Document

 
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549 

FORM 10-Q
 
ý                QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

 For the quarterly period ended March 31, 2018
OR 
o                   TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 

For the transition period from              to 
Commission File Number: 001-35039 

BankUnited, Inc.
(Exact name of registrant as specified in its charter) 
Delaware
 
27-0162450
(State or other jurisdiction
of incorporation or organization)
 
(I.R.S. Employer
Identification No.)
14817 Oak Lane, Miami Lakes, FL
 
33016
(Address of principal executive offices)
 
(Zip Code)
 Registrant’s telephone number, including area code: (305) 569-2000 
Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.  Yes  ý  No  o 
Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).  Yes  ý  No  o 
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. 
Large accelerated filer ý
 
Accelerated filer o
Non-accelerated filer o
 
Smaller reporting company o
 
 
Emerging growth company o
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act o
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).  Yes  o  No  ý 
Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of the latest practicable date. 
Class
 
May 4, 2018
Common Stock, $0.01 Par Value
 
106,069,384
 


Table of Contents

BANKUNITED, INC.
Form 10-Q
For the Quarter Ended March 31, 2018
TABLE OF CONTENTS

 
 
Page
 
 
 
 
 
 
 
PART I.
 
 
 
 
ITEM 1.
 
 
 
 
 
 
 
 
 
 
ITEM 2.
 
 
 
ITEM 3.
 
 
 
ITEM 4.
 
 
 
PART II.
 
 
 
 
ITEM 1.
 
 
 
ITEM 1A.
 
 
 
ITEM 6.
 
 
 
 
 
 


i


GLOSSARY OF DEFINED TERMS

The following acronyms and terms may be used throughout this Form 10-Q, including the consolidated financial statements and related notes.
ACI
 
Loans acquired with evidence of deterioration in credit quality since origination (Acquired Credit Impaired)
AFS
 
Available for sale
ALCO
 
Asset/Liability Committee
ALLL
 
Allowance for loan and lease losses
AOCI
 
Accumulated other comprehensive income
ARM
 
Adjustable rate mortgage
ASC
 
Accounting Standards Codification
ASU
 
Accounting Standards Update
ATM
 
Automated teller machine
BKU
 
BankUnited, Inc.
BankUnited
 
BankUnited, National Association
The Bank
 
BankUnited, National Association
Bridge
 
Bridge Funding Group, Inc.
CET1
 
Common Equity Tier 1 capital
CECL
 
Current expected credit loss
CFPB
 
Consumer Financial Protection Bureau
CME
 
Chicago Mercantile Exchange
CMOs
 
Collateralized mortgage obligations
Commercial Shared-Loss Agreement
 
A commercial and other loans shared-loss agreement entered into with the FDIC in connection with the FSB Acquisition
Covered assets
 
Assets covered under the Loss Sharing Agreements
Covered loans
 
Loans covered under the Loss Sharing Agreements
EVE
 
Economic value of equity
FASB
 
Financial Accounting Standards Board
FDIA
 
Federal Deposit Insurance Act
FDIC
 
Federal Deposit Insurance Corporation
FHLB
 
Federal Home Loan Bank
FICO
 
Fair Isaac Corporation (credit score)
FNMA
 
Federal National Mortgage Association
FRB
 
Federal Reserve Bank
FSB Acquisition
 
Acquisition of substantially all of the assets and assumption of all of the non-brokered deposits and substantially all of the other liabilities of BankUnited, FSB from the FDIC on May 21, 2009
GAAP
 
U.S. generally accepted accounting principles
GDP
 
Gross Domestic Product
HTM
 
Held to maturity
IPO
 
Initial public offering
ISDA
 
International Swaps and Derivatives Association
LIBOR
 
London InterBank Offered Rate
Loss Sharing Agreements
 
Two loss sharing agreements entered into with the FDIC in connection with the FSB Acquisition
LTV
 
Loan-to-value
MBS
 
Mortgage-backed securities

ii


MSA
 
Metropolitan Statistical Area
MSRs
 
Mortgage servicing rights
Non-ACI
 
Loans acquired without evidence of deterioration in credit quality since origination
Non-Covered Loans
 
Loans other than those covered under the Loss Sharing Agreements
NYTLC
 
New York City Taxi and Limousine Commission
OCC
 
Office of the Comptroller of the Currency
OFAC
 
U.S. Department of the Treasury's Office of Foreign Assets Control
OREO
 
Other real estate owned
OTTI
 
Other-than-temporary impairment
PSU
 
Performance Share Unit
Pinnacle
 
Pinnacle Public Finance, Inc.
RSU
 
Restricted Share Unit
SBA
 
U.S. Small Business Administration
SBF
 
Small Business Finance Unit
SEC
 
Securities and Exchange Commission
Single Family Shared-Loss Agreement
 
A single-family loan shared-loss agreement entered into with the FDIC in connection with the FSB Acquisition
TCJA
 
The Tax Cuts and Jobs Act of 2017
TDR
 
Troubled-debt restructuring
UPB
 
Unpaid principal balance
2014 Plan
 
2014 Omnibus Equity Incentive Plan


iii

Table of Contents

PART I - FINANCIAL INFORMATION
Item 1. Financial Statements and Supplementary Data
BANKUNITED, INC. AND SUBSIDIARIES
CONSOLIDATED BALANCE SHEETS - UNAUDITED
(In thousands, except share and per share data)
 
March 31,
2018
 
December 31,
2017
ASSETS
 

 
 

Cash and due from banks:
 

 
 

Non-interest bearing
$
22,908

 
$
35,246

Interest bearing
176,842

 
159,336

Cash and cash equivalents
199,750

 
194,582

Investment securities (including securities recorded at fair value of $6,745,501 and $6,680,832)
6,755,501

 
6,690,832

Non-marketable equity securities
250,052

 
265,989

Loans held for sale
46,494

 
34,097

Loans (including covered loans of $479,164 and $503,118)
21,466,821

 
21,416,504

Allowance for loan and lease losses
(137,476
)
 
(144,795
)
Loans, net
21,329,345

 
21,271,709

FDIC indemnification asset
249,637

 
295,635

Bank owned life insurance
260,852

 
252,462

Equipment under operating lease, net
591,339

 
599,502

Goodwill and other intangible assets
77,751

 
77,796

Other assets
671,815

 
664,382

Total assets
$
30,432,536

 
$
30,346,986

 
 
 
 
LIABILITIES AND STOCKHOLDERS’ EQUITY
 

 
 

Liabilities:
 

 
 

Demand deposits:
 

 
 

Non-interest bearing
$
3,431,624

 
$
3,162,032

Interest bearing
1,553,886

 
1,666,581

Savings and money market
10,937,578

 
10,715,024

Time
6,316,560

 
6,334,842

Total deposits
22,239,648

 
21,878,479

Federal Home Loan Bank advances
4,396,000

 
4,771,000

Notes and other borrowings
402,816

 
402,830

Other liabilities
361,400

 
268,615

Total liabilities
27,399,864

 
27,320,924

 
 
 
 
Commitments and contingencies


 


 
 
 
 
Stockholders' equity:
 

 
 

Common stock, par value $0.01 per share, 400,000,000 shares authorized; 106,160,751 and 106,848,185 shares issued and outstanding
1,061

 
1,068

Paid-in capital
1,450,107

 
1,498,227

Retained earnings
1,525,174

 
1,471,781

Accumulated other comprehensive income
56,330

 
54,986

Total stockholders' equity
3,032,672

 
3,026,062

Total liabilities and stockholders' equity
$
30,432,536

 
$
30,346,986

 

The accompanying notes are an integral part of these consolidated financial statements.
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Table of Contents

BANKUNITED, INC. AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF INCOME - UNAUDITED
(In thousands, except per share data)
 
Three Months Ended March 31,
 
2018
 
2017
Interest income:
 

 
 

Loans
$
274,000

 
$
236,362

Investment securities
49,985

 
43,719

Other
3,791

 
3,457

Total interest income
327,776

 
283,538

Interest expense:
 
 
 
Deposits
56,361

 
34,728

Borrowings
23,606

 
18,217

Total interest expense
79,967

 
52,945

Net interest income before provision for loan losses
247,809

 
230,593

Provision for loan losses (including $273 and $779 for covered loans)
3,147

 
12,100

Net interest income after provision for loan losses
244,662

 
218,493

Non-interest income:
 
 
 
Income from resolution of covered assets, net
3,317

 
7,305

Net loss on FDIC indemnification
(3,615
)
 
(6,748
)
Deposit service charges and fees
3,487

 
3,203

Gain on sale of loans, net (including $1,703 and $1,882 related to covered loans)
3,501

 
4,558

Gain on investment securities, net
364

 
1,636

Lease financing
14,102

 
13,639

Other non-interest income
6,830

 
4,551

Total non-interest income
27,986

 
28,144

Non-interest expense:
 
 
 
Employee compensation and benefits
67,036

 
59,671

Occupancy and equipment
18,832

 
18,609

Amortization of FDIC indemnification asset
40,347

 
44,463

Deposit insurance expense
4,812

 
5,475

Professional fees
2,875

 
5,040

Telecommunications and data processing
3,685

 
3,284

Depreciation of equipment under operating lease
9,316

 
8,017

Other non-interest expense
14,914

 
11,998

Total non-interest expense
161,817

 
156,557

Income before income taxes
110,831

 
90,080

Provision for income taxes
25,596

 
27,787

Net income
$
85,235

 
$
62,293

Earnings per common share, basic
$
0.78

 
$
0.57

Earnings per common share, diluted
$
0.77

 
$
0.57

Cash dividends declared per common share
$
0.21

 
$
0.21


The accompanying notes are an integral part of these consolidated financial statements.
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Table of Contents

BANKUNITED, INC. AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - UNAUDITED
(In thousands)
 
Three Months Ended March 31,
 
2018
 
2017
 
 
 
 
Net income
$
85,235

 
$
62,293

Other comprehensive income (loss), net of tax:
 
 
 

Unrealized gains on investment securities available for sale:
 
 
 

Net unrealized holding gain (loss) arising during the period
(27,324
)
 
16,177

Reclassification adjustment for net securities gains realized in income
(717
)
 
(990
)
Net change in unrealized gains on securities available for sale
(28,041
)
 
15,187

Unrealized gains on derivative instruments:
 
 
 

Net unrealized holding gain arising during the period
19,793

 
431

Reclassification adjustment for net losses realized in income
690

 
1,749

Net change in unrealized gains on derivative instruments
20,483

 
2,180

Other comprehensive income (loss)
(7,558
)
 
17,367

Comprehensive income
$
77,677

 
$
79,660



The accompanying notes are an integral part of these consolidated financial statements.
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Table of Contents

BANKUNITED, INC. AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF CASH FLOWS - UNAUDITED
(In thousands)
 
Three Months Ended March 31,
 
2018
 
2017
Cash flows from operating activities:
 

 
 

Net income
$
85,235

 
$
62,293

Adjustments to reconcile net income to net cash provided by operating activities:
 
 
 
Amortization and accretion, net
(34,053
)
 
(23,920
)
Provision for loan losses
3,147

 
12,100

Income from resolution of covered assets, net
(3,317
)
 
(7,305
)
Net loss on FDIC indemnification
3,615

 
6,748

Gain on sale of loans, net
(3,501
)
 
(4,558
)
Gain on investment securities, net
(364
)
 
(1,636
)
Equity based compensation
6,783

 
4,997

Depreciation and amortization
15,632

 
14,594

Deferred income taxes
13,320

 
(1,990
)
Proceeds from sale of loans held for sale
25,407

 
43,202

Loans originated for sale, net of repayments
(36,730
)
 
(32,066
)
Other:
 
 
 
Decrease in other assets
5,246

 
14,720

Increase (decrease) in other liabilities
57,674

 
(51,771
)
Net cash provided by operating activities
138,094

 
35,408

 
 
 
 
Cash flows from investing activities:
 

 
 

Purchase of investment securities
(637,171
)
 
(659,974
)
Proceeds from repayments and calls of investment securities
272,360

 
139,192

Proceeds from sale of investment securities
266,930

 
261,555

Purchase of non-marketable equity securities
(64,813
)
 
(38,675
)
Proceeds from redemption of non-marketable equity securities
80,750

 
58,438

Purchases of loans
(332,966
)
 
(339,909
)
Loan originations, repayments and resolutions, net
289,823

 
290,728

Proceeds from sale of loans, net
62,185

 
45,414

Proceeds from sale of equipment under operating lease, net
13,405

 

Acquisition of equipment under operating lease, net
(14,035
)
 
(27,337
)
Other investing activities
(12,937
)
 
(4,624
)
Net cash used in investing activities
(76,469
)
 
(275,192
)
 
 
 
(Continued)


The accompanying notes are an integral part of these consolidated financial statements.
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Table of Contents

BANKUNITED, INC. AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF CASH FLOWS (Continued)
(In thousands)
 
Three Months Ended March 31,
 
2018
 
2017
Cash flows from financing activities:
 

 
 

Net increase in deposits
361,169

 
433,474

Additions to Federal Home Loan Bank advances
1,201,000

 
1,225,000

Repayments of Federal Home Loan Bank advances
(1,576,000
)
 
(1,690,000
)
Dividends paid
(23,055
)
 
(22,510
)
Exercise of stock options
1,092

 
61,519

Repurchase of common stock
(48,632
)
 

Other financing activities
27,969

 
23,405

Net cash provided by (used in) financing activities
(56,457
)
 
30,888

Net increase (decrease) in cash and cash equivalents
5,168

 
(208,896
)
Cash and cash equivalents, beginning of period
194,582

 
448,313

Cash and cash equivalents, end of period
$
199,750

 
$
239,417

 
 
 
 
Supplemental disclosure of cash flow information:
 
 
 
Interest paid
$
73,906

 
$
46,152

Income taxes paid, net
$
18,092

 
$
29,598

 
 
 
 
Supplemental schedule of non-cash investing and financing activities:
 
 
 
Dividends declared, not paid
$
22,940

 
$
23,040

Unsettled purchases of investment securities
$
47,760

 
$
55,500


The accompanying notes are an integral part of these consolidated financial statements.
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Table of Contents

BANKUNITED, INC. AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - UNAUDITED
(In thousands, except share data)
 
Common
Shares
Outstanding
 
Common
Stock
 
Paid-in
Capital
 
Retained
Earnings
 
Accumulated
Other
Comprehensive
Income
 
Total
Stockholders’
Equity
Balance at December 31, 2017
106,848,185

 
$
1,068

 
$
1,498,227

 
$
1,471,781

 
$
54,986

 
$
3,026,062

Cumulative effect of adoption of new accounting standards

 

 

 
(8,902
)
 
8,902

 

Comprehensive income

 

 

 
85,235

 
(7,558
)
 
77,677

Dividends

 

 

 
(22,940
)
 

 
(22,940
)
Equity based compensation
640,040

 
6

 
5,378

 

 

 
5,384

Forfeiture of unvested shares and shares surrendered for tax withholding obligations
(167,534
)
 
(2
)
 
(5,969
)
 

 

 
(5,971
)
Exercise of stock options
40,500

 
1

 
1,091

 

 

 
1,092

Repurchase of common stock
(1,200,440
)
 
(12
)
 
(48,620
)
 

 

 
(48,632
)
Balance at March 31, 2018
106,160,751

 
$
1,061

 
$
1,450,107

 
$
1,525,174

 
$
56,330

 
$
3,032,672

 
 
 
 
 
 
 
 
 
 
 
 
Balance at December 31, 2016
104,166,945

 
$
1,042

 
$
1,426,459

 
$
949,681

 
$
41,247

 
$
2,418,429

Comprehensive income

 

 

 
62,293

 
17,367

 
79,660

Dividends

 

 

 
(23,040
)
 

 
(23,040
)
Equity based compensation
576,999

 
6

 
3,042

 

 

 
3,048

Forfeiture of unvested shares and shares surrendered for tax withholding obligations
(208,855
)
 
(3
)
 
(6,599
)
 

 

 
(6,602
)
Exercise of stock options
2,304,108

 
23

 
61,496

 

 

 
61,519

Balance at March 31, 2017
106,839,197

 
$
1,068

 
$
1,484,398

 
$
988,934

 
$
58,614

 
$
2,533,014

 


The accompanying notes are an integral part of these consolidated financial statements.
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Table of Contents
BANKUNITED, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED
March 31, 2018



Note 1    Basis of Presentation and Summary of Significant Accounting Policies
BankUnited, Inc. is a national bank holding company with one wholly-owned subsidiary, BankUnited, collectively, the Company. BankUnited, a national banking association headquartered in Miami Lakes, Florida, provides a full range of banking and related services to individual and corporate customers through 87 banking centers located in 15 Florida counties and 6 banking centers located in the New York metropolitan area at March 31, 2018. The Bank also offers certain commercial lending and deposit products through national platforms.
In connection with the FSB Acquisition, BankUnited entered into two loss sharing agreements with the FDIC. The Loss Sharing Agreements consist of the Single Family Shared-Loss Agreement and the Commercial Shared-Loss Agreement. Assets covered by the Loss Sharing Agreements are referred to as covered assets or, in certain cases, covered loans. The Single Family Shared-Loss Agreement provides for FDIC loss sharing and the Bank’s reimbursement for recoveries to the FDIC through May 21, 2019 for single family residential loans and OREO. Loss sharing under the Commercial Shared-Loss Agreement terminated on May 21, 2014. The Commercial Shared-Loss Agreement continued to provide for the Bank’s reimbursement of recoveries to the FDIC through June 30, 2017 for all other covered assets, including commercial real estate, commercial and industrial and consumer loans, certain investment securities and commercial OREO. Pursuant to the terms of the Loss Sharing Agreements, the covered assets are subject to a stated loss threshold whereby the FDIC will reimburse BankUnited for 80% of losses related to the covered assets up to $4.0 billion and 95% of losses in excess of this amount, beginning with the first dollar of loss incurred.
The accompanying unaudited consolidated financial statements have been prepared in accordance with generally accepted accounting principles for interim financial information and the instructions to Form 10-Q and Article 10 of Regulation S-X of the SEC. Accordingly, these do not include all of the information and footnotes required for a fair presentation of financial position, results of operations and cash flows in conformity with GAAP and should be read in conjunction with the Company’s consolidated financial statements and the notes thereto appearing in BKU’s Annual Report on Form 10-K for the year ended December 31, 2017 filed with the SEC. In the opinion of management, all adjustments, consisting of normal recurring adjustments, considered necessary for a fair presentation have been included. Operating results for the three months ended March 31, 2018 are not necessarily indicative of the results that may be expected in future periods. 
Certain amounts presented for prior periods have been reclassified to conform to the current period presentation.
Accounting Estimates
In preparing the consolidated financial statements, management is required to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues, and expenses and disclosures of contingent assets and liabilities. Actual results could differ significantly from these estimates.
Significant estimates include the ALLL, the amount and timing of expected cash flows from covered assets and the FDIC indemnification asset, and the fair values of investment securities and other financial instruments. Management has used information provided by third party valuation specialists to assist in the determination of the fair values of investment securities.
New Accounting Pronouncements Adopted
ASU No. 2014-09, Revenue from Contracts with Customers (Topic 606), superseded the revenue recognition requirements in Topic 605, Revenue Recognition, and most industry-specific revenue recognition guidance throughout the Accounting Standards Codification. The amendments in this update affect any entity that either enters into contracts with customers to transfer goods or services or enters into contracts for the transfer of non-financial assets unless those contracts are within the scope of other standards. The amendments establish a core principle requiring the recognition of revenue to depict the transfer of goods or services to customers in an amount reflecting the consideration to which the entity expects to be entitled in exchange for such goods or services and require expanded disclosure about revenue from contracts with customers that are within the scope of the standard. Revenue from financial instruments and lease contracts are generally outside the scope of Topic 606 as are revenues that are in the scope of ASC 860 "Transfers and Servicing", ASC 460 "Guarantees" and ASC 815 "Derivatives and Hedging". The Company adopted this standard in the first quarter of 2018 with respect to contracts not completed on the date of adoption using the modified retrospective transition method. Substantially all of the Company's revenues are generated from activities outside the scope of Topic 606; existing revenue recognition policies for contracts with

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Table of Contents
BANKUNITED, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED
March 31, 2018


customers that are within the scope of the standard are consistent with the principles in Topic 606. Therefore, there was no impact at adoption to the Company's consolidated financial position, results of operations, or cash flows.
ASU No. 2016-01, Financial Instruments - Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities. The amendments in the ASU address certain aspects of recognition, measurement, presentation and disclosure of certain financial instruments. The main provisions of this ASU that are applicable to the Company are to 1) eliminate the available for sale classification for equity securities and require investments in equity securities (except those accounted for under the equity method of accounting or those that result in consolidation of the investee) to be measured at fair value with changes in fair value recognized in net income, provided that equity investments that do not have readily determinable fair values may be re-measured at fair value upon occurrence of an observable price change or recognition of impairment, 2) eliminate the requirement to disclose the method(s) and significant assumptions used to estimate the fair value that is required to be disclosed for financial instruments measured at amortized cost on the balance sheet, and 3) require public business entities to use the exit price notion when measuring the fair value of financial instruments for disclosure purposes. The amendments also clarify that an entity should evaluate the need for a valuation allowance on a deferred tax asset related to available for sale securities in combination with the entity's other deferred tax assets, which is consistent with the Company's current practice. The Company adopted this ASU in the first quarter of 2018 using the modified retrospective transition method. The cumulative-effect adjustment to reclassify unrealized gains on equity securities from AOCI to retained earnings totaled $2.2 million, net of tax, at adoption. Unrealized losses on equity securities recognized in earnings totaled $0.6 million for the three months ended March 31, 2018.
ASU No. 2016-15, Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments. This amendment provided guidance on eight specific cash flow classification issues where there had been diversity in practice. The provisions of this ASU that are expected to be applicable to the Company include requirements to: (1) classify cash payments for debt prepayment or extinguishment costs to be classified as cash outflows for financing activities, (2) classify proceeds from settlement of insurance claims on the basis of the nature of the loss and (3) require cash payments from settlement of bank-owned life insurance policies to be classified as cash flows from investing activities. The Company adopted this ASU for the first quarter of 2018; the provisions of the ASU are generally consistent with the Company's practice, therefore, adoption did not have an impact on the Company's consolidated cash flows.
ASU No. 2018-02, Income Statement-Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income. The amendments in this ASU allow a reclassification from AOCI to retained earnings of stranded tax effects in AOCI resulting from enactment of the TCJA that reduced the statutory federal tax rate from 35 percent to 21 percent. The Company’s existing accounting policy is to release stranded tax effects only when the entire portfolio of the type of item that created them is liquidated. This ASU was early adopted effective January 1, 2018 and a cumulative-effect adjustment was recorded to reclassify stranded tax effects totaling $11.1 million from AOCI to retained earnings.
Recent Accounting Pronouncements Not Yet Adopted
In February 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842). The amendments in this ASU require a lessee to recognize in the statement of financial position a liability to make lease payments and a right-of-use asset representing its right to use the underlying asset for leases with terms longer than one year. Accounting applied by lessors is largely unchanged by this ASU. The amendments in this ASU are effective for the Company for interim and annual periods in fiscal years beginning after December 15, 2018. Early adoption is permitted; however, the Company does not intend to early adopt this ASU. Lessees and lessors are required to apply the provisions of the ASU at the beginning of the earliest period presented using a modified retrospective approach. Management is in the process of finalizing its evaluation of the impact of adoption of this ASU on its consolidated financial statements, processes and controls. The Company has acquired and implemented software to facilitate calculation and reporting of the lease liability and right-of-use asset. Certain accounting policy decisions have been made including use of the incremental borrowing rate to determine the discount rate and assumptions around inclusion of renewals in lease terms. The most significant impact of adoption is expected to be the recognition, as lessee, of new right-of-use assets and lease liabilities on the consolidated balance sheet for real estate leases currently classified as operating leases. At its November 29, 2017 meeting, the FASB proposed allowing entities the option of applying the provisions of the ASU at the effective date without adjusting the comparative periods presented. The Company is monitoring these and other proposed modifications to the requirements of this ASU.

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BANKUNITED, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED
March 31, 2018


In June 2016, the FASB issued ASU No. 2016-13, Financial Instruments - Credit Losses (Topic 326); Measurement of Credit Losses on Financial Instruments. The ASU introduces new guidance which makes substantive changes to the accounting for credit losses. The ASU introduces the CECL model which applies to financial assets subject to credit losses and measured at amortized cost, as well as certain off-balance sheet credit exposures. This includes loans, loan commitments, standby letters of credit, net investments in leases recognized by a lessor and HTM debt securities. The CECL model requires an entity to estimate credit losses expected over the life of an exposure, considering information about historical events, current conditions and reasonable and supportable forecasts, and is generally expected to result in earlier recognition of credit losses. The ASU also modifies certain provisions of the current OTTI model for AFS debt securities. Credit losses on AFS debt securities will be limited to the difference between the security's amortized cost basis and its fair value, and will be recognized through an allowance for credit losses rather than as a direct reduction in amortized cost basis. The ASU also provides for a simplified accounting model for purchased financial assets with more than insignificant credit deterioration since their origination. The ASU requires expanded disclosures including, but not limited to, (i) information about the methods and assumptions used to estimate expected credit losses, including changes in the factors that influenced management's estimate and the reasons for those changes, (ii) for financing receivables and net investment in leases measured at amortized cost, further disaggregation of information about the credit quality of those assets and (iii) a rollforward of the allowance for credit losses for AFS and HTM securities. The amendments in this ASU are effective for the Company for interim and annual periods in fiscal years beginning after December 15, 2019. Early adoption is permitted; however, the Company does not intend to early adopt this ASU. Management is in the process of evaluating the impact of adoption of this ASU on its consolidated financial statements, processes and controls and is not currently able to reasonably estimate the impact of adoption on the Company's consolidated financial position, results of operations or cash flows; however, adoption is likely to lead to significant changes in accounting policies related to, and the methods employed in estimating, the ALLL. It is possible that the impact will be material to the Company's consolidated financial position and results of operations. To date, the Company has completed a gap analysis, adopted a detailed implementation plan, established a formal governance structure for the project, selected and implemented credit loss models for key portfolio segments, chosen loss estimation methodologies for key portfolio segments, and selected a software solution to serve as its CECL platform.
Revenue From Contracts with Customers
Revenue from contracts with customers within the scope of Topic 606 "Revenue from Contracts with Customers", is recognized in an amount that reflects the consideration the Company expects to be entitled to receive in exchange for those goods or services as the related performance obligations are satisfied. The majority of our revenues, including revenues from loans, leases, investment securities, derivative instruments and letters of credit and from transfers and servicing of financial assets, are excluded from the scope of Topic 606. Deposit service charges and fees is the most significant category of revenue within the scope of the standard. These service charges and fees consist primarily of monthly maintenance fees and other transaction based fees. Revenue is recognized when our performance obligations are complete, generally monthly for account maintenance fees or when a transaction, such as a wire transfer, is completed. Payment is typically received at the time the performance obligation is satisfied. The aggregate amount of revenue that is within the scope of Topic 606 from sources other than deposit service charges and fees is not material.
Investment Securities
Investment securities include debt securities and marketable equity securities. Debt securities that the Company has the positive intent and ability to hold to maturity are classified as held to maturity and reported at amortized cost. Debt securities that the Company may not have the intent to hold to maturity are classified as available for sale at the time of acquisition and carried at fair value with unrealized gains and losses, net of tax, excluded from earnings and reported in AOCI. Marketable equity securities with readily determinable fair values are reported at fair value with unrealized gains and losses included in earnings. Equity securities that do not have readily determinable fair values are reported at cost and re-measured at fair value upon occurrence of an observable price change or recognition of impairment.

