10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark one)

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

For the quarterly period ended June 30, 2019

or

¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Commission File Number 001-38456

Columbia Financial, Inc.

(Exact name of registrant as specified in its charter)

Delaware (State or other jurisdiction of incorporation or organization)	22-3504946 (I.R.S. Employer Identification Number)
19-01 Route 208 North, Fair Lawn, New Jersey (Address of principal executive offices)	07410 (Zip Code)

(800) 522-4167

(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading symbol(s)	Name of each exchange on which registered
Common Stock, $0.01 par value per share	CLBK	The Nasdaq Stock Market LLC

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.

ý Yes ¨ No

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted 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 such files).

ý Yes ¨ No

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer”, “smaller reporting company”, and “emerging growth company” in Rule 12b-2 of the Exchange Act:

Large accelerated filer	¨	Accelerated filer	¨	Smaller reporting company	¨
Non-accelerated filer	ý	Emerging growth company	ý

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. ¨

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

¨ Yes ý No

As of August 9, 2019, there were 116,270,586 shares issued and outstanding of the Registrant's common stock, par value $0.01 per share.

COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Index to Form 10-Q

Item Number		Page Number
PART I.	Financial Information
Item 1.	Financial Statements
	Consolidated Statements of Financial Condition as of June 30, 2019 (Unaudited) and December 31, 2018	2
	Consolidated Statements of Income for the Three and Six Months Ended June 30, 2019 and 2018 (Unaudited)	3
	Consolidated Statements of Comprehensive Income (Loss) for the Three and Six Months ended June 30, 2019 and 2018 (Unaudited)	4
	Consolidated Statements of Changes in Stockholder's Equity for the Three and Six Months Ended June 30, 2019 and 2018 (Unaudited)	5
	Consolidated Statements of Cash Flows for the Six Months Ended June 30, 2019 and 2018 (Unaudited)	7
	Notes to Unaudited Consolidated Financial Statements	9
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	47
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	52
Item 4.	Controls and Procedures	57
PART II.	Other Information
	Item 1. Legal Proceedings	58
	Item 1A. Risk Factors	58
	Item 2. Unregistered Sales of Equity Securities and Use of Proceeds	58
	Item 3. Defaults Upon Senior Securities	58
	Item 4. Mine Safety Disclosures	58
	Item 5. Other Information	58
	Item 6. Exhibit	58
	Exhibit Index	59
	SIGNATURES	60

COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Consolidated Statements of Financial Condition

(In thousands, except share and per share data)

	June 30,			December 31,
	2019			2018
Assets	(Unaudited)
Cash and due from banks	$	54,255		$	42,065
Short-term investments	122			136
Total cash and cash equivalents	54,377			42,201
Debt securities available for sale, at fair value	1,099,801			1,032,868
Debt securities held to maturity, at amortized cost (fair value of $303,179 and $254,841 at June 30, 2019 and December 31, 2018, respectively)	299,605			262,143
Equity securities, at fair value	1,915			1,890
Federal Home Loan Bank stock	58,613			58,938
Loans held-for-sale, at fair value	2,044			8,081
Loans receivable	5,113,174			4,979,182
Less: allowance for loan losses	62,403			62,342
Loans receivable, net	5,050,771			4,916,840
Accrued interest receivable	20,310			18,894
Real estate owned	—			92
Office properties and equipment, net	61,267			52,050
Bank-owned life insurance	187,153			184,488
Goodwill and intangible assets	6,191			6,085
Other assets	138,696			107,048
Total assets	$	6,980,743		$	6,691,618
Liabilities and Stockholders' Equity
Liabilities:
Deposits	$	4,668,645		$	4,413,873
Borrowings	1,163,271			1,189,180
Advance payments by borrowers for taxes and insurance	34,419			32,030
Accrued expenses and other liabilities	106,499			84,475
Total liabilities	5,972,834			5,719,558
Stockholders' equity:
Preferred stock, $0.01 par value. 10,000,000 shares authorized; none issued and outstanding at June 30, 2019 and December 31, 2018	—			—
Common stock, $0.01 par value. 500,000,000 shares authorized; 115,889,175 shares issued; 115,625,275 shares outstanding at June 30, 2019 and 115,889,175 shares outstanding at December 31, 2018	1,159			1,159
Additional paid-in capital	527,650			527,037
Retained earnings	587,714			560,216
Accumulated other comprehensive loss	(61,319		)	(71,897		)
Treasury stock, at cost; 263,900 shares at June 30, 2019 and -0- at December 31, 2018	(3,867		)	—
Common stock held by the Employee Stock Ownership Plan	(42,710		)	(43,835		)
Stock held by Rabbi Trust	(1,407		)	(1,259		)
Deferred compensation obligations	689			639
Total stockholders' equity	1,007,909			972,060
Total liabilities and stockholders' equity	$	6,980,743		$	6,691,618
See accompanying notes to unaudited consolidated financial statements.

2

COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Consolidated Statements of Income

(In thousands, except share and per share data)

	Three Months Ended June 30,					Six Months Ended June 30,
	2019		2018			2019	2018
Interest income:	(Unaudited)
Loans receivable	$	51,709	$	45,865		103,969	89,706
Debt securities available for sale and equity securities	7,900		4,922			15,559	11,336
Debt securities held to maturity	2,115		2,991			4,022	3,455
Federal funds and interest earning deposits	134		584			223	1,072
Federal Home Loan Bank stock dividends	874		657			1,846	1,244
Total interest income	62,732		55,019			125,619	106,813
Interest expense:
Deposits	15,250		9,194			28,929	17,293
Borrowings	6,639		4,810			13,463	9,442
Total interest expense	21,889		14,004			42,392	26,735
Net interest income	40,843		41,015			83,227	80,078
Provision for loan losses	112		2,400			548	4,400
Net interest income after provision for loan losses	40,731		38,615			82,679	75,678
Non-interest income:
Demand deposit account fees	1,051		976			2,010	1,920
Bank-owned life insurance	1,345		1,493			2,665	2,557
Title insurance fees	1,099		1,255			2,140	2,029
Loan fees and service charges	1,500		451			2,320	922
Gain on securities transactions	339		—			465	116
Change in fair value of equity securities	71		—			247	—
Gain on sale of loans	196		15			328	15
Other non-interest income	1,174		1,260			2,637	2,433
Total non-interest income	6,775		5,450			12,812	9,992
Non-interest expense:
Compensation and employee benefits	20,343		18,275			39,923	36,325
Occupancy	3,824		3,518			7,655	7,234
Federal deposit insurance premiums	462		473			887	901
Advertising	1,390		1,292			2,778	2,139
Professional fees	1,431		1,076			2,678	1,857
Data processing	669		672			1,307	1,314
Charitable contribution to foundation	—		34,767			—	34,767
Merger-related expenses	462		—			462	—
Other non-interest expense	3,260		1,695			5,710	3,246
Total non-interest expense	31,841		61,768			61,400	87,783
Income (loss) before income tax expense (benefit)	15,665		(17,703		)	34,091	(2,113	)
Income tax expense (benefit)	3,634		(2,961		)	7,141	845
Net income (loss)	$	12,031	$	(14,742	)	26,950	(2,958	)
Basic and diluted earnings (loss) per share	0.11		(0.13		)	0.24	(0.03	)
Weighted average shares outstanding- basic and diluted	111,553,203		111,360,278			111,544,339	111,360,278
See accompanying notes to unaudited consolidated financial statements.

3

COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Consolidated Statements of Comprehensive Income (Loss)

(In thousands)

	Three Months Ended June 30,						Six Months Ended June 30,
	2019			2018			2019			2018
	(Unaudited)
Net income (loss)	$	12,031		$	(14,742	)	$	26,950		$	(2,958	)
Other comprehensive income (loss), net of tax:
Unrealized gains (losses) on debt securities available for sale	14,092			(2,860		)	23,387			(12,829		)
Accretion of unrealized (loss) gain on debt securities reclassified as held to maturity	(2		)	(3		)	8			(2		)
Reclassification adjustment for gains included in net income	260			—			360			88
	14,350			(2,863		)	23,755			(12,743		)
Derivatives, net of tax:
Unrealized (loss) gain on swap contracts accounted for as cash flow hedges	(4,676		)	164			(7,456		)	506
	(4,676		)	164			(7,456		)	506
Employee benefit plans, net of tax:
Amortization of prior service cost included in net income	(11		)	—			(22		)	118
Reclassification adjustment of actuarial net (loss) gain included in net income	(731		)	—			(1,461		)	527
Change in funded status of retirement obligations	(4,431		)	2,323			(3,690		)	1,266
	(5,173		)	2,323			(5,173		)	1,911
Total other comprehensive income (loss)	4,501			(376		)	11,126			(10,326		)
Total comprehensive income (loss), net of tax	$	16,532		$	(15,118	)	$	38,076		$	(13,284	)
See accompanying notes to unaudited consolidated financial statements.

4

COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Consolidated Statements of Changes in Stockholders' Equity (Unaudited)

Three Months Ended June 30, 2018 and 2019

(In thousands)

	Common Stock		Additional Paid-in-Capital		Retained Earnings			Accumulated Other Comprehensive (Loss)			Treasury Stock			Common Stock Held by the Employee Stock Ownership Plan			Stock Held by Rabbi Trust			Deferred Compensation Obligations			Total Stockholders' Equity
Balance at March 31, 2018	$	—	$	—	$	549,264		$	(75,360	)	$	—		$	—		$	—		$	—		$	473,904
Net (loss)	—		—		(14,742		)	—			—			—			—			—			(14,742		)
Other comprehensive (loss)	—		—		—			(376		)	—			—			—			—			(376		)
Issuance of common stock to Columbia Bank, MHC	626		—		—			—			—			—			—			—			626
Issuance of common stock in initial public offering	498		491,304		—			—			—			—			—			—			491,802
Issuance of common stock to Columbia Bank Foundation	35		34,732		—			—			—			—			—			—			34,767
Purchase of Employee Stock Ownership Plan shares	—		—		—			—			—			(45,428		)	—			—			(45,428		)
Employee Stock Ownership Plan shares committed to be released	—		296		—			—			—			448			—			—			744
Balance at June 30, 2018	$	1,159	$	526,332	$	534,522		$	(75,736	)	$	—		$	(44,980	)	$	—		$	—		$	941,297
Balance at March 31, 2019	$	1,159	$	527,346	$	575,683		$	(65,820	)	$	—		$	(43,276	)	$	(1,359	)	$	769		$	994,502
Net income	—		—		12,031			—			—			—			—			—			12,031
Other comprehensive income	—		—		—			4,501			—			—			—			—			4,501
Purchase of treasury stock	—		—		—			—			(3,867		)	—			—			—			(3,867		)
Employee Stock Ownership Plan shares committed to be released	—		304		—			—			—			566			—			—			870
Funding of deferred compensation obligations	—		—		—			—			—			—			(48		)	(80		)	(128		)
Balance at June 30, 2019	$	1,159	$	527,650	$	587,714		$	(61,319	)	$	(3,867	)	$	(42,710	)	$	(1,407	)	$	689		$	1,007,909
See accompanying notes to unaudited consolidated financial statements.

5

COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Consolidated Statements of Changes in Stockholders' Equity (Unaudited)

Six Months Ended June 30, 2018 and 2019

(In thousands)

	Common Stock		Additional Paid-in-Capital		Retained Earnings			Accumulated Other Comprehensive (Loss)			Treasury Stock			Common Stock Held by the Employee Stock Ownership Plan			Stock Held by Rabbi Trust			Deferred Compensation Obligations		Total Stockholders' Equity
Balance at December 31, 2017	$	—	$	—	$	537,480		$	(65,410	)	$	—		$	—		$	—		$	—	$	472,070
Net (loss)	—		—		(2,958		)	—			—			—			—			—		(2,958		)
Other comprehensive (loss)	—		—		—			(10,326		)	—			—			—			—		(10,326		)
Issuance of common stock to Columbia Bank, MHC	626		—		—			—			—			—			—			—		626
Issuance of common stock in initial public offering	498		491,304		—			—			—			—			—			—		491,802
Issuance of common stock to Columbia Bank Foundation	35		34,732		—			—			—			—			—			—		34,767
Purchase of Employee Stock Ownership Plan shares	—		—		—			—			—			(45,428		)	—			—		(45,428		)
Employee Stock Ownership Plan shares committed to be released	—		296		—			—			—			448			—			—		744
Balance at June 30, 2018	$	1,159	$	526,332	$	534,522		$	(75,736	)	$	—		$	(44,980	)	$	—		$	—	$	941,297
Balance at December 31, 2018	$	1,159	$	527,037	$	560,216		$	(71,897	)	$	—		$	(43,835	)	$	(1,259	)	$	639	$	972,060
Effect of the adoption of Accounting Standards Update ("ASU") 2016-01	—		—		548			(548		)	—			—			—			—		—
Balance at January 1, 2019	1,159		527,037		560,764			(72,445		)	—			(43,835		)	(1,259		)	639		972,060
Net income	—		—		26,950			—			—			—			—			—		26,950
Other comprehensive income	—		—		—			11,126			—			—			—			—		11,126
Purchase of treasury stock	—		—		—			—			(3,867		)	—			—			—		(3,867		)
Employee Stock Ownership Plan shares committed to be released	—		613		—			—			—			1,125			—			—		1,738
Funding of deferred compensation obligations	—		—		—			—			—			—			(148		)	50		(98		)
Balance at June 30, 2019	$	1,159	$	527,650	$	587,714		$	(61,319	)	$	(3,867	)	$	(42,710	)	$	(1,407	)	$	689	$	1,007,909
See accompanying notes to unaudited consolidated financial statements.

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COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Consolidated Statements of Cash Flows

(In thousands)

	Six Months Ended June 30,
	2019			2018
Cash flows from operating activities:	(Unaudited)
Net income (loss)	$	26,950		$	(2,958	)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities:
Amortization of deferred loan fees and costs, premiums and discounts	1,102			837
Net amortization of premiums and discounts on securities	589			707
Net amortization on mortgage servicing rights	(52		)	40
Amortization of debt issuance costs	—			312
Depreciation and amortization of office properties and equipment	2,170			1,834
Provision for loan losses	548			4,400
Gain on securities transactions	(465		)	(116		)
Change in fair value of equity securities	(247		)	—
Gain on sales of loans	(328		)	(15		)
Loss on real estate owned	1			13
Deferred tax (benefit) expense	(7,160		)	6,811
Increase in accrued interest receivable	(1,416		)	(1,152		)
Increase in other assets	(34,322		)	(17,474		)
Increase in accrued expenses and other liabilities	12,880			3,166
Income on bank-owned life insurance	(2,665		)	(2,127		)
Contribution of common stock to Columbia Bank Foundation	—			34,767
Employee stock ownership plan expense	1,738			744
Increase in deferred compensation obligations under Rabbi Trust	(98		)	—
Net cash (used in) provided by operating activities	(775		)	29,789
Cash flows from investing activities:
Proceeds from sales of debt securities available for sale	15,711			—
Proceeds from sales of equity securities	765			—
Proceeds from paydowns/maturities/calls of debt securities available for sale	49,569			39,507
Proceeds from paydowns/maturities/calls on debt securities held to maturity	9,964			4,453
Purchases of debt securities available for sale	(80,499		)	(278,610		)
Purchases of debt securities held to maturity	(47,671		)	(19,761		)
Purchase of equity securities	(417		)	—
Proceeds from sales of loans held-for-sale	45,003			—
Proceeds from sales of loans receivable	2,483			3,695
Purchases of loans receivable	(29,885		)	(4,715		)
Net increase in loans receivable	(168,486		)	(252,786		)
Death benefit proceeds from bank-owned life insurance	—			811
Proceeds from redemptions of Federal Home Loan Bank stock	32,851			40,226
Purchases of Federal Home Loan Bank stock	(32,526		)	(40,571		)
Additions to office properties and equipment	(11,387		)	(5,837		)
Proceeds from sales of real estate owned	91			286
Net cash (used in) investing activities	(214,434		)	(513,302		)
Cash flows from financing activities:
Net increase in deposits	254,772			31,517
Proceeds from long-term borrowings	78,991			154,050
Payments on long-term borrowings	(160,000		)	(120,000		)
Net increase (decrease) in short-term borrowings	55,100			(32,801		)
Increase in advance payments by borrowers for taxes and insurance	2,389			5,432
Issuance of common stock	—			492,428
Purchase of treasury stock	(3,867		)	—
Purchase of employee stock ownership plan shares	—			(45,428		)
Net cash provided by financing activities	227,385			485,198

7

COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Consolidated Statements of Cash Flows (continued)

	Six Months Ended June 30,
	2019			2018
	(Unaudited)
Net increase in cash and cash equivalents	$	12,176		$	1,685
Cash and cash equivalents at beginning of year	42,201			65,498
Cash and cash equivalents at end of period	$	54,377		$	67,183
Cash paid during the period for:
Interest on deposits and borrowings	$	21,491		$	26,947
Income tax payments, net of (refunds)	$	(5,174	)	$	9,435
Non-cash investing and financing activities:
Transfer of loans receivable to loans held-for-sale	$	38,966		$	—
Securitization of loans	$	21,615		$	—
See accompanying notes to unaudited consolidated financial statements.

8

COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

1.Basis of Financial Statement Presentation

The accompanying unaudited consolidated financial statements include the accounts of Columbia Financial, Inc., its wholly-owned subsidiary Columbia Bank (the "Bank") and the Bank's wholly-owned subsidiaries (collectively, the “Company”). In consolidation, all intercompany accounts and transactions are eliminated.

Columbia Financial, Inc. is a majority-owned subsidiary of Columbia Bank, MHC (the "MHC"). The accounts of the MHC are not consolidated in the accompanying consolidated financial statements of the Company.

In preparing the interim unaudited consolidated financial statements, management is required to make estimates and assumptions that affect the reported amounts of assets and liabilities as of the dates of the consolidated statements of financial condition and consolidated statements of income for the periods presented. Actual results could differ from these estimates. Material estimates that are particularly susceptible to change are the determination of the adequacy of the allowance for loan losses, evaluation of the need for valuation allowances on deferred tax assets, and determination of liabilities related to retirement and other post-retirement benefits. These estimates and assumptions are evaluated on an ongoing basis and are adjusted when facts and circumstances dictate.

The interim unaudited consolidated financial statements reflect all normal and recurring adjustments, which are, in the opinion of management, considered necessary for a fair presentation of the financial condition and results of operations for the periods presented. The results of operation for the three and six month periods ended June 30, 2019 are not necessarily indicative of the results of operation that may be expected for the entire fiscal year or any other period. Certain reclassifications have been made in the consolidated financial statements to conform with current year classifications.

The interim unaudited consolidated financial statements of the Company presented herein have been prepared in accordance with the rules of the Securities and Exchange Commission (“SEC”) for quarterly reports on Form 10-Q and U.S. generally accepted accounting principles (“GAAP”). Certain information and note disclosures have been condensed or omitted pursuant to the rules and regulations of the SEC.

These unaudited consolidated financial statements should be read in conjunction with the Company's Annual Report on Form 10-K for the year ended December 31, 2018 and the audited consolidated financial statements included therein.

2.Earnings per Share

Basic earnings per share ("EPS") is computed by dividing net income available to common shareholders by the weighted average number of common shares outstanding during the period. For purposes of calculating basic EPS, weighted average common shares outstanding excludes treasury stock, unallocated employee stock ownership plan shares that have not been committed for release and deferred compensation obligations required to be settled in shares of Company stock.

Diluted EPS is computed using the same method as basic EPS and reflects the potential dilution which could occur if stock options and unvested shares were exercised and converted into common stock. The potentially diluted shares would then be included in the weighted average number of shares outstanding for the period using the treasury stock method. For the three and six months ended June 30, 2019 and 2018, the Company did not have any stock options outstanding.

9

COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

2.    Earnings per Share (continued)

The following is a reconciliation of the numerators and denominators of the basic and diluted earnings per share calculations for the three and six months ended June 30, 2019 and 2018:

	For the Three Months Ended June 30,					For the Six Months Ended June 30,
	2019		2018			2019		2018
	(Dollars in thousands, except per share data)
Net income (loss)	$	12,031	$	(14,742	)	$	26,950	$	(2,958	)
Basic earnings per share:
Weighted average shares outstanding - basic	111,553,203		111,360,278			111,544,339		111,360,278
Basic earnings (loss) per share	$	0.11	$	(0.13	)	$	0.24	$	(0.03	)
Diluted earnings per share:
Weighted average shares outstanding - diluted	111,553,203		111,360,278			111,544,339		111,360,278
Diluted earnings (loss) per share	$	0.11	$	(0.13	)	$	0.24	$	(0.03	)

3.    Stock Repurchase Program

On June 11, 2019, the Company announced that its Board of Directors authorized the Company's first stock repurchase program since the completion of its minority public offering in April 2018. This program, which commenced on June 13, 2019, authorizes the purchase of up to 4,000,000 shares, or approximately 3.5%, of the Company's currently issued and outstanding common stock. During both the three and six months ended June 30, 2019, the Company purchased 263,900 shares at a cost of approximately $3.9 million or $14.65 per share. Repurchased shares are held as treasury stock and will be available for general corporate purposes.

4.     Summary of Significant Accounting Policies

Accounting Pronouncements Adopted in 2019

In March 2017, the FASB issued ASU No. 2017-07, Compensation - Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Post-retirement Benefit Cost, which requires that companies disaggregate the service cost component from other components of net benefit cost. This update calls for companies that offer post-retirement benefits to present the service cost, which is the amount an employer has to set aside each quarter or fiscal year to cover the benefits, in the same line item with other current employee compensation costs. Other components of net benefit cost will be presented in the income statement separately from the service costs component and outside the subtotal of income from operations, if one is presented. The effective date for this ASU for the Company is fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. The Company adopted this guidance effective January 1, 2019. See note 10 for additional disclosure regarding the impact of adoption of this ASU on the Company's consolidated financial statements.

In August 2016, the FASB issued ASU No. 2016-15, Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments, a new standard which addresses diversity in practice related to eight specific cash flow issues: debt prepayment or extinguishment costs, settlement of zero-coupon debt instruments or other debt instruments with coupon interest rates that

are insignificant in relation to the effective interest rate of the borrowing, contingent consideration payments made after a business combination, proceeds from the settlement of insurance claims, proceeds from the settlement of corporate-owned life insurance policies (including bank-owned life insurance policies), distributions received from equity method investees, beneficial interests in securitization

transactions and separately identifiable cash flows and application of the predominance principle. This guidance in the ASU is effective for the Company for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. Entities will apply the standard’s provisions using a retrospective transition method to each period presented. If it is impracticable to apply the amendments retrospectively for some of the issues, the amendments for those issues would be applied prospectively as of the earliest date practicable. The Company adopted this guidance effective January 1, 2019. The adoption of this ASU did not have a material impact on the Company's consolidated financial statements.

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COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

4.    Summary of Significant Accounting Policies (continued)

Accounting Pronouncements Adopted in 2019 (continued)

In January 2016, the FASB issued ASU No. 2016-01, Financial Instruments- Overall: Recognition and Measurement of Financial Assets and Financial Liabilities. This guidance requires an entity to: (i) measure equity investments at fair value through net income, with certain exceptions; (ii) present in other comprehensive income the changes in instrument-specific credit risk for financial liabilities measured using the fair value option; (iii) present financial assets and financial liabilities by measurement category and form of financial asset; (iv) calculate the fair value of financial instruments for disclosure purposes based on an exit price; and (v) assess a valuation

allowance on deferred tax assets related to unrealized losses on available-for-sale debt securities in combination with other deferred tax assets. This guidance provides an election to subsequently measure certain non-marketable equity investments at cost less any impairment and adjusted for certain observable price changes.

The guidance also requires a qualitative impairment assessment of such equity investments and amends certain fair value disclosure requirements. The guidance in the ASU is effective for the Company for annual periods beginning after December 15, 2018.

The Company adopted this guidance effective January 1, 2019. As a result, $1.9 million of equity securities, as of December 31, 2018, were reclassified from securities available for sale, and presented as a separate line item on the consolidated statements of financial condition. The $548,000 after tax unrealized gain on these securities, at time of adoption, was reclassified from other comprehensive income (loss) to retained earnings, and is reflected in the consolidated statements of changes in stockholders' equity. For financial instruments that are measured at amortized cost, the Company measures fair value utilizing an exit price methodology. See note 11 for additional disclosure regarding the impact of adoption of this ASU on the Company's consolidated financial statements.

In May 2014, the FASB issued ASU No. 2014-09, Revenue from Contracts with Customers. The objective of this amendment is to clarify the principles for recognizing revenue and to develop a common revenue standard for U.S. GAAP. This update affects 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 in the scope of other standards. The guidance in the ASU was effective for the Company for fiscal years beginning after December 15, 2018. Subsequently, the FASB issued various amendments that were intended to improve and clarify the implementation guidance of ASU No. 2014-09 and had the same effective date as the original guidance. The Company's revenue is primarily comprised of net interest income on interest earning assets and liabilities and non-interest income. The scope of guidance explicitly excludes net interest income as well as other revenues associated with financial assets and liabilities, including loans, leases, securities and derivatives. The Company adopted this guidance effective January 1, 2019, after completing an evaluation of the Company's revenue streams and applicable revenue recognition, and concluded that there are no material changes related to the timing or amount of revenue recognition. The adoption of this guidance did not have a significant impact on the Company's consolidated financial statements, but resulted in additional footnote disclosures, including the disaggregation of certain categories of revenues. See note 14 for additional disclosure regarding the impact of adoption of this ASU on the Company's consolidated financial statements.

Accounting Pronouncements Not Yet Adopted

In October 2018, the FASB issued ASU No. 2018-16, Derivatives and Hedging (Topic 815)- Inclusion of the Secured Overnight Financing Rate ("SOFR") Overnight Index Swap ("OIS") Rate as a Benchmark Interest Rate for Hedge Accounting Purposes. This ASU permits the use of the OIS rate based upon SOFR as a U.S. benchmark interest rate for hedge accounting purposes under Topic 815 in addition to the direct Treasury obligations of the U.S. Government, the LIBOR swap rate, the OIS rate based on the Fed Funds Effective Rate, and the Securities Industry and Financial Markets Association Municipal Swap Rate. The amendments in this ASU are required to be adopted concurrently with the amendments in ASU No. 2017-12, Derivatives and Hedging: Targeted Improvements to Accounting for Hedging Activities, which was issued in August 2017. The effective date for this ASU for the Company is for fiscal years beginning after December 15, 2019, with early adoption, including adoption in an interim period permitted. The amendments should be adopted on a prospective basis for qualifying new of redesignated hedging relationships entered into on or after date of adoption. The Company does not expect the adoption of this guidance to have a significant impact on its consolidated financial statements.

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COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

4.    Summary of Significant Accounting Policies (continued)

Accounting Pronouncements Not Yet Adopted (continued)

In August 2018, the FASB issued ASU No. 2018-13, Fair Value Measurement (Topic 820):Disclosure Framework-Changes to the Disclosure Requirements for Fair Value Measurement. The purpose of this updated guidance is to improve the effectiveness and disclosures in the notes to the financial statements. The ASU removes the requirement to disclose the amount of and reasons for transfers between Level 1 and Level 2 of the fair value hierarchy; removes the policy for timing of transfers between levels; and removes the disclosure related to the valuation process for Level 3 fair value measurements. The ASU also modifies existing disclosure requirements which relate to the disclosure for investments in certain entities which calculate net asset value and clarifies the disclosure about uncertainty in the measurements as of the reporting date.