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BANKUNITED, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED
March 31, 2018


Note 2    Earnings Per Common Share
The computation of basic and diluted earnings per common share is presented below for the periods indicated (in thousands, except share and per share data):
 
Three Months Ended March 31,
c
2018

2017
Basic earnings per common share:
 

 
 
Numerator:
 

 
 
Net income
$
85,235

 
$
62,293

Distributed and undistributed earnings allocated to participating securities
(3,216
)
 
(2,323
)
Income allocated to common stockholders for basic earnings per common share
$
82,019

 
$
59,970

Denominator:
 
 
 
Weighted average common shares outstanding
106,525,883

 
105,817,669

Less average unvested stock awards
(1,108,434
)
 
(1,060,912
)
Weighted average shares for basic earnings per common share
105,417,449

 
104,756,757

Basic earnings per common share
$
0.78

 
$
0.57

Diluted earnings per common share:
 
 
 
Numerator:
 
 
 
Income allocated to common stockholders for basic earnings per common share
$
82,019

 
$
59,970

Adjustment for earnings reallocated from participating securities
11

 
8

Income used in calculating diluted earnings per common share
$
82,030

 
$
59,978

Denominator:
 
 
 
Weighted average shares for basic earnings per common share
105,417,449

 
104,756,757

Dilutive effect of stock options and executive share-based awards
516,161

 
620,761

Weighted average shares for diluted earnings per common share
105,933,610

 
105,377,518

Diluted earnings per common share
$
0.77

 
$
0.57

Included in participating securities above are unvested shares and 3,023,314 dividend equivalent rights outstanding at March 31, 2018 that were issued in conjunction with the IPO of the Company's common stock. These dividend equivalent rights expire in 2021 and participate in dividends on a one-for-one basis.
The following potentially dilutive securities were outstanding at March 31, 2018 and 2017, but excluded from the calculation of diluted earnings per common share for the periods indicated because their inclusion would have been anti-dilutive: 
 
Three Months Ended March 31,
 
2018
 
2017
Unvested shares and share units
1,614,379

 
1,405,842

Stock options and warrants
1,850,279

 
1,850,279

 

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BANKUNITED, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED
March 31, 2018


Note 3    Investment Securities
Investment securities include investment securities available for sale, marketable equity securities, and investment securities held to maturity. The investment securities available for sale portfolio consisted of the following at the dates indicated (in thousands):
 
March 31, 2018
 
Amortized Cost
 
Gross Unrealized
 
Fair Value
 
 
Gains
 
Losses
 
Investment securities available for sale:
 
 
 
 
 
 
 
U.S. Treasury securities
$
24,993

 
$

 
$
(20
)
 
$
24,973

U.S. Government agency and sponsored enterprise residential MBS
2,043,011

 
23,499

 
(2,763
)
 
2,063,747

U.S. Government agency and sponsored enterprise commercial MBS
228,592

 
629

 
(1,429
)
 
227,792

Private label residential MBS and CMOs
716,690

 
12,513

 
(8,505
)
 
720,698

Private label commercial MBS
1,101,377

 
8,656

 
(2,947
)
 
1,107,086

Single family rental real estate-backed securities
469,927

 
2,093

 
(2,012
)
 
470,008

Collateralized loan obligations
820,453

 
3,176

 

 
823,629

Non-mortgage asset-backed securities
233,927

 
1,687

 
(1,340
)
 
234,274

State and municipal obligations
476,816

 
4,978

 
(3,710
)
 
478,084

SBA securities
511,459

 
11,661

 
(284
)
 
522,836

Other debt securities
4,122

 
5,382

 

 
9,504

 
$
6,631,367

 
$
74,274

 
$
(23,010
)
 
$
6,682,631

 
December 31, 2017
 
Amortized Cost
 
Gross Unrealized
 
Fair Value
 
 
Gains
 
Losses
 
Investment securities available for sale:
 
 
 
 
 
 
 
U.S. Treasury securities
$
24,981

 
$

 
$
(28
)
 
$
24,953

U.S. Government agency and sponsored enterprise residential MBS
2,043,373

 
16,094

 
(1,440
)
 
2,058,027

U.S. Government agency and sponsored enterprise commercial MBS
233,522

 
1,330

 
(344
)
 
234,508

Private label residential MBS and CMOs
613,732

 
16,473

 
(1,958
)
 
628,247

Private label commercial MBS
1,033,022

 
13,651

 
(258
)
 
1,046,415

Single family rental real estate-backed securities
559,741

 
3,823

 
(858
)
 
562,706

Collateralized loan obligations
720,429

 
3,252

 

 
723,681

Non-mortgage asset-backed securities
119,939

 
1,808

 

 
121,747

Marketable equity securities
59,912

 
3,631

 

 
63,543

State and municipal obligations
640,511

 
17,606

 
(914
)
 
657,203

SBA securities
534,534

 
16,208

 
(60
)
 
550,682

Other debt securities
4,090

 
5,030

 

 
9,120

 
$
6,587,786

 
$
98,906

 
$
(5,860
)
 
$
6,680,832

Marketable equity securities, recorded at fair value, totaled $62.9 million and $63.5 million, at March 31, 2018 and December 31, 2017, respectively. Investment securities held to maturity at March 31, 2018 and December 31, 2017 consisted of one State of Israel bond with a carrying value of $10 million maturing in 2024. Fair value approximated carrying value at March 31, 2018 and December 31, 2017.

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BANKUNITED, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED
March 31, 2018


At March 31, 2018, contractual maturities of investment securities, adjusted for anticipated prepayments of mortgage-backed and other pass-through securities, were as follows (in thousands):
 
Amortized Cost
 
Fair Value
Due in one year or less
$
733,520

 
$
741,171

Due after one year through five years
3,309,440

 
3,332,397

Due after five years through ten years
2,156,579

 
2,171,139

Due after ten years
431,828

 
437,924

Marketable equity securities with no stated maturity
62,870

 
62,870

 
$
6,694,237

 
$
6,745,501

Based on the Company’s assumptions, the estimated weighted average life of the investment portfolio as of March 31, 2018 was 4.8 years. The effective duration of the investment portfolio as of March 31, 2018 was 1.5 years. The model results are based on assumptions that may differ from actual results. 
The carrying value of securities pledged as collateral for FHLB advances, public deposits, interest rate swaps and to secure borrowing capacity at the FRB totaled $2.5 billion and $2.6 billion at March 31, 2018 and December 31, 2017, respectively.
The following table provides information about gains and losses on investment securities for the periods indicated (in thousands):
 
Three Months Ended March 31,
 
2018
 
2017
Proceeds from sale of investment securities available for sale
$
266,930

 
$
261,555

 
 
 
 
Gross realized gains:
 
 
 
Investment securities available for sale
3,488

 
1,636

Gross realized losses:
 
 
 
Investment securities available for sale
(2,511
)
 

Net realized gain
977

 
1,636

 
 
 
 
Net unrealized losses on marketable equity securities recognized in earnings
(613
)
 

 
 
 
 
Gain on investment securities, net
$
364

 
$
1,636



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BANKUNITED, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED
March 31, 2018


The following tables present the aggregate fair value and the aggregate amount by which amortized cost exceeded fair value for investment securities available for sale in unrealized loss positions, aggregated by investment category and length of time that individual securities had been in continuous unrealized loss positions at the dates indicated (in thousands):
 
March 31, 2018
 
Less than 12 Months
 
12 Months or Greater
 
Total
 
Fair Value
 
Unrealized Losses
 
Fair Value
 
Unrealized Losses
 
Fair Value
 
Unrealized Losses
U.S. Treasury securities
$
24,973

 
$
(20
)
 
$

 
$

 
$
24,973

 
$
(20
)
U.S. Government agency and sponsored enterprise residential MBS
167,526

 
(2,302
)
 
12,424

 
(461
)
 
179,950

 
(2,763
)
U.S. Government agency and sponsored enterprise commercial MBS
59,325

 
(1,429
)
 

 

 
59,325

 
(1,429
)
Private label residential MBS and CMOs
543,348

 
(8,325
)
 
4,458

 
(180
)
 
547,806

 
(8,505
)
Private label commercial MBS
214,182

 
(2,947
)
 

 

 
214,182

 
(2,947
)
Single family rental real estate-backed securities
130,009

 
(2,012
)
 

 

 
130,009

 
(2,012
)
Non-mortgage asset-backed securities
136,491

 
(1,340
)
 

 

 
136,491

 
(1,340
)
State and municipal obligations
243,458

 
(3,233
)
 
16,298

 
(477
)
 
259,756

 
(3,710
)
SBA securities
67,488

 
(244
)
 
14,382

 
(40
)
 
81,870

 
(284
)
 
$
1,586,800

 
$
(21,852
)
 
$
47,562

 
$
(1,158
)
 
$
1,634,362

 
$
(23,010
)
 
December 31, 2017
 
Less than 12 Months
 
12 Months or Greater
 
Total
 
Fair Value
 
Unrealized Losses
 
Fair Value
 
Unrealized Losses
 
Fair Value
 
Unrealized Losses
U.S. Treasury securities
$
24,953

 
$
(28
)
 
$

 
$

 
$
24,953

 
$
(28
)
U.S. Government agency and sponsored enterprise residential MBS
471,120

 
(1,141
)
 
13,028

 
(299
)
 
484,148

 
(1,440
)
U.S. Government agency and sponsored enterprise commercial MBS
26,265

 
(344
)
 

 

 
26,265

 
(344
)
Private label residential MBS and CMOs
330,068

 
(1,858
)
 
5,083

 
(100
)
 
335,151

 
(1,958
)
Private label commercial MBS
81,322

 
(258
)
 

 

 
81,322

 
(258
)
Single family rental real estate-backed securities
94,750

 
(858
)
 

 

 
94,750

 
(858
)
State and municipal obligations
30,715

 
(49
)
 
60,982

 
(865
)
 
91,697

 
(914
)
SBA securities
21,300

 
(10
)
 
15,427

 
(50
)
 
36,727

 
(60
)
 
$
1,080,493

 
$
(4,546
)
 
$
94,520

 
$
(1,314
)
 
$
1,175,013

 
$
(5,860
)
The Company monitors its investment securities available for sale for OTTI on an individual security basis. No securities were determined to be other-than-temporarily impaired during the three months ended March 31, 2018 and 2017. The Company does not intend to sell securities that are in significant unrealized loss positions at March 31, 2018 and it is not more likely than not that the Company will be required to sell these securities before recovery of the amortized cost basis, which may be at maturity. At March 31, 2018, 118 securities were in unrealized loss positions. The amount of impairment related to 24 of these

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BANKUNITED, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED
March 31, 2018


securities was considered insignificant, totaling approximately $309 thousand and no further analysis with respect to these securities was considered necessary. The basis for concluding that impairment of the remaining securities was not other-than-temporary is further described below:
U.S. Government agency and sponsored enterprise residential and commercial MBS
At March 31, 2018, twenty-five U.S. Government agency and sponsored enterprise residential MBS and six U.S. Government agency and sponsored enterprise commercial MBS were in unrealized loss positions. For twenty-nine fixed rate securities, the amount of impairment for each of the securities was 5% or less of amortized cost and was primarily attributable to an increase in medium and long-term market interest rates subsequent to the date of acquisition. For the remaining two variable rate securities, the amount of impairment was less than 3% of amortized cost. The timely payment of principal and interest on these securities is explicitly or implicitly guaranteed by the U.S. Government. Given the limited severity of impairment and the expectation of timely payment of principal and interest, the impairments were considered to be temporary.
Private label residential MBS and CMOs
At March 31, 2018, twenty-three private label residential MBS and CMOs were in unrealized loss positions, primarily as a result of an increase in medium and long-term market interest rates subsequent to acquisition. The amount of impairment of each of the individual securities was less than 5% of amortized cost. These securities were assessed for OTTI using credit and prepayment behavioral models that incorporate CUSIP level constant default rates, voluntary prepayment rates and loss severity and delinquency assumptions. The results of these assessments were not indicative of credit losses related to any of these securities as of March 31, 2018. Given the limited severity of impairment and the expectation of timely recovery of outstanding principal, the impairments were considered to be temporary.
Private label commercial MBS
At March 31, 2018, ten private label commercial MBS were in unrealized loss positions, primarily as a result of an increase in market interest rates. The amount of impairment of each of the individual securities was 3% or less of amortized cost. These securities were assessed for OTTI using credit and prepayment behavioral models incorporating assumptions consistent with the collateral characteristics of each security. The results of this analysis were not indicative of expected credit losses. Given the limited severity of impairment and the expectation of timely recovery of outstanding principal, the impairments were considered to be temporary.
Single family rental real estate-backed securities
At March 31, 2018, seven single family rental real estate-backed securities were in unrealized loss positions. The unrealized losses were primarily due to increases in market interest rates since the purchase of the securities. The amount of impairment of each of the individual securities was less than 3% of amortized cost. Management's analysis of the credit characteristics, including loan-to-value and debt service coverage ratios, and levels of subordination for each of the securities is not indicative of projected credit losses. Given the limited severity of impairment and the absence of projected credit losses, the impairments were considered to be temporary.
Non-mortgage asset-backed securities
At March 31, 2018, five non-mortgage asset-backed securities were in unrealized loss positions, due primarily to increases in market interest rates subsequent to the date of acquisition. The amount of impairment each of the individual securities was 2% or less of amortized cost. These securities were assessed for OTTI using credit and prepayment behavioral models incorporating assumptions consistent with the collateral characteristics of each security. The results of this analysis were not indicative of expected credit losses. Given the limited severity of impairment and the expectation of timely recovery of outstanding principal, the impairment were considered to be temporary.
State and municipal obligations
At March 31, 2018, fifteen state and municipal obligations were in unrealized loss positions. The amount of impairment of each of the individual securities was less than 3% of amortized cost. All of the securities are rated investment grade by nationally recognized statistical ratings organizations. Management's evaluation of these securities for OTTI also encompassed the review of credit scores and analysis provided by a third party firm specializing in the analysis and credit review of

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BANKUNITED, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED
March 31, 2018


municipal securities. Given the limited severity of impairment and absence of expected credit losses, the impairments were considered to be temporary.
SBA Securities
At March 31, 2018, three SBA securities were in unrealized loss positions. The amount of impairment of each of these securities was less than 1% of amortized cost. These securities were purchased at a premium and the impairment was attributable primarily to increased prepayment speeds. The timely payment of principal and interest on these securities is guaranteed by this U.S. Government agency. Given the limited severity of impairment and the expectation of timely payment of principal and interest, the impairments were considered to be temporary.
Note 4    Loans and Allowance for Loan and Lease Losses
The Company segregates its loan portfolio between covered and non-covered loans. Non-covered loans include loans originated since the FSB acquisition and commercial and consumer loans acquired in the FSB acquisition for which loss share coverage has terminated. Covered loans are further segregated between ACI and non-ACI loans.
Loans consisted of the following at the dates indicated (dollars in thousands):
 
March 31, 2018
 

 
Covered Loans
 
 
 
Percent of Total
 
Non-Covered Loans
 
ACI
 
Non-ACI
 
Total
 
Residential and other consumer:
 

 
 

 
 

 
 

 
 

1-4 single family residential
$
4,280,191

 
$
456,623

 
$
25,543

 
$
4,762,357

 
22.2
%
Home equity loans and lines of credit
1,674

 

 
331

 
2,005

 
%
Other consumer loans
19,796

 

 

 
19,796

 
0.1
%
 
4,301,661

 
456,623

 
25,874

 
4,784,158

 
22.3
%
Commercial:
 
 
 
 
 
 
 
 
 
Multi-family
3,105,788

 

 

 
3,105,788

 
14.5
%
Non-owner occupied commercial real estate
4,523,260

 

 

 
4,523,260

 
21.0
%
Construction and land
294,680

 

 

 
294,680

 
1.4
%
Owner occupied commercial real estate
2,007,443

 

 

 
2,007,443

 
9.4
%
Commercial and industrial
4,124,943

 

 

 
4,124,943

 
19.3
%
Commercial lending subsidiaries
2,581,769

 

 

 
2,581,769

 
12.1
%
 
16,637,883

 

 

 
16,637,883

 
77.7
%
Total loans
20,939,544

 
456,623

 
25,874

 
21,422,041

 
100.0
%
Premiums, discounts and deferred fees and costs, net
48,113

 

 
(3,333
)
 
44,780

 
 
Loans including premiums, discounts and deferred fees and costs
20,987,657

 
456,623

 
22,541

 
21,466,821

 
 
Allowance for loan and lease losses
(136,958
)
 

 
(518
)
 
(137,476
)
 
 
Loans, net
$
20,850,699

 
$
456,623

 
$
22,023

 
$
21,329,345

 
 
 

15

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BANKUNITED, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED
March 31, 2018


 
December 31, 2017
 

 
Covered Loans
 
 
 
Percent of Total
 
Non-Covered Loans
 
ACI
 
Non-ACI
 
Total
 
Residential and other consumer:
 

 
 

 
 

 
 

 
 

1-4 single family residential
$
4,116,814

 
$
479,068

 
$
26,837

 
$
4,622,719

 
21.6
%
Home equity loans and lines of credit
1,654

 

 
361

 
2,015

 
%
Other consumer loans
20,512

 

 

 
20,512

 
0.1
%
 
4,138,980

 
479,068

 
27,198

 
4,645,246

 
21.7
%
Commercial:
 
 
 
 
 
 
 
 
 
Multi-family
3,215,697

 

 

 
3,215,697

 
15.0
%
Non-owner occupied commercial real estate
4,485,276

 

 

 
4,485,276

 
21.0
%
Construction and land
310,999

 

 

 
310,999

 
1.5
%
Owner occupied commercial real estate
2,014,908

 

 

 
2,014,908

 
9.4
%
Commercial and industrial
4,145,785

 

 

 
4,145,785

 
19.4
%
Commercial lending subsidiaries
2,553,576

 

 

 
2,553,576

 
12.0
%
 
16,726,241

 

 

 
16,726,241

 
78.3
%
Total loans
20,865,221

 
479,068

 
27,198

 
21,371,487

 
100.0
%
Premiums, discounts and deferred fees and costs, net
48,165

 

 
(3,148
)
 
45,017

 
 
Loans including premiums, discounts and deferred fees and costs
20,913,386

 
479,068

 
24,050

 
21,416,504

 
 
Allowance for loan and lease losses
(144,537
)
 

 
(258
)
 
(144,795
)
 
 
Loans, net
$
20,768,849

 
$
479,068

 
$
23,792

 
$
21,271,709

 
 
Included in non-covered, 1-4 single family residential loans above are $36 million of government insured residential loans at March 31, 2018.
Included in non-covered loans above are $33 million and $34 million at March 31, 2018 and December 31, 2017, respectively, of ACI commercial loans acquired in the FSB Acquisition.
Through two subsidiaries, the Bank provides commercial and municipal equipment and franchise financing utilizing both loan and lease structures. At March 31, 2018 and December 31, 2017, the commercial lending subsidiaries portfolio included a net investment in direct financing leases of $740 million and $738 million, respectively.
During the three months ended March 31, 2018 and 2017, the Company purchased 1-4 single family residential loans totaling $333 million and $340 million, respectively. Purchases for the three months ended March 31, 2018 included $39.4 million in government insured residential loans.
At March 31, 2018, the Company had pledged real estate loans with UPB of approximately $10.4 billion and recorded investment of approximately $9.9 billion as security for FHLB advances.

16

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BANKUNITED, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED
March 31, 2018


At March 31, 2018 and December 31, 2017, the UPB of ACI loans was $1.0 billion and $1.1 billion, respectively. The accretable yield on ACI loans represents the amount by which undiscounted expected future cash flows exceed recorded investment. Changes in the accretable yield on ACI loans for the three months ended March 31, 2018, and the year ended December 31, 2017 were as follows (in thousands):
Balance at December 31, 2016
$
675,385

Reclassifications from non-accretable difference, net
81,501

Accretion
(301,827
)
Balance at December 31, 2017
455,059

Reclassifications from non-accretable difference, net
41,739

Accretion
(82,301
)
Balance at March 31, 2018
$
414,497

Covered loan sales
During the periods indicated, the Company sold covered residential loans to third parties on a non-recourse basis. The following table summarizes the impact of these transactions (in thousands): 
 
Three Months Ended March 31,
 
2018
 
2017
UPB of loans sold
$
61,043

 
$
54,594

 
 
 
 
Cash proceeds, net of transaction costs
$
54,855

 
$
45,414

Recorded investment in loans sold
53,152

 
43,532

Gain on sale of covered loans, net
$
1,703

 
$
1,882

 
 
 
 
Loss on FDIC indemnification, net
$
(1,358
)
 
$
(1,502
)
 

17

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BANKUNITED, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED
March 31, 2018


Allowance for loan and lease losses 
Activity in the ALLL is summarized as follows for the periods indicated (in thousands):
 
Three Months Ended March 31,
 
2018
 
2017
 
Residential and Other Consumer
 
Commercial
 
Total
 
Residential and Other Consumer
 
Commercial
 
Total
Beginning balance
$
10,720

 
$
134,075

 
$
144,795

 
$
11,503

 
$
141,450

 
$
152,953

Provision for (recovery of) loan losses:
 
 
 
 
 
 
 
 
 
 
 
Covered loans
273

 

 
273

 
812

 
(33
)
 
779

Non-covered loans
101

 
2,773

 
2,874

 
(508
)
 
11,829

 
11,321

Total provision
374

 
2,773

 
3,147

 
304

 
11,796

 
12,100

Charge-offs:
 
 
 
 
 
 
 
 
 
 
 
Covered loans
(15
)
 

 
(15
)
 
(55
)
 

 
(55
)
Non-covered loans
(267
)
 
(10,350
)
 
(10,617
)
 

 
(14,769
)
 
(14,769
)
Total charge-offs
(282
)
 
(10,350
)
 
(10,632
)
 
(55
)
 
(14,769
)
 
(14,824
)
Recoveries:
 
 
 
 
 
 
 
 
 
 
 
Covered loans
2

 

 
2

 
32

 
33

 
65

Non-covered loans
18

 
146

 
164

 
6

 
981

 
987

Total recoveries
20

 
146

 
166

 
38

 
1,014

 
1,052

Ending balance
$
10,832

 
$
126,644

 
$
137,476

 
$
11,790

 
$
139,491

 
$
151,281


18

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BANKUNITED, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED
March 31, 2018



The following table presents information about the balance of the ALLL and related loans at the dates indicated (in thousands):
 
March 31, 2018
 
December 31, 2017
 
Residential and Other Consumer
 
Commercial
 
Total
 
Residential and Other Consumer
 
Commercial
 
Total
Allowance for loan and lease losses:
 
 
 
 
 
 
 

 
 

 
 

Ending balance
$
10,832

 
$
126,644

 
$
137,476

 
$
10,720

 
$
134,075

 
$
144,795

Covered loans:
 
 
 
 
 
 
 
 
 
 
 
Ending balance
$
518

 
$

 
$
518

 
$
258

 
$

 
$
258

Ending balance: non-ACI loans individually evaluated for impairment
$
283

 
$

 
$
283

 
$
118

 
$

 
$
118

Ending balance: non-ACI loans collectively evaluated for impairment
$
235

 
$

 
$
235

 
$
140

 
$

 
$
140

Non-covered loans:
 
 
 
 
 
 
 
 
 
 
 
Ending balance
$
10,314

 
$
126,644

 
$
136,958

 
$
10,462

 
$
134,075

 
$
144,537

Ending balance: loans individually evaluated for impairment
$
138

 
$
14,229

 
$
14,367

 
$
63

 
$
18,776

 
$
18,839

Ending balance: loans collectively evaluated for impairment
$
10,176

 
$
112,415

 
$
122,591

 
$
10,399

 
$
115,299

 
$
125,698

Loans:
 
 
 
 
0

 
 
 
 
 
0

Covered loans:
 
 
 
 
 
 
 
 
 
 
 
Ending balance
$
479,164

 
$

 
$
479,164

 
$
503,118

 
$

 
$
503,118

Ending balance: non-ACI loans individually evaluated for impairment
$
2,049

 
$

 
$
2,049

 
$
2,221

 
$

 
$
2,221

Ending balance: non-ACI loans collectively evaluated for impairment
$
20,492

 
$

 
$
20,492

 
$
21,829

 
$

 
$
21,829

Ending balance: ACI loans
$
456,623

 
$

 
$
456,623

 
$
479,068

 
$

 
$
479,068

Non-covered loans:
 
 
 
 
 
 
 
 
 
 


Ending balance
$
4,360,346

 
$
16,627,311

 
$
20,987,657

 
$
4,196,080

 
$
16,717,306

 
$
20,913,386

Ending balance: loans, other than ACI loans, individually evaluated for impairment
$
3,688

 
$
175,854

 
$
179,542

 
$
1,234

 
$
173,706

 
$
174,940

Ending balance: loans, other than ACI loans, collectively evaluated for impairment
$
4,356,658

 
$
16,418,597

 
$
20,775,255

 
$
4,194,846

 
$
16,509,824

 
$
20,704,670

Ending balance: ACI loans
$

 
$
32,860

 
$
32,860

 
$

 
$
33,776

 
$
33,776

In the first quarter of 2018, the look back period used in the determination of historical net charge-off rates for the majority of commercial portfolio classes was extended by one quarter. For commercial and industrial loans, we began using the Company's historical net charge-off rate rather than a peer group net charge-off rate in estimating the quantitative portion of the ALLL. The offsetting impact of these changes resulted in a decrease in the ALLL of approximately $2.5 million as of March 31, 2018.
Credit quality information 
Loans other than ACI loans are considered impaired when, based on current information and events, it is probable that the Company will be unable to collect the scheduled payments of principal or interest when due, according to the contractual terms of the loan agreements. Commercial relationships on non-accrual status with committed balances greater than or equal to $1.0 million that have internal risk ratings of substandard or doubtful, as well as loans that have been modified in TDRs, are individually evaluated for impairment. Other commercial relationships on non-accrual status with committed balances under $1.0 million may also be evaluated individually for impairment, at management's discretion. The likelihood of loss related to loans assigned internal risk ratings of substandard or doubtful is considered elevated due to their identified credit weaknesses. Factors considered by management in evaluating impairment include payment status, financial condition of the borrower, collateral value, and other factors impacting the probability of collecting scheduled principal and interest payments when due.

19

Table of Contents
BANKUNITED, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED
March 31, 2018


ACI loans or pools are considered to be impaired when it is probable that the Company will be unable to collect all of the expected cash flows at acquisition (as adjusted for any additional cash flows expected to be collected arising from changes in estimates after acquisition), other than due to changes in interest rate indices and prepayment assumptions.
The table below presents information about loans or ACI pools identified as impaired at the dates indicated (in thousands):
 
March 31, 2018
 
December 31, 2017
 
Recorded
Investment
 
UPB
 
Related
Specific
Allowance
 
Recorded
Investment
 
UPB
 
Related
Specific
Allowance
Non-covered loans:
 

 
 

 
 

 
 

 
 

 
 

With no specific allowance recorded:
 

 
 

 
 

 
 

 
 

 
 

1-4 single family residential
$
1,843

 
$
1,812

 
$

 
$
120

 
$
122

 
$

Multi-family
6,738

 
6,770

 

 

 

 

Non-owner occupied commercial real estate
14,830

 
14,881

 

 
10,922

 
10,838

 

Construction and land
5,121

 
5,100

 

 
1,175

 
1,175

 

Owner occupied commercial real estate
17,767

 
17,761

 

 
22,002

 
22,025

 

Commercial and industrial 


 


 


 
 
 
 
 
 
Taxi medallion loans
24,634

 
24,633

 

 
13,560

 
13,559

 

Other commercial and industrial
292

 
291

 

 
345

 
374

 

With a specific allowance recorded:
 
 
 
 
 
 
 
 
 
 
 
1-4 single family residential
1,845

 
1,823

 
138

 
1,114

 
1,090

 
63

Multi-family
19,529

 
19,528

 
2,183

 
23,173

 
23,175

 
1,732

Owner occupied commercial real estate
354

 
361

 
354

 
3,075

 
3,079

 
2,960

Commercial and industrial


 


 


 
 
 
 
 
 
Taxi medallion loans
73,724

 
73,724

 
9,652

 
92,507

 
92,508

 
12,214

Other commercial and industrial
11,934

 
11,953

 
1,894

 
3,626

 
3,624

 
1,540

Commercial lending subsidiaries
931

 
929

 
146

 
3,321

 
3,296

 
330

Total:
 
 
 
 
 
 
 
 
 
 
 
Residential and other consumer
$
3,688

 
$
3,635

 
$
138

 
$
1,234

 
$
1,212

 
$
63

Commercial
175,854

 
175,931

 
14,229

 
173,706

 
173,653

 
18,776

 
$
179,542

 
$
179,566

 
$
14,367

 
$
174,940

 
$
174,865

 
$
18,839

Covered loans:
 
 
 
 
 
 
 
 
 
 
 
Non-ACI loans:
 
 
 
 
 
 
 
 
 
 
 
With no specific allowance recorded:
 
 
 
 
 
 
 
 
 
 
 
1-4 single family residential
$
102

 
$
117

 
$

 
$
1,061

 
$
1,203

 
$

With a specific allowance recorded:
 
 
 
 
 
 
 
 
 
 
 
1-4 single family residential
1,947

 
2,240

 
283

 
1,160

 
1,314

 
118

 
$
2,049

 
$
2,357

 
$
283

 
$
2,221

 
$
2,517

 
$
118

Interest income recognized on impaired loans and pools was insignificant for the three months ended March 31, 2018 and approximately $2.1 million for the three months ended March 31, 2017.