For all entities, the effective date for this guidance is fiscal years beginning after December 15, 2019, including interim periods within the reporting period, with early adoption permitted. Entities are also allowed to elect early adoption of the eliminated or modified disclosure requirements and delay adoption of the new disclosure requirements until their effective date. The Company is currently evaluating the impact of the new guidance on its consolidated financial statements.

In August 2018, the FASB issued ASU 2018-14, Compensation-Retirement Benefits-Defined Benefit Plans-General (Subtopic 715-20): Disclosure Framework-Changes to the Disclosure Requirements for Defined Benefit Plans. The amendments in this update modify the disclosure requirements for employers that sponsor defined benefit pension or other post-retirement plans by removing disclosures that no longer are considered cost beneficial, clarifying the specific requirements of disclosures, and adding disclosure requirements identified as relevant. Among other changes, the ASU adds disclosure requirements to Topic 715-20 for the weighted-average interest crediting rates for cash balance plans and other plans with promised interest crediting rates and an explanation of the reasons for significant gains and losses related to changes in benefit obligation for the period. The amendments remove disclosure requirements for the amounts in accumulated other comprehensive income expected to be recognized as components of net periodic benefit cost over the next fiscal year, the amount and timing of plan assets expected to be returned to the employer, and the effects of a one-percentage-point change in assumed health care cost trend rates on the (a) aggregate of the service and interest cost components of net periodic benefit costs and (b) benefit obligation for post-retirement health care benefits. ASU 2018-14 is effective for fiscal years beginning after December 15, 2020, including interim reporting periods within that reporting period, with early adoption permitted. The update is to be applied on a retrospective basis. The Company will evaluate the effect of ASU 2018-14 on its disclosures in the Company's consolidated financial statements.

In March 2017, the FASB issued ASU No. 2017-08, Receivables - Nonrefundable Fees and Other Costs (Subtopic 310-20):Premium Amortization on Purchased Callable Debt Securities. This guidance shortens the amortization period for premiums on callable debt securities by requiring that premiums be amortized to the first (or earliest) call date instead of as an adjustment to the yield over the contractual life. This change more closely aligns the accounting with the economics of a callable debt security and the amortization period with expectations that already are included in market pricing on callable debt securities. This guidance does not change the accounting for discounts on callable debt securities, which will continue to be amortized to the maturity date. This guidance includes only instruments that are held at a premium and have explicit call features. It does not include instruments that contain prepayment features, such as mortgage backed securities; nor does it include call options that are contingent upon future events or in which the timing or amount to be paid is not fixed. The effective date for this ASU for the Company is fiscal years beginning after December 15, 2019, including interim periods within the reporting period, with early adoption permitted. Transition is on a modified retrospective basis with an adjustment to retained earnings as of the beginning of the period of adoption. If early adopted in an interim period, adjustments should be reflected as of the beginning of the fiscal year that includes that interim period. The Company does not expect the adoption of this ASU to have a significant impact on its consolidated financial statements.

In January 2017, the FASB issued ASU No. 2017-04, Intangibles-Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment. The main objective of this guidance is to simplify the accounting for goodwill impairment by requiring that impairment charges be based upon the first step in the current two-step impairment test under ASC 350. Currently, if the fair value of a reporting unit is lower than its carrying amount (Step 1), an entity calculates any impairment charge by comparing the implied fair value of goodwill with its carrying amount (Step 2). The implied fair value of goodwill is calculated by deducting the fair value of all assets and liabilities of the reporting unit from the reporting unit’s fair value as determined in Step 1. To determine the implied fair value of goodwill, entities estimate the fair value of any unrecognized intangible assets and any corporate-level assets or liabilities that were

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COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

4.    Summary of Significant Accounting Policies (continued)

Accounting Pronouncements Not Yet Adopted (continued)

included in the determination of the carrying amount and fair value of the reporting unit in Step 1. Under this guidance, if a reporting unit’s carrying amount exceeds its fair value, an entity will record an impairment charge based on that difference. The impairment charge will be limited to the amount of goodwill allocated to that reporting unit. This guidance eliminates the requirement to calculate a goodwill impairment charge using Step 2. This guidance does not change the guidance on completing Step 1 of the goodwill impairment test. Under this guidance, an entity will still be able to perform the current optional qualitative goodwill impairment assessment before determining whether to proceed to Step 1. The guidance in the ASU will be applied prospectively and is effective for the Company for annual and interim impairment tests performed in periods beginning after December 15, 2019. The Company does not expect the adoption of this ASU to have a significant impact on its consolidated financial statements.

In June 2016, the FASB issued ASU No. 2016-13, Financial Instruments-Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments. The main objective of this ASU is to provide financial statement users with more decision-useful information about expected credit losses on financial instruments by a reporting entity at each reporting date. The amendments of this guidance require financial assets measured at amortized cost to be presented at the net amount expected to be collected. The allowance for credit losses would represent a valuation account that would be deducted from the amortized cost basis of the financial asset(s) to present the net carrying value at the amount expected to be collected on the financial asset. The income statement would reflect the measurement of credit losses that have taken place during the period.

The measurement of expected credit losses would be based on relevant information about past events, including historical experience, current conditions, and reasonable and supportable forecasts that affect the collectability of the reported amount. An entity would be required to use judgment in determining the relevant information and estimation methods that are appropriate in its circumstances. The guidance in the ASU is effective for the Company for fiscal years beginning after December 15, 2019, including interim periods within that reporting period. Early adoption is permitted. The Company is currently evaluating its existing systems and data to support the new standard as well as assessing the impact that the guidance will have on the Company's consolidated financial statements. The Company has formed a working group under the direction of the Chief Financial Officer that is primarily comprised of individuals from various functional areas including finance, credit, risk management, and operations, among others. A detailed implementation plan was developed which includes an assessment of the processes, portfolio segmentation, model development and validation, and system requirements and resources needed. The Company has engaged a third-party vendor to assist with model development, data governance and operational controls to support the adoption of this ASU. Furthermore, this ASU will necessitate establishing an allowance for expected credit losses on debt securities. The Company is continuing its evaluation of the guidance including the potential impact on its consolidated financial statements. The extent of the change is indeterminable at this time as it will be dependent upon portfolio composition and credit quality at the adoption date, as well as economic conditions and forecasts at that time. Upon adoption, any impact to the allowance for credit losses- currently the allowance for loan losses- will have an offsetting impact on retained earnings.

In February 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842). This guidance requires all lessees to recognize a lease liability and a right-of-use asset, measured at the present value of the future minimum lease payments, at the lease commencement date for leases classified as operating leases as well as finance leases. The update also requires new quantitative disclosures related to leases in the Company's consolidated financial statements. There are also practical expedients in this update related to leases that commenced before the effective date, initial direct costs and the use of hindsight to extend or terminate a lease or purchase a leased asset. Lessor accounting remains largely unchanged under this new guidance. In January 2018, the FASB issued ASU 2018-01, Leases (Topic 842)-Land Easement Practical Expedient for Transition to Topic 842, which provides an optional practical expedient to not evaluate land easements which were existing or expired before the adoption of Topic 842 that were not accounted for as leases under Topic 840. In July 2018, the FASB issued ASU 2018-10, Codification Improvements to Topic 842, Leases and ASU 2018-11, Leases (Topic 842) -Targeted Improvements which provides entities with an optional transition method under which comparative periods presented in the financial statements will continue to be in accordance with current Topic 840, Leases, and a practical expedient to not separate non-lease components from the associated lease component. The guidance is effective for the Company for annual periods beginning after December 15, 2019, including interim periods within that reporting period. In the evaluation of this guidance, the Company identified the inventory of leases and actively accumulated the requisite lease data necessary to apply the guidance. The Company expects to record a right of use asset and lease liability as of January 1, 2020. The Company has selected a software platform which will support the recording, accounting and disclosure requirements of the new lease guidance. The Company is continuing its efforts to evaluate the impact of this guidance and, as such, no conclusions have yet been reached regarding the potential impact on adoption on the Company's consolidated financial statements; however, the Company does not expect the adoption to have a material impact on its results of operations.

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COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

5.    Debt Securities Available for Sale

Debt securities available for sale at June 30, 2019 and December 31, 2018 are summarized as follows:

	June 30, 2019
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Fair Value
			(In thousands)
U.S. government and agency obligations	$	49,623	$	684	$	(46	)	$	50,261
Mortgage-backed securities and collateralized mortgage obligations	965,224		14,808		(1,613		)	978,419
Municipal obligations	2,420		—		—			2,420
Corporate debt securities	64,494		486		(786		)	64,194
Trust preferred securities	5,000		—		(493		)	4,507
	$	1,086,761	$	15,978	$	(2,938	)	$	1,099,801

	December 31, 2018
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Fair Value
			(In thousands)
U.S. government and agency obligations	$	54,821	$	53	$	(717	)	$	54,157
Mortgage-backed securities and collateralized mortgage obligations	934,631		2,812		(17,436		)	920,007
Municipal obligations	987		—		—			987
Corporate debt securities	54,493		129		(1,155		)	53,467
Trust preferred securities	5,000		—		(750		)	4,250
	$	1,049,932	$	2,994	$	(20,058	)	$	1,032,868

The amortized cost and fair value of debt securities available for sale at June 30, 2019, by contractual final maturity, is shown below. Expected maturities may differ from contractual maturities due to prepayment or early call options exercised by the issuer.

	June 30, 2019
	Amortized Cost		Fair Value
	(In thousands)
One year or less	$	12,319	$	12,322
More than one year to five years	45,050		45,319
More than five years to ten years	59,168		59,261
More than ten years	5,000		4,480
	$	121,537	$	121,382
Mortgage-backed securities and collateralized mortgage obligations	965,224		978,419
	$	1,086,761	$	1,099,801

Mortgage-backed securities and collateralized mortgage obligations totaling $965.2 million at amortized cost, and $978.4 million at fair value, are not classified by maturity in the table above as their expected lives are likely to be shorter than the contractual maturity date due to principal prepayments.

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COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

5.     Debt Securities Available for Sale (continued)

During the three and six months ended June 30, 2019, proceeds from the sales of debt securities available for sale totaled $15.7 million, resulting in $339,000 of gross gains and no gross losses. During the three and six months ended June 30, 2019, there were no calls of debt securities available for sale. During the six months ended June 30, 2019 proceeds from one matured debt security available for sale totaled $797,000. During the three months ended June 30, 2019, there were no maturities of debt securities available for sale.

During the three and six months ended June 30, 2018, there were no sales of debt securities available for sale. During the six months ended June 30, 2018, proceeds from one called debt security available for sale totaled $10.0 million, resulting in a $116,000 gross gain and no gross loss. During the three months ended June 30, 2018, there were no calls of debt securities available for sale.

Debt securities available for sale having a carrying value of $210.5 million and $232.7 million, respectively, at June 30, 2019 and December 31, 2018, respectively, were pledged as security for public funds on deposit at the Bank as required and permitted by law.

The following tables summarize the fair value and gross unrealized losses of those securities that reported an unrealized loss at June 30, 2019 and December 31, 2018 and if the unrealized loss position was continuous for the twelve months prior to those respective dates:

	June 30, 2019
	Less Than 12 Months					12 Months or Longer					Total
	Fair Value		Gross Unrealized (Losses)			Fair Value		Gross Unrealized (Losses)			Fair Value		Gross Unrealized (Losses)
	(In thousands)
U.S. government and agency obligations	$	—	$	—		$	19,928	$	(46	)	$	19,928	$	(46	)
Mortgage-backed securities and collateralized mortgage obligations	29,160		(158		)	193,169		(1,455		)	222,329		(1,613		)
Corporate debt securities	9,794		(208		)	14,422		(578		)	24,216		(786		)
Trust preferred securities	—		—			4,507		(493		)	4,507		(493		)
	$	38,954	$	(366	)	$	232,026	$	(2,572	)	$	270,980	$	(2,938	)

	December 31, 2018
	Less Than 12 Months							12 Months or Longer							Total
	Fair Value		—	Gross Unrealized (Losses)			—	Fair Value		—	Gross Unrealized (Losses)			—	Fair Value		—	Gross Unrealized (Losses)
	(In thousands)
U.S. government and agency obligations	$	14,668		$	(202	)		$	29,437		$	(515	)		$	44,105		$	(717	)
Mortgage-backed securities and collateralized mortgage obligations	176,614			(1,034		)		509,397			(16,402		)		686,011			(17,436		)
Corporate debt securities	26,480			(512		)		9,358			(643		)		35,838			(1,155		)
Trust preferred securities	—			—				4,250			(750		)		4,250			(750		)
	$	217,762		$	(1,748	)		$	552,442		$	(18,310	)		$	770,204		$	(20,058	)

The Company evaluates securities for other-than-temporary impairment at each reporting period and more frequently when economic or market conditions warrant such evaluation. The temporary loss position associated with debt securities available for sale was the result of changes in market interest rates relative to the coupon of the individual security and changes in credit spreads. The Company does not have the intent to sell securities in a temporary loss position at June 30, 2019, nor is it more likely than not that the Company will be required to sell the securities before the anticipated recovery.

The number of securities in an unrealized loss position as of June 30, 2019 totaled 64, compared with 151 at December 31, 2018. All temporarily impaired securities were investment grade as of June 30, 2019 and December 31, 2018.

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COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

5.     Debt Securities Available for Sale (continued)

The Company did not record an other-than-temporary impairment charge on debt securities available for sale during the three and six months ended June 30, 2019 and 2018.

6.    Debt Securities Held to Maturity

Debt securities held to maturity at June 30, 2019 and December 31, 2018 are summarized as follows:

	June 30, 2019
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Fair Value
	(In thousands)
U.S. government and agency obligations	$	38,406	$	115	$	—		$	38,521
Mortgage-backed securities and collateralized mortgage obligations	261,199		3,926		(467		)	264,658
	$	299,605	$	4,041	$	(467	)	$	303,179

	December 31, 2018
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Fair Value
	(In thousands)
U.S. government and agency obligations	$	23,404	$	45	$	(208	)	$	23,241
Mortgage-backed securities and collateralized mortgage obligations	238,739		28		(7,167		)	231,600
	$	262,143	$	73	$	(7,375	)	$	254,841

The amortized cost and fair value of debt securities held to maturity at June 30, 2019, by contractual final maturity, is shown below. Expected maturities may differ from contractual maturities due to prepayment or early call options exercised by the issuer.

	June 30, 2019
	Amortized Cost		Fair Value
	(In thousands)
More than five years to ten years	$	28,406	$	28,443
More than ten years	10,000		10,078
	38,406		38,521
Mortgage-backed securities and collateralized mortgage obligations	261,199		264,658
	$	299,605	$	303,179

Mortgage-backed securities and collateralized mortgage obligations totaling $261.2 million at amortized cost, and $264.7 million at fair value, are not classified by maturity in the table above as their expected lives are likely to be shorter than the contractual maturity date due to principal prepayments.

During the three and six months ended June 30, 2019, there were no sales or maturities of debt securities held to maturity. During the three and six months ended June 30, 2019, proceeds from one called debt security held to maturity totaled $5.0 million, resulting in no gross gain or loss.

During the three and six months ended June 30, 2018, there were no sales, calls or maturities of debt securities held for maturity.

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COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

6.    Debt Securities Held to Maturity (continued)

Debt securities held to maturity having a carrying value of $198.6 million and $187.0 million, at June 30, 2019 and December 31, 2018, respectively, were pledged as security for public funds on deposit at the Bank as required and permitted by law.

The following tables summarize the fair value and gross unrealized losses of those securities that reported an unrealized loss at June 30, 2019 and December 31, 2018 and if the unrealized loss position was continuous for the twelve months prior to June 30, 2019 and December 31, 2018:

	June 30, 2019
	Less Than 12 Months					12 Months or Longer					Total
	Fair Value		Gross Unrealized (Losses)			Fair Value		Gross Unrealized (Losses)			Fair Value		Gross Unrealized (Losses)
	(In thousands)
Mortgage-backed securities and collateralized mortgage obligations	$	7,711	$	(103	)	$	44,849	$	(364	)	$	52,560	$	(467	)
	$	7,711	$	(103	)	$	44,849	$	(364	)	$	52,560	$	(467	)

	December 31, 2018
	Less Than 12 Months					12 Months or Longer					Total
	Fair Value		Gross Unrealized (Losses)			Fair Value		Gross Unrealized (Losses)			Fair Value		Gross Unrealized (Losses)
	(In thousands)
U.S. government and agency obligations	$	—	$	—		$	8,197	$	(208	)	$	8,197	$	(208	)
Mortgage-backed securities and collateralized mortgage obligations	11,265		(69		)	213,246		(7,098		)	224,511		(7,167		)
	$	11,265	$	(69	)	$	221,443	$	(7,306	)	$	232,708	$	(7,375	)

The Company evaluates securities for other-than-temporary impairment at each reporting period and more frequently when economic or market conditions warrant such evaluation. The temporary loss position associated with debt securities held to maturity was the result of changes in market interest rates relative to the coupon of the individual security and changes in credit spreads. The Company does not have the intent to sell securities in a temporary loss position at June 30, 2019, nor is it more likely than not that the Company will be required to sell the securities before the anticipated recovery.

The number of securities in an unrealized loss position as of June 30, 2019 totaled 46, compared with 88 at December 31, 2018. All temporarily impaired securities were investment grade as of June 30, 2019 and December 31, 2018.

The Company did not record an other-than-temporary impairment charge on debt securities held to maturity during the three and six months ended June 30, 2019 and 2018.

7.    Equity Securities at Fair Value

The Company has an equity securities portfolio which consists of investments in other financial institutions and a payment technology company, which is reported at fair value on the Company's consolidated statements of financial condition. The fair value of the equities portfolio at both June 30, 2019 and December 31, 2018 was $1.9 million.

The Company adopted ASU 2016-01 on January 1, 2019, resulting in a $548,000 after tax cumulative-effect adjustment from other comprehensive income (loss) to retained earnings, as reflected in the consolidated statements of changes in stockholders' equity. The Company recorded the net increase in the fair value of equity securities of $71,000 and $247,000, during the three and six months ended June 30, 2019, as a component of non-interest income.

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COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

7.    Equity Securities at Fair Value (continued)

During the three months ended June 30, 2019, there were no sales of equity securities. During the six months ended June 30, 2019, proceeds from sales of equity securities totaled $765,000, resulting in $126,000 of gross gains and no gross losses. There were no sales of equity securities during the three and six months ended June 30, 2018.

8.     Loans Receivable and Allowance for Loan Losses

Loans receivable at June 30, 2019 and December 31, 2018 are summarized as follows:

	June 30,		December 31,
	2019		2018
	(In thousands)
Real estate loans:
One-to-four family	$	1,819,539	$	1,830,186
Multifamily and commercial	2,248,300		2,142,154
Construction	293,550		261,473
Commercial business loans	358,620		333,876
Consumer loans:
Home equity loans and advances	375,124		393,492
Other consumer loans	1,124		1,108
Total gross loans	5,096,257		4,962,289
Net deferred loan costs, fees and purchased premiums and discounts	16,917		16,893
Loans receivable	$	5,113,174	$	4,979,182

The Company had $2.0 million and $8.1 million of one-to-four family real estate loans held-for-sale at June 30, 2019 and December 31, 2018, respectively. During the three and six months ended June 30, 2019, the Company sold one-to-four family real estate loans held-for-sale totaling $27.6 million and $45.0 million, respectively. These sales resulted in gross gains of $196,000 and $328,000, respectively, and no gross losses. No gross gains or losses were recognized on loans held-for-sale during the three and six months ended June 30, 2018.

During the three and six months ended June 30, 2019 the Company sold $2.5 million of one-to-four family and home equity loans included in loans receivable. No gross gains or losses were recognized on the sale of these loans. During both the three and six months ended June 30, 2018, the Company sold $3.7 million of loans receivable. These sales of one-to-four family real estate loans to a third party resulted in gross gains of $15,000 and no gross losses.

During the three and six months ended June 30, 2019, the Company purchased $2.6 million and $5.0 million, respectively, of one-to-four family real estate loans from third parties. During the three and six months ended June 30, 2019, the Company purchased $24.9 million of commercial real estate loans from third parties. The Company purchased $2.6 million of one-to-four family real estate loans and $2.1 million of commercial real estate loans from third parties during the three and six months ended June 30, 2018.

At June 30, 2019 and December 31, 2018, the carrying value of loans serviced by the Company for investors was $503.9 million and $462.7 million, respectively.

The Company periodically enters into Guarantor Swaps with Freddie Mac which results in improved liquidity. During the three and six months ended June 30, 2019, the Company securitized $15.6 million and $21.6 million, respectively of loans for a Freddie Mac Mortgage Participation Certificate. The Company retained the servicing of these loans. No loans were sold to Freddie Mac in exchange for Freddie Mac Mortgage Participation Certificates during the three and six months ended June 30, 2018.

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COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

8.     Loans Receivable and Allowance for Loan Losses (continued)

The following tables summarize the aging of loans receivable by portfolio segment at June 30, 2019 and December 31, 2018:

	June 30, 2019
	30-59 Days		60-89 Days		90 Days or More		Total Past Due		Current		Total
	(In thousands)
Real estate loans:
One-to-four family	$	8,246	$	799	$	2,420	$	11,465	$	1,808,074	$	1,819,539
Multifamily and commercial	—		1,396		451		1,847		2,246,453		2,248,300
Construction	—		1,700		—		1,700		291,850		293,550
Commercial business loans	126		534		689		1,349		357,271		358,620
Consumer loans:
Home equity loans and advances	898		1,097		389		2,384		372,740		375,124
Other consumer loans	—		—		—		—		1,124		1,124
Total loans	$	9,270	$	5,526	$	3,949	$	18,745	$	5,077,512	$	5,096,257

	December 31, 2018
	30-59 Days		60-89 Days		90 Days or More		Total Past Due		Current		Total
	(In thousands)
Real estate loans:
One-to-four family	$	8,384	$	1,518	$	819	$	10,721	$	1,819,465	$	1,830,186
Multifamily and commercial	1,870		1,425		154		3,449		2,138,705		2,142,154
Construction	—		—		—		—		261,473		261,473
Commercial business loans	208		279		911		1,398		332,478		333,876
Consumer loans:
Home equity loans and advances	1,550		173		905		2,628		390,864		393,492
Other consumer loans	—		—		—		—		1,108		1,108
Total loans	$	12,012	$	3,395	$	2,789	$	18,196	$	4,944,093	$	4,962,289

The Company considers a loan to be delinquent when we have not received a payment within 30 days of its contractual due date. Generally, a loan is designated as a non-accrual loan when the payment of interest is 90 days or more in arrears of its contractual due date. Non-accruing loans are returned to accrual status after there has been a sustained period of repayment performance (generally six consecutive months of payments) and both principal and interest are deemed collectible. The Company identifies loans that may need to be charged-off as a loss, by reviewing all delinquent loans, classified loans and other loans that management may have concerns about collectability. At June 30, 2019 and December 31, 2018, non-accrual loans totaled $6.7 million and $2.8 million, respectively. Included in non-accrual loans at June 30, 2019, are nine loans totaling $2.7 million which are less than 90 days in arrears. This includes three loans to one borrower totaling $2.4 million that were identified as having circumstances that indicate a concern regarding continued collectability. At December 31, 2018, no loans less than 90 days in arrears were included in non-accrual loans.

At June 30, 2019 and December 31, 2018, there were no loans past due 90 days or more and still accruing interest.

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COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

8.     Loans Receivable and Allowance for Loan Losses (continued)

The following table provides information with respect to our non-accrual loans at June 30, 2019 and December 31, 2018:

	June 30,		December 31,
	2019		2018
	(In thousands)
Non-accrual loans:
Real estate loans:
One-to-four family	$	2,567	$	819
Multifamily and commercial	451		154
Construction	1,700		—
Commercial business loans	1,384		911
Consumer loans:
Home equity loans and advances	592		905
Total non-accrual loans	$	6,694	$	2,789

We may obtain physical possession of real estate collateralizing a residential mortgage loan via foreclosure or through an in-substance repossession. At June 30, 2019, the Company had no real estate owned. At December 31, 2018, we held one single-family property in real estate owned with a carrying value of $92,000 that was acquired through foreclosure on a residential mortgage loan. At June 30, 2019 and December 31, 2018, we had 5 and 14 residential mortgage loans with carrying values of $1.0 million and $1.6 million, respectively, collateralized by residential real estate which are in the process of foreclosure.

The following tables summarize loans receivable and allowance for loan losses by portfolio segment and impairment method at June 30, 2019 and December 31, 2018:

	June 30, 2019
	One-to-Four Family		Multifamily and Commercial		Construction		Commercial Business		Home Equity Loans and Advances		Other Consumer Loans		Unallocated		Total
	(In thousands)
Allowance for loan losses:
Individually evaluated for impairment	$	520	$	2	$	372	$	404	$	11	$	—	$	—	$	1,309
Collectively evaluated for impairment	15,090		22,677		8,434		12,314		2,572		7		—		61,094
Total	$	15,610	$	22,679	$	8,806	$	12,718	$	2,583	$	7	$	—	$	62,403
Total loans:
Individually evaluated for impairment	$	8,414	$	2,648	$	1,700	$	7,822	$	2,550	$	—	$	—	$	23,134
Collectively evaluated for impairment	1,811,125		2,245,652		291,850		350,798		372,574		1,124		—		5,073,123
Total loans	$	1,819,539	$	2,248,300	$	293,550	$	358,620	$	375,124	$	1,124	$	—	$	5,096,257

20

COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

8.     Loans Receivable and Allowance for Loan Losses (continued)

	December 31, 2018
	One-to-Four Family		Multifamily and Commercial		Construction		Commercial Business		Home Equity Loans and Advances		Other Consumer Loans		Unallocated		Total
	(In thousands)
Allowance for loan losses:
Individually evaluated for impairment	$	537	$	—	$	—	$	366	$	12	$	—	$	—	$	915
Collectively evaluated for impairment	14,695		23,251		7,217		13,810		2,446		8		—		61,427
Total	$	15,232	$	23,251	$	7,217	$	14,176	$	2,458	$	8	$	—	$	62,342
Total loans:
Individually evaluated for impairment	$	9,048	$	2,695	$	—	$	2,944	$	3,100	$	—	$	—	$	17,787
Collectively evaluated for impairment	1,821,138		2,139,459		261,473		330,932		390,392		1,108		—		4,944,502
Total loans	$	1,830,186	$	2,142,154	$	261,473	$	333,876	$	393,492	$	1,108	$	—	$	4,962,289

Loan modifications to borrowers experiencing financial difficulties that are considered troubled debt restructurings ("TDRs") primarily involve the lowering of the monthly payments on such loans through either a reduction in interest rate below a market rate, an extension of the term of the loan without a corresponding adjustment to the risk premium reflected in the interest rate, or a combination of these two methods. These modifications generally do not result in the forgiveness of principal or accrued interest. In addition, the Company attempts to obtain additional collateral or guarantor support when modifying such loans. Non-accruing restructured loans may be returned to accrual status when there has been a sustained period of repayment performance (generally six consecutive months of payments) and both principal and interest are deemed collectible.