20

Table of Contents
BANKUNITED, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED
March 31, 2018


The following table presents the average recorded investment in impaired loans or ACI pools for the periods indicated (in thousands): 
 
Three Months Ended March 31,
 
2018
 
2017
 
Non-Covered Loans
 
Covered Non-ACI
Loans
 
Non-Covered Loans
 
Covered Non-ACI
Loans
Residential and other consumer:
 

 
 

 
 
 
 

1-4 single family residential
$
2,461

 
$
2,135

 
$
607

 
$
2,442

Home equity loans and lines of credit

 

 
2

 
9,763

 
2,461

 
$
2,135

 
609

 
$
12,205

Commercial:
 
 
 
 
 
 
 
Multi-family
24,720

 
 
 
1,366

 
 
Non-owner occupied commercial real estate
12,876

 
 
 
255

 
 
Construction and land
3,148

 
 
 
2,798

 
 
Owner occupied commercial real estate
21,599

 
 
 
17,247

 
 
Commercial and industrial
 
 
 
 


 
 
Taxi medallion loans
102,213

 
 
 
90,380

 
 
Other commercial and industrial
8,099

 
 
 
41,985

 
 
Commercial lending subsidiaries
2,126

 
 
 
31,585

 
 
 
174,781

 
 
 
185,616

 
 
 
$
177,242

 
 
 
$
186,225

 
 
In addition to the above, a pool of ACI home equity loans and lines of credit was impaired during the three months ended March 31, 2017. All of the loans from this pool were sold in the fourth quarter of 2017. The average balance of impaired ACI home equity loans and lines of credit for the three months ended March 31, 2017 was $2.6 million.

21

Table of Contents
BANKUNITED, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED
March 31, 2018


The following table presents the recorded investment in loans on non-accrual status as of dates indicated (in thousands):
 
March 31, 2018
 
December 31, 2017
 
Non-Covered Loans
 
Covered
Non-ACI Loans
 
Non-Covered Loans
 
Covered
Non-ACI Loans
Residential and other consumer:
 

 
 

 
 

 
 

1-4 single family residential
$
5,584

 
$
2,304

 
$
9,705

 
$
1,010

Home equity loans and lines of credit

 
331

 

 
331

Other consumer loans
548

 

 
821

 

 
6,132

 
$
2,635

 
10,526

 
$
1,341

Commercial:
 
 
 
 
 
 
 
Multi-family
26,267

 
 
 

 


Non-owner occupied commercial real estate
16,219

 
 
 
12,716

 


Construction and land
5,122

 
 
 
1,175

 


Owner occupied commercial real estate
21,211

 
 
 
29,020

 


Commercial and industrial 
 
 
 
 


 


Taxi medallion loans
98,358

 
 
 
106,067

 
 
Other commercial and industrial
14,614

 
 
 
7,049

 
 
Commercial lending subsidiaries
1,097

 
 
 
3,512

 


 
182,888

 
 
 
159,539

 


 
$
189,020

 
 
 
$
170,065

 


Non-covered loans contractually delinquent by 90 days or more and still accruing totaled $3.8 million and $1.9 million at March 31, 2018 and December 31, 2017, respectively. The amount of additional interest income that would have been recognized on non-accrual loans had they performed in accordance with their contractual terms was approximately $1.4 million for both the three months ended March 31, 2018 and 2017.
Management considers delinquency status to be the most meaningful indicator of the credit quality of 1-4 single family residential, home equity and consumer loans. Delinquency statistics are updated at least monthly. See "Aging of loans" below for more information on the delinquency status of loans. Original LTV and original FICO score are also important indicators of credit quality for the non-covered 1-4 single family residential portfolio. 
Internal risk ratings are considered the most meaningful indicator of credit quality for commercial loans. Internal risk ratings are a key factor in identifying loans that are individually evaluated for impairment and impact management’s estimates of loss factors used in determining the amount of the ALLL. Internal risk ratings are updated on a continuous basis. Generally, relationships with balances in excess of defined thresholds, ranging from $1 million to $3 million, are re-evaluated at least annually and more frequently if circumstances indicate that a change in risk rating may be warranted. Loans exhibiting potential credit weaknesses that deserve management’s close attention and that if left uncorrected may result in deterioration of the repayment capacity of the borrower are categorized as special mention. Loans with well-defined credit weaknesses, including payment defaults, declining collateral values, frequent overdrafts, operating losses, increasing balance sheet leverage, inadequate cash flow, project cost overruns, unreasonable construction delays, past due real estate taxes or exhausted interest reserves, are assigned an internal risk rating of substandard. A loan with a weakness so severe that collection in full is highly questionable or improbable, but because of certain reasonably specific pending factors has not been charged off, will be assigned an internal risk rating of doubtful. 

22

Table of Contents
BANKUNITED, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED
March 31, 2018


The following tables summarize key indicators of credit quality for the Company's loans at the dates indicated. Amounts include premiums, discounts and deferred fees and costs (in thousands): 
1-4 Single Family Residential credit exposure for non-covered loans, based on original LTV and FICO score: 
 
 
March 31, 2018
 
 
FICO
LTV
 
720 or less
 
721 - 740
 
741 - 760
 
761 or
greater
 
Total
60% or less
 
$
96,933

 
$
111,608

 
$
193,264

 
$
826,953

 
$
1,228,758

60% - 70%
 
108,282

 
107,327

 
156,452

 
599,118

 
971,179

70% - 80%
 
157,733

 
191,032

 
340,648

 
1,174,921

 
1,864,334

More than 80%
 
65,868

 
39,108

 
33,069

 
136,595

 
274,640

 
 
$
428,816

 
$
449,075

 
$
723,433

 
$
2,737,587

 
$
4,338,911

 
 
December 31, 2017
 
 
FICO
LTV
 
720 or less
 
721 - 740
 
741 - 760
 
761 or
greater
 
Total
60% or less
 
$
92,316

 
$
117,319

 
$
185,193

 
$
815,828

 
$
1,210,656

60% - 70%
 
101,158

 
103,506

 
147,592

 
590,693

 
942,949

70% - 80%
 
149,958

 
183,376

 
324,887

 
1,139,969

 
1,798,190

More than 80%
 
33,776

 
32,563

 
30,404

 
125,415

 
222,158

 
 
$
377,208

 
$
436,764

 
$
688,076

 
$
2,671,905

 
$
4,173,953


23

Table of Contents
BANKUNITED, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED
March 31, 2018


Commercial credit exposure, based on internal risk rating: 
 
March 31, 2018
 
 
 
 
 
 
 
 
 
Commercial and Industrial
 
Commercial Lending Subsidiaries
 
 
 
Multi-Family
 
Non-Owner Occupied Commercial Real Estate
 
Construction
and Land
 
Owner Occupied Commercial Real Estate
 
Taxi Medallion Loans
 
Other Commercial and Industrial
 
Pinnacle
 
Bridge
 
Total
Pass
$
3,008,167

 
$
4,427,205

 
$
283,496

 
$
1,944,911

 
$

 
$
3,926,499

 
$
1,516,820

 
$
991,907

 
$
16,099,005

Special mention
34,663

 
25,373

 

 
29,298

 

 
58,600

 

 
58,204

 
206,138

Substandard
66,031

 
60,067

 
10,665

 
30,826

 
98,358

 
29,673

 

 
23,592

 
319,212

Doubtful

 

 

 
164

 

 
2,792

 

 

 
2,956

 
$
3,108,861

 
$
4,512,645

 
$
294,161

 
$
2,005,199

 
$
98,358

 
$
4,017,564

 
$
1,516,820

 
$
1,073,703

 
$
16,627,311

 
December 31, 2017
 
 
 
 
 
 
 
 
 
Commercial and Industrial
 
Commercial Lending Subsidiaries
 
 
 
Multi-Family
 
Non-Owner Occupied Commercial Real Estate
 
Construction
and Land
 
Owner Occupied Commercial Real Estate
 
Taxi Medallion Loans
 
Other Commercial and Industrial
 
Pinnacle
 
Bridge
 
Total
Pass
$
3,124,819

 
$
4,360,827

 
$
305,043

 
$
1,954,464

 
$

 
$
3,965,241

 
$
1,524,622

 
$
954,376

 
$
16,189,392

Special mention
34,837

 
33,094

 

 
22,161

 

 
37,591

 

 
55,551

 
183,234

Substandard
59,297

 
80,880

 
5,441

 
33,145

 
104,682

 
27,010

 

 
27,950

 
338,405

Doubtful

 

 

 
2,972

 
1,385

 
1,918

 

 

 
6,275

 
$
3,218,953

 
$
4,474,801


$
310,484

 
$
2,012,742


$
106,067


$
4,031,760

 
$
1,524,622

 
$
1,037,877


$
16,717,306


24

Table of Contents
BANKUNITED, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED
March 31, 2018


Aging of loans: 
The following table presents an aging of loans at the dates indicated. Amounts include premiums, discounts and deferred fees and costs (in thousands):
 
March 31, 2018
 
December 31, 2017
 
Current
 
30 - 59
Days Past
Due
 
60 - 89
Days Past
Due
 
90 Days or
More Past
Due
 
Total
 
Current
 
30 - 59
Days Past
Due
 
60 - 89
Days Past
Due
 
90 Days or
More Past
Due
 
Total
Non-covered loans:
 

 
 

 
 

 
 

 
 

 
 

 
 

 
 

 
 

 
 

1-4 single family residential (1)
$
4,285,633

 
$
8,395

 
$
3,078

 
$
41,805

 
$
4,338,911

 
$
4,145,079

 
$
17,224

 
$
6,094

 
$
5,556

 
$
4,173,953

Home equity loans and lines of credit
1,637

 
37

 

 

 
1,674

 
1,633

 
21

 

 

 
1,654

Other consumer loans
19,527

 

 

 
234

 
19,761

 
19,958

 
15

 

 
500

 
20,473

Multi-family
3,108,861

 

 

 

 
3,108,861

 
3,218,953

 

 

 

 
3,218,953

Non-owner occupied commercial real estate
4,506,397

 
3,322

 
420

 
2,506

 
4,512,645

 
4,464,967

 
7,549

 

 
2,285

 
4,474,801

Construction and land
289,039

 
3,947

 

 
1,175

 
294,161

 
309,309

 

 

 
1,175

 
310,484

Owner occupied commercial real estate
1,989,091

 
2,325

 
272

 
13,511

 
2,005,199

 
2,004,397

 
1,292

 
499

 
6,554

 
2,012,742

Commercial and industrial
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 


Taxi medallion loans
78,673

 
10,023

 
2,630

 
7,032

 
98,358

 
88,394

 
6,048

 
3,333

 
8,292

 
106,067

Other commercial and industrial
4,014,199

 
2,376

 
3

 
986

 
4,017,564

 
4,025,784

 
4,291

 
291

 
1,394

 
4,031,760

Commercial lending subsidiaries
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 


Pinnacle
1,516,820

 

 

 

 
1,516,820

 
1,524,622

 

 

 

 
1,524,622

Bridge
1,073,703

 

 

 

 
1,073,703

 
1,037,025

 
852

 

 

 
1,037,877

 
$
20,883,580

 
$
30,425

 
$
6,403

 
$
67,249

 
$
20,987,657

 
$
20,840,121

 
$
37,292

 
$
10,217

 
$
25,756

 
$
20,913,386

Covered loans:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Non-ACI loans:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1-4 single family residential
$
19,815

 
$
141

 
$
240

 
$
2,014

 
$
22,210

 
$
21,076

 
$
1,603

 
$

 
$
1,010

 
$
23,689

Home equity loans and lines of credit

 

 

 
331

 
331

 
30

 

 

 
331

 
361

 
$
19,815

 
$
141

 
$
240

 
$
2,345

 
$
22,541

 
$
21,106

 
$
1,603

 
$

 
$
1,341

 
$
24,050

ACI loans:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1-4 single family residential
$
426,396

 
$
7,253

 
$
4,172

 
$
18,802

 
$
456,623

 
$
448,125

 
$
10,388

 
$
2,719

 
$
17,836

 
$
479,068

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
(1)
Includes $35.0 million of government insured residential loans past due 90 days or more at March 31, 2018.
1-4 single family residential ACI loans accounted for in pools on which discount continues to be accreted and government insured residential loans on accrual status that are contractually delinquent by more than 90 days totaled $54 million and $18 million at March 31, 2018 and December 31, 2017, respectively.
Foreclosure of residential real estate
The carrying amount of foreclosed residential real estate properties included in "Other assets" in the accompanying consolidated balance sheets, all of which were covered, totaled $6 million and $3 million at March 31, 2018 and December 31, 2017, respectively. The recorded investment in non government insured residential mortgage loans in the process of foreclosure totaled $12 million and $11 million at March 31, 2018 and December 31, 2017, respectively, substantially all of which were covered loans. The recorded investment in government insured residential loans in the process of foreclosure totaled $9 million at March 31, 2018.

25

Table of Contents
BANKUNITED, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED
March 31, 2018


Troubled debt restructurings
The following table summarizes loans that were modified in TDRs during the periods indicated, as well as loans modified during the twelve months preceding March 31, 2018 and 2017, that experienced payment defaults during the periods indicated (dollars in thousands):
 
Three Months Ended March 31,
 
2018
 
2017
 
Loans Modified in TDRs 
During the Period
 
TDRs Experiencing Payment
Defaults During the Period
 
Loans Modified in TDRs 
During the Period
 
TDRs Experiencing Payment
Defaults During the Period
 
Number of
TDRs
 
Recorded
Investment
 
Number of
TDRs
 
Recorded
Investment
 
Number of
TDRs
 
Recorded
Investment
 
Number of
TDRs
 
Recorded
Investment
Non-covered loans:
 

 
 

 
 

 
 

 
 

 
 

 
 

 
 

1-4 single family residential
7

 
$
2,456

 
2

 
$
185

 
1

 
$
96

 
1

 
$
96

Home equity loans and lines of credit

 

 

 

 
1

 
3

 

 

Multi-family

 

 

 

 
1

 
2,732

 

 

Construction and land

 

 

 

 
1

 
3,120

 

 

Commercial and industrial
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Taxi medallion loans
5

 
1,204

 
11

 
3,610

 
31

 
24,927

 
12

 
6,875

Other commercial and industrial

 

 

 

 
11

 
18,709

 
1

 
796

Commercial lending subsidiaries

 

 

 

 
1

 
13,630

 
1

 
2,500

 
12

 
$
3,660

 
13

 
$
3,795

 
47

 
$
63,217

 
15

 
$
10,267

Covered loans:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Non-ACI loans:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Home equity loans and lines of credit

 
$

 

 
$

 
1

 
$
144

 

 
$

Modifications during the three months ended March 31, 2018 and 2017 included interest rate reductions, restructuring of the amount and timing of required periodic payments, extensions of maturity and covenant waivers. Included in TDRs are residential loans to borrowers who have not reaffirmed their debt discharged in Chapter 7 bankruptcy. The total amount of such loans is not material. Modified ACI loans accounted for in pools are not considered TDRs, are not separated from the pools and are not classified as impaired loans.
Note 5    FDIC Indemnification Asset
When the Company recognizes gains or losses related to covered assets in its consolidated financial statements, changes in the estimated amount recoverable from the FDIC under the Loss Sharing Agreements with respect to those gains or losses are also reflected in the consolidated financial statements. Covered loans may be resolved through prepayment, short sale of the underlying collateral, foreclosure, sale of the loans or charge-off. For loans resolved through prepayment, short sale or foreclosure, the difference between consideration received in satisfaction of the loans and the carrying value of the loans is recognized in the consolidated statement of income line item “Income from resolution of covered assets, net.” Losses from the resolution of covered loans increase the amount recoverable from the FDIC under the Loss Sharing Agreements. Gains from the resolution of covered loans reduce the amount recoverable from the FDIC under the Loss Sharing Agreements. Similarly, differences in proceeds received on the sale of covered OREO and covered loans and their carrying amounts result in gains or losses and reduce or increase the amount recoverable from the FDIC under the Loss Sharing Agreements. Increases in valuation allowances or impairment charges related to covered assets also increase the amount estimated to be recoverable from the FDIC. These additions to or reductions in amounts recoverable from the FDIC related to transactions in the covered assets are recorded in the consolidated statement of income line item “Net loss on FDIC indemnification” and reflected as corresponding increases or decreases in the FDIC indemnification asset.
In addition, through June 30, 2017, recoveries of previously indemnified losses on assets that were formerly covered under the Commercial Shared-Loss Agreement resulted in reimbursements due to the FDIC. These transactions are included in the tables below.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED
March 31, 2018


The following table summarizes the components of the gains and losses associated with covered assets, along with the related additions to or reductions in the amounts recoverable from the FDIC under the Loss Sharing Agreements, as reflected in the consolidated statements of income for the periods indicated (in thousands):
 
Three Months Ended March 31,
 
2018
 
2017
 
Transaction
Income (Loss)
 
Net Loss on FDIC
Indemnification
 
Net Impact
on Pre-tax
Earnings
 
Transaction
Income (Loss)
 
Net Loss on FDIC
Indemnification
 
Net Impact
on Pre-tax
Earnings
Provision for losses on covered loans
$
(273
)
 
$
218

 
$
(55
)
 
$
(779
)
 
$
557

 
$
(222
)
Income from resolution of covered assets, net
3,317

 
(2,658
)
 
659

 
7,305

 
(5,805
)
 
1,500

Gain on sale of covered loans
1,703

 
(1,358
)
 
345

 
1,882

 
(1,502
)
 
380

Loss on covered OREO
(293
)
 
183

 
(110
)
 
(5
)
 
2

 
(3
)
 
$
4,454

 
$
(3,615
)
 
$
839

 
$
8,403

 
$
(6,748
)
 
$
1,655

Changes in the FDIC indemnification asset, and in the liability to the FDIC for recoveries related to assets previously covered under the Commercial Shared-Loss Agreement, for the three months ended March 31, 2018 and the year ended December 31, 2017 were as follows (in thousands): 
Balance at December 31, 2016
$
515,910

Amortization
(176,466
)
Reduction for claims filed
(21,589
)
Net loss on FDIC indemnification
(22,220
)
Balance at December 31, 2017
295,635

Amortization
(40,347
)
Reduction for claims filed
(2,036
)
Net loss on FDIC indemnification
(3,615
)
Balance at March 31, 2018
$
249,637

Note 6    Income Taxes
The Company’s effective income tax rate was 23.1% and 30.8% for the three months ended March 31, 2018 and 2017, respectively. The effective income tax rate differed from the statutory rates of 21% during the three months ended March 31, 2018 and 35% during the three months ended March 31, 2017 due primarily to the effect of state income taxes, offset by income not subject to tax.
The Company has investments in affordable housing limited partnerships which generate federal Low Income Housing Tax Credits and other tax benefits. The balance of these investments, included in other assets in the accompanying consolidated balance sheet, was $62 million and $64 million at March 31, 2018 and December 31, 2017, respectively. Unfunded commitments for affordable housing investments, included in other liabilities in the accompanying consolidated balance sheet, were $21 million and $26 million at March 31, 2018 and December 31, 2017, respectively. The maximum exposure to loss as a result of the Company's involvement with these limited partnerships at March 31, 2018 was approximately $72 million. While the Company believes the likelihood of potential losses from these investments is remote, the maximum exposure was determined by assuming a scenario where the projects completely fail and do not meet certain government compliance requirements resulting in recapture of the related tax credits. These investments did not have a material impact on income tax expense for the three months ended March 31, 2018 and 2017.
Note 7 Derivatives and Hedging Activities
The Company uses interest rate swaps to manage interest rate risk related to liabilities that expose the Company to variability in cash flows due to changes in interest rates. The Company enters into LIBOR-based interest rate swaps that are

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED
March 31, 2018


designated as cash flow hedges with the objective of limiting the variability of interest payment cash flows resulting from changes in the benchmark interest rate LIBOR. Changes in the fair value of interest rate swaps designated as cash flow hedging instruments are reported in AOCI and subsequently reclassified into interest expense in the same period in which the related interest on the floating-rate debt obligations affects earnings.
The Company also enters into interest rate derivative contracts with certain of its commercial borrowers to enable those borrowers to manage their exposure to interest rate fluctuations. To mitigate interest rate risk associated with these derivative contracts, the Company enters into offsetting derivative contract positions with primary dealers. These interest rate derivative contracts are not designated as hedging instruments; therefore, changes in the fair value of these derivatives are recognized immediately in earnings. The impact on earnings related to changes in fair value of these derivatives for the three months ended March 31, 2018 and 2017 was not material.
The Company may be exposed to credit risk in the event of non-performance by the counterparties to its interest rate derivative agreements. The Company assesses the credit risk of its financial institution counterparties by monitoring publicly available credit rating and financial information. The Company manages dealer credit risk by entering into interest rate derivatives only with primary and highly rated counterparties, the use of ISDA master agreements, central clearing mechanisms and counterparty limits. The agreements contain bilateral collateral arrangements with the amount of collateral to be posted generally governed by the settlement value of outstanding swaps. The Company manages the risk of default by its borrower counterparties through its normal loan underwriting and credit monitoring policies and procedures. The Company does not currently anticipate any losses from failure of interest rate derivative counterparties to honor their obligations.
The CME legally characterizes variation margin payments for centrally cleared derivatives as settlements of the derivatives' exposures rather than collateral. As a result, the variation margin payment and the related derivative instruments are considered a single unit of account for accounting and financial reporting purposes. The Company's clearing agent for interest rate derivative contracts centrally cleared through the CME settles the variation margin daily with the CME; therefore, those interest rate derivative contracts the Company clears through the CME are reported at a fair value of approximately zero at March 31, 2018.
The following tables set forth certain information concerning the Company’s interest rate contract derivative financial instruments and related hedged items at the dates indicated (dollars in thousands):
 
March 31, 2018
 
 
 
Weighted
Average Pay Rate
 
Weighted
Average Receive Rate
 
Weighted
Average
Remaining
Life in Years
 
 
 
 
 
 
 
 
 
 
 
 
Notional Amount
 
Balance Sheet Location
 
Fair Value
 
Hedged Item
 
 
 
 
 
 
Asset
 
Liability
Derivatives designated as cash flow hedges:
 
 
 
 
 
 
 
 
 

 
 
 
 

 
 

Pay-fixed interest rate swaps
Variability of interest cash flows on variable rate borrowings
 
2.09%
 
 3-Month Libor
 
5.1
 
$
2,171,000

 
Other assets / Other liabilities
 
$
5,418

 
$

Derivatives not designated as hedges:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Pay-fixed interest rate swaps
 
 
3.88%
 
Indexed to 1-month Libor
 
6.2
 
1,034,208

 
Other assets / Other liabilities
 
20,162

 
(7,078
)
Pay-variable interest rate swaps
 
 
Indexed to 1-month Libor
 
3.88%
 
6.2
 
1,034,208

 
Other assets / Other liabilities
 
7,367

 
(24,748
)
Interest rate caps purchased, indexed to 1-month Libor
 
 
 
 
2.81%
 
1.1
 
144,747

 
Other assets
 
53

 

Interest rate caps sold, indexed to 1-month Libor
 
 
2.81%
 
 
 
1.1
 
144,747

 
Other liabilities
 

 
(53
)
 
 
 
 
 
 
 
 
 
$
4,528,910

 
 
 
$
33,000

 
$
(31,879
)

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BANKUNITED, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED
March 31, 2018


 
December 31, 2017
 
 
 
Weighted
Average Pay Rate
 
Weighted
Average Receive Rate
 
Weighted
Average
Remaining
Life in Years
 
 
 
 
 
 
 
 
 
 
 
 
Notional Amount
 
Balance Sheet Location
 
Fair Value
 
Hedged Item
 
 
 
 
 
 
Asset
 
Liability
Derivatives designated as cash flow hedges:
 
 
 
 
 
 
 
 
 

 
 
 
 

 
 

Pay-fixed interest rate swaps
Variability of interest cash flows on variable rate borrowings
 
1.77%
 
 3-Month Libor
 
4.3
 
$
2,046,000

 
Other assets / Other liabilities
 
$
2,350

 
$

Derivatives not designated as hedges:
 
 

 

 

 


 
 
 


 
 
Pay-fixed interest rate swaps
 
 
3.87%
 
Indexed to 1-month Libor
 
6.4
 
1,028,041

 
Other assets / Other liabilities
 
10,856

 
(13,173
)
Pay-variable interest rate swaps
 
 
Indexed to 1-month Libor
 
3.87%
 
6.4
 
1,028,041

 
Other assets / Other liabilities
 
14,410

 
(12,189
)
Interest rate caps purchased, indexed to 1-month Libor
 
 

 
2.81%
 
1.3
 
145,354

 
Other assets
 
11

 

Interest rate caps sold, indexed to 1-month Libor
 
 
2.81%
 
 
 
1.3
 
145,354

 
Other liabilities
 

 
(11
)
 
 
 
 
 
 
 
 
 
$
4,392,790

 
 
 
$
27,627

 
$
(25,373
)
The following table provides information about the amount of loss reclassified from AOCI into interest expense for the periods indicated (dollars in thousands):
 
Three Months Ended March 31,
 
 
 
2018
 
2017
 
Location of Loss Reclassified from AOCI into Income
Interest rate contracts
$
(939
)
 
$
(2,891
)
 
Interest expense on borrowings
During the three months ended March 31, 2018 and 2017, no derivative positions designated as cash flow hedges were discontinued and none of the gains and losses reported in AOCI were reclassified into earnings as a result of the discontinuance of cash flow hedges or because of the early extinguishment of debt. As of March 31, 2018, the amount of net gain expected to be reclassified from AOCI into earnings during the next twelve months was $4.6 million
Some of the Company’s ISDA master agreements with financial institution counterparties contain provisions that permit either counterparty to terminate the agreements and require settlement in the event that regulatory capital ratios fall below certain designated thresholds, upon the initiation of other defined regulatory actions or upon suspension or withdrawal of the Bank’s credit rating. Currently, there are no circumstances that would trigger these provisions of the agreements.
The Company does not offset assets and liabilities under master netting agreements for financial reporting purposes. Information on interest rate swaps subject to these agreements is as follows at the dates indicated (in thousands):
 
March 31, 2018
 
 

Gross Amounts Offset in Balance
Sheet

Net Amounts Presented in
Balance Sheet

Gross Amounts Not Offset in
Balance Sheet

 
 
Gross Amounts
Recognized



Derivative
Instruments

Collateral
Pledged

Net Amount
Derivative assets
$
25,669

 
$

 
$
25,669

 
$
(5,538
)
 
$
(19,992
)
 
$
139

Derivative liabilities
(7,078
)
 

 
(7,078
)
 
5,538

 
1,536

 
(4
)
 
$
18,591

 
$

 
$
18,591

 
$

 
$
(18,456
)
 
$
135


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BANKUNITED, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED
March 31, 2018


 
December 31, 2017
 
 
 
Gross Amounts Offset in Balance
Sheet
 
Net Amounts Presented in
Balance Sheet
 
Gross Amounts Not Offset in
Balance Sheet
 
 
 
Gross Amounts
Recognized
 
 
 
Derivative
Instruments
 
Collateral
Pledged
 
Net Amount
Derivative assets
$
13,217

 
$

 
$
13,217

 
$
(7,996
)
 
$
(5,221
)
 
$

Derivative liabilities
(13,173
)
 

 
(13,173
)
 
7,996

 
4,962

 
(215
)
 
$
44

 
$

 
$
44

 
$

 
$
(259
)
 
$
(215
)
The difference between the amounts reported for interest rate swaps subject to master netting agreements and the total fair value of interest rate contract derivative financial instruments reported in the consolidated balance sheets is related to interest rate contracts entered into with borrowers not subject to master netting agreements.
At March 31, 2018, the Company had pledged financial collateral of $31 million as collateral for initial margin requirements on centrally cleared derivatives and interest rate swaps in a liability position. Financial collateral of $20 million was pledged by counterparties to the Company for interest rate swaps in an asset position. The amount of collateral required to be posted varies based on the settlement value of outstanding swaps and in some cases may include initial margin requirements. 
Note 8    Stockholders’ Equity
Accumulated Other Comprehensive Income
Changes in other comprehensive income are summarized as follows for the periods indicated (in thousands):
 
Three Months Ended March 31,
 
2018
 
2017
 
Before Tax
 
Tax Effect
 
Net of Tax
 
Before Tax
 
Tax Effect
 
Net of Tax
Unrealized gains on investment securities available for sale:
 

 
 

 
 

 
 
 
 
 
 
Net unrealized holding gain (loss) arising during the period
$
(37,176
)
 
$
9,852

 
$
(27,324
)
 
$
26,739

 
$
(10,562
)
 
$
16,177

Amounts reclassified to gain on investment securities available for sale, net
(976
)
 
259

 
(717
)
 
(1,636
)
 
646

 
(990
)
Net change in unrealized gains on investment securities available for sale
(38,152
)
 
10,111

 
(28,041
)
 
25,103

 
(9,916
)
 
15,187

Unrealized losses on derivative instruments:
 
 
 
 
 
 
 
 
 
 
 
Net unrealized holding gain arising during the period
26,929

 
(7,136
)
 
19,793

 
713

 
(282
)
 