21

COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

8.     Loans Receivable and Allowance for Loan Losses (continued)

The following tables present the number of loans modified as TDRs during the three and six months ended June 30, 2019 and 2018, along with their balances immediately prior to the modification date and post-modification. Post-modification recorded investment represents the net book balance immediately following modification.

	For the Three Months Ended June 30,
	2019					2018
	No. of Loans	Pre-modification Recorded Investment		Post-modification Recorded Investment		No. of Loans	Pre-modification Recorded Investment		Pre-modification Recorded Investment
	(Dollars in thousands)
Troubled Debt Restructurings
Real estate loans:
One-to-four family	—	$	—	$	—	3	$	378	$	378
Total restructured loans	—	$	—	$	—	3	$	378	$	378

	For the Six Months Ended June 30,
	2019					2018
	No. of Loans	Pre-modification Recorded Investment		Post-modification Recorded Investment		No. of Loans	Pre-modification Recorded Investment		Pre-modification Recorded Investment
	(Dollars in thousands)
Troubled Debt Restructurings
Real estate loans:
One-to-four family	—	$	—	$	—	4	$	462	$	462
Commercial business loans	1	4,095		4,095		—	—		—
Consumer loans:
Home equity loans and advances	—	—		—		1	588		588
Total restructured loans	1	$	4,095	$	4,095	5	$	1,050	$	1,050

22

COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

8.     Loans Receivable and Allowance for Loan Losses (continued)

The activity in the allowance for loan losses by portfolio segment for the three and six months ended June 30, 2019 and 2018 are as follows:

	For the Three Months Ended June 30,
	One-to-Four Family			Multifamily and Commercial		Construction			Commercial Business			Home Equity Loans and Advances			Other Consumer Loans			Unallocated			Total
	(In thousands)
2019
Balance at beginning of period	$	17,375		$	20,986	$	9,033		$	12,225		$	3,146		$	6		$	—		$	62,771
Provision charged (credited)	(1,254		)	1,693		(228		)	441			(542		)	2			—			112
Recoveries	4			—		1			53			—			—			—			58
Charge-offs	(515		)	—		—			(1		)	(21		)	(1		)	—			(538		)
Balance at end of period	$	15,610		$	22,679	$	8,806		$	12,718		$	2,583		$	7		$	—		$	62,403
2018
Balance at beginning of period	$	18,828		$	19,097	$	6,574		$	10,800		$	3,924		$	7		$	722		$	59,952
Provision charged (credited)	(324		)	3,705		154			87			(1,153		)	5			(74		)	2,400
Recoveries	51			—		—			36			99			3			—			189
Charge-offs	(6		)	—		—			(3		)	—			(8		)	—			(17		)
Balance at end of period	$	18,549		$	22,802	$	6,728		$	10,920		$	2,870		$	7		$	648		$	62,524

23

COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

8.     Loans Receivable and Allowance for Loan Losses (continued)

	For the Six Months Ended June 30,
	One-to-Four Family			Multifamily and Commercial			Construction		Commercial Business			Home Equity Loans and Advances			Other Consumer Loans			Unallocated		Total
	(In thousands)
2019
Balance at beginning of period	$	15,232		$	23,251		$	7,217	$	14,176		$	2,458		$	8		$	—	$	62,342
Provision charged (credited)	868			(572		)	1,588		(1,555		)	219			—			—		548
Recoveries	25			—			1		366			7			—			—		399
Charge-offs	(515		)	—			—		(269		)	(101		)	(1		)	—		(886		)
Balance at end of period	$	15,610		$	22,679		$	8,806	$	12,718		$	2,583		$	7		$	—	$	62,403
2018
Balance at beginning of period	$	19,991		$	19,933		$	5,217	$	8,275		$	4,577		$	8		$	177	$	58,178
Provision charged (credited)	(1,552		)	2,998			1,508		2,783			(1,810		)	2			471		4,400
Recoveries	171			—			3		87			103			5			—		369
Charge-offs	(61		)	(129		)	—		(225		)	—			(8		)	—		(423		)
Balance at end of period	$	18,549		$	22,802		$	6,728	$	10,920		$	2,870		$	7		$	648	$	62,524

24

COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

8.     Loans Receivable and Allowance for Loan Losses (continued)

The following tables present loans individually evaluated for impairment by loan segment at June 30, 2019 and December 31, 2018:

	At June 30, 2019
	Recorded Investment		Unpaid Principal Balance		Specific Allowance
	(In thousands)
With no allowance recorded:
Real estate loans:
One-to-four family	$	3,657	$	4,802	$	—
Multifamily and commercial	1,528		2,315		—
Commercial business loans	2,616		2,803		—
Consumer loans:
Home equity loans and advances	1,427		1,781		—
	9,228		11,701		—
With a specific allowance recorded:
Real estate loans:
One-to-four family	4,757		4,807		520
Multifamily and commercial	1,120		1,120		2
Construction	1,700		1,700		372
Commercial business loans	5,206		5,206		404
Consumer loans:
Home equity loans and advances	1,123		1,124		11
	13,906		13,957		1,309
Total:
Real estate loans:
One-to-four family	8,414		9,609		520
Multifamily and commercial	2,648		3,435		2
Construction	1,700		1,700		372
Commercial business loans	7,822		8,009		404
Consumer loans:
Home equity loans and advances	2,550		2,905		11
Total loans	$	23,134	$	25,658	$	1,309

25

COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

8.     Loans Receivable and Allowance for Loan Losses (continued)

	At December 31, 2018
	Recorded Investment		Unpaid Principal Balance		Specific Allowance
	(In thousands)
With no allowance recorded:
Real estate loans:
One-to-four family	$	4,156	$	5,307	$	—
Multifamily and commercial	2,695		3,482		—
Commercial business loans	2,285		2,374		—
Consumer loans:
Home equity loans and advances	2,511		2,866		—
	11,647		14,029		—
With a specific allowance recorded:
Real estate loans:
One-to-four family	4,892		4,939		537
Commercial business loans	659		768		366
Consumer loans:
Home equity loans and advances	589		589		12
	6,140		6,296		915
Total:
Real estate loans:
One-to-four family	9,048		10,246		537
Multifamily and commercial	2,695		3,482		—
Commercial business loans	2,944		3,142		366
Consumer loans:
Home equity loans and advances	3,100		3,455		12
	$	17,787	$	20,325	$	915

Specific allocations of the allowance for loan losses attributable to impaired loans totaled $1.3 million and $915,000 at June 30, 2019 and December 31, 2018, respectively. At June 30, 2019 and December 31, 2018, impaired loans for which there was no related allowance for loan losses totaled $9.2 million and $11.6 million, respectively.

The recorded investment in TDRs totaled $19.5 million at June 30, 2019, of which one loan totaling $436,000 was 30-59 days past due. The remaining loans modified were current at the time of restructuring and have complied with the terms of their restructure agreement at June 30, 2019. The recorded investment in TDRs totaled $16.0 million at December 31, 2018, of which one loan totaling $101,000 was over 90 days past due, and seven loans totaling $1.0 million were 30-59 days past due. The remaining loans modified were current at the time of restructuring and have complied with the terms of their restructure agreement at December 31, 2018.

26

COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

8.     Loans Receivable and Allowance for Loan Losses (continued)

The following tables present interest income recognized for loans individually evaluated for impairment, by loan segment, for the three and six months ended June 30, 2019 and 2018:

	For the Three Months Ended June 30,
	2019				2018
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
	(In thousands)
Real estate loans:
One-to-four family	$	8,611	$	108	$	10,715	$	103
Multifamily and commercial	2,666		37		2,718		30
Construction	1,700		—		—		—
Commercial business loans	6,616		98		3,180		25
Consumer loans:
Home equity loans and advances	2,699		47		3,260		39
Total loans	$	22,292	$	290	$	19,873	$	197

	For the Six Months Ended June 30,
	2019				2018
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
	(In thousands)
Real estate loans:
One-to-four family	$	9,149	$	214	$	11,025	$	103
Multifamily and commercial	2,681		74		3,043		28
Construction	1,133		25		—		—
Commercial business loans	5,430		178		3,541		25
Consumer loans:
Home equity loans and advances	2,920		99		3,037		38
Total loans	$	21,313	$	590	$	20,646	$	194

The Company utilizes an eight-point risk rating system to summarize its loan portfolio into categories with similar risk characteristics. Loans deemed to be “acceptable quality” are rated 1 through 4 (Pass), with a rating of 1 established for loans with minimal risk. Loans that are deemed to be of “questionable quality” are rated 5 (Special Mention) or 6 (Substandard). Loans with adverse classifications are rated 7 (Doubtful) or 8 (Loss). The risk ratings are also confirmed through periodic loan review examinations which are currently performed by both an independent third-party and the Company's credit risk review department. The Company requires an annual review be performed above certain dollar thresholds, depending on loan type, to help determine the appropriate risk ratings. Results from examinations are presented to the Audit Committee of the Board of Directors.

27

COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

8.     Loans Receivable and Allowance for Loan Losses (continued)

The following tables present loans receivable by credit risk indicator and by loan segment:

	At June 30, 2019
	One-to-Four Family		Multifamily and Commercial		Construction		Commercial Business		Home Equity Loans and Advances		Other Consumer Loans		Total
	(In thousands)
Pass	$	1,815,526	$	2,234,349	$	291,850	$	342,966	$	374,025	$	1,124	$	5,059,840
Special mention	—		89		—		11,109		—		—		11,198
Substandard	4,013		13,862		1,700		4,545		1,099		—		25,219
Doubtful	—		—		—		—		—		—		—
Total	$	1,819,539	$	2,248,300	$	293,550	$	358,620	$	375,124	$	1,124	$	5,096,257

	December 31, 2018
	One-to-Four Family		Multifamily and Commercial		Construction		Commercial Business		Home Equity Loans and Advances		Other Consumer Loans		Total
	(In thousands)
Pass	$	1,826,066	$	2,128,680	$	261,473	$	320,451	$	392,092	$	1,108	$	4,929,870
Special mention	—		—		—		9,074		—		—		9,074
Substandard	4,120		13,474		—		4,351		1,400		—		23,345
Doubtful	—		—		—		—		—		—		—
Total	$	1,830,186	$	2,142,154	$	261,473	$	333,876	$	393,492	$	1,108	$	4,962,289

9.     Deposits

Deposits at June 30, 2019 and December 31, 2018 are summarized as follows:

	June 30,		December 31,
	2019		2018
	(In thousands)
Non-interest-bearing demand	$	754,101	$	723,794
Interest-bearing demand	1,313,914		1,219,381
Money market accounts	261,369		259,694
Savings and club deposits	486,214		510,688
Certificates of deposit	1,853,047		1,700,316
Total deposits	$	4,668,645	$	4,413,873

The aggregate amount of certificates of deposit that meet or exceed $100,000 totaled approximately $1.0 billion and $885.3 million as of June 30, 2019 and December 31, 2018, respectively.

Interest expense on deposits for the three and six months ended June 30, 2019 and June 30, 2018 totaled $15.3 million and $9.2 million, and $28.9 million and $17.3 million, respectively.

28

COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

9.     Deposits (continued)

Scheduled maturities of certificates of deposit accounts at June 30, 2019 and December 31, 2018 are summarized as follows:

	June 30,		December 31,
	2019		2018
	(In thousands)
One year or less	$	1,126,921	$	1,107,667
After one year to two years	479,796		326,800
After two years to three years	223,123		230,468
After three years to four years	12,051		24,939
After four years	11,156		10,442
	$	1,853,047	$	1,700,316

10.    Components of Net Periodic Benefit Cost

Pension Plan, Retirement Income Maintenance Plan (the "RIM Plan") and Post-retirement Plan

The Company maintains a single employer, tax-qualified defined benefit pension plan (the "Pension Plan") which covers full-time employees that satisfy the Pension Plan's eligibility requirements. The benefits are based on years of service and the employee's compensation during the last five years of employment. Effective October 1, 2018, employees hired by the Bank are not eligible to participate in the Pension Plan as the Pension Plan has been closed to new employees as of that date.

The Company also has a Retirement Income Maintenance Plan (the "RIM "Plan) which is a non-qualified defined benefit plan which provides benefits to all employees of the Company if their benefits under the Pension Plan are limited by Internal Revenue Code 415 and 401(a)(17).    

In addition, the Company provides certain health care and life insurance benefits to eligible retired employees under a Post-retirement Plan. The Company accrues the cost of retiree health care and other benefits during the employees’ period of active service. Effective January 1, 2019, the Post-retirement Plan has been closed to new hires. The Company also provides life insurance benefits to eligible employees under an endorsement split-dollar life insurance program.

29

COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

10.    Components of Net Periodic Benefit Cost (continued)

Net periodic benefit (income) cost for Pension Plan, RIM Plan, Post-retirement Plan and split-dollar life insurance arrangement plan benefits for the three and six months ended June 30, 2019 and 2018, includes the following components:

	For the Three Months Ended June 30,
	Pension Plan						RIM Plan				Post-retirement Plans
	2019			2018			2019		2018		2019		2018			Affected Line Item in the Consolidated Statements of Income
	(In thousands)
Service cost	$	1,501		$	1,780		$	53	$	61	$	172	$	93		Compensation and employee benefits
Interest cost	2,194			2,129			116		111		321		205			Other non-interest expense
Expected return on plan assets	(4,727		)	(4,815		)	—		—		—		—			Other non-interest expense
Amortization:
Prior service cost	—			—			—		—		14		(34		)	Other non-interest expense
Net loss	765			707			61		103		99		69			Other non-interest expense
Net periodic (income) benefit cost	$	(267	)	$	(199	)	$	230	$	275	$	606	$	333

	For the Six Months Ended June 30,
	Pension Plan						RIM Plan				Post-retirement Plans
	2019			2018			2019		2018		2019		2018
	(In thousands)
Service cost	$	3,002		$	3,560		$	106	$	122	$	344	$	186		Compensation and employee benefits
Interest cost	4,388			4,258			232		222		642		410			Other non-interest expense
Expected return on plan assets	(9,454		)	(9,630		)	—		—		—		—			Other non-interest expense
Amortization:
Prior service cost	—			—			—		—		28		(68		)	Other non-interest expense
Net loss	1,530			1,414			122		206		198		138			Other non-interest expense
Net periodic (income) benefit cost	$	(534	)	$	(398	)	$	460	$	550	$	1,212	$	666

Effective January 1, 2019, the Company implemented ASU 2017-07, Compensation - Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Post-retirement Benefit Cost. Under this ASU, the FASB requires employers to report the service cost component in the same line item as other compensation costs arising from services rendered by the pertinent employees during the period. The other components of net periodic benefit cost are required to be presented in the consolidated statements of income separately from the service cost component. The table above details the affected line items within the consolidated statements of income related to the net periodic benefits costs for the periods noted. This ASU is also required to be applied retrospectively to all periods presented.

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COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

10.    Components of Net Periodic Benefit Cost (continued)

The following table summarizes the impact of retrospective application to the consolidated statements of income for the three and six months ended June 30, 2018:

	For the Three Months Ended		For the Six Months Ended
	June 30, 2018		June 30, 2018
	(In thousands)
Compensation and employee benefits:
As previously reported	$	16,750	$	33,275
As reported under new guidance	18,275		36,325
Other non-interest expense:
As previously reported	$	3,220	$	6,296
As reported under new guidance	1,695		3,246

During the three months ended June 30, 2019, the Bank contributed $35.0 million which increased the funded status of the Plan to meet the approximate maximum tax deductible contribution limit. The net periodic cost (income) for pension benefits and other post-retirement benefits for the three and six months ended June 30, 2019 were calculated using the actual December 31, 2018 benefit valuations.

11.    Fair Value Measurements

The Company utilizes fair value measurements to record fair value adjustments to certain assets and liabilities and to determine fair value disclosures. The determination of fair values of financial instruments often requires the use of estimates. Where quoted market values in an active market are not readily available, the Company utilizes various valuation techniques to estimate fair value.

In January 2016, the FASB issued ASU 2016-01- "Financial Instruments". This guidance amended existing guidance to improve accounting standards for financial instruments including clarification and simplification of the accounting and disclosure requirements and the requirement to use the exit price notion when measuring the fair value of financial instruments for disclosure purposes. The Company adopted the guidance effective January 1, 2019, and the fair value of the Company's loan portfolio is now presented using an exit price method.

Fair value is the exchange price that would be received for an asset or paid to transfer a liability (exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. There are three levels of inputs that may be used to measure fair values:

Level 1:     Unadjusted quoted prices for identical assets or liabilities in active markets that the Company has the ability to

access on the measurement date.

Level 2: Inputs other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly. These might include quoted prices for similar instruments in markets that are active or not active, or inputs that are observable or can be corroborated by observable market data for substantially the full term of the asset or liability.

Level 3: Prices or valuation techniques that require unobservable inputs that are both significant to the fair value measurement and unobservable (i.e., supported by minimal or no market activity). Valuation techniques include the use of option pricing models, discounted cash flow models and similar techniques.

A financial instrument’s level within the fair value hierarchy is based on the lowest level of input that is significant to the fair value measurement.

The valuation techniques are based upon the unpaid principal balance only and exclude any accrued interest or dividends at the measurement date. Interest income and expense and dividend income are recorded within the consolidated statements of income depending on the nature of the instrument using the effective interest method based on the discount or premium.

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COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

11.    Fair Value Measurements (continued)

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The methods described below were used to measure fair value of financial instruments as reflected in the tables below on a recurring basis as of June 30, 2019 and December 31, 2018.

Debt Securities Available for Sale, at Fair Value

For debt securities available for sale, fair value was estimated using a market approach. The majority of these securities are fixed income instruments that are not quoted on an exchange, but are traded in active markets. Prices for these instruments are obtained through third-party data service providers or dealer market participants with which the Company has historically transacted both purchases and sales of securities. Prices obtained from these sources include market quotations and matrix pricing. Matrix pricing, a Level 2 input, is a mathematical technique used principally to value certain securities to a benchmark or to comparable securities. The Company evaluates the quality of Level 2 matrix pricing through comparison to similar assets with greater liquidity and evaluation of projected cash flows. As the Company is responsible for the determination of fair value, it performs quarterly analysis on the prices received from the pricing service to determine whether the prices are reasonable estimates of fair value. Specifically, the Company compares the prices received from the pricing service to a secondary pricing source. Additionally, the Company compares changes in the reported market values and returns to relevant market indices to assess the reasonableness of the reported prices. The Company’s internal price verification procedures and review of fair value methodology documentation provided by independent pricing services has not historically resulted in an adjustment in the prices obtained from the pricing service. The Company may hold debt instruments issued by the U.S. government and U.S. government-sponsored agencies that are traded in active markets with readily accessible quoted market prices that are considered Level 1 inputs.

Equity Securities, at Fair Value

The Company holds equity securities that are traded in active markets with readily accessible quoted market prices that are considered Level 1 inputs.

Derivatives

The Company records all derivatives included in other assets and liabilities on the consolidated statements of financial condition at fair value. The accounting for changes in the fair value of derivatives depends on the intended use of the derivative, whether the Company has elected to designate a derivative in a hedging relationship and apply hedge accounting, and whether the hedging relationship has satisfied the criteria necessary to apply hedge accounting. See note 13 for disclosures related to the accounting treatment for derivatives.

The fair value of the Company's derivatives is determined using discounted cash flow analysis using observable market-based inputs, which are considered Level 2 inputs.

The following tables present the assets and liabilities reported on the consolidated statements of financial condition at their fair values as of June 30, 2019 and December 31, 2018, by level within the fair value hierarchy:

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COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

11.    Fair Value Measurements (continued)

	June 30, 2019
			Fair Value Measurements
	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(In thousands)
Debt securities available for sale:
U.S. government and agency obligations	$	50,261	$	50,261	$	—	$	—
Mortgage-backed securities and collateralized mortgage obligations	978,419		—		978,419		—
Municipal obligations	2,420		—		2,420		—
Corporate debt securities	64,194		—		64,194		—
Trust preferred securities	4,507		—		4,507		—
Total debt securities available for sale	1,099,801		50,261		1,049,540		—
Equity securities	1,915		1,915		—		—
Derivative assets	4,227		—		4,227		—
	$	1,105,943	$	52,176	$	1,053,767	$	—
Derivative liabilities	$	16,532	$	—	$	16,532	$	—

	December 31, 2018
			Fair Value Measurements
	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(In thousands)
Debt securities available for sale:
U.S. government and agency obligations	$	54,157	$	54,157	$	—	$	—
Mortgage-backed securities and collateralized mortgage obligations	920,007		—		920,007		—
Municipal obligations	987		—		987		—
Corporate debt securities	53,467		—		53,467		—
Trust preferred securities	4,250		—		4,250		—
Total debt securities available for sale	1,032,868		54,157		978,711		—
Equity securities	1,890		1,890		—
Derivative assets	1,342		—		1,342		—
	$	1,036,100	$	56,047	$	980,053	$	—
Derivative liabilities	$	3,944	$	—	$	3,944	$	—

There were no transfers between Level 1, Level 2 and Level 3 during the three and six months ended June 30, 2019 and June 30, 2018.

There were no Level 3 assets measured at fair value on a recurring basis at June 30, 2019 and December 31, 2018.

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COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

11.    Fair Value Measurements (continued)

Assets Measured at Fair Value on a Non-Recurring Basis

The valuation techniques described below were used to estimate fair value of financial instruments measured on a non-recurring basis as of June 30, 2019 and December 31, 2018.

Collateral Dependent Impaired Loans

Loans which meet certain criteria are evaluated individually for impairment. For loans measured for impairment based on the fair value of the underlying collateral, fair value was estimated using a market approach. The Company measures the fair value of collateral underlying impaired loans primarily through obtaining independent appraisals that rely upon quoted market prices for similar assets in active markets. These appraisals include adjustments, on an individual case-by-case basis, to comparable assets based on the appraisers’ market knowledge and experience, as well as adjustments for estimated costs to sell between 6.0% and 8.0%. The Company classifies these loans as Level 3 within the fair value hierarchy.

Real Estate Owned

Assets acquired through foreclosure or deed in lieu of foreclosure are carried at fair value, less estimated costs to sell between 6.0% and 8.0%. Fair value is generally based on independent appraisals that rely upon quoted market prices for similar assets in active markets. These appraisals include adjustments, on an individual case-by-case basis, to comparable assets based on the appraiser's market knowledge and experience, and are classified as Level 3. When an asset is acquired, the excess of the loan balance over fair value less estimated selling costs is charged to the allowance for loan losses. Operating results from real estate owned, including rental income, operating expenses, and gains and losses realized from the sales of real estate owned are recorded as incurred.

Mortgage Servicing Rights, Net ("MSR's")

Mortgage servicing rights are carried at the lower of cost or estimated fair value. The estimated fair value of MSRs is obtained through an analysis of future cash flows, incorporating assumptions that market participants would use in determining fair value including market discount rates, prepayments speeds, servicing income, servicing costs, default rates and other market driven data, including the market's perception of future interest rate movements. The prepayment speed and the discount rate are considered two of the most significant inputs in the model. A significant degree of judgment is involved in valuing the mortgage servicing rights using Level 3 inputs. The use of different assumptions could have a significant effect on this fair value estimate.

The following tables present the asset and liabilities reported on the consolidated statements of financial condition at their fair values as of June 30, 2019 and December 31, 2018, by level within the fair value hierarchy:

	June 30, 2019
			Fair Value Measurements
	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(In thousands)
Mortgage servicing rights	$	664	$	—	$	—	$	664
	$	664	$	—	$	—	$	664

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COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

11.    Fair Value Measurements (continued)

	December 31, 2018
			Fair Value Measurements
	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(In thousands)
Impaired loans	$	125	$	—	$	—	$	125
Real estate owned	92		—		—		92
Mortgage servicing rights	442		—		—		442
	$	659	$	—	$	—	$	659

At June 30, 2019, there were no impaired loans or real estate owned assets measured at fair value on a non-recurring basis.

The following table presents qualitative information for Level 3 assets measured at fair value on a non-recurring basis as of June 30, 2019 and December 31, 2018:

	June 30, 2019
	Fair Value		Valuation Methodology	Unobservable Inputs	Range of Inputs	Weighted Average
	(In thousands)
Mortgage servicing rights	$	664	Estimated cash flow	Prepayment speeds	5.0% - 24.4%	12.1%

	December 31, 2018
	Fair Value		Valuation Methodology	Unobservable Inputs	Range of Inputs	Weighted Average
	(In thousands)
Impaired loans	$	125	Appraised value(2)	Discount for cost to sell(3)	6.0%	6.0%
Real estate owned	92		Contract sales price(1)	Discount for cost to sell(3)	6.0%	6.0%
Mortgage servicing rights	442		Estimated cash flow	Prepayment speeds	3.3% - 26.8%	12.0%
(1) Value is based on signed contract for sale.
(2) Value is based on independent appraisal of the fair value of the loan's underlying collateral.
(3) Includes commissions, fees and other costs.

Other Fair Value Disclosures

The Company is required to disclose estimated fair value of financial instruments, both assets and liabilities on and off the balance sheet, for which it is practicable to estimate fair value. A description of the valuation methodologies used for those assets and liabilities not recorded at fair value on a recurring or non-recurring basis are set forth below.

Cash and Cash Equivalents

For cash and due from banks, federal funds sold and short-term investments, the carrying amount approximates fair value due to their nature and short-term maturities.

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COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

11.    Fair Value Measurements (continued)

Debt Securities Held to Maturity

For debt securities held to maturity, fair value was estimated using a market approach. The majority of the Company’s securities are fixed income instruments that are not quoted on an exchange, but are traded in active markets. Prices for these instruments are obtained through third-party data service providers or dealer market participants with which the Company has historically transacted both purchases and sales of securities. Prices obtained from these sources include market quotations and matrix pricing. Matrix pricing, a Level 2 input, is a mathematical technique used principally to value certain securities to a benchmark or to comparable securities. The Company evaluates the quality of Level 2 matrix pricing through comparison to similar assets with greater liquidity and evaluation of projected cash flows. As the Company is responsible for the determination of fair value, it performs quarterly analysis on the prices received from the pricing service to determine whether the prices are reasonable estimates of fair value. Specifically, the Company compares the prices received from the pricing service to a secondary pricing source. Additionally, the Company compares changes in the reported market values and returns to relevant market indices to assess the reasonableness of the reported prices. The Company’s internal price verification procedures and review of fair value methodology documentation provided by independent pricing services has not historically resulted in an adjustment in the prices obtained from the pricing service. The Company also holds debt instruments issued by the U.S. government and U.S. government-sponsored agencies that are traded in active markets with readily accessible quoted market prices that are considered Level 1 inputs within the fair value hierarchy.

Federal Home Loan Bank Stock ("FHLB")

The fair value of FHLB stock is based on redemption at par value and can only be sold to the issuing FHLB, to other FHLBs, or to to other member banks. As such, the Company's FHLB stock is recorded at cost, or par value, and is evaluated for impairment each reporting period by considering the ultimate recoverability of the investment rather than temporary declines in value. The Company classifies the estimated fair value as Level 2 within the fair value hierarchy.

Loans Receivable

Fair values are estimated for portfolios of loans with similar financial characteristics. Loans are segregated by type such as commercial mortgage, residential mortgage, commercial, construction, and consumer and other. Each loan category is further segmented into fixed and adjustable rate interest terms and into performing and non-performing categories.