431

Amounts reclassified to interest expense on borrowings
939

 
(249
)
 
690

 
2,891

 
(1,142
)
 
1,749

Net change in unrealized losses on derivative instruments
27,868

 
(7,385
)
 
20,483

 
3,604

 
(1,424
)
 
2,180

Other comprehensive income (loss)
$
(10,284
)
 
$
2,726

 
$
(7,558
)
 
$
28,707

 
$
(11,340
)
 
$
17,367




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BANKUNITED, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED
March 31, 2018


The categories of AOCI and changes therein are presented below for the periods indicated (in thousands):
 
Unrealized Gain (Loss) on
Investment Securities
Available for Sale
 
Unrealized Gain (Loss)
on Derivative
Instruments
 
Total
Balance at December 31, 2017
$
56,534

 
$
(1,548
)
 
$
54,986

Cumulative effect of adoption of new accounting standards
9,187

 
(285
)
 
8,902

Other comprehensive loss
(28,041
)
 
20,483

 
(7,558
)
Balance at March 31, 2018
$
37,680

 
$
18,650

 
$
56,330

 
 
 
 
 
 
Balance at December 31, 2016
$
47,057

 
$
(5,810
)
 
$
41,247

Other comprehensive income
15,187

 
2,180

 
17,367

Balance at March 31, 2017
$
62,244

 
$
(3,630
)
 
$
58,614

 
In January 2018, our Board of Directors authorized a share repurchase program under which the Company may repurchase up to $150 million of its outstanding common stock. Any repurchases will be made in accordance with applicable securities laws from time to time in open market or private transactions. The authorization does not require the Company to acquire any specified number of common shares and may be commenced, suspended or discontinued without prior notice. During the three months ended March 31, 2018, the Company repurchased 1.2 million shares of common stock for an aggregate purchase price of $48.6 million.
Note 9    Equity Based and Other Compensation Plans
Share Awards
Unvested share awards
During the three months ended March 31, 2018, the Company granted 640,040 unvested share awards under the 2014 Plan. All of the shares vest in equal annual installments over a period of three years from the date of grant. The shares granted were valued at the closing price of the Company’s common stock on the date of grant of $40.28, and had an aggregate fair value of $25.8 million. The total unrecognized compensation cost of $39.0 million for all unvested share awards outstanding at March 31, 2018 will be recognized over a weighted average remaining period of 2.31 years.
During the three months ended March 31, 2017, the Company granted 576,999 unvested share awards under the 2014 Plan. All of the shares vest in equal annual installments over a period of three years from the date of grant. The shares granted were valued at the closing price of the Company’s common stock on the date of grant, ranging from $37.60 to $40.84, and had an aggregate fair value of $23.5 million.
Executive share-based awards
Certain of the Company's executives are eligible to receive annual awards of RSUs and PSUs (collectively, the "share units"). Annual awards of RSUs represent a fixed number of shares and vest in equal tranches over three years. PSUs are initially granted based on a target value. The number of PSUs that ultimately vest at the end of a three-year performance measurement period will be based on the achievement of performance criteria pre-established by the Compensation Committee of the Board of Directors. The performance criteria established for the PSUs granted in 2018, 2017 and 2016 include both performance and market conditions. Upon vesting, the share units will be converted to common stock on a one-for-one basis, or may be settled in cash at the Company's option. The share units will accumulate dividends declared on the Company's common stock from the date of grant to be paid subsequent to vesting.
The Company has cash settled all tranches of RSUs that have vested to date. As a result of this cash settlement, all RSUs and PSUs have been determined to be liability instruments and are remeasured at fair value each reporting period until the awards are settled. The RSUs are valued based on the closing price of the Company's common stock at the reporting date. The PSUs are valued based on the closing price of the Company's common stock at the reporting date net of a discount related to

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March 31, 2018


any applicable market conditions, considering the probability of meeting the defined performance conditions. Compensation cost related to PSUs is recognized during the performance period based on the probable outcome of the respective performance conditions.
During the three months ended March 31, 2018, 52,026 RSUs and 52,026 PSUs were granted. During the three months ended March 31, 2017, 47,848 RSUs and 47,848 PSUs were granted. The total liability for the share units was $3.7 million at March 31, 2018. The total unrecognized compensation cost of $8.4 million for these share units at March 31, 2018 will be recognized over a weighted average remaining period of 2.09 years.
Incentive awards
The Company's annual incentive compensation arrangements for employees other than those eligible for the executive share-based awards discussed above provide for settlement through a combination of cash payments and unvested share awards following the end of the annual performance period. The dollar value of share awards to be granted is based on the achievement of performance criteria established in the incentive arrangements. The number of shares of common stock to be awarded is variable based on the closing price of the Company's stock on the date of grant; therefore, these awards are initially classified as liability instruments, with compensation cost recognized from the beginning of the performance period. The awards vest in equal installments over a period of three years from the date of grant. The total liability for incentive share awards was $0.4 million at March 31, 2018. The total unrecognized compensation cost of $5.5 million for incentive share awards at March 31, 2018 will be recognized over a weighted average remaining period of 3.75 years. The accrued liability and unrecognized compensation cost are based on management's current estimate of the likely outcome of the performance criteria established in the incentive arrangements and may differ from actual results.
The 640,040 unvested share awards granted during the three months ended March 31, 2018, as discussed above, included 90,642 unvested share awards granted under the Company's annual incentive compensation arrangements based on the achievement of established performance criteria for the year ended December 31, 2017.
Option Awards
A summary of activity related to stock option awards for the three months ended March 31, 2018 follows:
 
Number of
Option
Awards
 
Weighted
Average
Exercise Price
Option awards outstanding, December 31, 2017
1,270,688

 
$
26.93

Exercised
(40,500
)
 
26.94

Option awards outstanding and exercisable, March 31, 2018
1,230,188

 
$
26.93

 
 
 
 
Option awards outstanding, December 31, 2016
3,602,076

 
$
26.74

Exercised
(2,304,108
)
 
26.70

Option awards outstanding and exercisable, March 31, 2017
1,297,968

 
$
26.81

The intrinsic value of options exercised was $0.6 million and $25.3 million, respectively, during the three months ended March 31, 2018 and 2017. The related tax benefit of options exercised was $3.8 million during the three months ended March 31, 2017 and insignificant during the three months ended March 31, 2018.
Note 10    Fair Value Measurements
Assets and liabilities measured at fair value on a recurring basis
Following is a description of the methodologies used to estimate the fair values of assets and liabilities measured at fair value on a recurring basis and the level within the fair value hierarchy in which those measurements are typically classified.
Investment securities available for sale and marketable equity securities—Fair value measurements are based on quoted prices in active markets when available; these measurements are classified within level 1 of the fair value hierarchy. These securities typically include U.S. Treasury securities and certain preferred stocks. If quoted prices in active markets are not

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED
March 31, 2018


available, fair values are estimated using quoted prices of securities with similar characteristics, quoted prices of identical securities in less active markets, discounted cash flow techniques, or matrix pricing models. These securities are generally classified within level 2 of the fair value hierarchy and include U.S. Government agency securities, U.S. Government agency and sponsored enterprise MBS, preferred stock investments for which level 1 valuations are not available, corporate debt securities, non-mortgage asset-backed securities, single family rental real estate-backed securities, certain private label residential MBS and CMOs, private label commercial MBS, collateralized loan obligations and state and municipal obligations. Pricing of these securities is generally primarily spread driven. Observable inputs that may impact the valuation of these securities include benchmark yield curves, credit spreads, reported trades, dealer quotes, bids, issuer spreads, current rating, historical constant prepayment rates, historical voluntary prepayment rates, structural and waterfall features of individual securities, published collateral data, and for certain securities, historical constant default rates and default severities. Investment securities available for sale generally classified within level 3 of the fair value hierarchy include certain private label MBS and trust preferred securities. The Company typically values these securities using third-party proprietary pricing models, primarily discounted cash flow valuation techniques, which incorporate both observable and unobservable inputs. Unobservable inputs that may impact the valuation of these securities include risk adjusted discount rates, projected prepayment rates, projected default rates and projected loss severity.
The Company uses third-party pricing services in determining fair value measurements for investment securities. To obtain an understanding of the methodologies and assumptions used, management reviews written documentation provided by the pricing services, conducts interviews with valuation desk personnel and reviews model results and detailed assumptions used to value selected securities as considered necessary. Management has established a robust price challenge process that includes a review by the treasury front office of all prices provided on a monthly basis. Any price evidencing unexpected month over month fluctuations or deviations from expectations is challenged. If considered necessary to resolve any discrepancies, a price will be obtained from an additional independent valuation source. The Company does not typically adjust the prices provided, other than through this established challenge process. The results of price challenges are subject to review by executive management. The Company has also established a quarterly process whereby prices provided by its primary pricing service for a sample of securities are validated. Any price discrepancies are resolved based on careful consideration of the assumptions and inputs employed by each of the pricing sources.
Servicing rights—Commercial servicing rights are valued using a discounted cash flow methodology incorporating contractually specified servicing fees and market based assumptions about prepayments, discount rates, default rates and costs of servicing. Prepayment and default assumptions are based on historical industry data for loans with similar characteristics. Assumptions about costs of servicing are based on market convention. Discount rates are based on rates of return implied by observed trades of underlying loans in the secondary market. Fair value of residential MSRs is estimated using a discounted cash flow technique that incorporates market‑based assumptions including estimated prepayment speeds, contractual servicing fees, cost to service, discount rates, escrow account earnings, ancillary income, and estimated defaults. Due to the nature of the valuation inputs and the limited availability of market pricing, servicing rights are classified as level 3.
Derivative financial instruments—Fair values of interest rate swaps are determined using widely accepted discounted cash flow modeling techniques. These discounted cash flow models use projections of future cash payments and receipts that are discounted at mid-market rates. Observable inputs that may impact the valuation of these instruments include LIBOR swap rates and LIBOR forward yield curves. These fair value measurements are generally classified within level 2 of the fair value hierarchy.

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BANKUNITED, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED
March 31, 2018


The following tables present assets and liabilities measured at fair value on a recurring basis at the dates indicated (in thousands):
 
March 31, 2018
 
Level 1
 
Level 2
 
Level 3
 
Total
Investment securities available for sale:
 

 
 

 
 

 
 

U.S. Treasury securities
$
24,973

 
$

 
$

 
$
24,973

U.S. Government agency and sponsored enterprise residential MBS

 
2,063,747

 

 
2,063,747

U.S. Government agency and sponsored enterprise commercial MBS

 
227,792

 

 
227,792

Private label residential MBS and CMOs

 
676,578

 
44,120

 
720,698

Private label commercial MBS

 
1,107,086

 

 
1,107,086

Single family rental real estate-backed securities

 
470,008

 

 
470,008

Collateralized loan obligations

 
823,629

 

 
823,629

Non-mortgage asset-backed securities

 
234,274

 

 
234,274

State and municipal obligations

 
478,084

 

 
478,084

SBA securities

 
522,836

 

 
522,836

Other debt securities

 
3,790

 
5,714

 
9,504

Marketable equity securities
62,870

 

 

 
62,870

Servicing rights

 

 
33,432

 
33,432

Derivative assets

 
33,000

 

 
33,000

Total assets at fair value
$
87,843

 
$
6,640,824

 
$
83,266

 
$
6,811,933

Derivative liabilities
$

 
$
31,879

 
$

 
$
31,879

Total liabilities at fair value
$

 
$
31,879

 
$

 
$
31,879


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BANKUNITED, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED
March 31, 2018


 
December 31, 2017
 
Level 1
 
Level 2
 
Level 3
 
Total
Investment securities available for sale:
 

 
 

 
 

 
 

U.S. Treasury securities
$
24,953

 
$

 
$

 
$
24,953

U.S. Government agency and sponsored enterprise residential MBS

 
2,058,027

 

 
2,058,027

U.S. Government agency and sponsored enterprise commercial MBS

 
234,508

 

 
234,508

Private label residential MBS and CMOs

 
576,033

 
52,214

 
628,247

Private label commercial MBS

 
1,046,415

 

 
1,046,415

Single family rental real estate-backed securities

 
562,706

 

 
562,706

Collateralized loan obligations

 
723,681

 

 
723,681

Non-mortgage asset-backed securities

 
121,747

 

 
121,747

Marketable equity securities
63,543

 

 

 
63,543

State and municipal obligations

 
657,203

 

 
657,203

SBA securities

 
550,682

 

 
550,682

Other debt securities

 
3,791

 
5,329

 
9,120

Servicing rights

 

 
30,737

 
30,737

Derivative assets

 
27,627

 

 
27,627

Total assets at fair value
$
88,496

 
$
6,562,420

 
$
88,280

 
$
6,739,196

Derivative liabilities
$

 
$
25,373

 
$

 
$
25,373

Total liabilities at fair value
$

 
$
25,373

 
$

 
$
25,373

There were no transfers of financial assets between levels of the fair value hierarchy during the three months ended March 31, 2018 and the year ended December 31, 2017.
The following table reconciles changes in the fair value of assets and liabilities measured at fair value on a recurring basis and classified in level 3 of the fair value hierarchy during the periods indicated (in thousands): 
 
Three Months Ended March 31,
 
2018
 
2017
 
Private Label
Residential
MBS
 
Other Debt
Securities
 
Servicing Rights
 
Private Label
Residential
MBS
 
Other Debt
Securities
 
Servicing Rights
Balance at beginning of period
$
52,214

 
$
5,329

 
$
30,737

 
$
120,610

 
$
4,572

 
$
27,159

Gains (losses) for the period included in:
 
 
 
 
 
 
 
 
 
 
 
Net income
1,319

 

 
247

 

 

 
(192
)
Other comprehensive income
(2,498
)
 
378

 

 
(1,023
)
 
349

 

Discount accretion
871

 
31

 

 
1,462

 
34

 

Purchases or additions

 

 
2,448

 

 

 
2,082

Sales
(5,120
)
 

 

 

 

 

Settlements
(2,666
)
 
(24
)
 

 
(6,219
)
 
(24
)
 

Transfers into level 3

 

 

 

 

 

Transfers out of level 3

 

 

 

 

 

Balance at end of period
$
44,120

 
$
5,714

 
$
33,432

 
$
114,830

 
$
4,931

 
$
29,049


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BANKUNITED, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED
March 31, 2018


Gains on private label residential MBS recognized in net income during the three months ended March 31, 2018 are included in the consolidated statement of income line item "Gain on investment securities, net." Changes in the fair value of servicing rights are included in the consolidated statement of income line item “Other non-interest income.” Changes in fair value include changes due to valuation assumptions, primarily discount rates and prepayment speeds, as well as other changes such as runoff and the passage of time. The amount of net unrealized gains included in earnings for the three months ended March 31, 2018 and 2017 that were related to servicing rights held at March 31, 2018 and 2017 totaled approximately $1.3 million and $0.7 million, respectively, and were primarily due to changes in discount rates and prepayment speeds.
Securities for which fair value measurements are categorized in level 3 of the fair value hierarchy at March 31, 2018 consisted of pooled trust preferred securities with a fair value of $6 million and private label residential MBS and CMOs with a fair value of $44 million. The trust preferred securities are not material to the Company’s financial statements. Private label residential MBS consisted of senior and mezzanine tranches collateralized by prime fixed rate and hybrid 1-4 single family residential mortgages originated before 2005. Substantially all of these securities have variable rate coupons. Weighted average subordination levels at March 31, 2018 were 17.7% and 10.9% for investment grade and non-investment grade securities, respectively.
The following table provides information about the valuation techniques and unobservable inputs used in the valuation of private label residential MBS and CMOs falling within level 3 of the fair value hierarchy as of March 31, 2018 (dollars in thousands): 
 
 
Fair Value at
 
Valuation Technique
 
Unobservable
Input
 
Range (Weighted
Average)
 
 
March 31, 2018
 
 
 
Investment grade
 
$
29,730

 
Discounted cash flow
 
Voluntary prepayment rate
 
8.00% - 27.00% (17.01%)
 
 
 
 
 
 
Probability of default
 
0.00% - 6.20% (1.47%)
 
 
 
 
 
 
Loss severity
 
15.00% - 88.20% (25.07%)
 
 
 
 
 
 
Discount rate
 
1.70% - 8.76% (3.95%)
 
 
 
 
 
 
 
 
 
Non-investment grade
 
$
14,390

 
Discounted cash flow
 
Voluntary prepayment rate
 
1.00% - 20.60% (14.90%)
 
 
 
 
 
 
Probability of default
 
0.00% - 7.00% (2.43%)
 
 
 
 
 
 
Loss severity
 
15.00% - 85.00% (31.60%)
 
 
 
 
 
 
Discount rate
 
2.30% - 9.81% (6.44%)
The significant unobservable inputs impacting the fair value measurement of private label residential MBS and CMOs include voluntary prepayment rates, probability of default, loss severity given default and discount rates. Generally, increases in probability of default, loss severity or discount rates would result in a lower fair value measurement. Alternatively, decreases in probability of default, loss severity or discount rates would result in a higher fair value measurement. For securities with less favorable credit characteristics, decreases in voluntary prepayment speeds may be interpreted as a deterioration in the overall credit quality of the underlying collateral and as such, lead to lower fair value measurements. The fair value measurements of those securities with higher levels of subordination will be less sensitive to changes in these unobservable inputs other than discount rates, while securities with lower levels of subordination will show a higher degree of sensitivity to changes in these unobservable inputs other than discount rates. Generally, a change in the assumption used for probability of default is accompanied by a directionally similar change in the assumption used for loss severity given default and a directionally opposite change in the assumption used for voluntary prepayment rate. 

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BANKUNITED, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED
March 31, 2018


The following table provides information about the valuation techniques and significant unobservable inputs used in the valuation of servicing rights as of March 31, 2018 (dollars in thousands):
 
 
Fair Value at
 
Valuation Technique
 
Unobservable
Input
 
Range (Weighted
Average)
 
 
March 31, 2018
 
 
 
Residential MSRs
 
$
22,583

 
Discounted cash flow
 
Prepayment rate
 
6.79% - 27.31% (12.12%)
 
 
 
 
 
 
Discount rate
 
10.13% - 10.21% (10.13%)
 
 
 
 
 
 
 
 
 
Commercial servicing rights
 
$
10,849

 
Discounted cash flow
 
Prepayment rate
 
0.54% - 12.18% (9.41%)
 
 
 
 
 
 
Discount rate
 
2.48% - 15.39% (12.34%)
Increases in prepayment rates or discount rates would result in lower fair value measurements and decreases in prepayment rates or discount rates would result in higher fair value measurements. Although the prepayment rate and the discount rate are not directly interrelated, they generally move in opposite directions.
Assets and liabilities measured at fair value on a non-recurring basis
Following is a description of the methodologies used to estimate the fair values of assets and liabilities that may be measured at fair value on a non-recurring basis, and the level within the fair value hierarchy in which those measurements are typically classified. 
Impaired loans, OREO and other repossessed assets—The carrying amount of collateral dependent impaired loans is typically based on the fair value of the underlying collateral, which may be real estate, taxi medallions, or other business assets, less estimated costs to sell. The carrying value of OREO is initially measured based on the fair value of the real estate acquired in foreclosure and subsequently adjusted to the lower of cost or estimated fair value, less estimated cost to sell. Fair values of real estate collateral and OREO are typically based on third-party real estate appraisals which utilize market and income approaches to valuation incorporating both observable and unobservable inputs. When current appraisals are not available, the Company may use brokers’ price opinions, home price indices or other available information about changes in real estate market conditions to adjust the latest appraised value available. These adjustments to appraised values may be subjective and involve significant management judgment. The fair value of repossessed assets, other than taxi medallions, or collateral consisting of other business assets may be based on third-party appraisals or internal analyses that use market approaches to valuation incorporating primarily unobservable inputs.
The valuation of New York City taxi medallions collateralizing loans that are not more than 60 days delinquent is based primarily on an internal analysis that utilizes an income approach to valuation. This analysis utilizes data obtained from the NYTLC about the fleet in general and in some cases, our portfolio specifically, and management's assumptions, based on external data when available, about revenues, costs and expenses, to estimate the value that can reasonably be supported by the cash flow generating capacity of a medallion. We further discount the results of this analysis in recognition of estimated selling costs and declining trends in medallion values. The valuation of medallions collateralizing loans that are over 60 days past due or in litigation is estimated based on recent transfer prices published by the NYTLC. Taxi medallions in municipalities other than New York City are generally valued based on published information about recent transfer prices; the valuation of these assets did not have a material impact on the Company's consolidated financial statements for any period presented as the taxi medallion portfolio is heavily concentrated in New York City.
Fair value measurements related to collateral dependent impaired loans, OREO and other repossessed assets are classified within levels 2 and 3 of the fair value hierarchy.

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BANKUNITED, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED
March 31, 2018


The following tables present the carrying value of assets for which non-recurring changes in fair value have been recorded for the periods indicated (in thousands): 
 
March 31, 2018
 
Three Months Ended 
 March 31, 2018
 
Level 1
 
Level 2
 
Level 3
 
Total
 
Losses from Fair Value Changes
OREO and repossessed assets
$

 
$
1,674

 
$
432

 
$
2,106

 
$
(1,405
)
Impaired loans
$

 
$
12,522

 
$
74,895

 
$
87,417

 
$
(3,755
)
 
March 31, 2017
 
Three Months Ended 
 March 31, 2017
 
Level 1
 
Level 2
 
Level 3
 
Total
 
Losses from Fair Value Changes
OREO and repossessed assets
$

 
$

 
$
5,535

 
$
5,535

 
$
(233
)
Impaired loans
$

 
$

 
$
76,513

 
$
76,513

 
$
(3,602
)
Included in the tables above are impaired taxi medallion loans with carrying values of $78.3 million and $53.3 million at March 31, 2018 and 2017, respectively, the majority of which were in New York City. Losses of $2.5 million and $1.9 million were recognized on impaired taxi medallion loans during the three months ended March 31, 2018 and 2017, respectively. In addition, OREO and repossessed assets reported above included repossessed taxi medallions with carrying values of $1.7 million and $2.3 million at March 31, 2018 and 2017, respectively. Losses of $0.5 million and $0.2 million were recognized on repossessed taxi medallions during the three months ended March 31, 2018 and 2017, respectively.
Decreases in the value of medallions are largely driven by decreases in revenues generated from the medallions. Inputs that had the most significant impact on the valuation of New York City taxi medallions at March 31, 2018 are presented below:
 
Average Amount
Average fare per trip
$16.02
Number of trips per shift
15.4

Days worked per month
25.7

Second shift rental achievement
53.1
%

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BANKUNITED, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED
March 31, 2018


The following table presents the carrying value and fair value of financial instruments and the level within the fair value hierarchy in which those measurements are classified at the dates indicated (dollars in thousands): 
 
 
 
March 31, 2018
 
December 31, 2017
 
Level
 
Carrying Value
 
Fair Value
 
Carrying Value
 
Fair Value
Assets:
 
 
 

 
 

 
 

 
 

Cash and cash equivalents
1
 
$
199,750

 
$
199,750

 
$
194,582

 
$
194,582

Investment securities
1/2/3
 
6,755,501

 
6,755,501

 
6,690,832

 
6,690,832

Non-marketable equity securities
2
 
250,052

 
250,052

 
265,989

 
265,989

Loans held for sale
2
 
46,494

 
51,488

 
34,097

 
37,847

Loans:
 
 
 
 
 
 
 
 
 
Covered
3
 
478,646

 
867,028

 
502,860

 
922,888

Non-covered
3
 
20,850,699

 
20,961,016

 
20,768,849

 
20,759,567

FDIC indemnification asset
3
 
249,637

 
113,596

 
295,635

 
148,356

Derivative assets
2
 
33,000

 
33,000

 
27,627

 
27,627

Liabilities:
 
 
 
 
 
 
 
 
 
Demand, savings and money market deposits
2
 
$
15,923,088

 
$
15,923,088

 
$
15,543,637

 
$
15,543,637

Time deposits
2
 
6,316,560

 
6,296,285

 
6,334,842

 
6,324,010

FHLB advances
2
 
4,396,000

 
4,400,722

 
4,771,000

 
4,774,160

Notes and other borrowings
2
 
402,816

 
422,012

 
402,830

 
435,361

Derivative liabilities
2
 
31,879

 
31,879

 
25,373

 
25,373

Note 11     Commitments and Contingencies 
The Company issues off-balance sheet financial instruments to meet the financing needs of its customers. These financial instruments include commitments to fund loans, unfunded commitments under existing lines of credit, and commercial and standby letters of credit. These commitments expose the Company to varying degrees of credit and market risk which are essentially the same as those involved in extending loans to customers, and are subject to the same credit policies used in underwriting loans. Collateral may be obtained based on the Company’s credit evaluation of the counterparty. The Company’s maximum exposure to credit loss is represented by the contractual amount of these commitments.
Commitments to fund loans
These are agreements to lend funds to customers as long as there is no violation of any condition established in the contract. Commitments to fund loans generally have fixed expiration dates or other termination clauses and may require payment of a fee. Many of these commitments are expected to expire without being funded and, therefore, the total commitment amounts do not necessarily represent future liquidity requirements. 
Unfunded commitments under lines of credit
Unfunded commitments under lines of credit include commercial, commercial real estate, home equity and consumer lines of credit to existing customers. Some of these commitments may mature without being fully funded. 
Commercial and standby letters of credit
Letters of credit are conditional commitments issued by the Company to guarantee the performance of a customer to a third party. These letters of credit are primarily issued to support trade transactions or guarantee arrangements. The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loan facilities to customers. 

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BANKUNITED, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED
March 31, 2018


Total lending related commitments outstanding at March 31, 2018 were as follows (in thousands):
Commitments to fund loans
$
776,256

Commitments to purchase loans
267,303

Unfunded commitments under lines of credit
2,728,881

Commercial and standby letters of credit
73,941

 
$
3,846,381

Legal Proceedings
The Company is involved as plaintiff or defendant in various legal actions arising in the normal course of business. In the opinion of management, based upon advice of legal counsel, the likelihood is remote that the impact of these proceedings, either individually or in the aggregate, would be material to the Company’s consolidated financial position, results of operations or cash flows.

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Item 2.    Management's Discussion and Analysis of Financial Condition and Results of Operations 
The following discussion and analysis is intended to focus on significant changes in the financial condition and results of operations of the Company during the three months ended March 31, 2018 and should be read in conjunction with the consolidated financial statements and notes hereto included in this Quarterly Report on Form 10-Q and BKU's 2017 Annual Report on Form 10-K for the year ended December 31, 2017 (the "2017 Annual Report on Form 10-K”).
Forward-Looking Statements

This Quarterly Report on Form 10-Q contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 that reflect the Company’s current views with respect to, among other things, future events and financial performance. Words such as “anticipates,” “expects,” “intends,” “plans,” “believes,” “seeks,” “estimates” and similar expressions identify forward-looking statements. These forward-looking statements are based on the historical performance of the Company or on the Company’s current plans, estimates and expectations. The inclusion of this forward-looking information should not be regarded as a representation by the Company that the future plans, estimates or expectations so contemplated will be achieved. Such forward-looking statements are subject to various risks and uncertainties and assumptions relating to the Company’s operations, financial results, financial condition, business prospects, growth strategy and liquidity. If one or more of these or other risks or uncertainties materialize, or if the Company’s underlying assumptions prove to be incorrect, the Company’s actual results may vary materially from those indicated in these statements. A number of important factors could cause actual results to differ materially from those indicated by the forward-looking statements, including, but not limited to, the risk factors described in Part II, Item 1A of this Quarterly Report on Form 10- Q and in Part I, Item 1A of the 2017 Annual Report on Form 10-K. The Company does not undertake any obligation to publicly update or review any forward looking statement, whether as a result of new information, future developments or otherwise.
Overview
Quarterly Highlights
In evaluating our financial performance, we consider the level of and trends in net interest income, the net interest margin, levels and composition of non-interest income and non-interest expense, performance ratios such as the return on average equity and return on average assets and asset quality ratios, particularly for the non-covered portfolio, including the ratio of non-performing loans to total loans, non-performing assets to total assets, and portfolio delinquency and charge-off trends. We consider growth in earning assets and deposits, trends in funding mix and cost of funds. We analyze these ratios and trends against our own historical performance, our budgeted performance and the financial condition and performance of comparable financial institutions.
Quarterly highlights include:
Net income for the three months ended March 31, 2018 was $85.2 million, or $0.77 per diluted share, compared to $62.3 million, or $0.57 per diluted share, for the three months ended March 31, 2017. Earnings for the first quarter of 2018 generated an annualized return on average stockholders' equity of 11.28% and an annualized return on average assets of 1.14%.
Net interest income increased by $17.2 million to $247.8 million for the quarter ended March 31, 2018 from $230.6 million for the quarter ended March 31, 2017. Interest income increased by $44.2 million, driven by increases in the average balances of loans and investment securities outstanding as well as increases in tax-equivalent yields on interest earning assets. Interest expense increased by $27.0 million, driven primarily by increases in average interest bearing deposits and an increase in the cost of interest bearing liabilities.
The net interest margin, calculated on a tax-equivalent basis, was 3.56% for the quarter ended March 31, 2018 compared to 3.70% for the quarter ended March 31, 2017. Significant factors contributing to the decline in the net interest margin from the comparable quarter of the prior year were (i) an increase in the cost of interest bearing liabilities; (ii) the impact on tax equivalent yields of the reduction in the statutory federal income tax rate; and (iii) although yields on all categories of interest earning assets increased, non-covered loans and investment securities were added to the balance sheet at yields lower than the existing yield on earning assets.
The effective income tax rate declined to 23.1% for the quarter ended March 31, 2018 from 30.8% for the quarter ended March 31, 2017, primarily due to the reduction in the statutory federal income tax rate.
Total deposits increased by $361 million for the quarter ended March 31, 2018, to $22.2 billion. Growth in non-interest bearing demand deposits accounted for $270 million of this increase. Non-covered loans and leases, including

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Table of Contents

equipment under operating lease, grew by $66 million during the quarter. Loan growth was impacted during the quarter by continued runoff of the New York multi-family portfolio and seasonality in the mortgage warehouse and commercial and industrial lines of business.
During the three months ended March 31, 2018, under the terms of the share repurchase program authorized by its Board of Directors, the Company repurchased 1.2 million shares of its common stock for an aggregate purchase price of $48.6 million.
The Company’s capital ratios exceeded all regulatory “well capitalized” guidelines, with a Tier 1 leverage ratio of 9.6%, CET1 and Tier 1 risk-based capital ratios of 13.0% and a Total risk-based capital ratio of 13.7% at March 31, 2018.
Book value per common share grew to $28.57 at March 31, 2018 from $28.32 at December 31, 2017 while tangible book value per common share increased to $27.83 from $27.59 over the same period.
Results of Operations
Net Interest Income
Net interest income is the difference between interest earned on interest earning assets and interest incurred on interest bearing liabilities and is the primary driver of core earnings. Net interest income is impacted by the relative mix of interest earning assets and interest bearing liabilities, the ratio of interest earning assets to total assets and of interest bearing liabilities to total funding sources, movements in market interest rates, levels of non-performing assets and pricing pressure from competitors.
The mix of interest earning assets is influenced by loan demand, market and competitive conditions in our primary lending markets and by management's continual assessment of the rate of return and relative risk associated with various classes of earning assets. The mix of interest bearing liabilities is influenced by the Company's liquidity profile, management's assessment of the desire for lower cost funding sources weighed against relationships with customers and growth requirements and is impacted by competition for deposits in the Company's markets and the availability and pricing of other sources of funds.
Net interest income is also impacted by the accounting for ACI loans acquired in conjunction with the FSB Acquisition. ACI loans were initially recorded at fair value, measured based on the present value of expected cash flows. The excess of expected cash flows over carrying value, known as accretable yield, is recognized as interest income over the lives of the underlying loans. Accretion related to ACI loans is expected to continue to positively impact net interest income, the net interest margin and interest rate spread until termination of the Single Family Shared-Loss Agreement.
The impact of ACI loan accounting on net interest income makes it difficult to compare our net interest margin and interest rate spread to those reported by other financial institutions.

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Table of Contents

The following table presents, for the periods indicated, information about (i) average balances, the total dollar amount of taxable equivalent interest income from earning assets and the resultant average yields; (ii) average balances, the total dollar amount of interest expense on interest bearing liabilities and the resultant average rates; (iii) net interest income; (iv) the interest rate spread; and (v) the net interest margin. Non-accrual and restructured loans are included in the average balances presented in this table; however, interest income foregone on non-accrual loans is not included. Interest income, yields, spread and margin have been calculated on a tax-equivalent basis for loans and investment securities that are exempt from federal income taxes, at a federal tax rate of 21.0% and 35.0% during the three months ended March 31, 2018 and 2017, respectively (dollars in thousands):
 
Three Months Ended March 31,
 
2018
 
2017
 
Average
Balance
 
Interest (1)
 
Yield/
Rate
(1)(2)
 
Average
Balance
 
Interest (1)
 
Yield/
Rate
(1)(2)
Assets:
 
 
 
 
 
 
 
 
 
 
 
Interest earning assets:
 

 
 

 
 

 
 

 
 

 
 

Non-covered loans
$
20,783,987

 
$
196,878

 
3.83
%
 
$
18,723,610

 
$
167,984

 
3.62
%
Covered loans
498,701

 
81,309

 
65.22
%
 
603,668

 
75,153

 
49.83
%
Total loans
21,282,688

 
278,187

 
5.26
%
 
19,327,278

 
243,137

 
5.07
%
Investment securities (3)
6,772,449

 
51,524

 
3.04
%
 
6,252,466

 
47,087

 
3.01
%
Other interest earning assets
518,857

 
3,791

 
2.96
%
 
572,187

 
3,457

 
2.45
%
Total interest earning assets
28,573,994

 
333,502

 
4.70
%
 
26,151,931

 
293,681

 
4.52
%
Allowance for loan and lease losses
(145,216
)
 
 
 
 
 
(156,023
)
 
 
 
 
Non-interest earning assets
1,944,678

 
 
 
 
 
1,810,592

 
 
 
 
Total assets
$
30,373,456

 
 
 
 
 
$
27,806,500

 
 
 
 
Liabilities and Stockholders' Equity:
 
 
 
 
 
 
 
 
 
 
 
Interest bearing liabilities:
 
 
 
 
 
 
 
 
 
 
 
Interest bearing demand deposits
$
1,600,009

 
4,157

 
1.05
%
 
$
1,565,188

 
2,685

 
0.70
%
Savings and money market deposits
10,799,270

 
29,054

 
1.09
%
 
9,258,827

 
15,421

 
0.68
%
Time deposits
6,314,137

 
23,150

 
1.49
%
 
5,672,223

 
16,622

 
1.19
%
Total interest bearing deposits
18,713,416

 
56,361

 
1.22
%
 
16,496,238

 
34,728

 
0.85
%
FHLB advances
4,459,389

 
18,297

 
1.66
%
 
4,948,870

 
12,899

 
1.06
%
Notes and other borrowings
402,840

 
5,309

 
5.27
%
 
402,818

 
5,318

 
5.28
%
Total interest bearing liabilities
23,575,645

 
79,967

 
1.37
%
 
21,847,926

 
52,945

 
0.98
%
Non-interest bearing demand deposits
3,318,952

 
 
 
 
 
3,043,059

 
 
 
 
Other non-interest bearing liabilities
414,842

 
 
 
 
 
408,931

 
 
 
 
Total liabilities
27,309,439

 
 
 
 
 
25,299,916

 
 
 
 
Stockholders' equity
3,064,017

 
 
 
 
 
2,506,584

 
 
 
 
Total liabilities and stockholders' equity
$
30,373,456

 
 
 
 
 
$
27,806,500

 
 
 
 
Net interest income
 
 
$
253,535

 
 
 
 
 
$
240,736

 
 
Interest rate spread
 
 
 
 
3.33
%
 
 
 
 
 
3.54
%
Net interest margin
 
 
 
 
3.56
%
 
 
 
 
 
3.70
%
 
 
(1)
On a tax-equivalent basis where applicable. The tax-equivalent adjustment for tax-exempt loans was $4.2 million and $6.8 million, and the tax-equivalent adjustment for tax-exempt investment securities was $1.5 million and $3.4 million for the three months ended March 31, 2018 and 2017, respectively.
(2)
Annualized.
(3)
At fair value except for securities held to maturity.
The TCJA was signed into law on December 22, 2017, reducing the statutory corporate federal income tax rate from 35 percent to 21 percent, effective January 1, 2018. Tax-equivalent yields on non-covered loans and investment securities were reduced by approximately 0.08% and 0.10%, respectively, and the net interest margin was reduced by approximately 0.08% for the three months ended March 31, 2018 due to the reduction of the statutory corporate federal income tax rate.


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Three months ended March 31, 2018 compared to three months ended March 31, 2017
Net interest income, calculated on a tax-equivalent basis, was $253.5 million for the three months ended March 31, 2018 compared to $240.7 million for the three months ended March 31, 2017, an increase of $12.8 million. The increase in net interest income was comprised of an increase in tax-equivalent interest income of $39.8 million, offset by an increase in interest expense of $27.0 million.
The increase in tax-equivalent interest income was comprised primarily of a $35.1 million increase in interest income from loans and a $4.4 million increase in interest income from investment securities.
Increased interest income from loans was attributable to a $2.0 billion increase in the average balance and a 0.19% increase in the tax-equivalent yield to 5.26% for the three months ended March 31, 2018 from 5.07% for the three months ended March 31, 2017. Offsetting factors contributing to the increase in the yield on loans included:
The tax-equivalent yield on non-covered loans increased to 3.83% for the three months ended March 31, 2018 from 3.62% for the three months ended March 31, 2017. The most significant factor contributing to the increased yield on non-covered loans was an increase in benchmark interest rates, partially offset by the impact of the decline in the statutory federal income tax rate.
Interest income on covered loans totaled $81.3 million and $75.2 million for the three months ended March 31, 2018 and 2017, respectively. The yield on those loans increased to 65.22% for the three months ended March 31, 2018 from 49.83% for the three months ended March 31, 2017, reflecting improvements in expected cash flows for ACI loans. The increase in yield offset the impact of the decline in the average balance of covered loans outstanding.
The impact on the overall yield on loans of increased yields on both covered and non-covered loans considered individually was partially offset by the continued increase in lower-yielding non-covered loans as a percentage of the portfolio. Non-covered loans represented 97.7% of the average balance of loans outstanding for the three months ended March 31, 2018 compared to 96.9% for the three months ended March 31, 2017.
The reduction of the statutory corporate federal income tax rate from 35 percent to 21 percent, effective January 1, 2018, negatively impacted tax-equivalent yields on non-covered loans by approximately 0.08% for the three months ended March 31, 2018, as discussed above.
The average balance of investment securities increased by $520 million for the three months ended March 31, 2018 from the three months ended March 31, 2017, while the tax-equivalent yield increased to 3.04% from 3.01%. The increase in tax-equivalent yield primarily reflects resetting of coupon rates on floating-rate securities, partially offset by the reduction of the statutory corporate federal income tax rate discussed above.
The components of the increase in interest expense for the three months ended March 31, 2018 as compared to the three months ended March 31, 2017 were a $21.6 million increase in interest expense on deposits and a $5.4 million increase in interest expense on FHLB advances.
The increase in interest expense on deposits was attributable to an increase of $2.2 billion in average interest bearing deposits and an increase in the average cost of interest bearing deposits of 0.37% to 1.22% for the three months ended March 31, 2018 from 0.85% for the three months ended March 31, 2017. These cost increases were generally driven by the growth of deposits in competitive markets and a rising short-term interest rate environment.
The increase in interest expense on FHLB advances was primarily a result of an increase in the average cost of advances of 0.60% to 1.66% for the three months ended March 31, 2018 from 1.06% for the three months ended March 31, 2017. The increased cost was driven by increased market rates and an extension of duration of advances.
The net interest margin, calculated on a tax-equivalent basis, for the three months ended March 31, 2018 was 3.56% as compared to 3.70% for the three months ended March 31, 2017. The interest rate spread decreased to 3.33% for the three months ended March 31, 2018 from 3.54% for the three months ended March 31, 2017. The declines in net interest margin and interest rate spread resulted primarily from the cost of interest-bearing liabilities increasing by more than the yield on interest earning assets, resulting from the factors discussed above. Future trends in the net interest margin will be impacted by changes in market interest rates, including changes in the shape of the yield curve, by the mix of interest earning assets, including the decline in covered loans as a percentage of total loans, by changes in the proportion of total funding represented by non-interest bearing deposits and by the Company's ability to manage the cost of funds while growing deposits in competitive markets.

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Table of Contents

Provision for Loan Losses
The provision for loan losses is the amount of expense that, based on our judgment, is required to maintain the ALLL at an adequate level to absorb probable losses inherent in the loan portfolio at the balance sheet date and that, in management’s judgment, is appropriate under GAAP. The determination of the amount of the ALLL is complex and involves a high degree of judgment and subjectivity. Our determination of the amount of the allowance and corresponding provision for loan losses considers ongoing evaluations of the credit quality of and level of credit risk inherent in various segments of the loan portfolio and of individually significant credits, levels of non-performing loans and charge-offs, historical and statistical trends and economic and other relevant factors. See “Analysis of the Allowance for Loan and Lease Losses” below for more information about how we determine the appropriate level of the allowance.
For the three months ended March 31, 2018 and 2017, we recorded provisions for loan losses of $2.9 million and $11.3 million, respectively, related to non-covered loans. The amount of the provision is impacted by loan growth, portfolio mix, historical loss rates, the level of charge-offs and specific reserves for impaired loans, and management's evaluation of qualitative factors in the determination of general reserves.
The most significant factor contributing to the decrease in the provision for loan losses related to non-covered loans for the three months ended March 31, 2018 compared to the three months ended March 31, 2017 was the decline in the provision related to taxi medallion loans. Other offsetting factors contributing to the decline included (i) a net increase in the relative impact on the provision of changes in quantitative and qualitative loss factors; (ii) a decrease in the provision related to specific reserves; and (iii) lower loan growth.
The provision for loan losses related to covered loans was not material for any period presented.
Non-Interest Income
The following table presents a comparison of the categories of non-interest income for the periods indicated (in thousands):
 
Three Months Ended March 31,
 
2018
 
2017
Non-interest income related to the covered assets
$
1,702

 
$
2,752

Deposit service charges and fees
3,487

 
3,203

Gain on sale of non-covered loans, net
1,798

 
2,676

Gain on investment securities, net
364

 
1,636

Lease financing
14,102

 
13,639

Other service charges and fees
2,084

 
1,874

Other non-interest income
4,449

 
2,364

 
$
27,986

 
$
28,144

Refer to the section titled "Impact of the Covered Loans, the FDIC Indemnification Asset and the Loss Sharing Agreements" below for further information about non-interest income related to the covered assets.
Increases in deposit and other service charges and fees for the three months ended March 31, 2018 compared to the three months ended March 31, 2017 corresponded to the growth in deposits and loans.
Gains on sale of non-covered loans, net for the three months ended March 31, 2018 and 2017 related primarily to sales of the guaranteed portions of SBA loans by SBF.
Gain on investment securities, net for the three months ended March 31, 2018 reflected net realized gains of $1.0 million from the sale of investment securities available for sale, offset by the net unrealized loss on equity securities of $0.6 million, which is reported in earnings subsequent to the adoption of ASU 2016-01 effective January 1, 2018.

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Non-Interest Expense
The following table presents the components of non-interest expense for the periods indicated (in thousands):
 
Three Months Ended March 31,
 
2018
 
2017
Employee compensation and benefits
$
67,036

 
$
59,671

Occupancy and equipment
18,832

 
18,609

Amortization of FDIC indemnification asset
40,347

 
44,463

Deposit insurance expense
4,812

 
5,475

Professional fees
2,875

 
5,040

Telecommunications and data processing
3,685

 
3,284

Depreciation of equipment under operating lease
9,316

 
8,017

Other non-interest expense
14,914

 
11,998

 
$
161,817

 
$
156,557

Non-interest expense as a percentage of average assets was 2.2% and 2.3% for the three months ended March 31, 2018 and 2017, respectively. Excluding amortization of the FDIC indemnification asset, non-interest expense as a percentage of average assets was 1.6% for both the three months ended March 31, 2018 and 2017, respectively. The more significant changes in the components of non-interest expense are discussed below.
Employee compensation and benefits
As is typical for financial institutions, employee compensation and benefits represents the single largest component of recurring non-interest expense. Employee compensation and benefits for the three months ended March 31, 2018 increased by $7.4 million compared to the three months ended March 31, 2017. The increase for the three months ended March 31, 2018 primarily reflected an increase in headcount in support of the Company's growth.
Amortization of FDIC indemnification asset
See the section titled "Impact of Covered Loans, the FDIC Indemnification Asset and the Loss Sharing Agreements" below for more information about amortization of the FDIC indemnification asset.
Deposit insurance expense
Deposit insurance expense totaled $4.8 million and $5.5 million respectively, for the three months ended March 31, 2018 and 2017. The decrease primarily reflects a decline in the Bank's assessment rate during the three months ended March 31, 2018.
Other non-interest expense
Other non-interest expense increased by $2.9 million for the three months ended March 31, 2018 as compared to the three months ended March 31, 2017, primarily due to an increase of $2.3 million in the reserve for unfunded commitments and repurchase liabilities. Additional components of other non-interest expense include advertising and promotion, costs related to lending activities and deposit generation, OREO and foreclosure related expenses, regulatory examination assessments, insurance, travel and general office expense.
Impact of the Covered Loans, FDIC Indemnification Asset and the Loss Sharing Agreements
The accounting for covered loans, the indemnification asset and the provisions of the Loss Sharing Agreements impact our financial condition and results of operations. The more significant ways in which our financial statements are impacted are:
Interest income and the net interest margin reflect the impact of accretion related to the covered loans;
Non-interest expense includes the effect of amortization of the FDIC indemnification asset;
The Residential Shared-Loss Agreement affords the Company significant protection against future credit losses related to covered assets. The impact of any provision for loan losses related to the covered loans, losses related to covered OREO and expenses related to resolution of covered assets is significantly mitigated by loss sharing with the FDIC;

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Table of Contents

Under the acquisition method of accounting, the assets acquired and liabilities assumed in the FSB Acquisition were initially recorded on the consolidated balance sheet at their estimated fair values as of the acquisition date. The carrying amounts of covered loans and the FDIC indemnification asset continue to be impacted by acquisition accounting adjustments. The carrying amount of covered loans, particularly ACI loans, is materially less than their UPB. Additionally, no ALLL was recorded with respect to acquired loans at the FSB Acquisition date;
Non-interest income includes gains and losses associated with the resolution of covered assets and the related effect of indemnification under the terms of the Single Family Shared-Loss Agreement. The impact of gains or losses related to transactions in covered assets is significantly mitigated by FDIC indemnification; and
ACI loans that are contractually delinquent may not be reflected as non-accrual loans or non-performing assets due to the accounting treatment accorded such loans under ASC 310-30, "Loans and Debt Securities Acquired with Deteriorated Credit Quality."
The following table summarizes the net impact on pre-tax earnings of transactions in the covered assets for the periods indicated (in thousands):
 
 
Three Months Ended March 31,
 
 
2018
 
2017
Interest income on covered loans
 
$
81,309

 
$
75,153

Amortization of FDIC indemnification asset
 
(40,347
)
 
(44,463
)
 
 
40,962

 
30,690

Income from resolution of covered assets, net
 
3,317

 
7,305

Gain on sale of covered loans, net
 
1,703

 
1,882

Net loss on FDIC indemnification
 
(3,615
)
 
(6,748
)
Other, net
 
(50
)
 
358

 
 
1,355

 
2,797

Net impact on pre-tax earnings of transactions in the covered assets
 
$
42,317

 
$
33,487

 
 
 
 
 
Combined yield on covered loans and indemnification asset (1)
 
20.75
%
 
10.96
%
 
(1)
The combined yield on the covered loans and the FDIC indemnification asset presented above is calculated as the interest income on the covered loans, net of the amortization of the FDIC indemnification asset, divided by the average combined balance of the covered loans and FDIC indemnification asset.
Interest income on covered loans and amortization of the FDIC indemnification asset
The yield on covered loans increased to 65.22% for the three months ended March 31, 2018 from 49.83% for the three months ended March 31, 2017, respectively. See "Net Interest Income" above for further discussion of trends in interest income and yields on the covered loan portfolio.
The FDIC indemnification asset was initially recorded at its estimated fair value at the date of the FSB Acquisition, representing the present value of estimated future cash payments from the FDIC for probable losses on covered assets. As projected cash flows from the ACI loans have improved, the yield on the loans has increased accordingly and the estimated future cash payments from the FDIC have decreased. This change in estimated cash flows from the FDIC is recognized prospectively, consistent with the recognition of the estimated increased cash flows from the ACI loans. As a result, the FDIC indemnification asset is being amortized to the amount of the estimated future cash payments from the FDIC. The average rate at which the FDIC indemnification asset was amortized increased to 58.42% for the three months ended March 31, 2018 from 36.38% for the three months ended March 31, 2017, corresponding to the increases in the yield on covered loans. Although the amortization rate increased, total amortization expense declined for the three months ended March 31, 2018 compared to the three months ended March 31, 2017 due to the reduction in the average balance of the indemnification asset.
The yield on covered loans will continue to increase if estimated cash flows from the ACI loans continue to improve; correspondingly, the rate of amortization on the FDIC indemnification asset will continue to increase if estimated future cash payments from the FDIC decrease. The amount of amortization is impacted by both the change in the amortization rate and the decrease in the average balance of the indemnification asset. As we continue to submit claims under the Residential Shared-Loss Agreement and recognize periodic amortization, the balance of the indemnification asset will continue to decline. See Note 5 to the consolidated financial statements for a rollforward of the FDIC indemnification asset for the three months ended March 31, 2018 and the year ended December 31, 2017.

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The following table presents the carrying value of the FDIC indemnification asset, expected future amortization of the asset, and the estimated future cash flows from the FDIC at the dates indicated (in thousands):
 
March 31, 2018
 
December 31, 2017
FDIC indemnification asset
$
249,637

 
$
295,635

Less expected amortization
(131,512
)
 
(140,830
)
Amount expected to be collected from the FDIC
$
118,125

 
$
154,805

The amount of expected amortization will be amortized to non-interest expense using the effective interest method over the period during which cash flows from the FDIC are expected to be collected, which is limited to the lesser of the contractual term of the Single Family Shared-Loss Agreement and the expected remaining life of the indemnified assets.
The table below presents, at March 31, 2018, estimated future accretion on covered loans and estimated future amortization of the FDIC indemnification asset, through the expected termination date of the Single Family Shared-Loss Agreement (in thousands):
Future estimated accretion on covered loans
$
406,006

Future estimated amortization of the indemnification asset
(131,512
)
Net estimated cumulative impact on future pre-tax earnings
$
274,494

These amounts are based on current estimates of expected future cash flows from the covered loans and the FDIC; actual results may differ from these estimates. We are currently forecasting the sale of substantially all of the then remaining covered assets in 2019, consistent with the expected termination date of the Single Family Shared-Loss Agreement. Concurrently, we expect the balance of the FDIC indemnification asset to decline to zero.
Non-interest income related to the covered assets
The most significant components of non-interest income related to the covered assets are Income from resolution of covered assets, Gain (loss) on sale of covered loans and the related Loss on indemnification asset.
Covered loans may be resolved through prepayment, short sale of the underlying collateral, foreclosure, sale of the loans or charge-off. For loans resolved through prepayment, short sale or foreclosure, the difference between consideration received in resolution of the loans and the allocated carrying value of the loans is recorded in the consolidated statement of income line item “Income from resolution of covered assets, net.” Both gains and losses on individual resolutions are included in this line item. For loans resolved through sale of the loans, the difference between consideration received and the allocated carrying value of the loans is recorded in the consolidated statement of income line item "Gain (loss) on sale of loans, net." Losses from the resolution of covered loans increase the amount recoverable from the FDIC under the Single-Family Shared Loss Agreement. Gains from the resolution of covered loans reduce the amount recoverable from the FDIC under the Single-Family Shared Loss Agreement. These additions to or reductions in amounts recoverable from the FDIC related to the resolution of covered loans are recorded in non-interest income in the line item “Net loss on FDIC indemnification” and reflected as corresponding increases or decreases in the FDIC indemnification asset. The amount of income or loss recorded in any period will be impacted by the amount of covered loans resolved, the amount of consideration received, and our ability to accurately project cash flows from ACI loans in future periods.
For the three months ended March 31, 2018 and 2017, the substantial majority of Income from resolution of covered assets, net, resulted from payments in full. Decreases in Income from resolution of covered assets, net, reflected decreases in both the number of resolutions and the average income per resolution.
The following table summarizes the gain (loss) recorded on the sale of covered residential loans and the impact of related FDIC indemnification for the periods indicated (in thousands):
 
Three Months Ended March 31,
 
2018
 
2017
Net gain on sale of covered loans
$
1,703

 
$
1,882

Net loss on FDIC indemnification
(1,358
)
 
(1,502
)
Net impact on pre-tax earnings
$
345

 
$
380


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Table of Contents

Pricing received on the sale of covered loans may vary based on (i) market conditions, including the interest rate environment, the amount of capital seeking investment and the secondary supply of loans with a particular performance history or collateral type, (ii) the type and quality of collateral, (iii) the performance history of loans included in the sale and (iv) whether or not the loans have been modified. We anticipate that we will continue to exercise our right to sell covered residential loans on a quarterly basis in the future.
Other items of non-interest income and expense related to the covered assets
Other items of non-interest income and expense related to the covered assets, comprising the line item "Other, net" in the table above presenting the impact on pre-tax earnings of transactions in the covered assets, include the provision for (recovery of) covered loan losses; foreclosure expenses related to covered assets; gains, losses and other expenses related to covered OREO; FDIC reimbursement of certain expenses related to resolution of covered assets, and modification incentives. None of these items had a material impact on results of operations for any period presented.
Income Taxes
The provision for income taxes for the three months ended March 31, 2018 and 2017 was $25.6 million and $27.8 million, respectively. The Company’s effective income tax rate was 23.1% and 30.8% for the three months ended March 31, 2018 and 2017, respectively. The decline in the effective income tax rate was attributable to a reduction in the federal corporate statutory rate from 35% to 21%. The effective income tax rate differed from the statutory rates of 21% during the three months ended March 31, 2018 and 35% during the three months ended March 31, 2017 due primarily to the effect of state income taxes, offset by income not subject to tax.
For more information about income taxes, see Note 6 to the consolidated financial statements.
Analysis of Financial Condition
Average interest-earning assets increased $2.4 billion to $28.6 billion for the three months ended March 31, 2018 from $26.2 billion for the three months ended March 31, 2017. This increase was driven by a $2.0 billion increase in the average balance of outstanding loans and a $520 million increase in the average balance of investment securities. The increase in average loans reflected growth of $2.1 billion in average non-covered loans outstanding, partially offset by a $105 million decrease in the average balance of covered loans. The $134 million increase in average non-interest earning assets was primarily attributed to an increase in income taxes receivable related to a discrete income tax benefit recognized during the fourth quarter of 2017, partially offset by a quarter over quarter decrease in the average balance of the FDIC indemnification asset. Growth in interest earning assets, resolution of covered loans and declines in the amount of the FDIC indemnification asset are trends that are expected to continue.
Average interest bearing liabilities increased $1.7 billion to $23.6 billion for the three months ended March 31, 2018 from $21.8 billion for the three months ended March 31, 2017, due to increases of $2.2 billion in average interest bearing deposits, offset by a decrease of $489 million in average FHLB advances. Average non-interest bearing deposits increased by $276 million. We expect growth in average deposits to continue, corresponding to anticipated growth in interest earning assets.
Average stockholders' equity increased by $557 million, due primarily to the retention of earnings, including the discrete income tax benefit recorded during the fourth quarter of 2017, and also reflecting proceeds from the exercise of stock options, partially offset by the repurchase of common stock.

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Table of Contents

Investment Securities
The following table shows the amortized cost and fair value of investment securities as of the dates indicated (in thousands):
 
March 31, 2018
 
December 31, 2017
 
Amortized
Cost
 
Fair
Value
 
Amortized
Cost
 
Fair
Value
U.S. Treasury securities
$
24,993

 
$
24,973

 
$
24,981

 
$
24,953

U.S. Government agency and sponsored enterprise residential MBS
2,043,011

 
2,063,747

 
2,043,373

 
2,058,027

U.S. Government agency and sponsored enterprise commercial MBS
228,592

 
227,792

 
233,522

 
234,508

Private label residential MBS and CMOs
716,690

 
720,698

 
613,732

 
628,247

Private label commercial MBS
1,101,377

 
1,107,086

 
1,033,022

 
1,046,415

Single family rental real estate-backed securities
469,927

 
470,008

 
559,741

 
562,706

Collateralized loan obligations
820,453

 
823,629

 
720,429

 
723,681

Non-mortgage asset-backed securities
233,927

 
234,274

 
119,939

 
121,747

State and municipal obligations
476,816

 
478,084

 
640,511

 
657,203

SBA securities
511,459

 
522,836

 
534,534

 
550,682

Other debt securities
4,122

 
9,504

 
4,090

 
9,120

Marketable equity securities
62,870

 
62,870

 
59,912

 
63,543

Investment securities held to maturity
10,000

 
10,000

 
10,000

 
10,000

 
$
6,704,237

 
$
6,755,501

 
$
6,597,786

 
$
6,690,832

Our investment strategy has focused on insuring adequate liquidity, adding a suitable balance of high credit quality, diversifying assets to the consolidated balance sheet, managing interest rate risk, and generating acceptable returns given our established risk parameters. We have sought to maintain liquidity by investing a significant portion of the portfolio in high quality liquid securities including U.S. Treasury securities, SBA securities and U.S. Government agency MBS. Investment grade municipal securities provide liquidity along with higher tax-equivalent yields at longer durations than the portfolio in general. We have also invested in highly rated structured products that, while somewhat less liquid, provide us with attractive yields. Relatively short effective portfolio duration helps mitigate interest rate risk. The weighted average expected life of the investment portfolio as of March 31, 2018 was 4.8 years and the effective duration was 1.5 years.