The fair value of performing loans was estimated using a combination of techniques, including a discounted cash flow model that utilizes a discount rate that reflects the Company's curring pricing for loans with similar characteristics and remaining maturity, adjusted by an amount for estimated credit losses inherent in the portfolio at the balance sheet date. The rates take into account the expected yield curve, as well as an adjustment for prepayment risk, when applicable. The Company classifies the estimated fair value of its loan portfolio as Level 3.

The fair value for significant non-performing loans was based on recent external appraisals of collateral securing such loans, adjusted for the timing of anticipated cash flows. The Company classifies the estimated fair value of its non-performing loan portfolio as Level 3.

In accordance with the prospective adoption of ASU 2016-01, the fair value of loans was measured using the exit price method as of June 30, 2019. The fair value of loans was measured using the entry price notion as of December 31, 2018.

Deposits

The fair value of deposits with no stated maturity, such as demand, money market, and savings and club deposits are payable on demand at each reporting date and classified as Level 2. The estimated fair value of certificates of deposit was based on the discounted value of contractual cash flows. The discount rate was estimated using the Company’s current rates offered for deposits with similar remaining maturities. The Company classifies the estimated fair value of its certificates of deposit portfolio as Level 2.

Borrowed Funds

The fair value of borrowed funds was estimated by discounting future cash flows using rates available for debt with similar terms and maturities and is classified by the Company as Level 2 within the fair value hierarchy.

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COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

11.    Fair Value Measurements (continued)

Commitments to Extend Credit and Letters of Credit

The fair value of commitments to extend credit and letters of credit was estimated using the fees currently charged to enter into similar agreements, taking into account the remaining terms of the agreements and the present creditworthiness of the counter-parties. For fixed rate loan commitments, fair value also considers the difference between current levels of interest rates and the committed rates. The fair value estimates of commitments to extend credit and letters of credit are deemed immaterial in comparison to their carrying value.

The following tables present the assets and liabilities reported on the consolidated statements of financial condition at their fair values as of June 30, 2019 and December 31, 2018:

	June 30, 2019
			Fair Value Measurements
	Carrying Value		Total Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(In thousands)
Financial assets:
Cash and cash equivalents	$	54,377	$	54,377	$	54,377	$	—	$	—
Debt securities available for sale	1,099,801		1,099,801		50,261		1,049,540		—
Debt securities held to maturity	299,605		303,179		38,521		264,658		—
Equity securities	1,915		1,915		1,915		—		—
Federal Home Loan Bank stock	58,613		58,613		—		58,613		—
Loans held-for-sale	2,044		2,044		—		2,044		—
Loans receivable, net	5,050,771		5,089,413		—		—		5,089,413
Derivative assets	4,227		4,227		—		4,227		—
Financial liabilities:			—
Deposits	$	4,668,645	$	4,672,763	$	—	$	4,672,763	$	—
Borrowings	1,163,271		1,166,752		—		1,166,752		—
Derivative liabilities	16,532		16,532		—		16,532		—

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COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

11.    Fair Value Measurements (continued)

	December 31, 2018
			Fair Value Measurements
	Carrying Value		Total Fair Value		Quoted prices in active markets for identical assets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
	(In thousands)
Financial assets:
Cash and cash equivalents	$	42,201	$	42,201	$	42,201	$	—	$	—
Debt securities available for sale	1,032,868		1,032,868		54,157		978,711		—
Debt securities held to maturity	262,143		254,841		23,241		231,600		—
Equity securities	1,890		1,890		1,890		—		—
Federal Home Loan Bank stock	58,938		58,938		—		58,938		—
Loans held-for-sale	8,081		8,081		—		8,081		—
Loans receivable, net	4,916,840		4,841,830		—		—		4,841,830
Derivative assets	1,342		1,342		—		1,342		—
Financial liabilities:
Deposits	$	4,413,873	$	4,402,336	$	—	$	4,402,336	$	—
Borrowings	1,189,180		1,185,007		—		1,185,007		—
Derivative liabilities	3,944		3,944		—		3,944		—

Limitations

Fair value estimates are made at a specific point in time, based on relevant market information and information about the financial instrument. These estimates do not reflect any premium or discount that could result from offering for sale at one time the Company’s entire holdings of a particular financial instrument. Because limited markets exist for a significant portion of the Company’s financial instruments, fair value estimates are based on judgments regarding future expected loss experience, current economic conditions, risk characteristics of various financial instruments, and other factors. These estimates are subjective in nature and involve uncertainties and matters of significant judgment and, therefore, cannot be determined with precision. Changes in assumptions could significantly affect the estimates.

Fair value estimates are based on existing on and off balance sheet financial instruments without attempting to estimate the value of anticipated future business and the value of assets and liabilities that are not considered financial instruments. Significant assets and liabilities that are not considered financial assets or liabilities include goodwill and other intangibles, deferred tax assets, office properties and equipment, and bank-owned life insurance. In addition, the tax ramifications related to the realization of the unrealized gains and losses can have a significant effect on fair value estimates and have not been considered in the estimates.

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COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

12.Other Comprehensive Income (Loss)

The following tables present the components of other comprehensive income (loss), both gross and net of tax, for the three and six months ended June 30, 2019 and 2018:

	For the Three Months Ended June 30,
	2019									2018
	Before Tax			Tax Effect			After Tax			Before Tax			Tax Effect			After Tax
	(In thousands)
Components of other comprehensive income (loss):
Unrealized gains (losses) on debt securities available for sale:	$	17,829		$	(3,737	)	$	14,092		$	(5,623	)	$	2,763		$	(2,860	)
Accretion of unrealized (loss) gain on debt securities reclassified as held to maturity	(2		)	—			(2		)	80			(83		)	(3		)
Reclassification adjustment for gains included in net income	339			(79		)	260			—			—			—
	18,166			(3,816		)	14,350			(5,543		)	2,680			(2,863		)
Derivatives:
Unrealized (loss) gain on swap contracts accounted for as cash flow hedges	(5,920		)	1,244			(4,676		)	297			(133		)	164
	(5,920		)	1,244			(4,676		)	297			(133		)	164
Employee benefit plans:
Amortization of prior service cost included in net income	(14		)	3			(11		)	—			—			—
Reclassification adjustment of actuarial net (loss) included in net income	(925		)	194			(731		)	—			—			—
Change in funded status of retirement obligations	(5,610		)	1,179			(4,431		)	—			2,323			2,323
	(6,549		)	1,376			(5,173		)	—			2,323			2,323
Total other comprehensive income (loss)	$	5,697		$	(1,196	)	$	4,501		$	(5,246	)	$	4,870		$	(376	)

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COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

12.Other Comprehensive Income (Loss) (continued)

	For the Six Months Ended June 30,
	2019									2018
	Before Tax			Tax Effect			After Tax			Before Tax			Tax Effect			After Tax
	(In thousands)
Components of other comprehensive income (loss):
Unrealized gains (losses) on debt securities available for sale:	$	29,595		$	(6,208	)	$	23,387		$	(17,261	)	$	4,432		$	(12,829	)
Accretion of unrealized gain (loss) on debt securities reclassified as held to maturity	11			(3		)	8			(16		)	14			(2		)
Reclassification adjustment for gains included in net income	465			(105		)	360			116			(28		)	88
	30,071			(6,316		)	23,755			(17,161		)	4,418			(12,743		)
Derivatives:
Unrealized (loss) gain on swap contracts accounted for as cash flow hedges	(9,440		)	1,984			(7,456		)	678			(172		)	506
	(9,440		)	1,984			(7,456		)	678			(172		)	506
Employee benefit plans:
Amortization of prior service cost included in net income	(28		)	6			(22		)	148			(30		)	118
Reclassification adjustment of actuarial net (loss) gain included in net income	(1,849		)	388			(1,461		)	673			(146		)	527
Change in funded status of retirement obligations	(4,672		)	982			(3,690		)	(819		)	2,085			1,266
	(6,549		)	1,376			(5,173		)	2			1,909			1,911
Total other comprehensive income (loss)	$	14,082		$	(2,956	)	$	11,126		$	(16,481	)	$	6,155		$	(10,326	)

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COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

12.Other Comprehensive Income (Loss) (continued)

The following tables present the changes in the components of accumulated other comprehensive (loss) income, net of tax, for the three and six months ended June 30, 2019 and 2018:

	For the Three Months Ended June 30,
	2019												2018
	Unrealized (Losses) Gains on Securities Available for Sale			Unrealized (Losses) on Swaps			Employee Benefit Plans			Accumulated Other Comprehensive (Loss) Income			Unrealized (Losses) on Securities Available for Sale			Unrealized Gains on Swaps		Employee Benefit Plans			Accumulated Other Comprehensive (Loss)
	(In thousands)
Balance at beginning of period	$	(4,369	)	$	(4,786	)	$	(56,665	)	$	(65,820	)	$	(17,223	)	$	566	$	(58,703	)	$	(75,360	)
Current period changes in other comprehensive income (loss)	14,350			(4,676		)	(5,173		)	4,501			(2,863		)	164		2,323			(376		)
Total other comprehensive income (loss)	$	9,981		$	(9,462	)	$	(61,838	)	$	(61,319	)	$	(20,086	)	$	730	$	(56,380	)	$	(75,736	)

	For the Six Months Ended June 30,
	2019												2018
	Unrealized (Losses) Gains on Securities Available for Sale			Unrealized (Losses) Gains on Swaps			Employee Benefit Plans			Accumulated Other Comprehensive (Loss) Income			Unrealized (Losses) on Securities Available for Sale			Unrealized Gains on Swaps		Employee Benefit Plans			Accumulated Other Comprehensive (Loss)
	(In thousands)
Balance at beginning of period	$	(13,226	)	$	(2,006	)	$	(56,665	)	$	(71,897	)	$	(7,343	)	$	224	$	(58,291	)	$	(65,410	)
Effect of the adoption of ASU 2016-01	(548		)	—			—			(548		)	—			—		—			—
Balance at January 1, 2019	(13,774		)	(2,006		)	(56,665		)	(72,445		)	(7,343		)	224		(58,291		)	(65,410		)
Current period changes in other comprehensive income (loss)	23,755			(7,456		)	(5,173		)	11,126			(12,743		)	506		1,911			(10,326		)
Total other comprehensive income (loss)	$	9,981		$	(9,462	)	$	(61,838	)	$	(61,319	)	$	(20,086	)	$	730	$	(56,380	)	$	(75,736	)

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COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

12.Other Comprehensive Income (Loss) (continued)

The following tables reflect amounts reclassified from accumulated other comprehensive income (loss) to the consolidated statements of income and the affected line item in the statement where net income is presented for the three and six months ended June 30, 2019 and 2018:

	Accumulated Other Comprehensive (Loss) Income Components
	For the Three Months Ended June 30,						Affected Line Items in the Consolidated Statements of Income
	2019			2.018	2018
	(In thousands)
Reclassification adjustment for gains included in net income	$	339			$	—	Gains on securities transactions
Reclassification adjustment of actuarial net (loss) included in net income	(925		)		—		Other non-interest expense
Total before tax	(586		)		—
Income tax benefit	115				—
Net of tax	$	(471	)		$	—

	Accumulated Other Comprehensive (Loss) Income Components
	For the Six Months Ended June 30,						Affected Line Items in the Consolidated Statements of Income
	2019			2018
	(In thousands)
Reclassification adjustment for gains included in net income	$	465		$	116		Gains on securities transactions
Reclassification adjustment of actuarial net gain included in net income	(1,849		)	673			Other non-interest expense
Total before tax	(1,384		)	789
Income tax	283			(174		)
Net of tax	$	(1,101	)	$	615

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COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

13.     Derivatives and Hedging Activities

The Company uses derivative financial instruments as components of its market risk management, principally to manage interest rate risk. Certain derivatives are entered into in connection with transactions with commercial customers. Derivatives are not used for speculative purposes.  All derivatives are recognized as either assets or liabilities in the consolidated statements of financial condition, reported at fair value and presented on a gross basis. Until a derivative is settled, a favorable change in fair value results in an unrealized gain that is recognized as an asset, while an unfavorable change in fair value results in an unrealized loss that is recognized as a liability. 

The Company generally applies hedge accounting to its derivatives used for market risk management purposes. Hedge accounting is permitted only if specific criteria are met, including a requirement that a highly effective relationship exists between the derivative instrument and the hedged item, both at inception of the hedge and on an ongoing basis. Changes in the fair value of effective fair value hedges are recognized in current earnings (with the change in fair value of the hedged asset or liability also recognized in earnings). Changes in the fair value of effective cash flow hedges are recognized in other comprehensive income (loss) until earnings are affected by the variability in cash flows of the designated hedged item. Ineffective portions of hedge results are recognized in current earnings. Changes in the fair value of derivatives for which hedge accounting is not applied are recognized in current earnings.

The Company formally documents at inception all relationships between the derivative instruments and the hedged items, as well as its risk management objectives and strategies for undertaking the hedge transactions. This process includes linking all derivatives that are designated as hedges to specific assets and liabilities, or to specific firm commitments. The Company also formally assesses, both at inception of the hedge and on an ongoing basis, whether the derivatives that are used in hedging transactions are highly effective in offsetting changes in the fair values or cash flows of the hedged items. If it is determined that a derivative is not highly effective or has ceased to be a highly effective hedge, the Company would discontinue hedge accounting prospectively. Gains or losses resulting from the termination of a derivative accounted for as a cash flow hedge remain in other comprehensive income (loss) and is (accreted) amortized to earnings over the remaining period of the former hedging relationship.

Certain derivative financial instruments are offered to certain commercial banking customers to manage their risk of exposure and risk management strategies. These derivative instruments consist primarily of currency forward contracts and interest rate swap contracts.  The risk associated with these transactions is mitigated by simultaneously entering into similar transactions having essentially offsetting terms with a third party. In addition, the Company executes interest rate swaps with third parties in order to hedge the interest rate risk of short-term FHLB advances.

Currency Forward Contracts. At June 30, 2019 and December 31, 2018, the Company had no currency forward contracts in place with commercial banking customers. Derivatives not designated in qualifying hedging relationships are not speculative and result from a service the Company provides to certain qualified commercial banking customers and are not used to manage interest rate risk in the Company's assets or liabilities.

Interest Rate Swaps. At June 30, 2019, the Company had interest rate swaps in place with nine commercial banking customers executed by offsetting interest rate swaps with third parties, with an aggregated notional amount of $76.3 million. At December 31, 2018, the Company had interest rate swaps in place with three commercial banking customers executed by offsetting interest rate swaps with third parties, with an aggregated notional amount of $36.6 million. These derivatives are not designated as hedges and are not speculative. These interest rate swaps do not meet hedge accounting requirements.

At June 30, 2019 and December 31, 2018, the Company had 28 and 24 interest rate swaps with notional amounts of $400.0 million and $320.0 million, respectively, hedging certain FHLB advances. These interest rate swaps meet the hedge accounting requirements.

Interest rate swaps designated as cash flow hedges involve the receipt of variable amounts from a counter-party in exchange for the Company making fixed-rate payments over the life of the agreements without the exchange of the underlying notional amount.

For the three and six months ended June 30, 2019 and 2018, the Company did not record any hedge ineffectiveness associated with these contracts.

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COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

13.     Derivatives and Hedging Activities (continued)

The tables below present the fair value of the Company’s derivative financial instruments as well as their classification in the consolidated statements of financial condition at June 30, 2019 and December 31, 2018:

	June 30, 2019
	Asset Derivative			Liability Derivative
	Consolidated Statements of Financial Condition	Fair Value		Consolidated Statements of Financial Condition	Fair Value
		(In thousands)
Derivatives:
Interest rate swaps	Other Assets	$	4,227	Other Liabilities	$	16,532
Total derivative instruments		$	4,227		$	16,532

	December 31, 2018
	Asset Derivative			Liability Derivative
	Consolidated Statements of Financial Condition	Fair Value		Consolidated Statements of Financial Condition	Fair Value
		(In thousands)
Derivatives:
Interest rate swaps	Other Assets	$	1,342	Other Liabilities	$	3,944
Total derivative instruments		$	1,342		$	3,944

For the three and six months ended June 30, 2019, losses of $146,000 and $213,000, respectively, were recorded for changes in fair value of interest rate swaps with third parties. For the three and six months ended June 30, 2018, no losses were recorded for changes in fair value of interest rate swaps with third parties.

At June 30, 2019 and December 31, 2018, accrued interest was $63,000 and $65,000, respectively.

The Company has agreements with counterparties that contain a provision that if the Company defaults on any of its indebtedness, including default where repayment of the indebtedness has not been accelerated by the lender, then the Company could also be declared in default of its derivative obligations.

At June 30, 2019, the termination value of derivatives in a net liability position, which includes accrued interest, was $12.3 million. The Company has collateral posting thresholds with certain of its derivative counterparties, and has posted collateral of $16.3 million against its obligations under these agreements.

14.     Revenue Recognition

On January 1, 2019, the Company adopted ASU 2014-09 Revenue from Contracts with Customers (Topic 606) and all subsequent ASUs that modified Topic 606. The Company performed a review and assessment of all revenue streams, the related contracts with customers, and the underlying performance obligations in those contracts. This guidance does not apply to revenue associated with financial instruments, including interest income on loans and securities, which comprise the majority of the Company's revenue. Revenue-generating activities that are within the scope of Topic 606, are components of non-interest income. These revenue streams can generally be classified as demand deposit account fees, title insurance fees and other fees.

The Company, using a modified retrospective transition approach, determined that there was no cumulative effect adjustment to retained earnings as a result of adopting the new standard, nor did the standard have a material impact on our consolidated financial statements including the timing or amounts of revenue recognized.    

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COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

14.     Revenue Recognition (continued)

The following table presents non-interest income, segregated by revenue streams in-scope and out-of-scope of Topic 606, for the three and six months ended June 30, 2019 and 2018.

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2019		2018		2019		2018
	(In thousands)
Non-interest income
In-scope of Topic 606:
Demand deposit account fees	$	1,051	$	976	$	2,010	$	1,920
Title insurance fees	1,099		1,255		2,140		2,029
Other non-interest income	1,214		1,184		2,274		2,276
Total in-scope non-interest income	3,364		3,415		6,424		6,225
Total out-of-scope non-interest income	3,411		2,035		6,388		3,767
Total non-interest income	$	6,775	$	5,450	$	12,812	$	9,992

Demand deposit account fees include monthly maintenance fees and service charges. These fees are generally derived as a result of either transaction-based or serviced-based services. The Company's performance obligation for these services is generally satisfied, and revenue recognized, at the time the transaction is completed or the service rendered. Fees for these services are generally received from the customer either at the time of the transaction or monthly.

Title insurance fees are generally recognized at the time the transaction closes or when the service is rendered.

Other non-interest income includes check printing fees, traveler's check fees, gift card fees, branch service fees, overdraft fees, account analysis fees, other deposit related fees, wealth management related fee income which includes annuity fees, brokerage commissions, and asset management fees. Wealth management related fee income represent fees earned from customers as consideration for asset management and investment advisory services provided by a third party. The Company's performance obligation is generally satisfied monthly and the resulting fees are recognized monthly based upon the month-end market value of the assets under management and the applicable fee rate. The Company does not earn performance-based incentives. The Company's performance obligation for these transaction-based services are generally satisfied, and related revenue recognized, at the time the transaction closes or when the service is rendered or a point in time when the service is completed.

Also included in other fees are debit card and ATM fees which are transaction-based. Debit card revenue is primarily comprised of interchange fees earned when a customer's Company card is processed through a card payment network. ATM fees are largely generated when a Company cardholder uses a non-Company ATM, or a non-Company cardholder uses a Company ATM. The Company's performance obligation for these services is satisfied when the service is rendered. Payment is generally received at time of transaction or monthly.

Out-of-scope non-interest income primarily consists of income from bank-owned life insurance, loan prepayment and servicing fees, net fees loan level swaps, gains and losses on the sale of loans and securities, and changes in the fair value of equity securities. None of these revenue streams are subject to the requirements of Topic 606.

15.    Proposed Acquisition of Stewardship Financial Corporation

On June 7, 2019, the Company and Stewardship Financial Corporation ("Stewardship"), the holding company for Atlantic Stewardship Bank, announced that the companies have entered into a definitive merger agreement (the "Merger Agreement") pursuant to which the Company will acquire Stewardship in an all-cash transaction. Under the terms of the agreement, Stewardship will merge with and into a wholly owned subsidiary of the Company formed to facilitate the merger ("Merger Sub"), with Stewardship continuing as the surviving company (the "First-Step Merger") and each outstanding share of Stewardship common stock will be exchanged for $15.75 in cash. Immediately following the effective time of the First-Step Merger, Stewardship will merge with and into the Company, with the Company continuing as the surviving company.

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COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Notes to Consolidated Financial Statements

15.    Proposed Acquisition of Stewardship Financial Corporation (continued)

As of June 30, 2019, Stewardship had approximately $964.3 million of assets, $748.1 million of loans, and $781.9 million of deposits held across a network of 12 branches located throughout Bergen, Passaic and Morris counties.

Merger-related expenses which are recorded in the consolidated statements of income and include costs relating to the Company's proposed acquisition of Stewardship, represent one-time costs associated with acquisition activities and do not represent ongoing costs of the fully integrated combined organization. Accounting guidance requires that acquisition-relate transactional and restructuring costs incurred by the Company be charged to expense as incurred.

The consummation of the transactions contemplated by the Merger Agreement is subject to customary closing conditions, including, but not limited to, (i) receipt of the requisite approval of Stewardship's shareholders, (ii) receipt of all required regulatory approvals, (iii) the absence of any law or order prohibiting the closing, (iv) the accuracy of the representations and warranties of the other party in the Merger Agreement (subject to certain materiality standards) and (v) compliance in all material respects by the other party with its covenants in the Merger Agreement.

16.    Subsequent Events

The Company has evaluated events subsequent to June 30, 2019 and through the financial statement issuance date of August 13, 2019. The Company has not identified any material subsequent events that would require adjustment or disclosure in the consolidated financial statements.

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Item 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Forward-Looking Statements

Certain statements contained herein are “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. Such forward-looking statements may be identified by reference to a future period or periods, or by the use of forward-looking terminology, such as “may,” “will,” “believe,” “expect,” “estimate,” "project," "intend," “anticipate,” “continue,” or similar terms or variations on those terms, or the negative of those terms. Forward-looking statements are subject to numerous risk factors and uncertainties, including, but not limited to, those set forth in Item 1A of the Company's Annual Report on Form 10-K as supplemented by its Quarterly Reports on Form 10-Q, and those related to the economic environment, particularly in the market areas in which the Company operates, competitive products and pricing, fiscal and monetary policies of the U.S. Government, changes in government regulations affecting financial institutions, including regulatory fees and capital requirements, changes in prevailing interest rates, acquisitions and the integration of acquired businesses, credit risk management, asset-liability management, the financial and securities markets, and the availability of and costs associated with sources of liquidity.

The Company cautions readers not to place undue reliance on any such forward-looking statements which speak only as of the date made. The Company also advises readers that the factors listed above could affect the Company’s financial performance and could cause the Company’s actual results for future periods to differ materially from any opinions or statements expressed with respect to future periods in any current statements. The Company does not have any obligation to update any forward-looking statements to reflect any subsequent events or circumstances after the date of this statement.

Comparison of Financial Condition at June 30, 2019 and December 31, 2018

Total assets increased $289.1 million, or 4.3%, to $7.0 billion at June 30, 2019 from $6.7 billion at December 31, 2018. The increase in total assets was primarily attributable to increases in debt securities available for sale of $66.9 million, debt securities held to maturity of $37.5 million, loans receivable, net of $133.9 million, and other assets of $31.6 million.

Debt securities available for sale increased $66.9 million, or 6.5%, to $1.1 billion at June 30, 2019 from $1.0 billion at December 31, 2018. The increase was mainly attributable to purchases of $80.5 million in U.S. agency obligations, mortgage-backed securities and corporate and municipal bonds, partially offset by maturities of $797,000 in municipal securities, repayments of $48.8 million in mortgage-backed securities, and sales of $15.7 million in U.S. government obligations and mortgage-backed securities. The gross unrealized gain on debt securities available for sale increased $30.1 million during the period.

Debt securities held to maturity increased $37.5 million, or 14.3%, to $299.6 million at June 30, 2019 from $262.1 million at December 31, 2018. The increase was mainly attributable to purchases of $47.7 million in U.S. agency obligations, mortgage-backed securities and corporate bonds, partially offset by a call of a $5.0 million U.S. agency obligation, and repayments of $5.5 million in mortgage-backed securities.

Loans receivable, net, increased $133.9 million, or 2.7%, to $5.1 billion at June 30, 2019 from $4.9 billion at December 31, 2018. The increase was mainly attributable to increases in multi-family and commercial real estate, construction and commercial business loans of $106.1 million, $32.1 million, and $24.7 million, respectively, partially offset by decreases in one-to-four family real estate and home equity loans and advances of $10.6 million and $18.4 million, respectively. One-to-four family real estate loans decreased slightly due to lower originations and loan sales totaling $62.7 million.

Other assets increased $31.6 million, or 29.6%, to $138.7 million at June 30, 2019 from $107.0 million at December 31, 2018. The increase was primarily attributable to a $35.0 million contribution which increased the funded status of the Company's pension plan in June 2019.

Total liabilities increased $253.3 million, or 4.4%, to $6.0 billion at June 30, 2019 from $5.7 billion at December 31, 2018. The increase was primarily attributable to an increase in total deposits of $254.8 million, or 5.8%. The increase in total deposits consisted of increases in the balances of interest-bearing and non-interest-bearing demand accounts, as well as certificates of deposit. The Bank's high yield checking account program, which began in January 2019, experienced significant growth during the period, along with non-interest-bearing commercial demand accounts which were primarily obtained from existing commercial loan customers. Certificates of deposit balances also increased as the Bank continues to offer competitive rates on these products.

Total stockholders’ equity increased $35.8 million, or 3.7%, to $1.0 billion at June 30, 2019 from $972.1 million at December 31, 2018. The net increase was primarily attributable to net income of $27.0 million, coupled with improved fair values on debt securities within our available for sale portfolio, partially offset by the repurchase of 263,900 shares of common stock for approximately $3.9 million under our recently announced stock repurchase program.

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Item 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Comparison of Results of Operations for the Quarter Ended June 30, 2019 and June 30, 2018

Net income of $12.0 million was recorded for the quarter ended June 30, 2019, an increase of $26.8 million, compared to a net loss of $14.7 million for the quarter ended June 30, 2018. The increase in net income was primarily attributable to a $2.3 million decrease in the provision for loan losses, a $1.3 million increase in non-interest income, and a $29.9 million decrease in non-interest expense, partially offset by a $6.6 million increase in income tax expense. The decrease in non-interest expense for the quarter ended June 30, 2019 was primarily attributable to a one-time $34.8 million contribution of the Company's stock to the Columbia Bank Foundation in connection with its minority stock offering in April 2018.

Net interest income was $40.8 million for the quarter ended June 30, 2019, a decrease of $172,000, or 0.4%, from $41.0 million for the quarter ended June 30, 2018. The decrease in net interest income was attributable to a $7.9 million increase in interest expense which was partially offset by a $7.7 million increase in interest income. The increase in interest income for the quarter ended June 30, 2019 was largely due to increases in both the average balances and yields on loans and securities, coupled with an increase in yield on other interest-earning assets. The increase in interest expense for the quarter ended June 30, 2019 was largely due to increases in the average yields on deposits and borrowings.