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Table of Contents

The following table shows the scheduled maturities, carrying values and current yields for investment securities available for sale as of March 31, 2018, as well as the carrying value and yield of marketable equity securities. Scheduled maturities have been adjusted for anticipated prepayments of MBS and other pass through securities. Yields on tax-exempt securities have been calculated on a tax-equivalent basis, based on a federal income tax rate of 21% (dollars in thousands):
 
Within One Year
 
After One Year
Through Five Years
 
After Five Years
Through Ten Years
 
After Ten Years
 
Total
 
Carrying
Value
 
Weighted
Average
Yield
 
Carrying
Value
 
Weighted
Average
Yield
 
Carrying
Value
 
Weighted
Average
Yield
 
Carrying
Value
 
Weighted
Average
Yield
 
Carrying
Value
 
Weighted
Average
Yield
U.S. Treasury securities
$
24,973

 
1.19
%
 
$

 
%
 
$

 
%
 
$

 
%
 
$
24,973

 
1.19
%
U.S. Government agency and sponsored enterprise residential MBS
311,972

 
3.22
%
 
808,837

 
2.85
%
 
792,218

 
2.76
%
 
150,720

 
2.76
%
 
2,063,747

 
2.87
%
U.S. Government agency and sponsored enterprise commercial MBS
5,947

 
3.54
%
 
39,694

 
3.57
%
 
93,610

 
2.99
%
 
88,541

 
3.03
%
 
227,792

 
3.12
%
Private label residential MBS and CMOs
148,261

 
3.70
%
 
394,000

 
3.60
%
 
143,872

 
3.64
%
 
34,565

 
3.83
%
 
720,698

 
3.64
%
Private label commercial MBS
69,602

 
3.96
%
 
822,496

 
3.89
%
 
202,270

 
3.30
%
 
12,718

 
3.45
%
 
1,107,086

 
3.78
%
Single family rental real estate-backed securities
2,078

 
3.11
%
 
420,109

 
3.34
%
 
47,821

 
3.17
%
 

 
%
 
470,008

 
3.32
%
Collateralized loan obligations
14,505

 
4.28
%
 
485,726

 
4.27
%
 
323,398

 
3.96
%
 

 
%
 
823,629

 
4.15
%
Non-mortgage asset-backed securities
61,461

 
3.44
%
 
99,068

 
3.47
%
 
68,652

 
2.96
%
 
5,093

 
2.87
%
 
234,274

 
3.30
%
State and municipal obligations

 
%
 
27,157

 
2.47
%
 
376,719

 
3.67
%
 
74,208

 
4.27
%
 
478,084

 
3.69
%
SBA securities
102,372

 
2.73
%
 
235,310

 
2.64
%
 
120,692

 
2.58
%
 
64,462

 
2.53
%
 
522,836

 
2.63
%
Other debt securities

 
%
 

 
%
 
1,887

 
9.76
%
 
7,617

 
10.82
%
 
9,504

 
10.53
%
 
$
741,171

 
3.29
%
 
$
3,332,397

 
3.47
%
 
$
2,171,139

 
3.23
%
 
$
437,924

 
3.21
%
 
6,682,631

 
3.36
%
Marketable equity securities with no scheduled maturity
 

 
 

 
 

 
 

 
 

 
 

 
 

 
 

 
62,870

 
7.08
%
Total investment securities available for sale and marketable equity securities
 

 
 

 
 

 
 

 
 

 
 

 
 

 
 

 
$
6,745,501

 
3.39
%
The investment securities available for sale portfolio was in a net unrealized gain position of $51.3 million at March 31, 2018 with aggregate fair value equal to 100.8% of amortized cost. Net unrealized gains included $74.3 million of gross unrealized gains and $23.0 million of gross unrealized losses. Investment securities available for sale in an unrealized loss position at March 31, 2018 had an aggregate fair value of $1.6 billion. At March 31, 2018, 97.7% of investment securities available for sale were backed by the U.S. Government, U.S. Government agencies or sponsored enterprises or were rated AAA, AA or A, based on the most recent third-party ratings. Investment securities available for sale totaling $17 million were rated below investment grade or not rated at March 31, 2018, all of which were acquired in the FSB Acquisition and substantially all of which were in unrealized gain positions at March 31, 2018.
We evaluate the credit quality of individual securities in the portfolio quarterly to determine whether any of the investments in unrealized loss positions are other-than-temporarily impaired. This evaluation considers, but is not necessarily limited to, the following factors, the relative significance of which varies depending on the circumstances pertinent to each individual security:
our intent to hold the security until maturity or for a period of time sufficient for a recovery in value;
whether it is more likely than not that we will be required to sell the security prior to recovery of its amortized cost basis;
the length of time and extent to which fair value has been less than amortized cost;
adverse changes in expected cash flows;
collateral values and performance;
the payment structure of the security, including levels of subordination or over-collateralization;
changes in the economic or regulatory environment;
the general market condition of the geographic area or industry of the issuer;

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the issuer’s financial condition, performance and business prospects; and
changes in credit ratings.
No securities were determined to be other-than-temporarily impaired at March 31, 2018 and 2017, or during the three months then ended.
We do not intend to sell securities in significant unrealized loss positions at March 31, 2018. Based on an assessment of our liquidity position and internal and regulatory guidelines for permissible investments and concentrations, it is not more likely than not that we will be required to sell securities in significant unrealized loss positions prior to recovery of amortized cost basis. The severity of impairment of individual securities in the portfolio is generally not material. Unrealized losses in the portfolio at March 31, 2018 were primarily attributable to an increase in market interest rates subsequent to the date the securities were acquired.
The timely repayment of principal and interest on U.S. Treasury and U.S. Government agency and sponsored enterprise securities in unrealized loss positions is explicitly or implicitly guaranteed by the full faith and credit of the U.S. Government. Management performed projected cash flow analyses of the private label residential MBS and CMOs and private label commercial MBS in unrealized loss positions, incorporating CUSIP level assumptions consistent with the collateral characteristics of each security including collateral default rate, voluntary prepayment rate, severity and delinquency assumptions. Based on the results of this analysis, no credit losses were projected. Management's analysis of the credit characteristics of individual securities and the underlying collateral and levels of subordination for each of the single family rental real estate-backed securities in unrealized loss positions is not indicative of projected credit losses. Management's analysis of the state and municipal obligations in unrealized loss positions included reviewing the ratings of the securities and the results of credit surveillance performed by an independent third party. Given the expectation of timely repayment of principal and interest and the generally limited severity of impairment, the impairments were considered to be temporary.
For further discussion of our analysis of investment securities for OTTI, see Note 3 to the consolidated financial statements.
We use third-party pricing services to assist us in estimating the fair value of investment securities. We perform a variety of procedures to ensure that we have a thorough understanding of the methodologies and assumptions used by the pricing services including obtaining and reviewing written documentation of the methods and assumptions employed, conducting interviews with valuation desk personnel and reviewing model results and detailed assumptions used to value selected securities as considered necessary. Our classification of prices within the fair value hierarchy is based on an evaluation of the nature of the significant assumptions impacting the valuation of each type of security in the portfolio. We have established a robust price challenge process that includes a review by our treasury front office of all prices provided on a monthly basis. Any price evidencing unexpected month over month fluctuations or deviations from our expectations based on recent observed trading activity and other information available in the marketplace that would impact the value of the security is challenged. Responses to the price challenges, which generally include specific information about inputs and assumptions incorporated in the valuation and their sources, are reviewed in detail. If considered necessary to resolve any discrepancies, a price will be obtained from an additional independent valuation specialist. We do not typically adjust the prices provided, other than through this established challenge process. Our primary pricing services utilize observable inputs when available, and employ unobservable inputs and proprietary models only when observable inputs are not available. As a matter of course, the services validate prices by comparison to recent trading activity whenever such activity exists. Quotes obtained from the pricing services are typically non-binding.
We have also established a quarterly price validation process to assess the propriety of the pricing methodologies utilized by our primary pricing services by independently verifying the prices of a sample of securities in the portfolio. Sample sizes vary based on the type of security being priced, with higher sample sizes applied to more difficult to value security types. Verification procedures may consist of obtaining prices from an additional outside source or internal modeling, generally based on Intex. We have established acceptable percentage deviations from the price provided by the initial pricing source. If deviations fall outside the established parameters, we will obtain and evaluate more detailed information about the assumptions and inputs used by each pricing source or, if considered necessary, employ an additional valuation specialist to price the security in question. Pricing issues identified through this evaluation are addressed with the applicable pricing service and methodologies or inputs are revised as determined necessary. Depending on the results of the validation process, sample sizes may be extended for particular classes of securities. Results of the validation process are reviewed by the treasury front office and by senior management.
The majority of our investment securities are classified within level 2 of the fair value hierarchy. U.S. Treasury securities and equity securities are classified within level 1 of the hierarchy. At March 31, 2018 and December 31, 2017, 0.7% and 0.9%, respectively, of our investment securities were classified within level 3 of the fair value hierarchy. Securities classified within

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level 3 of the hierarchy at March 31, 2018 included certain private label residential MBS and trust preferred securities. These securities were classified within level 3 of the hierarchy because proprietary assumptions related to voluntary prepayment rates, default probabilities, loss severities and discount rates were considered significant to the valuation. There were no transfers of investment securities between levels of the fair value hierarchy during the three months ended March 31, 2018 and 2017.
For additional discussion of the fair values of investment securities, see Note 10 to the consolidated financial statements.
Loans Held for Sale
Loans held for sale at March 31, 2018 and December 31, 2017 included $46 million and $34 million, respectively, of commercial loans originated by SBF with the intent to sell in the secondary market. Commercial loans held for sale are comprised of the portion of loans guaranteed by U.S. government agencies, primarily the SBA. Loans are generally sold with servicing retained. Servicing activity did not have a material impact on the results of operations for the three months ended March 31, 2018 and 2017.
Loans
The loan portfolio comprises the Company’s primary interest-earning asset. The following tables show the composition of the loan portfolio and the breakdown of the portfolio among non-covered loans, covered ACI loans and covered non-ACI loans at the dates indicated (dollars in thousands):
 
March 31, 2018
 

 
Covered Loans
 
 
 
Percent of Total
 
Non-Covered Loans
 
ACI
 
Non-ACI
 
Total
 
Residential and other consumer:
 

 
 

 
 

 
 

 
 

1-4 single family residential
$
4,280,191

 
$
456,623

 
$
25,543

 
$
4,762,357

 
22.2
%
Home equity loans and lines of credit
1,674

 

 
331

 
2,005

 
%
Other consumer loans
19,796

 

 

 
19,796

 
0.1
%
 
4,301,661

 
456,623

 
25,874

 
4,784,158

 
22.3
%
Commercial:
 
 
 
 
 
 
 
 
 
Multi-family
3,105,788

 

 

 
3,105,788

 
14.5
%
Non-owner occupied commercial real estate
4,523,260

 

 

 
4,523,260

 
21.0
%
Construction and land
294,680

 

 

 
294,680

 
1.4
%
Owner occupied commercial real estate
2,007,443

 

 

 
2,007,443

 
9.4
%
Commercial and industrial
4,124,943

 

 

 
4,124,943

 
19.3
%
Commercial lending subsidiaries
2,581,769

 

 

 
2,581,769

 
12.1
%
 
16,637,883

 

 

 
16,637,883

 
77.7
%
Total loans
20,939,544

 
456,623

 
25,874

 
21,422,041

 
100.0
%
Premiums, discounts and deferred fees and costs, net
48,113

 

 
(3,333
)
 
44,780

 
 
Loans including premiums, discounts and deferred fees and costs
20,987,657

 
456,623

 
22,541

 
21,466,821

 
 
Allowance for loan and lease losses
(136,958
)
 

 
(518
)
 
(137,476
)
 
 
Loans, net
$
20,850,699

 
$
456,623

 
$
22,023

 
$
21,329,345

 
 
 



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December 31, 2017
 

 
Covered Loans
 
 
 
Percent of Total
 
Non-Covered Loans
 
ACI
 
Non-ACI
 
Total
 
Residential and other consumer:
 

 
 

 
 

 
 

 
 

1-4 single family residential
$
4,116,814

 
$
479,068

 
$
26,837

 
$
4,622,719

 
21.6%

Home equity loans and lines of credit
1,654

 

 
361

 
2,015

 
0.0%

Other consumer loans
20,512

 

 

 
20,512

 
0.1%

 
4,138,980

 
479,068

 
27,198

 
4,645,246

 
21.7
%
Commercial:
 
 
 
 
 
 
 
 
 
Multi-family
3,215,697

 

 

 
3,215,697

 
15.0%

Non-owner occupied commercial real estate
4,485,276

 

 

 
4,485,276

 
21.0%

Construction and land
310,999

 

 

 
310,999

 
1.5%

Owner occupied commercial real estate
2,014,908

 

 

 
2,014,908

 
9.4%

Commercial and industrial
4,145,785

 

 

 
4,145,785

 
19.4%

Commercial lending subsidiaries
2,553,576

 

 

 
2,553,576

 
12.0%

 
16,726,241

 

 

 
16,726,241

 
78.3
%
Total loans
20,865,221

 
479,068

 
27,198

 
21,371,487

 
100.0%

Premiums, discounts and deferred fees and costs, net
48,165

 

 
(3,148
)
 
45,017

 
 
Loans including premiums, discounts and deferred fees and costs
20,913,386

 
479,068

 
24,050

 
21,416,504

 
 
Allowance for loan and lease losses
(144,537
)
 

 
(258
)
 
(144,795
)
 
 
Loans, net
$
20,768,849

 
$
479,068

 
$
23,792

 
$
21,271,709

 
 
Total loans, including premiums, discounts and deferred fees and costs, increased by $50 million to $21.5 billion at March 31, 2018, from $21.4 billion at December 31, 2017. Non-covered loans grew by $74 million while covered loans declined by $24 million from December 31, 2017 to March 31, 2018. Non-covered residential and other consumer loans grew by $164 million and non-covered commercial loans declined by $90 million during the three months ended March 31, 2018.
Growth in non-covered loans, including premiums, discounts and deferred fees and costs for the three months ended March 31, 2018 reflected an increase of $55 million for the Florida franchise, a decrease of $139 million for the New York franchise and an increase of $158 million for the national platforms. The decline in balances for the New York franchise reflected management's decision to reduce our multi-family concentration in New York. We expect the balance of the New York multi-family portfolio to continue to decline in the near-term, and other major portfolio segments to continue to grow across geographies. Actual results will be dependent on our continual evaluation of relative risk and return and on market and competitive conditions.

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The following tables show the composition of the non-covered loan portfolio and the breakdown among the Florida and New York franchises and national platforms at the dates indicated. Amounts include premiums, discounts and deferred fees and costs (dollars in thousands):
 
March 31, 2018
 
Florida
 
New York
 
National
 
Total
Residential and other consumer
$
19,840

 
$
1,595

 
$
4,338,911

 
$
4,360,346

Commercial:
 
 
 
 
 
 
 
Multi-family
591,088

 
2,517,773

 

 
3,108,861

Non-owner occupied commercial real estate
2,791,478

 
1,622,879

 
98,288

 
4,512,645

Construction and land
156,672

 
121,785

 
15,704

 
294,161

Owner occupied commercial real estate
1,117,398

 
786,557

 
101,244

 
2,005,199

Commercial and industrial
2,736,178

 
923,850

 
455,894

 
4,115,922

Commercial lending subsidiaries

 

 
2,590,523

 
2,590,523

 
$
7,412,654

 
$
5,974,439

 
$
7,600,564

 
$
20,987,657

 
35.3
%
 
28.5
%
 
36.2
%
 
100.0
%
 
December 31, 2017
 
Florida
 
New York
 
National
 
Total
Residential and other consumer:
$
20,779

 
$
1,348

 
$
4,173,953

 
$
4,196,080

Commercial:
 
 
 
 
 
 
 
Multi-family
580,599

 
2,638,354

 

 
3,218,953

Non-owner occupied commercial real estate
2,805,820

 
1,572,884

 
96,097

 
4,474,801

Construction and land
149,658

 
145,702

 
15,124

 
310,484

Owner occupied commercial real estate
1,116,249

 
790,993

 
105,500

 
2,012,742

Commercial and industrial
2,684,524

 
963,886

 
489,417

 
4,137,827

Commercial lending subsidiaries

 

 
2,562,499

 
2,562,499

 
$
7,357,629

 
$
6,113,167

 
$
7,442,590

 
$
20,913,386

 
35.2
%
 
29.2
%
 
35.6
%
 
100.0
%
Included in multi-family and non-owner occupied commercial real estate loans above at March 31, 2018 were $176 million and $52 million, respectively, in re-positioning loans. These loans, substantially all of which are in New York, provided financing for some level of improvements by the borrower to the underlying collateral to enhance the cash flow generating capacity of the collateral. The primary purpose of these loans was not for construction.
Residential mortgages and other consumer loans
Residential mortgages and other consumer loans totaled $4.8 billion, or 22.3% of total loans, at March 31, 2018 and $4.6 billion, or 21.7% of total loans, at December 31, 2017.
The non-covered 1-4 single family residential loan portfolio is primarily comprised of loans purchased on a national basis through established correspondent channels. The portfolio also includes loans originated through retail channels in our Florida and New York geographic footprint prior to the termination of our retail residential mortgage origination business in 2016. All non-covered 1-4 single family residential loans are managed together and reported as part of the national platform in the disclosures above. Non-covered 1-4 single family residential mortgage loans are primarily closed-end, first lien jumbo mortgages for the purchase or re-finance of owner occupied property. The loans have terms ranging from 10 to 30 years, with either fixed or adjustable interest rates. At March 31, 2018, $98 million or 2.3% of non-covered residential mortgage loans were interest-only loans, substantially all of which begin amortizing 10 years after origination.
During the three months ended March 31, 2018, the Company began acquiring non-performing FHA and VA insured mortgages from third party servicers. Loans that re-perform, either through modification or self-cure, may be eligible for re-securitization. During three months ended March 31, 2018 the Company purchased approximately $39.4 million of loans under this program and sold loans with an outstanding balance of $3.2 million. The Company is not the servicer of these loans.

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We do not originate or acquire option ARMs, “no-doc” or “reduced-doc” mortgages and do not utilize wholesale mortgage origination channels although the covered loan portfolio contains loans with these characteristics. The Company’s exposure to future losses on these mortgage loans is mitigated by the Single Family Shared-Loss Agreement.
The following charts present the distribution of the non-covered 1-4 single family residential mortgage portfolio, excluding government insured residential loans, by interest rate terms and contractual lives at the dates indicated:
newloansbytypea01.jpg
 
(1)
Fixed-rate loans with contractual terms of 20 years comprise less than 4% of the total at both March 31, 2018 and December 31, 2017 are reported with 15 year fixed above.
The geographic concentration of the non-covered 1-4 single family residential portfolio is summarized as follows at the dates indicated (dollars in thousands):
 
March 31, 2018
 
December 31, 2017
California
$
1,134,460

 
26.1
%
 
$
1,094,058

 
26.2
%
New York
912,216

 
21.0
%
 
873,360

 
20.9
%
Florida
557,692

 
12.9
%
 
552,556

 
13.2
%
Virginia
181,636

 
4.2
%
 
181,912

 
4.4
%
Others (1)
1,552,907

 
35.8
%
 
1,472,067

 
35.3
%
 
$
4,338,911

 
100.0
%
 
$
4,173,953

 
100.0
%
 
(1)
No other state represented borrowers with more than 4.0% of 1-4 single family residential loans outstanding at March 31, 2018 or December 31, 2017.
Home equity loans and lines of credit are not significant.
Other consumer loans are comprised primarily of consumer installment financing, loans secured by certificates of deposit, unsecured personal lines of credit and demand deposit account overdrafts.
Commercial loans and leases
The commercial portfolio segment includes loans secured by multi-family properties, loans secured by both owner-occupied and non-owner occupied commercial real estate, a limited amount of construction and land loans, commercial and industrial loans and direct financing leases. Management’s loan origination strategy is heavily focused on the commercial portfolio segment, which comprised 79.4% and 80.2% of non-covered loans as of March 31, 2018 and December 31, 2017, respectively.

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Commercial real estate loans include term loans secured by owner and non-owner occupied income producing properties including rental apartments, mixed-use properties, industrial properties, retail shopping centers, free-standing single-tenant buildings, office buildings, warehouse facilities and hotels as well as real estate secured lines of credit.
The following charts present the distribution of non-owner occupied commercial real estate by product type at the dates indicated:
crenonowneroccupiedv2a01.jpg
The Company’s commercial real estate underwriting standards generally provide for loan terms of five to ten years, with amortization schedules of no more than thirty years. LTV ratios are typically limited to no more than 80%. Owner-occupied commercial real estate loans typically have risk profiles more closely aligned with that of commercial and industrial loans than with other types of commercial real estate loans. Construction and land loans represented only 1.4% of the total loan portfolio at March 31, 2018. Construction and land loans are generally made for projects expected to stabilize within eighteen months of completion in sub-markets with strong fundamentals and, to a lesser extent, for-sale residential projects to experienced developers with a strong cushion between market prices and loan basis.
Commercial and industrial loans are typically made to small, middle market and larger corporate businesses and include equipment loans, secured and unsecured working capital facilities, formula-based loans, trade finance, mortgage warehouse lines, SBA product offerings and business acquisition finance credit facilities. These loans may be structured as term loans, typically with maturities of five to ten years, or revolving lines of credit which may have multi-year maturities. The Bank also provides financing to state and local governmental entities within its geographic footprint. Commercial loans include shared national credits totaling $1.6 billion at March 31, 2018, typically relationship based loans to borrowers in Florida and New York.
Through its commercial lending subsidiaries, Pinnacle and Bridge, the Bank provides equipment and franchise financing on a national basis using both loan and lease structures. Pinnacle provides financing to state and local governmental entities directly and through vendor programs and alliances. Pinnacle offers a full array of financing structures including equipment lease purchase agreements and direct (private placement) bond re-fundings and loan agreements. Bridge has two operating divisions. The franchise finance division offers franchise acquisition, expansion and equipment financing, typically to experienced operators in well-established concepts. The equipment finance division provides primarily transportation equipment financing through a variety of loan and lease structures. The Bank's SBF unit primarily originates SBA guaranteed commercial and commercial real estate loans, generally selling the guaranteed portion in the secondary market and retaining the unguaranteed portion in portfolio. The Bank engages in mortgage warehouse lending on a national basis.

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The following table presents the recorded investment in loans and direct finance leases held for investment for each of our national commercial lending platforms at the dates indicated (in thousands):
 
March 31, 2018
 
December 31, 2017
Pinnacle
$
1,516,820

 
$
1,524,650

Bridge franchise finance
457,914

 
434,582

Bridge equipment finance
615,788

 
603,267

SBF
246,678

 
246,750

Mortgage warehouse lending
424,452

 
459,388

 
$
3,261,652

 
$
3,268,637

The geographic concentration of the commercial loans and direct financing leases in the national platforms is summarized as follows at the dates indicated. Amounts include premiums, discounts and deferred fees and costs (dollars in thousands):
 
March 31, 2018
 
December 31, 2017
Florida
$
626,136

 
19.2
%
 
$
639,474

 
19.6
%
California
457,955

 
14.0
%
 
486,733

 
14.9
%
Arizona
171,183

 
5.2
%
 
175,704

 
5.4
%
Texas
159,147

 
4.9
%
 
160,606

 
4.9
%
Utah
157,557

 
4.8
%
 
123,027

 
3.8
%
Iowa
152,391

 
4.7
%
 
151,935

 
4.6
%
North Carolina
141,623

 
4.3
%
 
147,987

 
4.5
%
Virginia
136,935

 
4.2
%
 
148,884

 
4.6
%
All others (1)
1,258,726

 
38.7
%
 
1,234,287

 
37.7
%
 
$
3,261,653

 
100.0
%
 
$
3,268,637

 
100.0
%
 
(1)
No other state represented borrowers with more than 5.0% of loans outstanding at March 31, 2018 or December 31, 2017.
Equipment under Operating Lease
Equipment under operating lease totaled $591 million at March 31, 2018. The portfolio consisted primarily of railcars, non-commercial aircraft and other transport equipment. We have a total of 5,339 railcars with a carrying value of $434 million at March 31, 2018, including hoppers, tank cars, boxcars, auto carriers, center beams and gondolas leased to North American commercial end-users. The largest concentrations of rail cars were 2,085 hopper cars and 1,682 tank cars, primarily used to ship sand and petroleum products, respectively, for the energy industry. Equipment with a carrying value of $272 million at March 31, 2018 was leased to companies for use in the energy industry.
Asset Quality
Non-covered Loans and Leases
Commercial Loans
We have a robust credit risk management framework, an experienced team to lead the workout and recovery process for the commercial and commercial real estate portfolios and a dedicated internal credit review function. Loan performance is monitored by our credit administration and workout and recovery departments. Generally, commercial relationships with balances in excess of defined thresholds are re-evaluated at least annually and more frequently if circumstances indicate that a change in risk rating may be warranted. The defined thresholds range from $1 million to $3 million. Homogenous groups of smaller balance commercial loans may be monitored collectively. Additionally, commercial loans are regularly reviewed by our internal credit review department. The Company utilizes a 13 grade internal asset risk classification system as part of its efforts to monitor and maintain commercial asset quality. Loans exhibiting potential credit weaknesses that deserve management’s close attention and that if left uncorrected may result in deterioration of the repayment capacity of the borrower are categorized as special mention. These borrowers may exhibit negative financial trends or erratic financial performance, strained liquidity, marginal collateral coverage, declining industry trends or weak management. Loans with well-defined credit weaknesses that

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may result in a loss if the deficiencies are not corrected are assigned a risk rating of substandard. These borrowers may exhibit payment defaults, inadequate cash flows, operating losses, increasing balance sheet leverage, project cost overruns, unreasonable construction delays, exhausted interest reserves, declining collateral values, frequent overdrafts or past due real estate taxes. Loans with weaknesses so severe that collection in full is highly questionable or improbable, but because of certain reasonably specific pending factors have not been charged off, are assigned an internal risk rating of doubtful.
We believe internal risk rating is the best indicator of the credit quality of commercial loans. The following table summarizes the Company's commercial credit exposure, based on internal risk rating, at the dates indicated (in thousands):
 
March 31, 2018
 
December 31, 2017
 
Balance
 
Percent of Total
 
Balance
 
Percent of Total
Pass
$
16,099,005

 
96.8
%
 
$
16,189,392

 
96.8
%
Special mention
206,138

 
1.2
%
 
183,234

 
1.1
%
Substandard (1)
319,212

 
1.9
%
 
338,405

 
2.0
%
Doubtful
2,956

 
0.1
%
 
6,275

 
0.1
%
 
$
16,627,311

 
100.0
%
 
$
16,717,306

 
100.0
%
 
(1)
The balance of substandard loans at March 31, 2018 and December 31, 2017 included $98 million and $105 million, respectively, of taxi medallion finance loans. Criticized and classified loans represented 3.2% of the commercial loan portfolio, of which 0.6% were taxi medallion loans, at March 31, 2018. See Note 4 to the consolidated financial statements for more detailed information about risk rating of commercial loans.
Taxi Medallion Finance
The commercial and industrial loan portfolio includes exposure to taxi medallion finance of $98 million at March 31, 2018. The estimated value of underlying taxi medallion collateral and liquidity in the market for sales of medallions, a potential secondary source of repayment, have declined significantly in recent years due to competitive developments in the transportation-for-hire industry. Due to the ongoing trend of declining estimated cash flows from the operation of taxi medallions leading to declines in medallion valuations, the entire taxi medallion portfolio is on non-accrual status and risk rated substandard as of March 31, 2018.
Using an extensive data set obtained from the NYTLC and assumptions that we believe are reasonable estimates of fleet utilization and borrower expenses, we perform a quarterly analysis to estimate the cash flow generating capacity of the operation of a New York City taxi medallion. We update our analysis on a quarterly basis, based on these cash flow capacity estimates. At March 31, 2018, the estimated valuation based on our cash flow template was $295,000. Partial charge-offs were recognized on all New York City taxi medallion loans that were past due less than 60 days and had carrying values in excess of this amount at March 31, 2018, consistent with the cash flow based resolution strategy for this portion of the taxi medallion portfolio. We established an additional 15% specific reserve from this valuation level in recognition of continued declining trends in the estimated cash flow generating capacity of medallions. A valuation of $239,000 was utilized to determine the amount of partial charge-off for loans past due 60 days or more or in litigation at March 31, 2018, estimated based on the average medallion transfer price over the past five months as reported by the NYTLC. See Note 10 to the consolidated financial statements for additional information about the valuation of New York City taxi medallions.
The taxi medallion portfolio had the following characteristics at March 31, 2018:
Approximately 98% of the portfolio secured directly by taxi medallions was concentrated in New York City.
Loans delinquent by 30 days or more totaled $19.7 million or 20.0% of the portfolio, compared to $17.7 million or 16.7% of the portfolio at December 31, 2017. Loans delinquent by 90 days or more totaled $7.0 million or 7.1% of the portfolio, compared to $8.3 million or 7.8% of the portfolio at December 31, 2017.
The portfolio included 191 loans modified in TDRs with a recorded investment of $83.7 million.
In the aggregate, the ALLL related to taxi medallion loans was $9.7 million, or 9.8% of the outstanding balance, at March 31, 2018, compared to $12.2 million, or 11.5% of the outstanding balance, at December 31, 2017. Charge-offs of $5.4 million were recognized in the three months ended March 31, 2018 related to taxi medallion loans. Cumulative charge-offs of $73.1 million have been recognized related to taxi medallion loans through March 31, 2018.