The average yield on loans for the quarter ended June 30, 2019 increased 16 basis points to 4.14%, as compared to 3.98% for the quarter ended June 30, 2018, while the yield on securities for the quarter ended June 30, 2019 increased 19 basis points to 2.89%, as compared to 2.70% for the quarter ended June 30, 2018. Increases in yields for the quarter ended June 30, 2019 reflects the increase in market interest rates that occurred during fiscal 2018. The average yield on other interest-earning assets for the quarter ended June 30, 2019 increased 320 basis points to 6.19%, as compared to 2.99% for the quarter ended June 30, 2018. This was mainly a result of the 2019 average balance of other interest-earning assets including higher yielding Federal Home Loan Bank stock, while the 2018 average balance of other interest-earning assets included higher cash deposits related to the subscriptions for the minority stock offering yielding a lower rate of interest.

Total interest expense was $21.9 million for the quarter ended June 30, 2019, an increase of $7.9 million, or 56.3%, from $14.0 million as compared to the quarter ended June 30, 2018. The increase in interest expense was primarily attributable to a $388.5 million increase in the average balance of certificates of deposits, partially offset by a decrease of $111.6 million in the average balance of money market accounts, and $253.9 million in the average balance of savings and club accounts, combined with a 62 basis point increase in the cost of interest-bearing deposits. The increase in the cost of deposits was primarily driven by higher market rates and a shift in the mix from non-maturity deposits to higher costing certificates of deposit. The increase in interest on borrowings was attributable to a $372.1 million increase in the average balance of Federal Home Loan Bank advances coupled with a 49 basis point increase in the cost of these borrowings.

The Company's net interest margin for the quarter ended June 30, 2019 decreased 23 basis points to 2.53%, when compared to 2.76% for the quarter ended June 30, 2018. The weighted average yield on interest-earning assets increased 19 basis points to 3.89% for the quarter ended June 30, 2019 as compared to 3.70% for the quarter ended June 30, 2018. The average cost of interest-bearing liabilities

increased 56 basis points to 1.76% for the quarter ended June 30, 2019 as compared to 1.20% for the quarter ended June 30, 2018. Increases in yields and costs for the quarter ended June 30, 2019 were largely driven by competitive pressures in pricing deposit products in a higher market interest rate environment.

The provision for loan losses was $112,000 for the quarter ended June 30, 2019, a decrease of $2.3 million, or 95.3%, from $2.4 million for the quarter ended June 30, 2018. The decrease was primarily driven by a decrease in historical loss factors, coupled with nominal growth in the loan portfolio. Net charge offs increased to $480,000 for the quarter ended June 30, 2019, as compared to net recoveries of $172,000 for the quarter ended June 30, 2018.

Non-interest income was $6.8 million for the quarter ended June 30, 2019, an increase of $1.3 million, or 24.3%, from $5.5 million for the quarter ended June 30, 2018. The increase was primarily attributable to an increase in income from loan fees and service charges of $1.0 million, which included an increase in income from swap transactions, and $339,000 in gains on the sale of securities. There were no realized gains on security transactions for the quarter ended June 30, 2018.

Non-interest expense was $31.8 million for the quarter ended June 30, 2019, a decrease of $29.9 million, or 48.5%, from $61.8 million for the quarter ended June 30, 2018. The decrease was primarily attributable to a decrease of $34.8 million in charitable contributions which were made during the quarter ended June 30, 2018 as previously noted. Excluding the impact of this one-time contribution, non-interest expense increased $4.8 million, or 17.9%, for the quarter ended June 30, 2019. This increase was attributable to an increase in compensation and employee benefits of $2.1 million, an increase in professional fees of $355,000, an increase in other

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Item 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

non-interest expense of $1.6 million, and merger-related expenses of $462,000 recorded in the quarter ended June 30, 2019. The higher compensation and employee benefits expense was mostly driven by costs associated with new hires. The increase in professional fees was the result of higher legal, accounting and consulting fees commensurate with being a public company. The increase in other non-interest expense was mainly due to a decrease of $368,000 in the credit associated with pension benefit costs, resulting from a new pension accounting standard, effective January 1, 2019, which requires that other components of net periodic benefit costs be reported separately from the service cost as a component of non-interest expense in the statements of income. Merger-related expenses included expenses related to the June 2019 announcement that the Company has entered into a definitive merger agreement with Stewardship.

Income tax expense was $3.6 million for the quarter ended June 30, 2019, an increase of $6.6 million, as compared to a tax benefit of $3.0 million for the quarter ended June 30, 2018. The Company's effective tax rate was 23.2% and (16.7%) for the quarters ended June 30, 2019 and 2018, respectively. The 2019 income tax expense and resulting effective tax rate was primarily driven by maximizing the tax benefits related to a subsidiary of the Bank, coupled with other previously implemented tax strategies. The 2018 income tax benefit and resulting effective tax rate was impacted by the net loss resulting from the one-time charitable contribution.

Results of Operations for the Six Months Ended June 30, 2019 and June 30, 2018

Net income of $27.0 million was recorded for the six months ended June 30, 2019, an increase of $29.9 million, compared to a net loss of $3.0 million for the six months ended June 30, 2018. The increase in net income was primarily attributable to a $3.1 million increase in net interest income, a $3.9 million decrease in the provision for loan losses, a $2.8 million increase in non-interest income, and a $26.4 million decrease in non-interest expense, partially offset by a $6.3 million increase in income tax expense. The decrease in non-interest expense for the six months ended June 30, 2019 was attributable to the 2018 period including a $34.8 million one-time contribution as previously noted.

Net interest income was $83.2 million for the six months ended June 30, 2019, an increase of $3.1 million, or 3.9%, from $80.1 million for the six months ended June 30, 2018. The increase in net interest income was attributable to an $18.8 million increase in interest income, which was partially offset by a $15.7 million increase in interest expense. The increase in interest income for the period was largely due to increases in both the average balances and yields on loans and securities, coupled with an increase in the yield on other interest-earning assets.

The average yield on loans for the six months ended June 30, 2019 increased 23 basis points to 4.20%, as compared to 3.97% for the six months ended June 30, 2018, and the yield on securities for the six months ended June 30, 2019 increased 19 basis points to 2.91%, as compared to 2.72% for the six months ended June 30, 2018. Increases in yields for the six months ended June 30, 2019 reflect the increase in market interest rates that occurred during fiscal 2018. The average yield on other interest-earning assets for the six months ended June 30, 2019 increased 352 basis points to 6.40%, as compared to 2.88% for the six months ended June 30, 2018. This was driven by the 2019 average balance of other interest-earning assets including higher yielding Federal Home Loan Bank stock, while the 2018

average balance of other interest-earning assets included higher cash deposits related to the subscriptions for the minority stock offering yielding a lower rate of interest.

Total interest expense was $42.4 million for the six months ended June 30, 2019, an increase of $15.7 million, or 58.6%, from $26.7 million as compare to the six months ended June 30, 2018. The increase in interest expense was primarily attributable to a $350.3 million increase in the average balance of certificates of deposit, partially offset by decreases of $67.8 million in the average balance of interest-bearing demand accounts, $75.4 million in the average balance of money market accounts and $243.3 million in the average balance of savings and club accounts, coupled with a 62 basis point increase in the cost of interest-bearing deposits. The increase in the cost of deposits was driven by higher market rates and a shift in the mix from core deposits to higher costing certificates of deposit. The increase in interest on borrowings was attributable to a $347.1 million increase in the average balance of Federal Home Loan Bank advances coupled with a 57 basis point increase in the cost of these borrowings.

The Company's net interest margin for the six months ended June 30, 2019 decreased 17 basis points to 2.61%, when compared to 2.78% for the six months ended June 30, 2018. The weighted average yield on interest-earning assets increased 24 basis points to 3.95% for the six months ended June 30, 2019 as compared to 3.71% for the six months ended June 30, 2018. The average cost of interest-bearing liabilities increased 57 basis points to 1.72% for the six months ended June 30, 2019 as compared to 1.15% for the six months ended June 30, 2018. Increases in yields and costs for the quarter ended June 30, 2019 reflect the increase in market interest rates that occurred during fiscal 2018.

The provision for loan losses was $548,000 for the six months ended June 30, 2019, a decrease of $3.9 million, or 87.5%, from $4.4 million for the six months ended June 30, 2018. The decrease was primarily driven by a decrease in historical loss factors, coupled

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COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Item 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

with nominal growth in the loan portfolio. Net charge offs increased to $487,000 for the six months ended June 30, 2019, as compared to $54,000 for the six months ended June 30, 2018.

Non-interest income was $12.8 million for the six months ended June 30, 2019, an increase of $2.8 million, or 28.2%, from $10.0 million for the six months ended June 30, 2018. The increase was primarily attributable to an increase in income from loan fees

and service charges of $1.4 million, which included an increase in income from swap transactions of $1.0 million, and increases in gains on the sale of securities and loans of $349,000 and $313,000, respectively.

Non-interest expense was $61.4 million for the six months ended June 30, 2019, a decrease of $26.4 million, or 30.1%, from $87.8 million for the six months ended June 30, 2018. The decrease was primarily attributable to a decrease of $34.8 million in charitable contributions during the 2018 period as previously noted. Excluding the impact of this one-time contribution, non-interest expense increased $8.4 million, or 15.8%, for the six months ended June 30, 2019. This increase was attributable to an increase in compensation and employee benefits of $3.6 million, an increase in professional fees of $821,000, an increase in other non-interest expense of $2.5 million, and merger-related expenses of $462,000 recorded in the 2019 period. The higher compensation and employee benefits expense was driven by costs associated with new hires. The increase in professional fees was the result of higher legal, accounting and consulting fees commensurate with being a public company. The increase in other non-interest expense was mainly due to a decrease of $735,000 in the credit associated with pension benefit other than service costs included in non-interest expense as previously described. Merger-related expenses included expenses related to the June 2019 announcement that the Company has entered into a definitive merger agreement with Stewardship.

Income tax expense was $7.1 million for the six months ended June 30, 2019, an increase of $6.3 million, from $845,000 for the six months ended June 30, 2018. The 2018 income tax expense and resulting effective tax rate was impacted by the net loss resulting from the one-time charitable contribution. The 2019 income tax expense and resulting effective tax rate was primarily driven by maximizing the tax benefits related to a subsidiary of the Bank, coupled with other previously implemented tax strategies.

Asset Quality

The Company's total non-performing loans at June 30, 2019 totaled $6.7 million, or 0.13% of total gross loans, as compared to $2.8 million, or 0.06% of total gross loans, at December 31, 2018. The $3.9 million increase in non-performing loans was mainly attributable to increases of $1.7 million in one-to-four family real estate loans, $1.7 million in construction loans and $472,000 in commercial business loans. The increase in one-to-four family real estate loans was the result of an increase in the number of loans from 6 non-performing loans at December 31, 2018 to 13 non-performing loans at June 30, 2019, while the entire construction loan non-performing balance consisted of one non-performing loan. The Company had no real estate owned at June 30, 2019 compared to one property owned with a carrying value of $92,000, at December 31, 2018. Non-performing assets as a percentage of total assets totaled 0.10% at June 30, 2019 as compared to 0.04% at December 31, 2018.

The Company's allowance for loan losses was $62.4 million, or 1.22% of total loans at June 30, 2019, compared to $62.3 million, or 1.26% of total loans, at December 31, 2018.

Critical Accounting Policies

The Company considers certain accounting policies to be critically important to the fair presentation of its consolidated statements of financial condition and consolidated statements of income. These policies require management to make judgments on matters which by their nature have elements of uncertainty. The sensitivity of the Company’s consolidated financial statements to these critical accounting policies, and the assumptions and estimates applied, could have a significant impact on its financial condition and results of operations. These assumptions, estimates and judgments made by management can be influenced by a number of factors, including the general economic environment. The Company has identified the following as critical accounting policies:

▪Adequacy of the allowance for loan losses

▪Valuation of retirement and post-retirement benefits

▪Valuation of deferred tax assets

The calculation of the allowance for loan losses is a critical accounting policy of the Company. The allowance for loan losses is a valuation account that reflects management’s evaluation of the probable losses in the loan portfolio. Determining the amount of the allowance for loan losses involves a high degree of judgment. Estimates required to establish the allowance include: the overall economic environment, value of collateral, strength of guarantors, loss exposure in the event of default, the amount and timing of future cash flows on impaired loans, and determination of loss factors applied to the portfolio segments. These estimates are susceptible to significant

50

COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Item 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

change. Management regularly reviews loss experience within the portfolio and monitors current economic conditions and other factors related to the collectability of the loan portfolio.

The Company maintains the allowance for loan losses through provisions for loan losses which are charged to income. Charge-offs against the allowance for loan losses are taken on loans where management determines that the collection of loan principal is unlikely. Recoveries made on loans that have been charged-off are credited to the allowance for loan losses.

As part of the evaluation of the adequacy of the allowance for loan losses, management prepares an analysis each quarter that categorizes the entire loan portfolio by certain risk characteristics such as loan type (residential mortgage, commercial mortgage, construction, commercial, etc.) and loan risk rating.

When assigning a risk rating to a loan, management utilizes an eight-point internal risk rating system. Loans deemed to be “acceptable quality” are rated 1 through 4, with a rating of 1 established for loans with minimal risk. Loans deemed to be of “questionable quality” are rated 5 (Special Mention) or 6 (Substandard). Loans with adverse classifications are rated 7 (Doubtful) or 8 (Loss). The risk ratings are also confirmed through periodic loan review examinations, which are currently performed by both an independent third-party and the Company's internal loan review department. The Company requires an annual review be performed above certain dollar thresholds, depending on loan type, to help determine the appropriate risk rating. Results are presented to the Audit Committee of the Board of Directors.

Management estimates the amount of loan losses for groups of loans collectively evaluated for impairment by applying quantitative loss factors to the loan segments at the risk rating level and applying qualitative adjustments to each loan segment at the risk rating level. Quantitative loss factors give consideration to historical loss experience and migration experience by loan type based upon an appropriate look-back period, adjusted for a loss emergence period.

Qualitative adjustments give consideration to other qualitative or environmental factors such as trends and levels of delinquencies, impaired loans, charge-offs, recoveries and loan volumes, as well as national and local economic trends and conditions.

Qualitative adjustments reflect risks in the loan portfolio not captured by the quantitative loss factors and, as such, are evaluated from a risk level perspective relative to the risk levels present over the look-back period. The reserves resulting from the application of both the quantitative experience and qualitative factors are combined to arrive at the allowance for loan losses for loans collectively evaluated for impairment.

Management believes the primary risks inherent in the portfolio are a general decline in the economy, a decline in real estate market values, rising unemployment, elevated unemployment, increasing vacancy rates, and increases in interest rates in the absence of economic improvement. Any one or a combination of these events may adversely affect a borrower's ability to repay its loan, resulting in increased delinquencies and loan losses. Accordingly, the Company has recorded loan losses at a level which is estimated to represent the current risk in its loan portfolio. Management considers it important to maintain the ratio of the allowance for loan losses to total loans at an acceptable level considering the current composition of the loan portfolio.

Although management believes that the Company has established and maintained the allowance for loan losses at appropriate levels, additional reserves may be necessary if future economic and other conditions differ substantially from the current operating environment. Management evaluates its estimates and assumptions on an ongoing basis and the estimates and assumptions are adjusted when facts and circumstances necessitate a re-valuation of the estimate. As future events and their effects cannot be determined with precision, actual results could differ significantly from these estimates. In addition, regulatory agencies periodically review the adequacy of the Company’s allowance for loan losses as an integral part of their examination process. Such agencies may require the Company to recognize additions to the allowance or additional write-downs based on their judgments about information available to them at the

time of their examination. Although management uses the best information available, the level of the allowance for loan losses remains an estimate that is subject to significant judgment.

The determination of whether deferred tax assets will be realizable is predicated on the reversal of existing deferred tax liabilities, utilization against carry-back years, and estimates of future taxable income. Such estimates are subject to management’s judgment. A valuation allowance is established when management is unable to conclude that it is more likely than not that it will realize deferred tax assets based on the nature and timing of these items. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in income tax expense in the period enacted. Based on all available evidence, a valuation allowance was established for the portion of the state tax benefit that is not more likely than not to be realized. At June 30, 2019 and December 31, 2018, the Company's gross deferred

51

COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Item 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

tax assets totaled $49.0 million and $52.1 million, respectively, while the valuation allowance totaled $1.8 million and $2.4 million, respectively.

The Company provides certain health care and life insurance benefits to eligible retired employees. The cost of retiree health care and other benefits during the employees' period of active service are accrued monthly. The accounting guidance requires the following: a) recognizing in the statement of financial position the over funded or underfunded status of a defined benefit post-retirement plan measured as the difference between the fair value of plan assets and the benefit obligations; b) measuring a plan's assets and its obligations that determine its funded status as of the end of the Company's fiscal year (with limited exceptions); and c) recognizing as a component of other comprehensive income (loss), net of tax, the actuarial gain and losses and the prior service costs and credits that arise during the period.

52

COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Qualitative Analysis.Interest rate risk is defined as the exposure of a Company's current and future earnings and capital arising from adverse movements in interest rates. The guidelines of the Company’s interest rate risk policy seek to limit the exposure to changes in interest rates that affect the underlying economic value of assets, liabilities, earnings and capital.

The Asset/Liability Committee meets regularly to review the impact of interest rate changes on net interest income, net interest margin, net income, and the economic value of equity. The Asset/Liability Committee reviews a variety of strategies that project changes in asset or liability mix and the impact of those changes on projected net interest income and net income.

The Company’s strategy for liabilities has been to maintain a stable funding base by focusing on core deposit accounts. The Company’s ability to retain maturing time deposit accounts is the result of its strategy to remain competitively priced within its marketplace. The Company’s pricing strategy may vary depending upon current funding needs and the ability of the Company to fund operations through alternative sources.

Quantitative Analysis. Current and future sensitivity to changes in interest rates are measured through the use of balance sheet and income simulation models. The analysis captures changes in net interest income using flat rates as a base and rising and declining interest rate forecasts. Changes in net interest income and net income for the forecast period, generally twelve to twenty-four months, are measured and compared to policy limits for acceptable changes. The Company periodically reviews historical deposit re-pricing activity and makes modifications to certain assumptions used in its balance sheet and income simulation models regarding the interest rate sensitivity of deposits. These modifications are made to more closely reflect the most likely results under the various interest rate change scenarios. Since it is inherently difficult to predict the sensitivity of interest bearing deposits to changes in interest rates, the changes in net interest income due to changes in interest rates cannot be precisely predicted. There are a variety of reasons that may cause actual results to vary considerably from the predictions presented below which include, but are not limited to, the

timing, magnitude, and frequency of changes in interest rates, interest rate spreads, prepayments, and actions taken in response to such changes.

Assumptions used in the simulation model may include but are not limited to:

•Investment pricing from third parties;

•Loan pricing indications from third parties;

•Loan and depository spread assumptions based upon the Company's product offerings;

•Investment and borrowing spreads based upon third party indications; and

•Prepayment assumptions derived from the Company's actual results and third party surveys.

The table below sets forth, as of June 30, 2019, Columbia Bank's net portfolio value, the estimated changes in our net portfolio value, and the net interest income that would result from the designated instantaneous parallel changes in market interest rates. This data is for the Bank and its subsidiaries only and does not include any assets of the Company.

	Twelve Months Net Interest Income							Net Portfolio Value ("NPV")
	Amount		Dollar Change			Percent of Change		Estimated NPV		Present Value Ratio		Percent Change
Change in Interest Rates (Basis Points)
+200	$	157,203	$	2,260		1.46	%	$	906,031	13.76	%	(12.48	)%
+100	156,611		1,668			1.08		984,589		14.47		(4.90	)
Base	154,943		—			—		1,035,286		14.77		—
-100	152,251		(2,692		)	(1.74	)	1,048,969		14.56		1.32
-200	148,316		(6,627		)	(4.28	)	986,797		13.42		(4.68	)

As of June 30, 2019, based on the scenarios above, net interest income would increase by approximately 1.46% if rates were to rise 200 basis points, but would decrease by 4.28% if rates were to decrease 200 basis points over a one-year time horizon.

Another measure of interest rate sensitivity is to model changes in net portfolio value through the use of immediate and sustained interest rate shocks. As of June 30, 2019, based on the scenarios above, in the event of an immediate and sustained 200 basis point increase in interest rates, the NPV is projected to decrease 12.48%. If rates were to decrease 200 basis points, the model forecasts a 4.68% decrease in the NPV.

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COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Certain shortcomings are inherent in the methodologies used in the above interest rate risk measurements. Modeling changes in net interest income requires the use of certain assumptions regarding prepayment and deposit repricing, which may or may not reflect the manner in which actual yields and costs respond to changes in market interest rates. While management believes such assumptions are reasonable, there can be no assurance that assumed prepayment rates and repricing rates will approximate actual future loan prepayment and deposit repricing activity.

Moreover, net interest income assumes that the composition of interest sensitive assets and liabilities existing at the beginning of a period remains constant over the period being measured and also assumes that a particular change in interest rates is reflected uniformly across the yield curve regardless of the duration to maturity or repricing of specific assets and liabilities. Accordingly, although the net interest income table provides an indication of the Company’s interest rate risk exposure at a particular point in time, such measurement is not intended to and does not provide a precise forecast of the effect of changes in market interest rates on the Company’s net interest income and will differ from actual.

Liquidity Management and Capital Resources:

Liquidity Management. Liquidity refers to the Company's ability to generate adequate amounts of cash to meet financial obligations of a short-term and long-term nature. Sources of funds consist of deposit inflows, loan repayments and maturities, maturities and sales of securities, and the ability to execute new borrowings. While maturities and scheduled amortization of loans and securities are predictable sources of funds, deposit flows, calls of debt securities, and prepayments on loans and mortgage-based securities are influenced by economic conditions, competition, and interest rate movements.

The Company's cash flows are identified as cash flows from operating activities, investing activities and financing activities. Refer to the consolidated statements of cash flows for further details of the cash inflows and outflows of the Company.

Capital Resources. The Company and its subsidiary Bank are subject to various regulatory capital requirements administered by the federal banking regulators, including a risk-based capital measure. The Federal Reserve establishes capital requirements, including well capitalized standards, for the consolidated financial holding company, and the OCC has similar requirements for the Company's subsidiary bank. Failure to meet minimum capital requirements can initiate certain mandatory and possibly additional discretionary actions by regulators that, if undertaken, could have a direct material effect on the Company's consolidated statements of financial condition. Federal regulators require federally insured depository institutions to meet several minimum capital standards: (1) total capital to risk-weighted assets of 8.0%; (2) tier 1 capital to risk-weighted assets of 6.0%; (3) common equity tier 1 capital to risk-weighted assets of 4.5%; and (4) tier 1 capital to adjusted total assets of 4.0%. In addition to establishing the minimum regulatory capital requirements, the regulations limit capital distributions and certain discretionary bonus payments to management if the institution does not hold a “capital conservation buffer” consisting of 2.5% of common equity tier 1 capital to risk-weighted assets above the amount necessary to meet its minimum risk-based capital requirements. The capital conservation buffer capital requirement

was fully phased in on January 1, 2019. The regulators established a framework for the classification of savings institutions into five categories: well capitalized, adequately capitalized, undercapitalized, significantly undercapitalized, and critically undercapitalized. Generally, an institution is considered well capitalized if it has: a total capital to risk-weighted assets ratio of at least 10.0%, a tier 1 capital to risk-weighted assets ratio of at least 8.0%, a common tier 1 capital to risk-weighted assets ratio of at least 6.5%, and a tier 1 capital to adjusted total assets ratio of at least 5.0%. As of June 30, 2019 and December 31, 2018, each of the Company and the Bank exceeded all capital adequacy requirements to which it is subject.

The following table presents the Company's and the Bank's actual capital amounts and ratios as of June 30, 2019 and December 31, 2018 compared to the Federal Reserve Bank minimum capital adequacy requirements and the Federal Reserve Bank requirements for classification as a well-capitalized institution:

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COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

	Actual				Minimum Capital Adequacy Requirements				Minimum capital Adequacy Requirements with Capital Conservation Buffer				To be Well Capitalized Under Prompt Corrective Action Provisions
	Amount		Ratio		Amount		Ratio		Amount		Ratio		Amount	Ratio
Company	(In thousands, except ratio data)
At June 30, 2019:
Total capital (to risk-weighted assets)	$	1,122,937	22.97	%	$	391,077	8.00	%	$	513,289	10.50	%	N/A	N/A
Tier 1 capital (to risk-weighted assets)	1,061,814		21.72	%	293,308		6.00	%	415,519		8.50	%	N/A	N/A
Common equity tier 1 capital (to risk-weighted assets)	1,061,814		21.72	%	219,981		4.50	%	342,192		7.00	%	N/A	N/A
Tier 1 capital (to adjusted total assets)	1,061,814		15.75	%	269,595		4.00	%	269,595		4.00	%	N/A	N/A
At December 31, 2018:
Total capital (to risk-weighted assets)	$	1,094,062	23.45	%	$	373,276	8.00	%	$	460,763	9.88	%	N/A	N/A
Tier 1 capital (to risk-weighted assets)	1,035,477		22.19		279,957		6.00		367,444		7.88		N/A	N/A
Common equity tier 1 capital (to risk-weighted assets)	1,035,477		22.19		209,968		4.50		297,455		6.38		N/A	N/A
Tier 1 capital (to adjusted total assets)	1,035,477		15.75		263,037		4.00		263,037		4.00		N/A	N/A

55

COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

	Actual				Minimum Capital Adequacy Requirements				Minimum capital Adequacy Requirements with Capital Conservation Buffer				To be Well Capitalized Under Prompt Corrective Action Provisions
	Amount		Ratio		Amount		Ratio		Amount		Ratio		Amount		Ratio
Bank	(In thousands, except ratio data)
At June 30, 2019:
Total capital (to risk-weighted assets)	$	895,697	18.36	%	$	390,307	8.00	%	$	512,278	10.50	%	$	487,884	10.00	%
Tier 1 capital (to risk-weighted assets)	834,693		17.11		292,730		6.00		414,701		8.50		390,307		8.00
Common equity tier 1 capital (to risk-weighted assets)	834,693		17.11		219,548		4.50		341,519		7.00		317,124		6.50
Tier 1 capital (to adjusted total assets)	834,693		12.38		269,683		4.00		269,683		4.00		337,103		5.00
At December 31, 2018:
Total capital (to risk-weighted assets)	$	886,728	19.04	%	$	372,550	8.00	%	$	459,866	9.88	%	$	465,687	10.00	%
Tier 1 capital (to risk-weighted assets)	828,257		17.79		279,412		6.00		366,729		7.88		372,550		8.00
Common equity tier 1 capital (to risk-weighted assets)	828,257		17.79		209,559		4.50		296,875		6.38		302,697		6.50
Tier 1 capital (to adjusted total assets)	828,257		12.60		263,025		4.00		263,025		4.00		328,781		5.00

As a result of the recently enacted Economic Growth, Regulatory Relief, and Consumer Protection Act, the federal banking agencies are required to develop a "Community Bank Leverage Ratio" (the ratio of a bank's tangible equity capital to average total consolidated assets) for financial institutions with less than $10 billion. A "qualifying community bank" that exceeds this ratio will be deemed to be in compliance with all other capital and leverage requirements, including the capital requirements to be considered "well capitalized' under Prompt Corrective Action statutes. The federal banking agencies may consider a financial institution's risk profile when evaluating whether it qualifies as a community bank for purposes of the capital ratio requirement. The federal banking agencies must set the minimum capital for the new Community Bank Leverage Ratio at not less than 8% and not more than 10%. A financial institution can elect to be subject to this new definition.

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COLUMBIA FINANCIAL, INC. AND SUBSIDIARIES

Item 4. CONTROLS AND PROCEDURES

An evaluation was performed under the supervision and with the participation of the Company’s management, including the Chief Executive Officer and the Chief Financial Officer, of the effectiveness of the design and operation of the Company’s disclosure controls and procedures (as defined in Rule 13a-15(e) promulgated under the Securities and Exchange Act of 1934, as amended) as of June 30, 2019. Based on that evaluation, the Company’s management, including the Chief Executive Officer and the Chief Financial Officer, concluded that, as of the end of the period covered by this report, the Company’s disclosure controls and procedures were effective.

During the quarter ended June 30, 2019, there were no changes in the Company’s internal control over financial reporting that have materially affected, or are reasonably likely to materially affect, the Company’s internal control over financial reporting.

57

PART II – OTHER INFORMATION

Item 1.     Legal Proceedings

The Company is involved in various legal actions and claims arising in the normal course of business. In the opinion of management, these legal actions and claims are not expected to have a material adverse impact on the Company’s financial condition.

Item 1A.     Risk Factors

For information regarding the Company’s risk factors, refer to the Risk Factors previously disclosed under Item 1A of the Company’s Annual Report on Form 10-K for the year ended December 31, 2018 filed with the Securities and Exchange Commission. As of June 30, 2019 the risk factors of the Company have not materially changed from those disclosed in the Company's Annual Report on Form 10-K.     

Item 2.     Unregistered Sales of Equity Securities and Use of Proceeds

The following table reports information regarding repurchases of the Company's common stock during the quarter ended June 30, 2019:

Period	Total Number of Shares	Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs (1)	Maximum Number of Shares that May Yet Be Purchased Under the Plans or Programs
April 1 - 30, 2019	—	$	—	—	—
May 1 - 31, 2019	—	—		—	—
June 1 - 30, 2019	263,900	14.65		263,900	3,736,100
Total	263,900	$	14.65	263,900	3,472,200
(1) On June 11, 2019, the Company announced that the Company's Board of Directors authorized a stock repurchase program for up to 4,000,000 shares of the Company's issued and outstanding common stock, commencing on June 13, 2019.

Item 3.     Defaults Upon Senior Securities

Not Applicable.

Item 4.     Mine Safety Disclosures

Not Applicable.

Item 5.     Other Information

None.

Item 6.     Exhibits

The exhibits listed in the Exhibit Index (following the signatures section of this report) are included in, or incorporated by reference into this Quarterly Report on Form 10-Q.

58

Exhibit Index

31.1	Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2	Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32	Certification of Chief Executive Officer and Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.	The following materials from the Company’s Quarterly Report to Stockholders on Form 10-Q for the quarter ended June 30, 2019, formatted in XBRL (Extensible Business Reporting Language): (i) the Consolidated Statements of Financial Condition, (ii) the Consolidated Statements of Income, (iii) the Consolidated Statements of Comprehensive Income, (iv) the Consolidated Statements of Changes in Stockholder’s Equity, (v) the Consolidated Statements of Cash Flows and (vi) the Notes to Consolidated Financial Statements.
101.	INS XBRL Instance Document
101.	SCH XBRL Taxonomy Extension Schema Document
101.	CAL XBRL Taxonomy Extension Calculation Linkbase Document
101.	DEF XBRL Taxonomy Extension Definition Linkbase Document
101.	LAB XBRL Taxonomy Extension Labels Linkbase Document
101.	PRE XBRL Taxonomy Extension Presentation Linkbase Document

59

SIGNATURES

Pursuant to the requirements of Section 13 of the Securities Exchange Act of 1934, the Registrant has duly caused this quarterly report to be signed on its behalf by the undersigned, thereunto duly authorized.

		Columbia Financial, Inc.
Date:	August 13, 2019	/s/Thomas J. Kemly
		Thomas J. Kemly
		President and Chief Executive Officer
		(Principal Executive Officer)
Date:	August 13, 2019	/s/Dennis E. Gibney
		Dennis E. Gibney
		Executive Vice President and Chief Financial Officer
		(Principal Financial and Accounting Officer)

60

EX-31.1

Section 2: EX-31.1 (EXHIBIT 31.1)

Certification of Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

I, Thomas J. Kemly, certify that:

1. I have reviewed this report on Form 10-Q of Columbia Financial, Inc.

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officers and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a. designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b. designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c. evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d. disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officers and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors:

a. all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b. any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date:	August 13, 2019	/s/Thomas J. Kemly
		Thomas J. Kemly
		President and Chief Executive Officer

EX-31.2

Section 3: EX-31.2 (EXHIBIT 31.2)

Certification Pursuant to

Exchange Act Rule 13a-14(a) and Rule 15d-14(a)

Certification of Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

I, Dennis E. Gibney, certify that:

1. I have reviewed this report on Form 10-Q of Columbia Financial, Inc.

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officers and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a. designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b. designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c. evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d. disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

The registrant’s other certifying officers and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors:

a. all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b. any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date:	August 13, 2019	/s/Dennis E. Gibney
		Dennis E. Gibney
		Executive Vice President and Chief Financial Officer

EX-32.0

Section 4: EX-32 (Exhibit 32)

Certification pursuant to 18 U.S.C. Section 1350,

as adopted pursuant to Section 906

of the Sarbanes-Oxley Act of 2002

Thomas J. Kemly, President and Chief Executive Officer, and Dennis E. Gibney, Executive Vice President and Chief Financial Officer of Columbia Financial Inc. (the “Company”), each certify in his capacity as an officer of the Company that he has reviewed the quarterly report of the Company on Form 10-Q for the quarter ended June 30, 2019 and that to the best of his knowledge:

(1) the report fully complies with the requirements of Sections 13(a) of the Securities Exchange Act of 1934; and

(2) the information contained in the report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:	August 13, 2019	/s/Thomas J. Kemly
		Thomas J. Kemly
		President and Chief Executive Officer
Date:	August 13, 2019	/s/Dennis E. Gibney
		Dennis E. Gibney
		Executive Vice President and Chief Financial Officer

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Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2019	Aug. 09, 2019
Document and Entity Information [Abstract]
Entity Registrant Name	Columbia Financial, Inc.
Entity Central Index Key	0001723596
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Small Business	false
Document Type	10-Q
Document Period End Date	Jun. 30, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period	Q2
Entity Current Reporting Status	Yes
Entity Shell Company	false
Amendment Flag	false
Entity Common Stock, Shares Outstanding (in shares)		116,270,601

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Consolidated Statements of Financial Condition - USD ($)	Jun. 30, 2019	Dec. 31, 2018
Assets
Cash and due from banks	$ 54,255,000	$ 42,065,000
Short-term investments	122,000	136,000
Total cash and cash equivalents	54,377,000	42,201,000
Debt securities available for sale, at fair value	1,099,801,000	1,032,868,000
Debt securities held to maturity, at amortized cost (fair value of $303,179 and $254,841 at June 30, 2019 and December 31, 2018, respectively)	299,605,000	262,143,000
Equity securities	1,915,000	1,890,000
Federal Home Loan Bank stock	58,613,000	58,938,000
Loans held-for-sale, at fair value	2,044,000	8,081,000
Loans receivable	5,113,174,000	4,979,182,000
Less: allowance for loan losses	62,403,000	62,342,000
Loans receivable, net	5,050,771,000	4,916,840,000
Accrued interest receivable	20,310,000	18,894,000
Real estate owned	0	92,000
Office properties and equipment, net	61,267,000	52,050,000
Bank-owned life insurance	187,153,000	184,488,000
Goodwill and intangible assets	6,191,000	6,085,000
Other assets	138,696,000	107,048,000
Total assets	6,980,743,000	6,691,618,000
Liabilities:
Deposits	4,668,645,000	4,413,873,000
Borrowings	1,163,271,000	1,189,180,000
Advance payments by borrowers for taxes and insurance	34,419,000	32,030,000
Accrued expenses and other liabilities	106,499,000	84,475,000
Total liabilities	5,972,834,000	5,719,558,000
Stockholders' equity:
Preferred stock, $0.01 par value. 10,000,000 shares authorized; none issued and outstanding at June 30, 2019 and December 31, 2018	0	0
Common stock, $0.01 par value. 500,000,000 shares authorized; 115,889,175 shares issued; 115,625,275 shares outstanding at June 30, 2019 and 115,889,175 shares outstanding at December 31, 2018	1,159,000	1,159,000
Additional paid-in capital	527,650,000	527,037,000
Retained earnings	587,714,000	560,216,000
Accumulated other comprehensive loss	(61,319,000)	(71,897,000)
Treasury stock, at cost; 263,900 shares at June 30, 2019 and -0- at December 31, 2018	(3,867,000)	0
Common stock held by the Employee Stock Ownership Plan	(42,710,000)	(43,835,000)
Stock held by Rabbi Trust	(1,407,000)	(1,259,000)
Deferred compensation obligations	689,000	639,000
Total stockholders' equity	1,007,909,000	972,060,000
Total liabilities and stockholders' equity	$ 6,980,743,000	$ 6,691,618,000

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Consolidated Statements of Financial Condition (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Statement of Financial Position [Abstract]
Debt securities held to maturity	$ 303,179	$ 254,841
Preferred stock, par value (in usd per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	10,000,000	10,000,000
Common stock, par value (in usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	500,000,000	500,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, shares issued (in shares)	115,889,175	115,889,175
Common stock, shares outstanding (in shares)	115,625,275	115,889,175
Treasury stock, shares (in shares)	263,900	0

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Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Interest income:
Loans receivable	$ 51,709	$ 45,865	$ 103,969	$ 89,706
Debt securities available for sale and equity securities	7,900	4,922	15,559	11,336
Debt securities held to maturity	2,115	2,991	4,022	3,455
Federal funds and interest earning deposits	134	584	223	1,072
Federal Home Loan Bank stock dividends	874	657	1,846	1,244
Total interest income	62,732	55,019	125,619	106,813
Interest expense:
Deposits	15,250	9,194	28,929	17,293
Borrowings	6,639	4,810	13,463	9,442
Total interest expense	21,889	14,004	42,392	26,735
Net interest income	40,843	41,015	83,227	80,078
Provision for loan losses	112	2,400	548	4,400
Net interest income after provision for loan losses	40,731	38,615	82,679	75,678
Non-interest income:
Bank-owned life insurance	1,345	1,493	2,665	2,557
Loan fees and service charges	1,500	451	2,320	922
Gain on securities transactions	339	0	465	116
Change in fair value of equity securities	71	0	247	0
Gain on sale of loans	196	15	328	15
Other non-interest income	1,174	1,260	2,637	2,433
Total non-interest income	6,775	5,450	12,812	9,992
Non-interest expense:
Compensation and employee benefits	20,343	18,275	39,923	36,325
Occupancy	3,824	3,518	7,655	7,234
Federal deposit insurance premiums	462	473	887	901
Advertising	1,390	1,292	2,778	2,139
Professional fees	1,431	1,076	2,678	1,857
Data processing	669	672	1,307	1,314
Charitable contribution to foundation	0	34,767	0	34,767
Merger-related expenses	462	0	462	0
Other non-interest expense	3,260	1,695	5,710	3,246
Total non-interest expense	31,841	61,768	61,400	87,783
Income (loss) before income tax expense (benefit)	15,665	(17,703)	34,091	(2,113)
Income tax expense (benefit)	3,634	(2,961)	7,141	845
Net income (loss)	$ 12,031	$ (14,742)	$ 26,950	$ (2,958)
Basic and diluted earnings (loss) per share (in usd per share)	$ 0.11	$ (0.13)	$ 0.24	$ (0.03)
Weighted average shares outstanding - basic and diluted (in shares)	111,553,203	111,360,278	111,544,339	111,360,278
Demand deposit account fees
Non-interest income:
Revenue from contract with customer	$ 1,051	$ 976	$ 2,010	$ 1,920
Title insurance fees
Non-interest income:
Revenue from contract with customer	$ 1,099	$ 1,255	$ 2,140	$ 2,029

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Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 12,031	$ (14,742)	$ 26,950	$ (2,958)
Other comprehensive income (loss), net of tax:
Unrealized gains (losses) on debt securities available for sale	14,092	(2,860)	23,387	(12,829)
Accretion of unrealized (loss) gain on debt securities reclassified as held to maturity	(2)	(3)	8	(2)
Reclassification adjustment for gains included in net income	260	0	360	88
Total other comprehensive (loss) income, net of tax	14,350	(2,863)	23,755	(12,743)
Derivatives, net of tax:
Unrealized (loss) gain on swap contracts accounted for as cash flow hedges	(4,676)		(7,456)
Unrealized (loss) gain on swap contracts accounted for as cash flow hedges		164		506
Total derivatives, net of tax		164		506
Employee benefit plans, net of tax:
Amortization of prior service cost included in net income	(11)	0	(22)	118
Reclassification adjustment of actuarial net (loss) gain included in net income	(731)	0	(1,461)	527
Change in funded status of retirement obligations	(4,431)	2,323	(3,690)	1,266
Total employee benefit plans, net of tax	(5,173)	2,323	(5,173)	1,911
Total other comprehensive income (loss)	4,501	(376)	11,126	(10,326)
Total comprehensive income (loss), net of tax	$ 16,532	$ (15,118)	$ 38,076	$ (13,284)

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Consolidated Statements of Changes in Stockholder's Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in-Capital	Retained Earnings	Accumulated Other Comprehensive (Loss)	Treasury Stock	Common Stock Held by the Employee Stock Ownership Plan	Stock Held by Rabbi Trust	Deferred Compensation Obligations	Columbia Bank MHC	Columbia Bank MHC Common Stock	Columbia Bank Foundation	Columbia Bank Foundation Common Stock	Columbia Bank Foundation Additional Paid-in-Capital	IPO	IPO Common Stock	IPO Additional Paid-in-Capital
Balance at beginning of period at Dec. 31, 2017	$ 472,070	$ 0	$ 0	$ 537,480	$ (65,410)	$ 0	$ 0	$ 0	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(2,958)			(2,958)
Other comprehensive income (loss)	(10,326)				(10,326)
Issuance of common stock										$ 626	$ 626	$ 34,767	$ 35	$ 34,732	$ 491,802	$ 498	$ 491,304
Purchase of Employee Stock Ownership Plan shares	(45,428)						(45,428)
Employee Stock Ownership Plan shares committed to be released	744		296				448
Balance at end of year at Jun. 30, 2018	941,297	1,159	526,332	534,522	(75,736)	0	(44,980)	0	0
Balance at beginning of period at Mar. 31, 2018	473,904	0	0	549,264	(75,360)	0	0	0	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(14,742)			(14,742)
Other comprehensive income (loss)	(376)				(376)
Issuance of common stock										$ 626	$ 626	$ 34,767	$ 35	$ 34,732	$ 491,802	$ 498	$ 491,304
Purchase of Employee Stock Ownership Plan shares	(45,428)						(45,428)
Employee Stock Ownership Plan shares committed to be released	744		296				448
Balance at end of year at Jun. 30, 2018	941,297	1,159	526,332	534,522	(75,736)	0	(44,980)	0	0
Balance at beginning of period at Dec. 31, 2018	972,060	1,159	527,037	560,216	(71,897)	0	(43,835)	(1,259)	639
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	26,950			26,950
Other comprehensive income (loss)	11,126				11,126
Purchase of treasury stock	(3,867)					(3,867)
Employee Stock Ownership Plan shares committed to be released	1,738		613				1,125
Funding of deferred compensation obligations	(98)							(148)	50
Balance at end of year at Jun. 30, 2019	1,007,909	1,159	527,650	587,714	(61,319)	(3,867)	(42,710)	(1,407)	689
Balance at beginning of period at Mar. 31, 2019	994,502	1,159	527,346	575,683	(65,820)	0	(43,276)	(1,359)	769
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	12,031			12,031
Other comprehensive income (loss)	4,501				4,501
Purchase of treasury stock	(3,867)					(3,867)
Employee Stock Ownership Plan shares committed to be released	870		304				566
Funding of deferred compensation obligations	(128)							(48)	(80)
Balance at end of year at Jun. 30, 2019	$ 1,007,909	$ 1,159	$ 527,650	$ 587,714	$ (61,319)	$ (3,867)	$ (42,710)	$ (1,407)	$ 689

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Consolidated Statements of Cash Flows - USD ($)	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash flows from operating activities:
Net income (loss)	$ 26,950,000	$ (2,958,000)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities:
Amortization of deferred loan fees and costs, premiums and discounts	1,102,000	837,000
Net amortization of premiums and discounts on securities	589,000	707,000
Net amortization on mortgage servicing rights	(52,000)	40,000
Amortization of debt issuance costs	0	312,000
Depreciation and amortization of office properties and equipment	2,170,000	1,834,000
Provision for loan losses	548,000	4,400,000
Gain on securities transactions	(465,000)	(116,000)
Change in fair value of equity securities	(247,000)	0
Gain on sales of loans	(328,000)	(15,000)
Loss on real estate owned	1,000	13,000
Deferred tax (benefit) expense	(7,160,000)	6,811,000
Increase in accrued interest receivable	(1,416,000)	(1,152,000)
Increase in other assets	(34,322,000)	(17,474,000)
Increase in accrued expenses and other liabilities	12,880,000	3,166,000
Income on bank-owned life insurance	(2,665,000)	(2,127,000)
Contribution of common stock to Columbia Bank Foundation	0	34,767,000
Employee stock ownership plan expense	1,738,000	744,000
Increase in deferred compensation obligations under Rabbi Trust	(98,000)	0
Net cash (used in) provided by operating activities	(775,000)	29,789,000
Cash flows from investing activities:
Proceeds from sales of debt securities available for sale	15,711,000	0
Proceeds from sales of equity securities	765,000	0
Proceeds from paydowns/maturities/calls of debt securities available for sale	49,569,000	39,507,000
Proceeds from paydowns/maturities/calls on debt securities held to maturity	9,964,000	4,453,000
Purchases of debt securities available for sale	(80,499,000)	(278,610,000)
Purchases of debt securities held to maturity	(47,671,000)	(19,761,000)
Purchase of equity securities	(417,000)	0
Proceeds from sales of loans held-for-sale	45,003,000	0
Proceeds from sales of loans receivable	2,483,000	3,695,000
Purchases of loans receivable	(29,885,000)	(4,715,000)
Net increase in loans receivable	(168,486,000)	(252,786,000)
Death benefit proceeds from bank-owned life insurance	0	811,000
Proceeds from redemptions of Federal Home Loan Bank stock	32,851,000	40,226,000
Purchases of Federal Home Loan Bank stock	(32,526,000)	(40,571,000)
Additions to office properties and equipment	(11,387,000)	(5,837,000)
Proceeds from sales of real estate owned	91,000	286,000
Net cash (used in) investing activities	(214,434,000)	(513,302,000)
Cash flows from financing activities:
Net increase in deposits	254,772,000	31,517,000
Proceeds from long-term borrowings	78,991,000	154,050,000
Payments on long-term borrowings	(160,000,000)	(120,000,000)
Net increase (decrease) in short-term borrowings	55,100,000	(32,801,000)
Increase in advance payments by borrowers for taxes and insurance	2,389,000	5,432,000
Issuance of common stock	0	492,428,000
Purchase of treasury stock	(3,867,000)	0
Purchase of employee stock ownership plan shares	0	(45,428,000)
Net cash provided by financing activities	227,385,000	485,198,000
Net increase in cash and cash equivalents	12,176,000	1,685,000
Cash and cash equivalents at beginning of year	42,201,000	65,498,000
Cash and cash equivalents at end of period	54,377,000	67,183,000
Cash paid during the period for:
Interest on deposits and borrowings	21,491,000	26,947,000
Income tax payments, net of (refunds)	(5,174,000)	9,435,000
Non-cash investing and financing activities:
Transfer of loans receivable to loans held-for-sale	38,966,000	0
Securitization of loans	$ 21,615,000	$ 0

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Basis of Financial Statement Presentation

6 Months Ended

Jun. 30, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Financial Statement Presentation

Basis of Financial Statement Presentation

The accompanying unaudited consolidated financial statements include the accounts of Columbia Financial, Inc., its wholly-owned subsidiary Columbia Bank (the "Bank") and the Bank's wholly-owned subsidiaries (collectively, the “Company”). In consolidation, all intercompany accounts and transactions are eliminated.

Columbia Financial, Inc. is a majority-owned subsidiary of Columbia Bank, MHC (the "MHC"). The accounts of the MHC are not consolidated in the accompanying consolidated financial statements of the Company.

In preparing the interim unaudited consolidated financial statements, management is required to make estimates and assumptions that affect the reported amounts of assets and liabilities as of the dates of the consolidated statements of financial condition and consolidated statements of income for the periods presented. Actual results could differ from these estimates. Material estimates that are particularly susceptible to change are the determination of the adequacy of the allowance for loan losses, evaluation of the need for valuation allowances on deferred tax assets, and determination of liabilities related to retirement and other post-retirement benefits. These estimates and assumptions are evaluated on an ongoing basis and are adjusted when facts and circumstances dictate.

The interim unaudited consolidated financial statements reflect all normal and recurring adjustments, which are, in the opinion of management, considered necessary for a fair presentation of the financial condition and results of operations for the periods presented. The results of operation for the three and six month periods ended June 30, 2019 are not necessarily indicative of the results of operation that may be expected for the entire fiscal year or any other period. Certain reclassifications have been made in the consolidated financial statements to conform with current year classifications.

The interim unaudited consolidated financial statements of the Company presented herein have been prepared in accordance with the rules of the Securities and Exchange Commission (“SEC”) for quarterly reports on Form 10-Q and U.S. generally accepted accounting principles (“GAAP”). Certain information and note disclosures have been condensed or omitted pursuant to the rules and regulations of the SEC.

These unaudited consolidated financial statements should be read in conjunction with the Company's Annual Report on Form 10-K for the year ended December 31, 2018 and the audited consolidated financial statements included therein.

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Earnings per Share

6 Months Ended

Jun. 30, 2019

Earnings Per Share [Abstract]

Earnings Per Share

Earnings per Share

Basic earnings per share ("EPS") is computed by dividing net income available to common shareholders by the weighted average number of common shares outstanding during the period. For purposes of calculating basic EPS, weighted average common shares outstanding excludes treasury stock, unallocated employee stock ownership plan shares that have not been committed for release and deferred compensation obligations required to be settled in shares of Company stock.

Diluted EPS is computed using the same method as basic EPS and reflects the potential dilution which could occur if stock options and unvested shares were exercised and converted into common stock. The potentially diluted shares would then be included in the weighted average number of shares outstanding for the period using the treasury stock method. For the three and six months ended June 30, 2019 and 2018, the Company did not have any stock options outstanding.

2.    Earnings per Share (continued)

The following is a reconciliation of the numerators and denominators of the basic and diluted earnings per share calculations for the three and six months ended June 30, 2019 and 2018:

	For the Three Months Ended June 30,					For the Six Months Ended June 30,
	2019		2018			2019		2018
	(Dollars in thousands, except per share data)
Net income (loss)	$	12,031	$	(14,742	)	$	26,950	$	(2,958	)
Basic earnings per share:
Weighted average shares outstanding - basic	111,553,203		111,360,278			111,544,339		111,360,278
Basic earnings (loss) per share	$	0.11	$	(0.13	)	$	0.24	$	(0.03	)
Diluted earnings per share:
Weighted average shares outstanding - diluted	111,553,203		111,360,278			111,544,339		111,360,278
Diluted earnings (loss) per share	$	0.11	$	(0.13	)	$	0.24	$	(0.03	)

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Stock Repurchase Program

6 Months Ended

Jun. 30, 2019

Equity [Abstract]

Stock Repurchase Program

Stock Repurchase Program

On June 11, 2019, the Company announced that its Board of Directors authorized the Company's first stock repurchase program since the completion of its minority public offering in April 2018. This program, which commenced on June 13, 2019, authorizes the purchase of up to 4,000,000 shares, or approximately 3.5%, of the Company's currently issued and outstanding common stock. During both the three and six months ended June 30, 2019, the Company purchased 263,900 shares at a cost of approximately $3.9 million or $14.65 per share. Repurchased shares are held as treasury stock and will be available for general corporate purposes.

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Summary of Significant Accounting Policies

6 Months Ended

Jun. 30, 2019

New Accounting Pronouncements and Changes in Accounting Principles [Abstract]

Summary of Significant Accounting Policies

Summary of Significant Accounting Policies

Accounting Pronouncements Adopted in 2019

In March 2017, the FASB issued ASU No. 2017-07, Compensation - Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Post-retirement Benefit Cost, which requires that companies disaggregate the service cost component from other components of net benefit cost. This update calls for companies that offer post-retirement benefits to present the service cost, which is the amount an employer has to set aside each quarter or fiscal year to cover the benefits, in the same line item with other current employee compensation costs. Other components of net benefit cost will be presented in the income statement separately from the service costs component and outside the subtotal of income from operations, if one is presented. The effective date for this ASU for the Company is fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. The Company adopted this guidance effective January 1, 2019. See note 10 for additional disclosure regarding the impact of adoption of this ASU on the Company's consolidated financial statements.

In August 2016, the FASB issued ASU No. 2016-15, Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments, a new standard which addresses diversity in practice related to eight specific cash flow issues: debt prepayment or extinguishment costs, settlement of zero-coupon debt instruments or other debt instruments with coupon interest rates that

are insignificant in relation to the effective interest rate of the borrowing, contingent consideration payments made after a business combination, proceeds from the settlement of insurance claims, proceeds from the settlement of corporate-owned life insurance policies (including bank-owned life insurance policies), distributions received from equity method investees, beneficial interests in securitization

transactions and separately identifiable cash flows and application of the predominance principle. This guidance in the ASU is effective for the Company for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. Entities will apply the standard’s provisions using a retrospective transition method to each period presented. If it is impracticable to apply the amendments retrospectively for some of the issues, the amendments for those issues would be applied prospectively as of the earliest date practicable. The Company adopted this guidance effective January 1, 2019. The adoption of this ASU did not have a material impact on the Company's consolidated financial statements.

4.    Summary of Significant Accounting Policies (continued)

Accounting Pronouncements Adopted in 2019 (continued)

In January 2016, the FASB issued ASU No. 2016-01, Financial Instruments- Overall: Recognition and Measurement of Financial Assets and Financial Liabilities. This guidance requires an entity to: (i) measure equity investments at fair value through net income, with certain exceptions; (ii) present in other comprehensive income the changes in instrument-specific credit risk for financial liabilities measured using the fair value option; (iii) present financial assets and financial liabilities by measurement category and form of financial asset; (iv) calculate the fair value of financial instruments for disclosure purposes based on an exit price; and (v) assess a valuation

allowance on deferred tax assets related to unrealized losses on available-for-sale debt securities in combination with other deferred tax assets. This guidance provides an election to subsequently measure certain non-marketable equity investments at cost less any impairment and adjusted for certain observable price changes.