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We are no longer originating taxi medallion loans. Our portfolio management strategies include, but are not limited to, working with borrowers experiencing cash flow challenges to provide short term relief and/or extended amortization periods, pro-actively attempting to refinance loans prior to maturity, obtaining principal reductions or additional collateral when possible, continuing to monitor industry data and obtaining updated borrower and guarantor financial information.
Equipment Under Operating Lease
Three operating lease relationships with a carrying value of assets under lease totaling $41 million, of which $35 million were exposures to the energy industry, were internally risk rated special mention or substandard at March 31, 2018. The present value of remaining lease payments on these leases totaled approximately $15 million at March 31, 2018, of which $11 million were exposures to the energy industry. There have been no missed payments related to the operating lease portfolio to date. One relationship has been restructured to date, with no decrease in total minimum lease payments.
The primary risks inherent in the equipment leasing business are asset risk resulting from ownership of the equipment on operating lease and credit risk. Asset risk arises from fluctuations in supply and demand for the underlying leased equipment. The equipment is leased to commercial end-users with original lease terms generally ranging from 3-10 years at March 31, 2018. We are exposed to the risk that, at the end of the lease term, the value of the asset will be lower than expected, potentially resulting in reduced future lease income over the remaining life of the asset or a lower sale value. Asset risk may also lead to changes in depreciation as a result of changes in the residual values of the operating lease assets or through impairment of asset carrying values. Asset risk may be higher for long-lived equipment such as railcars, which have useful lives of approximately 35-50 years.
Asset risk is evaluated and managed by a dedicated internal staff of asset managers, managed by seasoned equipment finance professionals with a broad depth and breadth of experience in the leasing business. Additionally, we have partnered with an industry leading, experienced service provider who provides fleet management and servicing relating to the railcar portfolio, including lease administration and reporting, a Regulation Y compliant full service maintenance program and railcar re-marketing. Risk is managed by setting appropriate residual values at inception and systematic reviews of residual values based on independent appraisals, performed at least annually. Additionally, our internal management team and our external service provider closely follow the rail markets, monitoring traffic flows, supply and demand trends and the impact of new technologies and regulatory requirements. Demand for railcars is sensitive to shifts in general and industry specific economic and market trends and shifts in trade flows from specific events such as natural or man-made disasters. We seek to mitigate these risks by leasing to a stable end-user base, by maintaining a relatively young and diversified fleet of assets that are expected to maintain stronger and more stable utilization rates despite impacts from unexpected events or cyclical trends and by staggering lease maturities. We regularly monitor the impact of oil prices on the estimated residual value of rail cars being used in the petroleum/natural gas extraction sector.
Credit risk in the leased equipment portfolio results from the potential default of lessees, possibly driven by obligor specific or industry-wide conditions, and is economically less significant than asset risk, because in the operating lease business, there is no extension of credit to the obligor. Instead, the lessor deploys a portion of the useful life of the asset. Credit losses, if any, will manifest through reduced rental income due to missed payments, time off lease, or lower rental payments due either to a restructuring or re-leasing of the asset to another obligor. Credit risk in the operating lease portfolio is managed and monitored utilizing credit administration infrastructure, processes and procedures similar to those used to manage and monitor credit risk in the commercial loan portfolio. We also mitigate credit risk in this portfolio by leasing only to high credit quality obligors.
We expect our operating lease portfolio to continue to grow, and may expand into additional asset classes to mitigate concentration risk.
Residential and Other Consumer Loans
The majority of our non-covered residential mortgage portfolio consists of loans purchased through established correspondent channels. Most of our purchases are of performing jumbo mortgage loans which have FICO scores above 700, primarily are owner-occupied and full documentation, and have a current LTV of 80% or less although loans with LTVs higher than 80% may be extended to selected credit-worthy borrowers. We perform due diligence on the purchased loans for credit, compliance, counterparty, payment history and property valuation.
We have a dedicated residential credit risk management function, and the residential portfolio is monitored by our internal credit review function. Residential mortgage loans and consumer loans are not individually risk rated. Delinquency status is the primary measure we use to monitor the credit quality of these loans. We also consider original LTV and FICO score to be significant indicators of credit quality for the non-covered 1-4 single family residential portfolio.

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The following tables show the distribution of non-covered 1-4 single family residential loans by original FICO and LTV as of the dates indicated:
 
 
March 31, 2018
 
 
FICO
LTV
 
720 or less
 
721 - 740
 
741 - 760
 
761 or
greater
 
Total
60% or less
 
2.2
%
 
2.6
%
 
4.4
%
 
19.1
%
 
28.3
%
60% - 70%
 
2.5
%
 
2.5
%
 
3.6
%
 
13.8
%
 
22.4
%
70% - 80%
 
3.6
%
 
4.4
%
 
7.9
%
 
27.1
%
 
43.0
%
More than 80%
 
1.5
%
 
0.9
%
 
0.8
%
 
3.1
%
 
6.3
%
 
 
9.8
%
 
10.4
%
 
16.7
%
 
63.1
%
 
100.0
%
 
 
December 31, 2017
 
 
FICO
LTV
 
720 or less
 
721 - 740
 
741 - 760
 
761 or
greater
 
Total
60% or less
 
2.2
%
 
2.8
%
 
4.5
%
 
19.5
%
 
29.0
%
60% - 70%
 
2.4
%
 
2.5
%
 
3.5
%
 
14.2
%
 
22.6
%
70% - 80%
 
3.6
%
 
4.4
%
 
7.8
%
 
27.3
%
 
43.1
%
More than 80%
 
0.8
%
 
0.8
%
 
0.7
%
 
3.0
%
 
5.3
%
 
 
9.0
%
 
10.5
%
 
16.5
%
 
64.0
%
 
100.0
%
At March 31, 2018, the non-covered 1-4 single family residential loan portfolio had the following characteristics: substantially all were full documentation with a weighted-average FICO score of 762 and a weighted-average LTV of 67.7%. The majority of this portfolio was owner-occupied, with 87.4% primary residence, 7.7% second homes and 4.9% investment properties. In terms of vintage, 29.6% of the portfolio was originated pre-2015, 19.2% in 2015, 22.8% in 2016, 24.3% in 2017 and 4.1% in 2018.
Non-covered 1-4 single family residential loans past due more than 30 days totaled $53.3 million and $28.9 million at March 31, 2018 and December 31, 2017, respectively. The amount of these loans 90 days or more past due was $41.8 million, including $35.0 million of government insured pool buyout loans, and $5.6 million at March 31, 2018 and December 31, 2017, respectively.
Other Consumer Loans
Substantially all consumer loans were current at March 31, 2018 and December 31, 2017.
Covered Loans 
At March 31, 2018, residential ACI loans totaled $457 million and residential non-ACI loans totaled $23 million, including premiums, discounts and deferred fees and costs. Our exposure to loss related to covered loans is significantly mitigated by the Single Family Shared-Loss Agreement and by the fair value basis recorded in these loans in conjunction with the FSB Acquisition. We have an experienced resolution team in place for covered residential mortgage loans, and have implemented outsourcing arrangements with industry leading firms in certain areas such as OREO resolution.
Covered residential loans were placed into homogenous pools at the time of the FSB Acquisition and the ongoing credit quality and performance of these loans is monitored on a pool basis. We monitor the pools quarterly to determine whether any changes have occurred in expected cash flows that would be indicative of impairment or necessitate reclassification between non-accretable difference and accretable yield. At March 31, 2018, accretable yield on residential ACI loans totaled $406 million and non-accretable difference related to those loans totaled $144 million.
At March 31, 2018, the recorded investment in non-ACI 1-4 single family residential loans was $22.2 million; $2.4 million or 10.8% of these loans were 30 days or more past due and $2.0 million or 9.1% of these loans were 90 days or more past due. At March 31, 2018, the recorded investment in ACI 1-4 single family residential loans totaled $456.6 million; $30.2 million or 6.6% of these loans were delinquent by 30 days or more and $18.8 million or 4.1% were delinquent by 90 days or more.

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Impaired Loans and Non-Performing Assets
Non-performing assets generally consist of (i) non-accrual loans, including loans that have been modified in TDRs and placed on non-accrual status, (ii) accruing loans that are more than 90 days contractually past due as to interest or principal, excluding ACI loans and government insured residential loans, and (iii) OREO and repossessed assets. Impaired loans also typically include loans modified in TDRs that are accruing and ACI loans or pools for which expected cash flows at acquisition (as adjusted for any additional cash flows expected to be collected arising from changes in estimates after acquisition) have been revised downward since acquisition, other than due to changes in interest rate indices and prepayment assumptions.
The following table summarizes the Company's impaired loans and non-performing assets at the dates indicated (dollars in thousands):
 
March 31, 2018
 
December 31, 2017
 
Covered
Assets
 
Non-Covered
Assets
 
Total
 
Covered
Assets
 
Non-Covered
Assets
 
Total
Non-accrual loans
 
 
 
 
 
 
 
 
 
 
 
Residential and other consumer:
 
 
 
 
 
 
 
 
 
 
 
1-4 single family residential
$
2,304

 
$
5,584

 
$
7,888

 
$
1,010

 
$
9,705

 
$
10,715

Home equity loans and lines of credit
331

 

 
331

 
331

 

 
331

Other consumer loans

 
548

 
548

 

 
821

 
821

Total residential and other consumer loans
2,635

 
6,132

 
8,767

 
1,341

 
10,526

 
11,867

Commercial:
 
 
 
 
 
 
 
 
 
 
 
Multi-family

 
26,267

 
26,267

 

 

 

Non-owner occupied commercial real estate

 
16,219

 
16,219

 

 
12,716

 
12,716

Construction and land

 
5,122

 
5,122

 

 
1,175

 
1,175

Owner occupied commercial real estate

 
21,211

 
21,211

 

 
29,020

 
29,020

Commercial and industrial
 
 
 
 
 
 
 
 
 
 


Taxi medallion loans

 
98,358

 
98,358

 

 
106,067

 
106,067

Other commercial and industrial

 
14,614

 
14,614

 

 
7,049

 
7,049

Commercial lending subsidiaries

 
1,097

 
1,097

 

 
3,512

 
3,512

Total commercial loans

 
182,888

 
182,888

 

 
159,539

 
159,539

Total non-accrual loans
2,635

 
189,020

 
191,655

 
1,341

 
170,065

 
171,406

Loans past due 90 days and still accruing

 
3,809

 
3,809

 

 
1,948

 
1,948

Total non-performing loans
2,635

 
192,829

 
195,464

 
1,341

 
172,013

 
173,354

OREO
5,619

 
7,306

 
12,925

 
2,862

 
7,018

 
9,880

Repossessed assets

 
1,674

 
1,674

 

 
2,128

 
2,128

Total non-performing assets
8,254

 
201,809

 
210,063

 
4,203

 
181,159

 
185,362

Performing TDRs
1,106

 
4,075

 
5,181

 
1,264

 
24,723

 
25,987

Total impaired loans and non-performing assets
$
9,360

 
$
205,884

 
$
215,244

 
$
5,467

 
$
205,882

 
$
211,349

 
 
 
 
 
 
 
 
 
 
 
 
Non-performing loans to total loans (1) (3)
 
 
0.92
%
 
0.91
%
 
 
 
0.82
%
 
0.81
%
Non-performing assets to total assets (2)
 
 
0.66
%
 
0.69
%
 
 
 
0.60
%
 
0.61
%
ALLL to total loans (1)
 
 
0.65
%
 
0.64
%
 
 
 
0.69
%
 
0.68
%
ALLL to non-performing loans
 
 
71.03
%
 
70.33
%
 
 
 
84.03
%
 
83.53
%
Net charge-offs to average loans(4)
 
 
0.21
%
 
0.20
%
 
 
 
0.38
%
 
0.38
%
 
 
 
 
 
 
 
 
 
 
 
 
(1)
Total loans for purposes of calculating these ratios include premiums, discounts and deferred fees and costs.
(2)
Ratio for non-covered assets is calculated as non-performing non-covered assets to total assets.
(3)
Non-performing taxi medallion loans comprised 0.47% and 0.51% of total non-covered loans at March 31, 2018 and December 31, 2017 respectively.
(4)
The annualized ratio of charge-offs of taxi medallion loans to average non-covered loans was 0.10% and 0.29% for the three months ended March 31, 2018 and the year ended December 31, 2017, respectively.
The increases in the ratios of non-performing loans to total loans and non-performing assets to total assets and the decrease in the ratio of the ALLL to non-performing loans at March 31, 2018 compared to December 31, 2017 were each primarily attributable to the increase in non-accrual multi-family loans. These loans were primarily re-positioning loans in New York that did not reach stabilization in accordance with initially established timelines. The decrease in the ratio of the ALLL to non-performing loans was also impacted by partial charge-offs related to taxi medallion loans.
Contractually delinquent ACI loans with remaining accretable yield are not reflected as non-accrual loans and are not considered to be non-performing assets because accretion continues to be recorded in income. Accretion continues to be recorded as long as there is an expectation of future cash flows in excess of carrying amount from these loans. The carrying value of ACI loans contractually delinquent by more than 90 days but on which income was still being recognized was $19 million and $18 million at March 31, 2018 and December 31, 2017, respectively. Contractually delinquent government insured pool buyout loans are excluded from non-performing loans as defined in the table above as interest guaranteed by the applicable government agency continues to be accrued. The carrying value of such loans contractually delinquent by more than 90 days was $35.0 million at March 31, 2018; there were no government insured pool buyout loans at December 31, 2017.
Commercial loans, other than ACI loans, are placed on non-accrual status when (i) management has determined that full repayment of all contractual principal and interest is in doubt, or (ii) the loan is past due 90 days or more as to principal or interest unless the loan is well secured and in the process of collection. Residential and consumer loans, other than ACI loans and government insured pool buyout loans, are generally placed on non-accrual status when 90 days of interest is due and unpaid. When a loan is placed on non-accrual status, uncollected interest accrued is reversed and charged to interest income. Commercial loans are returned to accrual status only after all past due principal and interest has been collected and full repayment of remaining contractual principal and interest is reasonably assured. Residential loans are generally returned to accrual status when less than 90 days of interest is due and unpaid. Past due status of loans is determined based on the contractual next payment due date. Loans less than 30 days past due are reported as current.
A loan modification is considered a TDR if the Company, for economic or legal reasons related to the borrower’s financial difficulties, grants a concession to the borrower that the Company would not otherwise grant. These concessions may take the form of temporarily or permanently reduced interest rates, payment abatement periods, restructuring of payment terms, extensions of maturity at below market terms, or in some cases, partial forgiveness of principal. Under GAAP, modified ACI loans accounted for in pools are not accounted for as TDRs and are not separated from their respective pools when modified. Included in TDRs are residential loans to borrowers who have not reaffirmed their debt discharged in Chapter 7 bankruptcy.
The following table summarizes loans modified in TDRs at March 31, 2018 (dollars in thousands):
 
Number of TDRs
 
Recorded Investment
 
Related Specific Allowance
Residential and other consumer:
 
 
 
 
 
Covered
4

 
$
2,049

 
$
283

Non-covered
18

 
3,689

 
138

Commercial:
 
 
 
 
 
Taxi medallion loans
191

 
83,675

 
8,568

Other
11

 
25,617

 
3,719

 
224

 
$
115,030

 
$
12,708

Potential Problem Loans
Potential problem loans have been identified by management as those commercial loans included in the "substandard accruing" risk rating category. These loans are typically performing, but possess specifically identified credit weaknesses that, if not remedied, may lead to a downgrade to non-accrual status and identification as impaired in the near-term. Substandard accruing commercial loans totaled $139 million at March 31, 2018, substantially all of which were current as to principal and interest at March 31, 2018.
Loss Mitigation Strategies
Criticized or classified commercial loans in excess of certain thresholds are reviewed quarterly by the Criticized Asset Committee, which evaluates the appropriate strategy for collection to mitigate the amount of credit losses. Criticized asset reports for each relationship are presented by the assigned relationship manager and credit officer to the Criticized Asset Committee until such time as the relationships are returned to a satisfactory credit risk rating or otherwise resolved. The Criticized Asset Committee may require the transfer of a loan to our workout and recovery department, which is tasked to effectively manage the loan with the goal of minimizing losses and expenses associated with restructure, collection and/or liquidation of collateral. Commercial loans with a risk rating of substandard; impaired loans on non-accrual status; loans modified as TDRs; taxi medallion loans; or assets classified as OREO or repossessed assets are usually transferred to workout and recovery. Oversight of the workout and recovery department is provided by the Asset Recovery Committee.
We evaluate each residential loan in default to determine the most effective loss mitigation strategy, which may be modification, short sale, or foreclosure. We offer a modification program modeled after the FNMA standard modification program.
Analysis of the Allowance for Loan and Lease Losses
The ALLL relates to (i) loans originated since the FSB acquisition, (ii) estimated additional losses arising on non-ACI loans subsequent to the FSB Acquisition, and (iii) impairment recognized as a result of decreases in expected cash flows on ACI loans due to further credit deterioration. The impact of any additional provision for losses on covered loans is significantly mitigated by an increase in the FDIC indemnification asset. The determination of the amount of the ALLL is, by nature, highly complex and subjective. Future events that are inherently uncertain could result in material changes to the level of the ALLL. General economic conditions including but not limited to unemployment rates, the level of business investment and growth, real estate values, vacancy rates and rental rates in our primary market areas, the level of interest rates, and a variety of other factors that affect the ability of borrowers’ businesses to generate cash flows sufficient to service their debts will impact the future performance of the portfolio.
Commercial loans
The allowance is comprised of specific reserves for loans that are individually evaluated and determined to be impaired as well as general reserves for loans that have not been identified as impaired.
Commercial relationships graded substandard or doubtful and on non-accrual status with committed credit facilities greater than or equal to $1.0 million, as well as loans modified in TDRs, are individually evaluated for impairment. Other commercial relationships on non-accrual status with committed balances under $1.0 million may also be evaluated for impairment, at management's discretion. All loans secured by taxi medallions have been placed on non-accrual status and are individually evaluated for impairment. For loans evaluated individually for impairment and determined to be impaired, a specific allowance is established based on the present value of expected cash flows discounted at the loan’s effective interest rate, the estimated fair value of the loan, or the estimated fair value of collateral less costs to sell.
We believe that loans rated special mention, substandard or doubtful that are not individually evaluated for impairment exhibit characteristics indicative of a heightened level of credit risk. We apply a quantitative loss factor for loans rated special mention based on average annual probability of default and implied severity, derived from internal and external data. Loss factors for substandard and doubtful loans that are not individually evaluated are determined by using default frequency and severity information applied at the loan level. Estimated default frequencies and severities are based on available industry and internal data. In addition, we apply a floor to these calculated loss factors, based on the loss factor applied to the special mention portfolio.
To the extent, in management's judgment, commercial portfolio segments have sufficient observable loss history, the quantitative portion of the ALLL is based on the Bank's historical net charge-off rates. These commercial segments include commercial and industrial loans and the Bridge portfolios. For commercial portfolio segments that have not yet exhibited an observable loss trend, the quantitative loss factors are based on peer group average annual historical net charge-off rates by loan class and the Company’s internal credit risk rating system. These commercial segments include multifamily, owner occupied and non-owner occupied commercial real estate and construction and land loans. Quantitative loss factors for SBF loans are based on historical charge-off rates published by the SBA. For Pinnacle, quantitative loss factors are based primarily on historical municipal default data. For most commercial portfolio segments, we use a 17 quarter look back period in the calculation of historical net charge-off rates; this period was extended from 16 quarters to 17 quarters in the first quarter of 2018 in order to continue to capture a sufficient range of observations reflecting performance of our commercial loans.
Where applicable, the peer group used to calculate average annual historical net charge-off rates used in estimating general reserves is made up of 26 banks included in the OCC Midsize Bank Group plus five additional banks not included in the OCC Midsize Bank Group that management believes to be comparable based on size, geography and nature of lending operations. Peer bank data is obtained from the Statistics on Depository Institutions Report published by the FDIC for the most recent quarter available. These banks, as a group, are considered by management to be comparable to BankUnited in size, nature of lending operations and loan portfolio composition. We evaluate the composition of the peer group annually, or more frequently if, in our judgment, a more frequent evaluation is necessary. Our internal risk rating system comprises 13 credit grades; grades 1 through 8 are “pass” grades. The risk ratings are driven largely by debt service coverage. Peer group historical loss rates are adjusted upward for loans assigned a lower “pass” rating.

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As noted above, we generally use a 17-quarter loss experience period to calculate quantitative loss rates. We believe this look-back period to be consistent with the range of industry practice and appropriate to capture a sufficient range of observations reflecting the performance of our loans, which were originated in the current economic cycle. With the exception of the Pinnacle municipal finance portfolio, a four quarter loss emergence period is used in the calculation of general reserves. A twelve quarter loss emergence period is used in the calculation of general reserves for the Pinnacle portfolio.
The primary assumptions underlying estimates of expected cash flows for ACI commercial loans are default probability and severity of loss given default. Assessments of default probability and severity are based on net realizable value analyses prepared at the individual loan level. Based on our analysis, no ALLL related to ACI commercial loans was recorded at March 31, 2018 or December 31, 2017.
Residential and other consumer loans
Non-covered Loans
Due to the lack of similarity between the risk characteristics of non-covered loans and covered loans in the residential and home equity portfolios, management does not believe it is appropriate to use the historical performance of the covered residential mortgage portfolio as a basis for calculating the ALLL applicable to non-covered loans. The non-covered loan portfolio has not yet developed an observable loss trend. Therefore, the ALLL for non-covered residential loans is based primarily on relevant proxy historical loss rates. The ALLL for non-covered 1-4 single family residential loans is estimated using average annual loss rates on prime residential mortgage securitizations issued between 2003 and 2008 as a proxy. Based on the comparability of FICO scores and LTV ratios between loans included in those securitizations and loans in the Bank’s portfolio and the geographic diversity in the new purchased residential portfolio, we determined that prime residential mortgage securitizations provide an appropriate proxy for incurred losses in this portfolio class. A peer group 17-quarter average net charge-off rate is used to estimate the ALLL for the non-covered home equity and other consumer loan classes. See further discussion of peer group loss factors above. The non-covered home equity and other consumer loan portfolios are not significant components of the overall loan portfolio.
Covered non-ACI Loans
Based on an analysis of historical performance, OREO and short sale losses, recent trending data and other internal and external factors, we have concluded that historical performance by portfolio class is the best indicator of incurred loss for the non-ACI 1-4 single family residential portfolio class. A quarterly roll rate matrix is calculated by delinquency bucket to measure the rate at which loans move from one delinquency bucket to the next during a given quarter. An average 17-quarter roll rate matrix is used to estimate the amount within each delinquency bucket expected to roll to 120+ days delinquent. We assume no cure for those loans that are currently 120+ days delinquent. Loss severity given default is estimated based on internal data about OREO sales and short sales from the portfolio. The allowance is initially calculated based on UPB. The total of UPB less the calculated allowance is then compared to the carrying amount of the loans, net of unamortized credit related fair value adjustments established at acquisition. If the calculated balance net of the allowance is less than the carrying amount, an additional allowance is established. Any increase or decrease in the allowance for non-ACI residential loans will result in a corresponding increase or decrease in the FDIC indemnification asset. 
Qualitative Factors
Qualitative adjustments are made to the ALLL when, based on management’s judgment, there are internal or external factors impacting probable incurred losses not taken into account by the quantitative calculations. Potential qualitative adjustments are categorized as follows: 
Portfolio performance trends, including trends in and the levels of delinquencies, non-performing loans and classified loans;  
Changes in the nature of the portfolio and terms of the loans, specifically including the volume and nature of policy and procedural exceptions;
Portfolio growth trends;  
Changes in lending policies and procedures, including credit and underwriting guidelines;  
Economic factors, including unemployment rates and GDP growth rates and other factors considered relevant by management;
Changes in the value of underlying collateral;

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Quality of risk ratings, as evaluated by our independent credit review function;  
Credit concentrations;  
Changes in and experience levels of credit administration management and staff; and
Other factors identified by management that may impact the level of losses inherent in the portfolio, including but not limited to competition and legal and regulatory considerations.
Covered ACI Loans
For ACI loans, a valuation allowance is established when periodic evaluations of expected cash flows reflect a deterioration resulting from credit related factors from the level of cash flows that were estimated to be collected at acquisition plus any additional expected cash flows arising from revisions in those estimates. We perform a quarterly analysis of expected cash flows for ACI loans.
Expected cash flows are estimated on a pool basis for ACI 1-4 single family residential loans. The analysis of expected pool cash flows incorporates updated pool level expected prepayment rate, default rate, delinquency level and loss severity given default assumptions. Prepayment, delinquency and default curves are derived primarily from roll rates generated from the historical performance of the portfolio over the immediately preceding four quarters. Loss severity given default assumptions are generated from the historical performance of the portfolio taking into consideration current market considerations and portfolio characteristics. Estimates of default probability and loss severity given default also incorporate updated LTV ratios, at the loan level, based on Case-Shiller Home Price Indices for the relevant MSA. Costs and fees represent an additional component of loss on default and are projected based on historical experience over the last three years. 
No ALLL related to 1-4 single family residential ACI pools was recorded at March 31, 2018 or December 31, 2017.