The guidance also requires a qualitative impairment assessment of such equity investments and amends certain fair value disclosure requirements. The guidance in the ASU is effective for the Company for annual periods beginning after December 15, 2018.

The Company adopted this guidance effective January 1, 2019. As a result, $1.9 million of equity securities, as of December 31, 2018, were reclassified from securities available for sale, and presented as a separate line item on the consolidated statements of financial condition. The $548,000 after tax unrealized gain on these securities, at time of adoption, was reclassified from other comprehensive income (loss) to retained earnings, and is reflected in the consolidated statements of changes in stockholders' equity. For financial instruments that are measured at amortized cost, the Company measures fair value utilizing an exit price methodology. See note 11 for additional disclosure regarding the impact of adoption of this ASU on the Company's consolidated financial statements.

In May 2014, the FASB issued ASU No. 2014-09, Revenue from Contracts with Customers. The objective of this amendment is to clarify the principles for recognizing revenue and to develop a common revenue standard for U.S. GAAP. This update affects 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 in the scope of other standards. The guidance in the ASU was effective for the Company for fiscal years beginning after December 15, 2018. Subsequently, the FASB issued various amendments that were intended to improve and clarify the implementation guidance of ASU No. 2014-09 and had the same effective date as the original guidance. The Company's revenue is primarily comprised of net interest income on interest earning assets and liabilities and non-interest income. The scope of guidance explicitly excludes net interest income as well as other revenues associated with financial assets and liabilities, including loans, leases, securities and derivatives. The Company adopted this guidance effective January 1, 2019, after completing an evaluation of the Company's revenue streams and applicable revenue recognition, and concluded that there are no material changes related to the timing or amount of revenue recognition. The adoption of this guidance did not have a significant impact on the Company's consolidated financial statements, but resulted in additional footnote disclosures, including the disaggregation of certain categories of revenues. See note 14 for additional disclosure regarding the impact of adoption of this ASU on the Company's consolidated financial statements.

Accounting Pronouncements Not Yet Adopted

In October 2018, the FASB issued ASU No. 2018-16, Derivatives and Hedging (Topic 815)- Inclusion of the Secured Overnight Financing Rate ("SOFR") Overnight Index Swap ("OIS") Rate as a Benchmark Interest Rate for Hedge Accounting Purposes. This ASU permits the use of the OIS rate based upon SOFR as a U.S. benchmark interest rate for hedge accounting purposes under Topic 815 in addition to the direct Treasury obligations of the U.S. Government, the LIBOR swap rate, the OIS rate based on the Fed Funds Effective Rate, and the Securities Industry and Financial Markets Association Municipal Swap Rate. The amendments in this ASU are required to be adopted concurrently with the amendments in ASU No. 2017-12, Derivatives and Hedging: Targeted Improvements to Accounting for Hedging Activities, which was issued in August 2017. The effective date for this ASU for the Company is for fiscal years beginning after December 15, 2019, with early adoption, including adoption in an interim period permitted. The amendments should be adopted on a prospective basis for qualifying new of redesignated hedging relationships entered into on or after date of adoption. The Company does not expect the adoption of this guidance to have a significant impact on its consolidated financial statements.

4.    Summary of Significant Accounting Policies (continued)

Accounting Pronouncements Not Yet Adopted (continued)

In August 2018, the FASB issued ASU No. 2018-13, Fair Value Measurement (Topic 820):Disclosure Framework-Changes to the Disclosure Requirements for Fair Value Measurement. The purpose of this updated guidance is to improve the effectiveness and disclosures in the notes to the financial statements. The ASU removes the requirement to disclose the amount of and reasons for transfers between Level 1 and Level 2 of the fair value hierarchy; removes the policy for timing of transfers between levels; and removes the disclosure related to the valuation process for Level 3 fair value measurements. The ASU also modifies existing disclosure requirements which relate to the disclosure for investments in certain entities which calculate net asset value and clarifies the disclosure about uncertainty in the measurements as of the reporting date.

For all entities, the effective date for this guidance is fiscal years beginning after December 15, 2019, including interim periods within the reporting period, with early adoption permitted. Entities are also allowed to elect early adoption of the eliminated or modified disclosure requirements and delay adoption of the new disclosure requirements until their effective date. The Company is currently evaluating the impact of the new guidance on its consolidated financial statements.

In August 2018, the FASB issued ASU 2018-14, Compensation-Retirement Benefits-Defined Benefit Plans-General (Subtopic 715-20): Disclosure Framework-Changes to the Disclosure Requirements for Defined Benefit Plans. The amendments in this update modify the disclosure requirements for employers that sponsor defined benefit pension or other post-retirement plans by removing disclosures that no longer are considered cost beneficial, clarifying the specific requirements of disclosures, and adding disclosure requirements identified as relevant. Among other changes, the ASU adds disclosure requirements to Topic 715-20 for the weighted-average interest crediting rates for cash balance plans and other plans with promised interest crediting rates and an explanation of the reasons for significant gains and losses related to changes in benefit obligation for the period. The amendments remove disclosure requirements for the amounts in accumulated other comprehensive income expected to be recognized as components of net periodic benefit cost over the next fiscal year, the amount and timing of plan assets expected to be returned to the employer, and the effects of a one-percentage-point change in assumed health care cost trend rates on the (a) aggregate of the service and interest cost components of net periodic benefit costs and (b) benefit obligation for post-retirement health care benefits. ASU 2018-14 is effective for fiscal years beginning after December 15, 2020, including interim reporting periods within that reporting period, with early adoption permitted. The update is to be applied on a retrospective basis. The Company will evaluate the effect of ASU 2018-14 on its disclosures in the Company's consolidated financial statements.

In March 2017, the FASB issued ASU No. 2017-08, Receivables - Nonrefundable Fees and Other Costs (Subtopic 310-20):Premium Amortization on Purchased Callable Debt Securities. This guidance shortens the amortization period for premiums on callable debt securities by requiring that premiums be amortized to the first (or earliest) call date instead of as an adjustment to the yield over the contractual life. This change more closely aligns the accounting with the economics of a callable debt security and the amortization period with expectations that already are included in market pricing on callable debt securities. This guidance does not change the accounting for discounts on callable debt securities, which will continue to be amortized to the maturity date. This guidance includes only instruments that are held at a premium and have explicit call features. It does not include instruments that contain prepayment features, such as mortgage backed securities; nor does it include call options that are contingent upon future events or in which the timing or amount to be paid is not fixed. The effective date for this ASU for the Company is fiscal years beginning after December 15, 2019, including interim periods within the reporting period, with early adoption permitted. Transition is on a modified retrospective basis with an adjustment to retained earnings as of the beginning of the period of adoption. If early adopted in an interim period, adjustments should be reflected as of the beginning of the fiscal year that includes that interim period. The Company does not expect the adoption of this ASU to have a significant impact on its consolidated financial statements.

In January 2017, the FASB issued ASU No. 2017-04, Intangibles-Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment. The main objective of this guidance is to simplify the accounting for goodwill impairment by requiring that impairment charges be based upon the first step in the current two-step impairment test under ASC 350. Currently, if the fair value of a reporting unit is lower than its carrying amount (Step 1), an entity calculates any impairment charge by comparing the implied fair value of goodwill with its carrying amount (Step 2). The implied fair value of goodwill is calculated by deducting the fair value of all assets and liabilities of the reporting unit from the reporting unit’s fair value as determined in Step 1. To determine the implied fair value of goodwill, entities estimate the fair value of any unrecognized intangible assets and any corporate-level assets or liabilities that were

4.    Summary of Significant Accounting Policies (continued)

Accounting Pronouncements Not Yet Adopted (continued)

included in the determination of the carrying amount and fair value of the reporting unit in Step 1. Under this guidance, if a reporting unit’s carrying amount exceeds its fair value, an entity will record an impairment charge based on that difference. The impairment charge will be limited to the amount of goodwill allocated to that reporting unit. This guidance eliminates the requirement to calculate a goodwill impairment charge using Step 2. This guidance does not change the guidance on completing Step 1 of the goodwill impairment test. Under this guidance, an entity will still be able to perform the current optional qualitative goodwill impairment assessment before determining whether to proceed to Step 1. The guidance in the ASU will be applied prospectively and is effective for the Company for annual and interim impairment tests performed in periods beginning after December 15, 2019. The Company does not expect the adoption of this ASU to have a significant impact on its consolidated financial statements.

In June 2016, the FASB issued ASU No. 2016-13, Financial Instruments-Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments. The main objective of this ASU is to provide financial statement users with more decision-useful information about expected credit losses on financial instruments by a reporting entity at each reporting date. The amendments of this guidance require financial assets measured at amortized cost to be presented at the net amount expected to be collected. The allowance for credit losses would represent a valuation account that would be deducted from the amortized cost basis of the financial asset(s) to present the net carrying value at the amount expected to be collected on the financial asset. The income statement would reflect the measurement of credit losses that have taken place during the period.

The measurement of expected credit losses would be based on relevant information about past events, including historical experience, current conditions, and reasonable and supportable forecasts that affect the collectability of the reported amount. An entity would be required to use judgment in determining the relevant information and estimation methods that are appropriate in its circumstances. The guidance in the ASU is effective for the Company for fiscal years beginning after December 15, 2019, including interim periods within that reporting period. Early adoption is permitted. The Company is currently evaluating its existing systems and data to support the new standard as well as assessing the impact that the guidance will have on the Company's consolidated financial statements. The Company has formed a working group under the direction of the Chief Financial Officer that is primarily comprised of individuals from various functional areas including finance, credit, risk management, and operations, among others. A detailed implementation plan was developed which includes an assessment of the processes, portfolio segmentation, model development and validation, and system requirements and resources needed. The Company has engaged a third-party vendor to assist with model development, data governance and operational controls to support the adoption of this ASU. Furthermore, this ASU will necessitate establishing an allowance for expected credit losses on debt securities. The Company is continuing its evaluation of the guidance including the potential impact on its consolidated financial statements. The extent of the change is indeterminable at this time as it will be dependent upon portfolio composition and credit quality at the adoption date, as well as economic conditions and forecasts at that time. Upon adoption, any impact to the allowance for credit losses- currently the allowance for loan losses- will have an offsetting impact on retained earnings.

In February 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842). This guidance requires all lessees to recognize a lease liability and a right-of-use asset, measured at the present value of the future minimum lease payments, at the lease commencement date for leases classified as operating leases as well as finance leases. The update also requires new quantitative disclosures related to leases in the Company's consolidated financial statements. There are also practical expedients in this update related to leases that commenced before the effective date, initial direct costs and the use of hindsight to extend or terminate a lease or purchase a leased asset. Lessor accounting remains largely unchanged under this new guidance. In January 2018, the FASB issued ASU 2018-01, Leases (Topic 842)-Land Easement Practical Expedient for Transition to Topic 842, which provides an optional practical expedient to not evaluate land easements which were existing or expired before the adoption of Topic 842 that were not accounted for as leases under Topic 840. In July 2018, the FASB issued ASU 2018-10, Codification Improvements to Topic 842, Leases and ASU 2018-11, Leases (Topic 842) -Targeted Improvements which provides entities with an optional transition method under which comparative periods presented in the financial statements will continue to be in accordance with current Topic 840, Leases, and a practical expedient to not separate non-lease components from the associated lease component. The guidance is effective for the Company for annual periods beginning after December 15, 2019, including interim periods within that reporting period. In the evaluation of this guidance, the Company identified the inventory of leases and actively accumulated the requisite lease data necessary to apply the guidance. The Company expects to record a right of use asset and lease liability as of January 1, 2020. The Company has selected a software platform which will support the recording, accounting and disclosure requirements of the new lease guidance. The Company is continuing its efforts to evaluate the impact of this guidance and, as such, no conclusions have yet been reached regarding the potential impact on adoption on the Company's consolidated financial statements; however, the Company does not expect the adoption to have a material impact on its results of operations.

XML

Debt Securities Available for Sale

6 Months Ended

Jun. 30, 2019

Investments, Debt and Equity Securities [Abstract]

Debt Securities Available for Sale

Debt Securities Available for Sale

Debt securities available for sale at June 30, 2019 and December 31, 2018 are summarized as follows:

	June 30, 2019
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Fair Value
			(In thousands)
U.S. government and agency obligations	$	49,623	$	684	$	(46	)	$	50,261
Mortgage-backed securities and collateralized mortgage obligations	965,224		14,808		(1,613		)	978,419
Municipal obligations	2,420		—		—			2,420
Corporate debt securities	64,494		486		(786		)	64,194
Trust preferred securities	5,000		—		(493		)	4,507
	$	1,086,761	$	15,978	$	(2,938	)	$	1,099,801

	December 31, 2018
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Fair Value
			(In thousands)
U.S. government and agency obligations	$	54,821	$	53	$	(717	)	$	54,157
Mortgage-backed securities and collateralized mortgage obligations	934,631		2,812		(17,436		)	920,007
Municipal obligations	987		—		—			987
Corporate debt securities	54,493		129		(1,155		)	53,467
Trust preferred securities	5,000		—		(750		)	4,250
	$	1,049,932	$	2,994	$	(20,058	)	$	1,032,868

The amortized cost and fair value of debt securities available for sale at June 30, 2019, by contractual final maturity, is shown below. Expected maturities may differ from contractual maturities due to prepayment or early call options exercised by the issuer.

	June 30, 2019
	Amortized Cost		Fair Value
	(In thousands)
One year or less	$	12,319	$	12,322
More than one year to five years	45,050		45,319
More than five years to ten years	59,168		59,261
More than ten years	5,000		4,480
	$	121,537	$	121,382
Mortgage-backed securities and collateralized mortgage obligations	965,224		978,419
	$	1,086,761	$	1,099,801

Mortgage-backed securities and collateralized mortgage obligations totaling $965.2 million at amortized cost, and $978.4 million at fair value, are not classified by maturity in the table above as their expected lives are likely to be shorter than the contractual maturity date due to principal prepayments.

5.     Debt Securities Available for Sale (continued)

During the three and six months ended June 30, 2019, proceeds from the sales of debt securities available for sale totaled $15.7 million, resulting in $339,000 of gross gains and no gross losses. During the three and six months ended June 30, 2019, there were no calls of debt securities available for sale. During the six months ended June 30, 2019 proceeds from one matured debt security available for sale totaled $797,000. During the three months ended June 30, 2019, there were no maturities of debt securities available for sale.

During the three and six months ended June 30, 2018, there were no sales of debt securities available for sale. During the six months ended June 30, 2018, proceeds from one called debt security available for sale totaled $10.0 million, resulting in a $116,000 gross gain and no gross loss. During the three months ended June 30, 2018, there were no calls of debt securities available for sale.

Debt securities available for sale having a carrying value of $210.5 million and $232.7 million, respectively, at June 30, 2019 and December 31, 2018, respectively, were pledged as security for public funds on deposit at the Bank as required and permitted by law.

The following tables summarize the fair value and gross unrealized losses of those securities that reported an unrealized loss at June 30, 2019 and December 31, 2018 and if the unrealized loss position was continuous for the twelve months prior to those respective dates:

	June 30, 2019
	Less Than 12 Months					12 Months or Longer					Total
	Fair Value		Gross Unrealized (Losses)			Fair Value		Gross Unrealized (Losses)			Fair Value		Gross Unrealized (Losses)
	(In thousands)
U.S. government and agency obligations	$	—	$	—		$	19,928	$	(46	)	$	19,928	$	(46	)
Mortgage-backed securities and collateralized mortgage obligations	29,160		(158		)	193,169		(1,455		)	222,329		(1,613		)
Corporate debt securities	9,794		(208		)	14,422		(578		)	24,216		(786		)
Trust preferred securities	—		—			4,507		(493		)	4,507		(493		)
	$	38,954	$	(366	)	$	232,026	$	(2,572	)	$	270,980	$	(2,938	)

	December 31, 2018
	Less Than 12 Months							12 Months or Longer							Total
	Fair Value		—	Gross Unrealized (Losses)			—	Fair Value		—	Gross Unrealized (Losses)			—	Fair Value		—	Gross Unrealized (Losses)
	(In thousands)
U.S. government and agency obligations	$	14,668		$	(202	)		$	29,437		$	(515	)		$	44,105		$	(717	)
Mortgage-backed securities and collateralized mortgage obligations	176,614			(1,034		)		509,397			(16,402		)		686,011			(17,436		)
Corporate debt securities	26,480			(512		)		9,358			(643		)		35,838			(1,155		)
Trust preferred securities	—			—				4,250			(750		)		4,250			(750		)
	$	217,762		$	(1,748	)		$	552,442		$	(18,310	)		$	770,204		$	(20,058	)

The Company evaluates securities for other-than-temporary impairment at each reporting period and more frequently when economic or market conditions warrant such evaluation. The temporary loss position associated with debt securities available for sale was the result of changes in market interest rates relative to the coupon of the individual security and changes in credit spreads. The Company does not have the intent to sell securities in a temporary loss position at June 30, 2019, nor is it more likely than not that the Company will be required to sell the securities before the anticipated recovery.

The number of securities in an unrealized loss position as of June 30, 2019 totaled 64, compared with 151 at December 31, 2018. All temporarily impaired securities were investment grade as of June 30, 2019 and December 31, 2018.

5.     Debt Securities Available for Sale (continued)

The Company did not record an other-than-temporary impairment charge on debt securities available for sale during the three and six months ended June 30, 2019 and 2018.

Debt Securities Held to Maturity

Debt securities held to maturity at June 30, 2019 and December 31, 2018 are summarized as follows:

	June 30, 2019
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Fair Value
	(In thousands)
U.S. government and agency obligations	$	38,406	$	115	$	—		$	38,521
Mortgage-backed securities and collateralized mortgage obligations	261,199		3,926		(467		)	264,658
	$	299,605	$	4,041	$	(467	)	$	303,179

	December 31, 2018
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Fair Value
	(In thousands)
U.S. government and agency obligations	$	23,404	$	45	$	(208	)	$	23,241
Mortgage-backed securities and collateralized mortgage obligations	238,739		28		(7,167		)	231,600
	$	262,143	$	73	$	(7,375	)	$	254,841

The amortized cost and fair value of debt securities held to maturity at June 30, 2019, by contractual final maturity, is shown below. Expected maturities may differ from contractual maturities due to prepayment or early call options exercised by the issuer.

	June 30, 2019
	Amortized Cost		Fair Value
	(In thousands)
More than five years to ten years	$	28,406	$	28,443
More than ten years	10,000		10,078
	38,406		38,521
Mortgage-backed securities and collateralized mortgage obligations	261,199		264,658
	$	299,605	$	303,179

Mortgage-backed securities and collateralized mortgage obligations totaling $261.2 million at amortized cost, and $264.7 million at fair value, are not classified by maturity in the table above as their expected lives are likely to be shorter than the contractual maturity date due to principal prepayments.

During the three and six months ended June 30, 2019, there were no sales or maturities of debt securities held to maturity. During the three and six months ended June 30, 2019, proceeds from one called debt security held to maturity totaled $5.0 million, resulting in no gross gain or loss.

During the three and six months ended June 30, 2018, there were no sales, calls or maturities of debt securities held for maturity.

6.    Debt Securities Held to Maturity (continued)

Debt securities held to maturity having a carrying value of $198.6 million and $187.0 million, at June 30, 2019 and December 31, 2018, respectively, were pledged as security for public funds on deposit at the Bank as required and permitted by law.

The following tables summarize the fair value and gross unrealized losses of those securities that reported an unrealized loss at June 30, 2019 and December 31, 2018 and if the unrealized loss position was continuous for the twelve months prior to June 30, 2019 and December 31, 2018:

	June 30, 2019
	Less Than 12 Months					12 Months or Longer					Total
	Fair Value		Gross Unrealized (Losses)			Fair Value		Gross Unrealized (Losses)			Fair Value		Gross Unrealized (Losses)
	(In thousands)
Mortgage-backed securities and collateralized mortgage obligations	$	7,711	$	(103	)	$	44,849	$	(364	)	$	52,560	$	(467	)
	$	7,711	$	(103	)	$	44,849	$	(364	)	$	52,560	$	(467	)

	December 31, 2018
	Less Than 12 Months					12 Months or Longer					Total
	Fair Value		Gross Unrealized (Losses)			Fair Value		Gross Unrealized (Losses)			Fair Value		Gross Unrealized (Losses)
	(In thousands)
U.S. government and agency obligations	$	—	$	—		$	8,197	$	(208	)	$	8,197	$	(208	)
Mortgage-backed securities and collateralized mortgage obligations	11,265		(69		)	213,246		(7,098		)	224,511		(7,167		)
	$	11,265	$	(69	)	$	221,443	$	(7,306	)	$	232,708	$	(7,375	)

The Company evaluates securities for other-than-temporary impairment at each reporting period and more frequently when economic or market conditions warrant such evaluation. The temporary loss position associated with debt securities held to maturity was the result of changes in market interest rates relative to the coupon of the individual security and changes in credit spreads. The Company does not have the intent to sell securities in a temporary loss position at June 30, 2019, nor is it more likely than not that the Company will be required to sell the securities before the anticipated recovery.

The number of securities in an unrealized loss position as of June 30, 2019 totaled 46, compared with 88 at December 31, 2018. All temporarily impaired securities were investment grade as of June 30, 2019 and December 31, 2018.

The Company did not record an other-than-temporary impairment charge on debt securities held to maturity during the three and six months ended June 30, 2019 and 2018.

Equity Securities at Fair Value

The Company has an equity securities portfolio which consists of investments in other financial institutions and a payment technology company, which is reported at fair value on the Company's consolidated statements of financial condition. The fair value of the equities portfolio at both June 30, 2019 and December 31, 2018 was $1.9 million.

The Company adopted ASU 2016-01 on January 1, 2019, resulting in a $548,000 after tax cumulative-effect adjustment from other comprehensive income (loss) to retained earnings, as reflected in the consolidated statements of changes in stockholders' equity. The Company recorded the net increase in the fair value of equity securities of $71,000 and $247,000, during the three and six months ended June 30, 2019, as a component of non-interest income.

7.    Equity Securities at Fair Value (continued)

During the three months ended June 30, 2019, there were no sales of equity securities. During the six months ended June 30, 2019, proceeds from sales of equity securities totaled $765,000, resulting in $126,000 of gross gains and no gross losses. There were no sales of equity securities during the three and six months ended June 30, 2018.

XML

Debt Securities Held to Maturity

6 Months Ended

Jun. 30, 2019

Investments, Debt and Equity Securities [Abstract]

Debt Securities Held to Maturity

Debt Securities Available for Sale

Debt securities available for sale at June 30, 2019 and December 31, 2018 are summarized as follows:

	June 30, 2019
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Fair Value
			(In thousands)
U.S. government and agency obligations	$	49,623	$	684	$	(46	)	$	50,261
Mortgage-backed securities and collateralized mortgage obligations	965,224		14,808		(1,613		)	978,419
Municipal obligations	2,420		—		—			2,420
Corporate debt securities	64,494		486		(786		)	64,194
Trust preferred securities	5,000		—		(493		)	4,507
	$	1,086,761	$	15,978	$	(2,938	)	$	1,099,801

	December 31, 2018
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Fair Value
			(In thousands)
U.S. government and agency obligations	$	54,821	$	53	$	(717	)	$	54,157
Mortgage-backed securities and collateralized mortgage obligations	934,631		2,812		(17,436		)	920,007
Municipal obligations	987		—		—			987
Corporate debt securities	54,493		129		(1,155		)	53,467
Trust preferred securities	5,000		—		(750		)	4,250
	$	1,049,932	$	2,994	$	(20,058	)	$	1,032,868

The amortized cost and fair value of debt securities available for sale at June 30, 2019, by contractual final maturity, is shown below. Expected maturities may differ from contractual maturities due to prepayment or early call options exercised by the issuer.

	June 30, 2019
	Amortized Cost		Fair Value
	(In thousands)
One year or less	$	12,319	$	12,322
More than one year to five years	45,050		45,319
More than five years to ten years	59,168		59,261
More than ten years	5,000		4,480
	$	121,537	$	121,382
Mortgage-backed securities and collateralized mortgage obligations	965,224		978,419
	$	1,086,761	$	1,099,801

Mortgage-backed securities and collateralized mortgage obligations totaling $965.2 million at amortized cost, and $978.4 million at fair value, are not classified by maturity in the table above as their expected lives are likely to be shorter than the contractual maturity date due to principal prepayments.

5.     Debt Securities Available for Sale (continued)

During the three and six months ended June 30, 2019, proceeds from the sales of debt securities available for sale totaled $15.7 million, resulting in $339,000 of gross gains and no gross losses. During the three and six months ended June 30, 2019, there were no calls of debt securities available for sale. During the six months ended June 30, 2019 proceeds from one matured debt security available for sale totaled $797,000. During the three months ended June 30, 2019, there were no maturities of debt securities available for sale.

During the three and six months ended June 30, 2018, there were no sales of debt securities available for sale. During the six months ended June 30, 2018, proceeds from one called debt security available for sale totaled $10.0 million, resulting in a $116,000 gross gain and no gross loss. During the three months ended June 30, 2018, there were no calls of debt securities available for sale.

Debt securities available for sale having a carrying value of $210.5 million and $232.7 million, respectively, at June 30, 2019 and December 31, 2018, respectively, were pledged as security for public funds on deposit at the Bank as required and permitted by law.

The following tables summarize the fair value and gross unrealized losses of those securities that reported an unrealized loss at June 30, 2019 and December 31, 2018 and if the unrealized loss position was continuous for the twelve months prior to those respective dates:

	June 30, 2019
	Less Than 12 Months					12 Months or Longer					Total
	Fair Value		Gross Unrealized (Losses)			Fair Value		Gross Unrealized (Losses)			Fair Value		Gross Unrealized (Losses)
	(In thousands)
U.S. government and agency obligations	$	—	$	—		$	19,928	$	(46	)	$	19,928	$	(46	)
Mortgage-backed securities and collateralized mortgage obligations	29,160		(158		)	193,169		(1,455		)	222,329		(1,613		)
Corporate debt securities	9,794		(208		)	14,422		(578		)	24,216		(786		)
Trust preferred securities	—		—			4,507		(493		)	4,507		(493		)
	$	38,954	$	(366	)	$	232,026	$	(2,572	)	$	270,980	$	(2,938	)

	December 31, 2018
	Less Than 12 Months							12 Months or Longer							Total
	Fair Value		—	Gross Unrealized (Losses)			—	Fair Value		—	Gross Unrealized (Losses)			—	Fair Value		—	Gross Unrealized (Losses)
	(In thousands)
U.S. government and agency obligations	$	14,668		$	(202	)		$	29,437		$	(515	)		$	44,105		$	(717	)
Mortgage-backed securities and collateralized mortgage obligations	176,614			(1,034		)		509,397			(16,402		)		686,011			(17,436		)
Corporate debt securities	26,480			(512		)		9,358			(643		)		35,838			(1,155		)
Trust preferred securities	—			—				4,250			(750		)		4,250			(750		)
	$	217,762		$	(1,748	)		$	552,442		$	(18,310	)		$	770,204		$	(20,058	)

The Company evaluates securities for other-than-temporary impairment at each reporting period and more frequently when economic or market conditions warrant such evaluation. The temporary loss position associated with debt securities available for sale was the result of changes in market interest rates relative to the coupon of the individual security and changes in credit spreads. The Company does not have the intent to sell securities in a temporary loss position at June 30, 2019, nor is it more likely than not that the Company will be required to sell the securities before the anticipated recovery.