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The following tables provide an analysis of the ALLL, provision for loan losses and net charge-offs for the periods indicated (in thousands):
 
Three Months Ended March 31, 2018
 
 
 
Covered Loans
 
 
 
Non-Covered Loans
 
ACI Loans
 
Non-ACI Loans
 
Total
Balance at December 31, 2017
$
144,537

 
$

 
$
258

 
$
144,795

Provision for (recovery of) loan losses:
 
 
 
 
 
 
 
1-4 single family residential
(31
)
 

 
276

 
245

Home equity loans and lines of credit
(3
)
 

 
(3
)
 
(6
)
Other consumer loans
135

 

 

 
135

Multi-family
1,471

 

 

 
1,471

Non-owner occupied commercial real estate
49

 

 

 
49

Construction and land
137

 

 

 
137

Owner occupied commercial real estate
541

 

 

 
541

Commercial and industrial
 
 
 
 
 
 
 
Taxi medallion loans
2,814

 

 

 
2,814

Other commercial and industrial
(1,164
)
 

 

 
(1,164
)
Commercial lending subsidiaries


 


 


 


Pinnacle
(43
)
 

 

 
(43
)
Bridge - franchise finance
124

 

 

 
124

Bridge - equipment finance
(1,156
)
 

 

 
(1,156
)
Total Provision
2,874

 

 
273

 
3,147

Charge-offs:
 
 
 
 
 
 
 
1-4 single family residential

 

 
(15
)
 
(15
)
Other consumer loans
(267
)
 

 

 
(267
)
Non-owner occupied commercial real estate
(243
)
 

 

 
(243
)
Owner occupied commercial real estate
(3,225
)
 

 

 
(3,225
)
Commercial and industrial
 
 
 
 
 
 
 
Taxi medallion loans
(5,375
)
 

 

 
(5,375
)
Other commercial and industrial
(1,507
)
 

 

 
(1,507
)
Total Charge-offs
(10,617
)
 

 
(15
)
 
(10,632
)
Recoveries:
 
 
 
 
 
 
 
Home equity loans and lines of credit

 

 
2

 
2

Other consumer loans
18

 

 

 
18

Commercial and industrial
 
 
 
 
 
 
 
Taxi medallion loans

 

 

 

Other commercial and industrial
144

 

 

 
144

Commercial lending subsidiaries
 
 
 
 
 
 
 
Bridge - franchise finance
2

 

 

 
2

Total Recoveries
164

 

 
2

 
166

Net Charge-offs:
(10,453
)
 

 
(13
)
 
(10,466
)
Balance at March 31, 2018
$
136,958

 
$

 
$
518

 
$
137,476





65

Table of Contents

 
Three Months Ended March 31, 2017
 
 
 
Covered Loans
 
 
 
Non-Covered Loans
 
ACI Loans
 
Non-ACI Loans
 
Total
Balance at December 31, 2016
$
150,853

 
$

 
$
2,100

 
$
152,953

Provision for (recovery of) loan losses:
 
 
 
 
 
 
 
1-4 single family residential
(466
)
 

 
164

 
(302
)
Home equity loans and lines of credit

 
831

 
(183
)
 
648

Other consumer loans
(42
)
 

 

 
(42
)
Multi-family
(1,025
)
 

 

 
(1,025
)
Non-owner occupied commercial real estate
890

 

 

 
890

Construction and land
(34
)
 

 

 
(34
)
Owner occupied commercial real estate
4,979

 

 

 
4,979

Commercial and industrial
 
 
 
 
 
 

Taxi medallion loans
9,508

 

 

 
9,508

Other commercial and industrial
4,739

 

 
(33
)
 
4,706

Commercial lending subsidiaries
 
 
 
 
 
 

Pinnacle
(6,092
)
 

 

 
(6,092
)
Bridge - franchise finance
(498
)
 

 

 
(498
)
Bridge - equipment finance
(638
)
 

 

 
(638
)
Total Provision
11,321

 
831

 
(52
)
 
12,100

Charge-offs:
 
 
 
 
 
 

Home equity loans and lines of credit

 

 
(55
)
 
(55
)
Non-owner occupied commercial real estate
(37
)
 

 

 
(37
)
Owner occupied commercial real estate
(178
)
 

 

 
(178
)
Commercial and industrial
 
 
 
 
 
 

Taxi medallion loans
(5,938
)
 

 

 
(5,938
)
Other commercial and industrial
(8,616
)
 

 

 
(8,616
)
Total Charge-offs
(14,769
)
 

 
(55
)
 
(14,824
)
Recoveries:
 
 
 
 
 
 

Home equity loans and lines of credit

 

 
32

 
32

Other consumer loans
6

 

 

 
6

Owner occupied commercial real estate
2

 

 

 
2

Commercial and industrial
 
 
 
 
 
 

Taxi medallion loans

 

 

 

Other commercial and industrial
379

 

 
33

 
412

Commercial lending subsidiaries
 
 
 
 
 
 

Pinnacle

 

 

 

Bridge - franchise finance
600

 

 

 
600

Bridge - equipment finance

 

 

 

Total Recoveries
987

 

 
65

 
1,052

Net Charge-offs:
(13,782
)
 

 
10

 
(13,772
)
Balance at March 31, 2017
$
148,392

 
$
831

 
$
2,058

 
$
151,281



66

Table of Contents

The following tables show the distribution of the ALLL, broken out between covered and non-covered loans, at the dates indicated (dollars in thousands):
 
March 31, 2018
 
 
 
Covered Loans
 
 
 
 
 
Non-Covered Loans
 
ACI Loans
 
Non-ACI
Loans
 
Total
 
%(1)
Residential and other consumer:
 
 
 
 
 
 
 
 
 

1 - 4 single family residential
$
10,109

 
$

 
$
518

 
$
10,627

 
22.2
%
Home equity loans and lines of credit
4

 

 

 
4

 
%
Other consumer loans
201

 

 

 
201

 
0.1
%
 
10,314

 

 
518

 
10,832

 
22.3
%
Commercial:
 
 
 
 
 
 
 
 
 
Multi-family
25,465

 

 

 
25,465

 
14.5
%
Non-owner occupied commercial real estate
40,428

 

 

 
40,428

 
21.0
%
Construction and land
3,141

 

 

 
3,141

 
1.4
%
Owner occupied commercial real estate
10,927

 

 

 
10,927

 
9.4
%
Commercial and industrial
 
 
 
 
 
 
 
 
 
Taxi medallion loans
9,652

 

 

 
9,652

 
0.5
%
Other commercial and industrial
27,172

 

 

 
27,172

 
18.8
%
Commercial lending subsidiaries
 
 
 
 
 
 
 
 
 
Pinnacle
529

 

 

 
529

 
7.2
%
Bridge - franchise finance
3,431

 

 

 
3,431

 
2.1
%
Bridge - equipment finance
5,899

 

 

 
5,899

 
2.8
%
 
126,644

 

 

 
126,644

 
77.7
%
 
$
136,958

 
$

 
$
518

 
$
137,476

 
100.0
%
 
December 31, 2017
 
 
 
Covered Loans
 
 
 
 
 
Non-Covered Loans
 
ACI Loans
 
Non-ACI
Loans
 
Total
 
%(1)
Residential and other consumer:
 

 
 

 
 

 
 

 
 

1 - 4 single family residential
$
10,140

 
$

 
$
257

 
$
10,397

 
21.6
%
Home equity loans and lines of credit
7

 

 
1

 
8

 
%
Other consumer loans
315

 

 

 
315

 
0.1
%
 
10,462

 

 
258

 
10,720

 
21.7
%
Commercial:
 
 
 
 
 
 
 
 
 
Multi-family
23,994

 

 

 
23,994

 
15.0
%
Non-owner occupied commercial real estate
40,622

 

 

 
40,622

 
21.0
%
Construction and land
3,004

 

 

 
3,004

 
1.5
%
Owner occupied commercial real estate
13,611

 

 

 
13,611

 
9.4
%
Commercial and industrial
 
 
 
 
 
 
 
 
 
Taxi medallion loans
12,214

 

 

 
12,214

 
0.6
%
Other commercial and industrial
29,698

 

 

 
29,698

 
18.8
%
Commercial lending subsidiaries
 
 
 
 
 
 
 
 
 
Pinnacle
572

 

 

 
572

 
7.2
%
Bridge - franchise finance
3,305

 

 

 
3,305

 
2.1
%
Bridge - equipment finance
7,055

 

 

 
7,055

 
2.7
%
 
134,075

 

 

 
134,075

 
78.3
%
 
$
144,537

 
$

 
$
258

 
$
144,795

 
100.0
%
 
(1)
Represents percentage of loans receivable in each category to total loans receivable.

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Table of Contents

The balance of the ALLL for non-covered loans at March 31, 2018 decreased $7.6 million from the balance at December 31, 2017. Factors influencing the change in the ALLL related to specific loan types at March 31, 2018 as compared to December 31, 2017, include:
An increase of $1.5 million in the ALLL for multi-family loans, although outstanding balances declined, reflected increases in qualitative loss factors, primarily related to trends in the level of classified loans, and in reserves for criticized and classified loans.
A decrease of $2.7 million for owner occupied commercial real estate loans was primarily attributable to a decrease in specific reserves for one impaired loan relationship, which was fully charged-off during the three months ended March 31, 2018.
A decrease of $2.6 million for taxi medallion loans primarily resulted from charge-offs recognized during the three months ended March 31, 2018.
A decrease of $2.5 million for other commercial and industrial loans was driven primarily by a decrease in the historical net charge-off rate used to determine quantitative reserves.
A $1.2 million decrease for Bridge equipment finance primarily reflected a decrease in qualitative loss factors, particularly related to portfolio growth trends, and to a smaller extent, a decrease in the quantitative loss factor.
For additional information about the ALLL, see Note 4 to the consolidated financial statements.
Deposits
Average balances and rates paid on deposits were as follows for the periods indicated (dollars in thousands):
 
Three Months Ended March 31,
 
2018
 
2017
 
Average
Balance
 
Average
Rate Paid
 
Average
Balance
 
Average
Rate Paid
Demand deposits:
 
 
 
 
 
 
 
Non-interest bearing
$
3,318,952

 
%
 
$
3,043,059

 
%
Interest bearing
1,600,009

 
1.05
%
 
1,565,188

 
0.70
%
Money market
10,470,666

 
1.12
%
 
8,884,170

 
0.70
%
Savings
328,604

 
0.28
%
 
374,657

 
0.20
%
Time
6,314,137

 
1.49
%
 
5,672,223

 
1.19
%
 
$
22,032,368

 
1.04
%
 
$
19,539,297

 
0.72
%
Total deposits included $2.4 billion of brokered deposits at both March 31, 2018 and December 31, 2017.
The following table shows scheduled maturities of certificates of deposit with denominations greater than or equal to $100,000 as of March 31, 2018 (in thousands):
Three months or less
$
875,010

Over three through six months
637,415

Over six through twelve months
1,639,485

Over twelve months
821,383

 
$
3,973,293


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Table of Contents

FHLB Advances, Notes and Other Borrowings
In addition to deposits, we utilize FHLB advances as a funding source; the advances provide us with additional flexibility in managing both term and cost of funding and in mitigating interest rate risk. FHLB advances are secured by FHLB stock, qualifying residential first mortgage, commercial real estate and home equity loans, and MBS.
The contractual balance of FHLB advances outstanding at March 31, 2018 is scheduled to mature as follows (in thousands):
Maturing in:
 

2018—One month or less
$
2,500,000

2018—Over one month
1,596,000

2019
100,000

2020
125,000

2021
75,000

Carrying value
$
4,396,000

The table above reflects contractual maturities of outstanding advances, and does not incorporate the impact that interest rate swaps designated as cash flow hedges have on the duration of borrowings. See Note 7 to the consolidated financial statements for more information about derivative instruments.
Outstanding senior notes payable and other borrowings consisted of the following at the dates indicated (in thousands):
 
March 31, 2018
 
December 31, 2017
Senior notes
$
393,888

 
$
393,725

Capital lease obligations
8,928

 
9,105

 
$
402,816

 
$
402,830

Senior notes have a face amount of $400 million, a fixed coupon rate of 4.875% and mature on November 17, 2025.
Capital Resources
Pursuant to the FDIA, the federal banking agencies have adopted regulations setting forth a five-tier system for measuring the capital adequacy of the financial institutions they supervise. At March 31, 2018 and December 31, 2017, BankUnited and the Company had capital levels that exceeded both the regulatory well-capitalized guidelines and all internal capital ratio targets.
Stockholders' equity increased to $3.0 billion at March 31, 2018, an increase of $7 million, or 0.22%, from December 31, 2017, due primarily to the retention of earnings, offset by dividends and shares repurchased.
Since our formation, stockholders' equity has been impacted primarily by the retention of earnings, and to a lesser extent, proceeds from the issuance of common shares and changes in unrealized gains and losses, net of taxes, on investment securities available for sale and cash flow hedges. Our rate of earnings retention is derived by dividing undistributed earnings per common share by earnings per common share. Our retention ratio was 73.0% and 63.3% for the three months ended March 31, 2018 and 2017, respectively. We retain a high percentage of our earnings to support our planned growth.
In January 2018, the Board of Directors of the Company authorized a share repurchase program under which the Company may repurchase up to $150 million in shares of its outstanding common stock. Any repurchases will be made in accordance with applicable securities laws from time to time in open market or private transactions. The extent to which the Company repurchases shares, and the timing of such repurchases, will depend upon a variety of factors, including market conditions, the Company’s capital position and amount of retained earnings, regulatory requirements and other considerations. No time limit was set for the completion of the share repurchase program, and the program may be suspended or discontinued at any time. During the three months ended March 31, 2018, the Company repurchased 1.2 million shares of its common stock for an aggregate purchase price of $48.6 million.
We filed a shelf registration statement with the SEC in October 2015 that allows the Company to periodically offer and sell in one or more offerings, individually or in any combination, our common stock, preferred stock and other non-equity securities. The shelf registration provides us with flexibility in issuing capital instruments and enables us to more readily access

69


the capital markets as needed to pursue future growth opportunities and to ensure continued compliance with regulatory capital requirements. Our ability to issue securities pursuant to the shelf registration is subject to market conditions.
The following table provides information regarding regulatory capital for the Company and the Bank as of March 31, 2018 (dollars in thousands):
 
Actual
 
Required to be
Considered Well
Capitalized
 
Required to be
Considered
Adequately
Capitalized
 
Amount
 
Ratio
 
Amount
 
Ratio
 
Amount
 
Ratio
BankUnited, Inc.:
 
 
 
 
 
 
 
 
 
 
 
Tier 1 leverage
$
2,896,602

 
9.6
%
 
N/A (1)

 
N/A (1)

 
$
1,209,121

 
4.0
%
CET1 risk-based capital
$
2,896,602

 
13.0
%
 
$
1,445,952

 
6.5
%
 
$
1,001,044

 
4.5
%
Tier 1 risk-based capital
$
2,896,602

 
13.0
%
 
$
1,779,634

 
8.0
%
 
$
1,334,725

 
6.0
%
Total risk based capital
$
3,039,224

 
13.7
%
 
$
2,224,542

 
10.0
%
 
$
1,779,634

 
8.0
%
BankUnited:
 
 
 
 
 
 
 
 
 
 
 
Tier 1 leverage
$
3,077,168

 
10.2
%
 
$
1,507,811

 
5.0
%
 
$
1,206,249

 
4.0
%
CET1 risk-based capital
$
3,077,168

 
13.9
%
 
$
1,441,568

 
6.5
%
 
$
998,009

 
4.5
%
Tier 1 risk-based capital
$
3,077,168

 
13.9
%
 
$
1,774,237

 
8.0
%
 
$
1,330,678

 
6.0
%
Total risk based capital
$
3,219,790

 
14.5
%
 
$
2,217,797

 
10.0
%
 
$
1,774,237

 
8.0
%
 
 
 
 
 
 
 
 
 
 
 
 
(1) There is no Tier 1 leverage ratio component in the definition of a well-capitalized bank holding company.

Levels of capital required to be well capitalized or adequately capitalized as reflected above do not include a capital
conservation buffer that is being phased in between 2016 and 2019. When fully phased in on January 1, 2019, the Bank and the
Company will have to maintain this capital conservation buffer composed of CET1 capital equal to 2.50% of risk-weighted
assets above the amounts required to be adequately capitalized, as reflected above, in order to avoid limitations on capital
distributions, including dividend payments and certain discretionary bonus payments to executive officers. Capital ratios
required to be considered well-capitalized exceed the ratios required under the capital conservation buffer requirement at March 31, 2018.
Liquidity
Liquidity involves our ability to generate adequate funds to support planned interest earning asset growth, meet deposit withdrawal requests, maintain reserve requirements, conduct routine operations, pay dividends, service outstanding debt and meet other contractual obligations.
Primary sources of liquidity include cash flows from operations, cash generated by the repayment and resolution of covered loans, cash payments received from the FDIC pursuant to the Single Family Shared-Loss Agreement, deposit growth, the available for sale securities portfolio and FHLB advances.
For the three months ended March 31, 2018 and 2017, net cash provided by operating activities was $138.1 million and $35.4 million, respectively. Accretion on ACI loans, which is reflected as a non-cash reduction in net income to arrive at operating cash flows, totaled $82.3 million and $75.3 million for the three months ended March 31, 2018 and 2017, respectively. Accretable yield on ACI loans represents the excess of expected future cash flows over the carrying amount of the loans, and is recognized as interest income over the expected lives of the loans. Amounts recorded as accretion are realized in cash as individual loans are paid down or otherwise resolved; however, the timing of cash realization may differ from the timing of income recognition. These cash flows from the repayment or resolution of covered loans, inclusive of amounts that have been accreted through earnings over time, are recognized as cash flows from investing activities in the consolidated statements of cash flows upon receipt. Cash payments from the FDIC in the form of reimbursements of losses related to the covered loans under the Single Family Shared-Loss Agreement are also characterized as investing cash flows. Cash generated by the repayment and resolution of covered loans and reimbursements from the FDIC totaled $112.2 million and $123.7 million for the three months ended March 31, 2018 and 2017, respectively. Both cash generated by the repayment and resolution of covered loans and cash payments received from the FDIC have been and are expected to continue to be consistent and relatively predictable sources of liquidity until the expected termination of the Single Family Shared-Loss Agreement in 2019.
In addition to cash provided by operating activities, the repayment and resolution of covered loans and payments under the Single Family Shared-Loss Agreement from the FDIC, BankUnited’s liquidity needs, particularly liquidity to fund growth of

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Table of Contents

interest earning assets, have been and continue to be met by deposit growth and FHLB advances. The investment portfolio also provides a source of liquidity.
BankUnited has access to additional liquidity through FHLB advances, other collateralized borrowings, wholesale deposits or the sale of available for sale securities. At March 31, 2018, unencumbered investment securities totaled $4.2 billion. At March 31, 2018, BankUnited had available borrowing capacity at the FHLB of $4.4 billion, unused borrowing capacity at the FRB of $463 million and unused Federal funds lines of credit totaling $70 million. Management also has the ability to exert substantial control over the rate and timing of growth of the non-covered loan portfolio, and resultant requirements for liquidity to fund loans.
Continued growth of deposits and the non-covered loan portfolio, along with runoff of the covered loan portfolio and FDIC indemnification asset are the most significant trends expected to impact the Bank’s liquidity in the near term.
The ALCO policy has established several measures of liquidity which are monitored monthly by the ALCO and quarterly by the Board of Directors. One primary measure of liquidity monitored by management is the 30 day total liquidity ratio, defined as (a) the sum of cash and cash equivalents, pledgeable securities and a measure of funds expected to be generated by operations over the next 30 days; divided by (b) the sum of potential deposit runoff, liabilities maturing within the 30 day time frame and a measure of funds expected to be used in operations over the next 30 days. BankUnited’s liquidity is considered acceptable if the 30 day total liquidity ratio exceeds 100%. At March 31, 2018, BankUnited’s 30 day total liquidity ratio was 173%. Management also monitors a one year liquidity ratio, defined as (a) cash and cash equivalents, pledgeable securities, unused borrowing capacity at the FHLB, and loans and non-agency securities maturing within one year; divided by (b) forecasted deposit outflows and borrowings maturing within one year. This ratio allows management to monitor liquidity over a longer time horizon. The acceptable threshold established by the ALCO for this liquidity measure is 100%. At March 31, 2018, BankUnited’s one year liquidity ratio was 162%. Additional measures of liquidity regularly monitored by the ALCO include the ratio of wholesale funding to total assets, a measure of available liquidity to volatile liabilities, the ratio of brokered deposits to total deposits, the ratio of FHLB advances to total funding, the percentage of investment securities backed by the U.S. government and government agencies and concentrations of large deposits. At March 31, 2018, BankUnited was within acceptable limits established by the ALCO and the Board of Directors for each of these measures.
As a holding company, BankUnited, Inc. is a corporation separate and apart from its banking subsidiary, and therefore, provides for its own liquidity. BankUnited, Inc.’s main sources of funds include management fees and dividends from the Bank, access to capital markets and, to a lesser extent, its own available for sale securities portfolio. There are regulatory limitations that affect the ability of the Bank to pay dividends to BankUnited, Inc. Management believes that such limitations will not impact our ability to meet our ongoing near-term cash obligations.
We expect that our liquidity requirements will continue to be satisfied over the next 12 months through the sources of funds described above.
Interest Rate Risk
The principal component of the Company’s risk of loss arising from adverse changes in the fair value of financial instruments, or market risk, is interest rate risk, including the risk that assets and liabilities with similar re-pricing characteristics may not reprice at the same time or to the same degree. A primary objective of the Company’s asset/liability management activities is to maximize net interest income, while maintaining acceptable levels of interest rate risk. The ALCO is responsible for establishing policies to limit exposure to interest rate risk, and to ensure procedures are established to monitor compliance with these policies. The guidelines established by the ALCO are approved at least annually by the Board of Directors.
Management believes that the simulation of net interest income in different interest rate environments provides the most meaningful measure of interest rate risk. Income simulation analysis is designed to capture not only the potential of all assets and liabilities to mature or reprice, but also the probability that they will do so. Income simulation also attends to the relative interest rate sensitivities of these items, and projects their behavior over an extended period of time. Finally, income simulation permits management to assess the probable effects on the balance sheet not only of changes in interest rates, but also of proposed strategies for responding to them.
The income simulation model analyzes interest rate sensitivity by projecting net interest income over twelve and twenty-four month periods in a most likely rate scenario based on consensus forward interest rate curves versus net interest income in alternative rate scenarios. Simulations are generated based on both static and dynamic balance sheet assumptions. Management continually reviews and refines its interest rate risk management process in response to changes in the interest rate environment and economic climate. Currently, our model projects instantaneous rate shocks of down 100, plus 100, plus 200, plus 300 and

71

Table of Contents

plus 400 basis point shifts as well as flattening and inverted yield curve scenarios. We continually evaluate the scenarios being modeled with a view toward adapting them to changing economic conditions, expectations and trends.
The Company’s ALCO policy provides that net interest income sensitivity will be considered acceptable if decreases in forecast net interest income, based on a dynamic forecasted balance sheet, in specified rate shock scenarios are within specified percentages of forecast net interest income in the most likely rate scenario over the next twelve months and in the second year. The following table illustrates the acceptable limits as defined by policy and the impact on forecasted net interest income of down 100, plus 100, plus 200, plus 300 and plus 400 basis point rate shock scenarios at March 31, 2018 and December 31, 2017:
 
Down 100
 
Plus 100
 
Plus 200
 
Plus 300
 
Plus 400
Policy Limits:
 
 
 
 
 
 
 
 
 
In year 1
(6.0
)%
 
(6.0
)%
 
(10.0
)%
 
(14.0
)%
 
(18.0
)%
In year 2
(9.0
)%
 
(9.0
)%
 
(13.0
)%
 
(17.0
)%
 
(21.0
)%
Model Results at March 31, 2018 - increase (decrease):
 
 
 
 
 
 
 
 
 
In year 1
(2.0
)%
 
1.4
 %
 
2.4
 %
 
2.9
 %
 
3.1
 %
In year 2
(6.5
)%
 
5.2
 %
 
10.0
 %
 
14.5
 %
 
18.4
 %
Model Results at December 31, 2017 - increase (decrease):
 
 
 
 
 
 
 
 
 
In year 1
(0.3
)%
 
(0.1
)%
 
(0.5
)%
 
(1.4
)%
 
(2.7
)%
In year 2
(3.5
)%
 
1.8
 %
 
3.2
 %
 
4.3
 %
 
4.8
 %
Management also simulates changes in EVE in various interest rate environments. The ALCO policy has established parameters of acceptable risk that are defined in terms of the percentage change in EVE from a base scenario under eight rate scenarios, derived by implementing immediate parallel movements of plus and minus 100, 200, 300 and 400 basis points from current rates. We did not simulate decreases in interest rates greater than 100 basis points at March 31, 2018 due to the current low rate environment. The parameters established by the ALCO stipulate that the modeled decline in EVE is considered acceptable if the decline is less than 9%, 18%, 27% and 36% in plus or minus 100, 200, 300 and 400 basis point scenarios, respectively. As of March 31, 2018, our simulation for the Bank indicated percentage changes from base EVE of 1.1%, (2.5)%, (5.3)%, (8.5)% and (12.1)% in down 100, plus 100, plus 200, plus 300 and plus 400 basis point scenarios, respectively.
These measures fall within an acceptable level of interest rate risk per the policies established by the ALCO and the Board of Directors. In the event the models indicate an unacceptable level of risk, the Company could undertake a number of actions that would reduce this risk, including the sale or re-positioning of a portion of its investment portfolio, restructuring of borrowings, or the use of derivatives such as interest rate swaps and caps.
Many assumptions were used by the Company to calculate the impact of changes in interest rates, including the change in rates. Actual results may not be similar to the Company’s projections due to several factors including the timing and frequency of rate changes, market conditions, changes in depositor behavior and the shape of the yield curve. Actual results may also differ due to the Company’s actions, if any, in response to changing rates and conditions.
Derivative Financial Instruments
Interest rate swaps are one of the tools we use to manage interest rate risk. These derivative instruments are used to mitigate exposure to changes in interest rates on variable rate borrowings such as FHLB advances and to manage duration of liabilities. These interest rate swaps are designated as cash flow hedging instruments. The fair value of these instruments is included in other assets and other liabilities in our consolidated balance sheets and changes in fair value are reported in accumulated other comprehensive income. At March 31, 2018, outstanding interest rate swaps designated as cash flow hedges had an aggregate notional amount of $2.2 billion. The aggregate fair value of interest rate swaps designated as cash flow hedges included in other assets was $5.4 million.
Interest rate swaps and caps not designated as cash flow hedges had an aggregate notional amount of $2.4 billion at March 31, 2018. The aggregate fair value of these interest rate swaps and caps included in other assets was $27.6 million and the aggregate fair value included in other liabilities was $31.9 million. These interest rate swaps and caps were entered into as accommodations to certain of our commercial borrowers.
See Note 7 to the consolidated financial statements for additional information about derivative financial instruments.

72

Table of Contents

Off-Balance Sheet Arrangements
For more information on contractual obligations and commitments, see Note 11 to the consolidated financial statements, the FHLB Advances, Notes and Other Borrowings section of this MD&A and Off-Balance Sheet Arrangements in the MD&A of the Company's 2017 Annual Report on Form 10-K.
Critical Accounting Policies and Estimates
The Company has made no significant changes in its critical accounting policies and significant estimates from those disclosed in the 2017 Annual Report on Form 10-K.
Non-GAAP Financial Measures
Tangible book value per common share is a non-GAAP financial measure. Management believes this measure is relevant to understanding the capital position and performance of the Company. Disclosure of this non-GAAP financial measure also provides a meaningful base for comparability to other financial institutions. The following table reconciles the non-GAAP financial measurement of tangible book value per common share to the comparable GAAP financial measurement of book value per common share at March 31, 2018 (in thousands except share and per share data):
Total stockholders' equity
$
3,032,672

Less: goodwill and other intangible assets
77,751

Tangible stockholders’ equity
$
2,954,921

 
 
Common shares issued and outstanding
106,160,751

 
 
Book value per common share
$
28.57

 
 
Tangible book value per common share
$
27.83

Item 3.  Quantitative and Qualitative Disclosures About Market Risk
See the section entitled “Interest Rate Risk” included in Item 2. “Management’s Discussion and Analysis of Financial Condition and Results of Operations.”

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Item 4. Controls and Procedures
Evaluation of Disclosure Controls and Procedures
As of the end of the period covered by this Form 10-Q, we carried out an evaluation under the supervision and with the participation of our management, including the Chief Executive Officer and Chief Financial Officer, of the effectiveness of the design and operation of our disclosure controls and procedures as defined in Exchange Act Rules 13a-15(e) and 15d-15(e). Based upon that evaluation, the Chief Executive Officer and the Chief Financial Officer concluded that our disclosure controls and procedures were effective.
During the quarter ended March 31, 2018, there were no changes in the Company's internal control over financial reporting that materially affected, or are reasonably likely to materially affect, the Company's internal control over financial reporting.
PART II.  OTHER INFORMATION
Item 1.   Legal Proceedings
 The Company is involved as plaintiff or defendant in various legal actions arising in the normal course of business. In the opinion of management, based upon currently available information and the advice of legal counsel, the likelihood is remote that the impact of these proceedings, either individually or in the aggregate, would be material to the Company’s consolidated financial position, results of operations or cash flows.
Item 1A.   Risk Factors
 There have been no material changes in the risk factors disclosed by the Company in its 2017 Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 1, 2018.

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Item 6. 
Exhibits
Exhibit
Number
 
Description
 
Location
 
 
 
 
 
 
 
Filed herewith
 
 
 
 
 
 
 
Filed herewith
 
 
 
 
 
 
 
Filed herewith
 
 
 
 
 
 
 
Filed herewith
 
 
 
 
 
101.INS
 
XBRL Instance Document
 
Filed herewith
 
 
 
 
 
101.SCH
 
XBRL Taxonomy Extension Schema
 
Filed herewith
 
 
 
 
 
101.CAL
 
XBRL Taxonomy Extension Calculation Linkbase
 
Filed herewith
 
 
 
 
 
101.DEF
 
XBRL Taxonomy Extension Definition Linkbase
 
Filed herewith
 
 
 
 
 
101.LAB
 
XBRL Taxonomy Extension Label Linkbase
 
Filed herewith
 
 
 
 
 
101.PRE
 
XBRL Taxonomy Extension Presentation Linkbase
 
Filed herewith

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SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized this 8th day of May 2018
 
/s/ Rajinder P. Singh
 
Rajinder P. Singh
 
President and Chief Executive Officer
 
 
 
 
 
/s/ Leslie N. Lunak
 
Leslie N. Lunak
 
Chief Financial Officer

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