The number of securities in an unrealized loss position as of June 30, 2019 totaled 64, compared with 151 at December 31, 2018. All temporarily impaired securities were investment grade as of June 30, 2019 and December 31, 2018.

5.     Debt Securities Available for Sale (continued)

The Company did not record an other-than-temporary impairment charge on debt securities available for sale during the three and six months ended June 30, 2019 and 2018.

Debt Securities Held to Maturity

Debt securities held to maturity at June 30, 2019 and December 31, 2018 are summarized as follows:

	June 30, 2019
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Fair Value
	(In thousands)
U.S. government and agency obligations	$	38,406	$	115	$	—		$	38,521
Mortgage-backed securities and collateralized mortgage obligations	261,199		3,926		(467		)	264,658
	$	299,605	$	4,041	$	(467	)	$	303,179

	December 31, 2018
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Fair Value
	(In thousands)
U.S. government and agency obligations	$	23,404	$	45	$	(208	)	$	23,241
Mortgage-backed securities and collateralized mortgage obligations	238,739		28		(7,167		)	231,600
	$	262,143	$	73	$	(7,375	)	$	254,841

The amortized cost and fair value of debt securities held to maturity at June 30, 2019, by contractual final maturity, is shown below. Expected maturities may differ from contractual maturities due to prepayment or early call options exercised by the issuer.

	June 30, 2019
	Amortized Cost		Fair Value
	(In thousands)
More than five years to ten years	$	28,406	$	28,443
More than ten years	10,000		10,078
	38,406		38,521
Mortgage-backed securities and collateralized mortgage obligations	261,199		264,658
	$	299,605	$	303,179

Mortgage-backed securities and collateralized mortgage obligations totaling $261.2 million at amortized cost, and $264.7 million at fair value, are not classified by maturity in the table above as their expected lives are likely to be shorter than the contractual maturity date due to principal prepayments.

During the three and six months ended June 30, 2019, there were no sales or maturities of debt securities held to maturity. During the three and six months ended June 30, 2019, proceeds from one called debt security held to maturity totaled $5.0 million, resulting in no gross gain or loss.

During the three and six months ended June 30, 2018, there were no sales, calls or maturities of debt securities held for maturity.

6.    Debt Securities Held to Maturity (continued)

Debt securities held to maturity having a carrying value of $198.6 million and $187.0 million, at June 30, 2019 and December 31, 2018, respectively, were pledged as security for public funds on deposit at the Bank as required and permitted by law.

The following tables summarize the fair value and gross unrealized losses of those securities that reported an unrealized loss at June 30, 2019 and December 31, 2018 and if the unrealized loss position was continuous for the twelve months prior to June 30, 2019 and December 31, 2018:

	June 30, 2019
	Less Than 12 Months					12 Months or Longer					Total
	Fair Value		Gross Unrealized (Losses)			Fair Value		Gross Unrealized (Losses)			Fair Value		Gross Unrealized (Losses)
	(In thousands)
Mortgage-backed securities and collateralized mortgage obligations	$	7,711	$	(103	)	$	44,849	$	(364	)	$	52,560	$	(467	)
	$	7,711	$	(103	)	$	44,849	$	(364	)	$	52,560	$	(467	)

	December 31, 2018
	Less Than 12 Months					12 Months or Longer					Total
	Fair Value		Gross Unrealized (Losses)			Fair Value		Gross Unrealized (Losses)			Fair Value		Gross Unrealized (Losses)
	(In thousands)
U.S. government and agency obligations	$	—	$	—		$	8,197	$	(208	)	$	8,197	$	(208	)
Mortgage-backed securities and collateralized mortgage obligations	11,265		(69		)	213,246		(7,098		)	224,511		(7,167		)
	$	11,265	$	(69	)	$	221,443	$	(7,306	)	$	232,708	$	(7,375	)

The Company evaluates securities for other-than-temporary impairment at each reporting period and more frequently when economic or market conditions warrant such evaluation. The temporary loss position associated with debt securities held to maturity was the result of changes in market interest rates relative to the coupon of the individual security and changes in credit spreads. The Company does not have the intent to sell securities in a temporary loss position at June 30, 2019, nor is it more likely than not that the Company will be required to sell the securities before the anticipated recovery.

The number of securities in an unrealized loss position as of June 30, 2019 totaled 46, compared with 88 at December 31, 2018. All temporarily impaired securities were investment grade as of June 30, 2019 and December 31, 2018.

The Company did not record an other-than-temporary impairment charge on debt securities held to maturity during the three and six months ended June 30, 2019 and 2018.

Equity Securities at Fair Value

The Company has an equity securities portfolio which consists of investments in other financial institutions and a payment technology company, which is reported at fair value on the Company's consolidated statements of financial condition. The fair value of the equities portfolio at both June 30, 2019 and December 31, 2018 was $1.9 million.

The Company adopted ASU 2016-01 on January 1, 2019, resulting in a $548,000 after tax cumulative-effect adjustment from other comprehensive income (loss) to retained earnings, as reflected in the consolidated statements of changes in stockholders' equity. The Company recorded the net increase in the fair value of equity securities of $71,000 and $247,000, during the three and six months ended June 30, 2019, as a component of non-interest income.

7.    Equity Securities at Fair Value (continued)

During the three months ended June 30, 2019, there were no sales of equity securities. During the six months ended June 30, 2019, proceeds from sales of equity securities totaled $765,000, resulting in $126,000 of gross gains and no gross losses. There were no sales of equity securities during the three and six months ended June 30, 2018.

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Equity Securities at Fair Value

6 Months Ended

Jun. 30, 2019

Investments, Debt and Equity Securities [Abstract]

Equity Securities at Fair Value

Debt Securities Available for Sale

Debt securities available for sale at June 30, 2019 and December 31, 2018 are summarized as follows:

	June 30, 2019
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Fair Value
			(In thousands)
U.S. government and agency obligations	$	49,623	$	684	$	(46	)	$	50,261
Mortgage-backed securities and collateralized mortgage obligations	965,224		14,808		(1,613		)	978,419
Municipal obligations	2,420		—		—			2,420
Corporate debt securities	64,494		486		(786		)	64,194
Trust preferred securities	5,000		—		(493		)	4,507
	$	1,086,761	$	15,978	$	(2,938	)	$	1,099,801

	December 31, 2018
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Fair Value
			(In thousands)
U.S. government and agency obligations	$	54,821	$	53	$	(717	)	$	54,157
Mortgage-backed securities and collateralized mortgage obligations	934,631		2,812		(17,436		)	920,007
Municipal obligations	987		—		—			987
Corporate debt securities	54,493		129		(1,155		)	53,467
Trust preferred securities	5,000		—		(750		)	4,250
	$	1,049,932	$	2,994	$	(20,058	)	$	1,032,868

The amortized cost and fair value of debt securities available for sale at June 30, 2019, by contractual final maturity, is shown below. Expected maturities may differ from contractual maturities due to prepayment or early call options exercised by the issuer.

	June 30, 2019
	Amortized Cost		Fair Value
	(In thousands)
One year or less	$	12,319	$	12,322
More than one year to five years	45,050		45,319
More than five years to ten years	59,168		59,261
More than ten years	5,000		4,480
	$	121,537	$	121,382
Mortgage-backed securities and collateralized mortgage obligations	965,224		978,419
	$	1,086,761	$	1,099,801

Mortgage-backed securities and collateralized mortgage obligations totaling $965.2 million at amortized cost, and $978.4 million at fair value, are not classified by maturity in the table above as their expected lives are likely to be shorter than the contractual maturity date due to principal prepayments.

5.     Debt Securities Available for Sale (continued)

During the three and six months ended June 30, 2019, proceeds from the sales of debt securities available for sale totaled $15.7 million, resulting in $339,000 of gross gains and no gross losses. During the three and six months ended June 30, 2019, there were no calls of debt securities available for sale. During the six months ended June 30, 2019 proceeds from one matured debt security available for sale totaled $797,000. During the three months ended June 30, 2019, there were no maturities of debt securities available for sale.

During the three and six months ended June 30, 2018, there were no sales of debt securities available for sale. During the six months ended June 30, 2018, proceeds from one called debt security available for sale totaled $10.0 million, resulting in a $116,000 gross gain and no gross loss. During the three months ended June 30, 2018, there were no calls of debt securities available for sale.

Debt securities available for sale having a carrying value of $210.5 million and $232.7 million, respectively, at June 30, 2019 and December 31, 2018, respectively, were pledged as security for public funds on deposit at the Bank as required and permitted by law.

The following tables summarize the fair value and gross unrealized losses of those securities that reported an unrealized loss at June 30, 2019 and December 31, 2018 and if the unrealized loss position was continuous for the twelve months prior to those respective dates:

	June 30, 2019
	Less Than 12 Months					12 Months or Longer					Total
	Fair Value		Gross Unrealized (Losses)			Fair Value		Gross Unrealized (Losses)			Fair Value		Gross Unrealized (Losses)
	(In thousands)
U.S. government and agency obligations	$	—	$	—		$	19,928	$	(46	)	$	19,928	$	(46	)
Mortgage-backed securities and collateralized mortgage obligations	29,160		(158		)	193,169		(1,455		)	222,329		(1,613		)
Corporate debt securities	9,794		(208		)	14,422		(578		)	24,216		(786		)
Trust preferred securities	—		—			4,507		(493		)	4,507		(493		)
	$	38,954	$	(366	)	$	232,026	$	(2,572	)	$	270,980	$	(2,938	)

	December 31, 2018
	Less Than 12 Months							12 Months or Longer							Total
	Fair Value		—	Gross Unrealized (Losses)			—	Fair Value		—	Gross Unrealized (Losses)			—	Fair Value		—	Gross Unrealized (Losses)
	(In thousands)
U.S. government and agency obligations	$	14,668		$	(202	)		$	29,437		$	(515	)		$	44,105		$	(717	)
Mortgage-backed securities and collateralized mortgage obligations	176,614			(1,034		)		509,397			(16,402		)		686,011			(17,436		)
Corporate debt securities	26,480			(512		)		9,358			(643		)		35,838			(1,155		)
Trust preferred securities	—			—				4,250			(750		)		4,250			(750		)
	$	217,762		$	(1,748	)		$	552,442		$	(18,310	)		$	770,204		$	(20,058	)

The Company evaluates securities for other-than-temporary impairment at each reporting period and more frequently when economic or market conditions warrant such evaluation. The temporary loss position associated with debt securities available for sale was the result of changes in market interest rates relative to the coupon of the individual security and changes in credit spreads. The Company does not have the intent to sell securities in a temporary loss position at June 30, 2019, nor is it more likely than not that the Company will be required to sell the securities before the anticipated recovery.

The number of securities in an unrealized loss position as of June 30, 2019 totaled 64, compared with 151 at December 31, 2018. All temporarily impaired securities were investment grade as of June 30, 2019 and December 31, 2018.

5.     Debt Securities Available for Sale (continued)

The Company did not record an other-than-temporary impairment charge on debt securities available for sale during the three and six months ended June 30, 2019 and 2018.

Debt Securities Held to Maturity

Debt securities held to maturity at June 30, 2019 and December 31, 2018 are summarized as follows:

	June 30, 2019
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Fair Value
	(In thousands)
U.S. government and agency obligations	$	38,406	$	115	$	—		$	38,521
Mortgage-backed securities and collateralized mortgage obligations	261,199		3,926		(467		)	264,658
	$	299,605	$	4,041	$	(467	)	$	303,179

	December 31, 2018
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Fair Value
	(In thousands)
U.S. government and agency obligations	$	23,404	$	45	$	(208	)	$	23,241
Mortgage-backed securities and collateralized mortgage obligations	238,739		28		(7,167		)	231,600
	$	262,143	$	73	$	(7,375	)	$	254,841

The amortized cost and fair value of debt securities held to maturity at June 30, 2019, by contractual final maturity, is shown below. Expected maturities may differ from contractual maturities due to prepayment or early call options exercised by the issuer.

	June 30, 2019
	Amortized Cost		Fair Value
	(In thousands)
More than five years to ten years	$	28,406	$	28,443
More than ten years	10,000		10,078
	38,406		38,521
Mortgage-backed securities and collateralized mortgage obligations	261,199		264,658
	$	299,605	$	303,179

Mortgage-backed securities and collateralized mortgage obligations totaling $261.2 million at amortized cost, and $264.7 million at fair value, are not classified by maturity in the table above as their expected lives are likely to be shorter than the contractual maturity date due to principal prepayments.

During the three and six months ended June 30, 2019, there were no sales or maturities of debt securities held to maturity. During the three and six months ended June 30, 2019, proceeds from one called debt security held to maturity totaled $5.0 million, resulting in no gross gain or loss.

During the three and six months ended June 30, 2018, there were no sales, calls or maturities of debt securities held for maturity.

6.    Debt Securities Held to Maturity (continued)

Debt securities held to maturity having a carrying value of $198.6 million and $187.0 million, at June 30, 2019 and December 31, 2018, respectively, were pledged as security for public funds on deposit at the Bank as required and permitted by law.

The following tables summarize the fair value and gross unrealized losses of those securities that reported an unrealized loss at June 30, 2019 and December 31, 2018 and if the unrealized loss position was continuous for the twelve months prior to June 30, 2019 and December 31, 2018:

	June 30, 2019
	Less Than 12 Months					12 Months or Longer					Total
	Fair Value		Gross Unrealized (Losses)			Fair Value		Gross Unrealized (Losses)			Fair Value		Gross Unrealized (Losses)
	(In thousands)
Mortgage-backed securities and collateralized mortgage obligations	$	7,711	$	(103	)	$	44,849	$	(364	)	$	52,560	$	(467	)
	$	7,711	$	(103	)	$	44,849	$	(364	)	$	52,560	$	(467	)

	December 31, 2018
	Less Than 12 Months					12 Months or Longer					Total
	Fair Value		Gross Unrealized (Losses)			Fair Value		Gross Unrealized (Losses)			Fair Value		Gross Unrealized (Losses)
	(In thousands)
U.S. government and agency obligations	$	—	$	—		$	8,197	$	(208	)	$	8,197	$	(208	)
Mortgage-backed securities and collateralized mortgage obligations	11,265		(69		)	213,246		(7,098		)	224,511		(7,167		)
	$	11,265	$	(69	)	$	221,443	$	(7,306	)	$	232,708	$	(7,375	)

The Company evaluates securities for other-than-temporary impairment at each reporting period and more frequently when economic or market conditions warrant such evaluation. The temporary loss position associated with debt securities held to maturity was the result of changes in market interest rates relative to the coupon of the individual security and changes in credit spreads. The Company does not have the intent to sell securities in a temporary loss position at June 30, 2019, nor is it more likely than not that the Company will be required to sell the securities before the anticipated recovery.

The number of securities in an unrealized loss position as of June 30, 2019 totaled 46, compared with 88 at December 31, 2018. All temporarily impaired securities were investment grade as of June 30, 2019 and December 31, 2018.

The Company did not record an other-than-temporary impairment charge on debt securities held to maturity during the three and six months ended June 30, 2019 and 2018.

Equity Securities at Fair Value

The Company has an equity securities portfolio which consists of investments in other financial institutions and a payment technology company, which is reported at fair value on the Company's consolidated statements of financial condition. The fair value of the equities portfolio at both June 30, 2019 and December 31, 2018 was $1.9 million.

The Company adopted ASU 2016-01 on January 1, 2019, resulting in a $548,000 after tax cumulative-effect adjustment from other comprehensive income (loss) to retained earnings, as reflected in the consolidated statements of changes in stockholders' equity. The Company recorded the net increase in the fair value of equity securities of $71,000 and $247,000, during the three and six months ended June 30, 2019, as a component of non-interest income.

7.    Equity Securities at Fair Value (continued)

During the three months ended June 30, 2019, there were no sales of equity securities. During the six months ended June 30, 2019, proceeds from sales of equity securities totaled $765,000, resulting in $126,000 of gross gains and no gross losses. There were no sales of equity securities during the three and six months ended June 30, 2018.

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Loans Receivable and Allowance for Loan Losses

6 Months Ended

Jun. 30, 2019

Receivables [Abstract]

Loans Receivable and Allowance for Loan Losses

Loans Receivable and Allowance for Loan Losses

Loans receivable at June 30, 2019 and December 31, 2018 are summarized as follows:

	June 30,		December 31,
	2019		2018
	(In thousands)
Real estate loans:
One-to-four family	$	1,819,539	$	1,830,186
Multifamily and commercial	2,248,300		2,142,154
Construction	293,550		261,473
Commercial business loans	358,620		333,876
Consumer loans:
Home equity loans and advances	375,124		393,492
Other consumer loans	1,124		1,108
Total gross loans	5,096,257		4,962,289
Net deferred loan costs, fees and purchased premiums and discounts	16,917		16,893
Loans receivable	$	5,113,174	$	4,979,182

The Company had $2.0 million and $8.1 million of one-to-four family real estate loans held-for-sale at June 30, 2019 and December 31, 2018, respectively. During the three and six months ended June 30, 2019, the Company sold one-to-four family real estate loans held-for-sale totaling $27.6 million and $45.0 million, respectively. These sales resulted in gross gains of $196,000 and $328,000, respectively, and no gross losses. No gross gains or losses were recognized on loans held-for-sale during the three and six months ended June 30, 2018.

During the three and six months ended June 30, 2019 the Company sold $2.5 million of one-to-four family and home equity loans included in loans receivable. No gross gains or losses were recognized on the sale of these loans. During both the three and six months ended June 30, 2018, the Company sold $3.7 million of loans receivable. These sales of one-to-four family real estate loans to a third party resulted in gross gains of $15,000 and no gross losses.

During the three and six months ended June 30, 2019, the Company purchased $2.6 million and $5.0 million, respectively, of one-to-four family real estate loans from third parties. During the three and six months ended June 30, 2019, the Company purchased $24.9 million of commercial real estate loans from third parties. The Company purchased $2.6 million of one-to-four family real estate loans and $2.1 million of commercial real estate loans from third parties during the three and six months ended June 30, 2018.

At June 30, 2019 and December 31, 2018, the carrying value of loans serviced by the Company for investors was $503.9 million and $462.7 million, respectively.

The Company periodically enters into Guarantor Swaps with Freddie Mac which results in improved liquidity. During the three and six months ended June 30, 2019, the Company securitized $15.6 million and $21.6 million, respectively of loans for a Freddie Mac Mortgage Participation Certificate. The Company retained the servicing of these loans. No loans were sold to Freddie Mac in exchange for Freddie Mac Mortgage Participation Certificates during the three and six months ended June 30, 2018.

8.     Loans Receivable and Allowance for Loan Losses (continued)

The following tables summarize the aging of loans receivable by portfolio segment at June 30, 2019 and December 31, 2018:

	June 30, 2019
	30-59 Days		60-89 Days		90 Days or More		Total Past Due		Current		Total
	(In thousands)
Real estate loans:
One-to-four family	$	8,246	$	799	$	2,420	$	11,465	$	1,808,074	$	1,819,539
Multifamily and commercial	—		1,396		451		1,847		2,246,453		2,248,300
Construction	—		1,700		—		1,700		291,850		293,550
Commercial business loans	126		534		689		1,349		357,271		358,620
Consumer loans:
Home equity loans and advances	898		1,097		389		2,384		372,740		375,124
Other consumer loans	—		—		—		—		1,124		1,124
Total loans	$	9,270	$	5,526	$	3,949	$	18,745	$	5,077,512	$	5,096,257

	December 31, 2018
	30-59 Days		60-89 Days		90 Days or More		Total Past Due		Current		Total
	(In thousands)
Real estate loans:
One-to-four family	$	8,384	$	1,518	$	819	$	10,721	$	1,819,465	$	1,830,186
Multifamily and commercial	1,870		1,425		154		3,449		2,138,705		2,142,154
Construction	—		—		—		—		261,473		261,473
Commercial business loans	208		279		911		1,398		332,478		333,876
Consumer loans:
Home equity loans and advances	1,550		173		905		2,628		390,864		393,492
Other consumer loans	—		—		—		—		1,108		1,108
Total loans	$	12,012	$	3,395	$	2,789	$	18,196	$	4,944,093	$	4,962,289

The Company considers a loan to be delinquent when we have not received a payment within 30 days of its contractual due date. Generally, a loan is designated as a non-accrual loan when the payment of interest is 90 days or more in arrears of its contractual due date. Non-accruing loans are returned to accrual status after there has been a sustained period of repayment performance (generally six consecutive months of payments) and both principal and interest are deemed collectible. The Company identifies loans that may need to be charged-off as a loss, by reviewing all delinquent loans, classified loans and other loans that management may have concerns about collectability. At June 30, 2019 and December 31, 2018, non-accrual loans totaled $6.7 million and $2.8 million, respectively. Included in non-accrual loans at June 30, 2019, are nine loans totaling $2.7 million which are less than 90 days in arrears. This includes three loans to one borrower totaling $2.4 million that were identified as having circumstances that indicate a concern regarding continued collectability. At December 31, 2018, no loans less than 90 days in arrears were included in non-accrual loans.

At June 30, 2019 and December 31, 2018, there were no loans past due 90 days or more and still accruing interest.

8.     Loans Receivable and Allowance for Loan Losses (continued)

The following table provides information with respect to our non-accrual loans at June 30, 2019 and December 31, 2018:

	June 30,		December 31,
	2019		2018
	(In thousands)
Non-accrual loans:
Real estate loans:
One-to-four family	$	2,567	$	819
Multifamily and commercial	451		154
Construction	1,700		—
Commercial business loans	1,384		911
Consumer loans:
Home equity loans and advances	592		905
Total non-accrual loans	$	6,694	$	2,789

We may obtain physical possession of real estate collateralizing a residential mortgage loan via foreclosure or through an in-substance repossession. At June 30, 2019, the Company had no real estate owned. At December 31, 2018, we held one single-family property in real estate owned with a carrying value of $92,000 that was acquired through foreclosure on a residential mortgage loan. At June 30, 2019 and December 31, 2018, we had 5 and 14 residential mortgage loans with carrying values of $1.0 million and $1.6 million, respectively, collateralized by residential real estate which are in the process of foreclosure.

The following tables summarize loans receivable and allowance for loan losses by portfolio segment and impairment method at June 30, 2019 and December 31, 2018:

	June 30, 2019
	One-to-Four Family		Multifamily and Commercial		Construction		Commercial Business		Home Equity Loans and Advances		Other Consumer Loans		Unallocated		Total
	(In thousands)
Allowance for loan losses:
Individually evaluated for impairment	$	520	$	2	$	372	$	404	$	11	$	—	$	—	$	1,309
Collectively evaluated for impairment	15,090		22,677		8,434		12,314		2,572		7		—		61,094
Total	$	15,610	$	22,679	$	8,806	$	12,718	$	2,583	$	7	$	—	$	62,403
Total loans:
Individually evaluated for impairment	$	8,414	$	2,648	$	1,700	$	7,822	$	2,550	$	—	$	—	$	23,134
Collectively evaluated for impairment	1,811,125		2,245,652		291,850		350,798		372,574		1,124		—		5,073,123
Total loans	$	1,819,539	$	2,248,300	$	293,550	$	358,620	$	375,124	$	1,124	$	—	$	5,096,257

8.     Loans Receivable and Allowance for Loan Losses (continued)

	December 31, 2018
	One-to-Four Family		Multifamily and Commercial		Construction		Commercial Business		Home Equity Loans and Advances		Other Consumer Loans		Unallocated		Total
	(In thousands)
Allowance for loan losses:
Individually evaluated for impairment	$	537	$	—	$	—	$	366	$	12	$	—	$	—	$	915
Collectively evaluated for impairment	14,695		23,251		7,217		13,810		2,446		8		—		61,427
Total	$	15,232	$	23,251	$	7,217	$	14,176	$	2,458	$	8	$	—	$	62,342
Total loans:
Individually evaluated for impairment	$	9,048	$	2,695	$	—	$	2,944	$	3,100	$	—	$	—	$	17,787
Collectively evaluated for impairment	1,821,138		2,139,459		261,473		330,932		390,392		1,108		—		4,944,502
Total loans	$	1,830,186	$	2,142,154	$	261,473	$	333,876	$	393,492	$	1,108	$	—	$	4,962,289

Loan modifications to borrowers experiencing financial difficulties that are considered troubled debt restructurings ("TDRs") primarily involve the lowering of the monthly payments on such loans through either a reduction in interest rate below a market rate, an extension of the term of the loan without a corresponding adjustment to the risk premium reflected in the interest rate, or a combination of these two methods. These modifications generally do not result in the forgiveness of principal or accrued interest. In addition, the Company attempts to obtain additional collateral or guarantor support when modifying such loans. Non-accruing restructured loans may be returned to accrual status when there has been a sustained period of repayment performance (generally six consecutive months of payments) and both principal and interest are deemed collectible.

8.     Loans Receivable and Allowance for Loan Losses (continued)

The following tables present the number of loans modified as TDRs during the three and six months ended June 30, 2019 and 2018, along with their balances immediately prior to the modification date and post-modification. Post-modification recorded investment represents the net book balance immediately following modification.

	For the Three Months Ended June 30,
	2019					2018
	No. of Loans	Pre-modification Recorded Investment		Post-modification Recorded Investment		No. of Loans	Pre-modification Recorded Investment		Pre-modification Recorded Investment
	(Dollars in thousands)
Troubled Debt Restructurings
Real estate loans:
One-to-four family	—	$	—	$	—	3	$	378	$	378
Total restructured loans	—	$	—	$	—	3	$	378	$	378

	For the Six Months Ended June 30,
	2019					2018
	No. of Loans	Pre-modification Recorded Investment		Post-modification Recorded Investment		No. of Loans	Pre-modification Recorded Investment		Pre-modification Recorded Investment
	(Dollars in thousands)
Troubled Debt Restructurings
Real estate loans:
One-to-four family	—	$	—	$	—	4	$	462	$	462
Commercial business loans	1	4,095		4,095		—	—		—
Consumer loans:
Home equity loans and advances	—	—		—		1	588		588
Total restructured loans	1	$	4,095	$	4,095	5	$	1,050	$	1,050

8.     Loans Receivable and Allowance for Loan Losses (continued)

The activity in the allowance for loan losses by portfolio segment for the three and six months ended June 30, 2019 and 2018 are as follows:

	For the Three Months Ended June 30,
	One-to-Four Family			Multifamily and Commercial		Construction			Commercial Business			Home Equity Loans and Advances			Other Consumer Loans			Unallocated			Total
	(In thousands)
2019
Balance at beginning of period	$	17,375		$	20,986	$	9,033		$	12,225		$	3,146		$	6		$	—		$	62,771
Provision charged (credited)	(1,254		)	1,693		(228		)	441			(542		)	2			—			112
Recoveries	4			—		1			53			—			—			—			58
Charge-offs	(515		)	—		—			(1		)	(21		)	(1		)	—			(538		)
Balance at end of period	$	15,610		$	22,679	$	8,806		$	12,718		$	2,583		$	7		$	—		$	62,403
2018
Balance at beginning of period	$	18,828		$	19,097	$	6,574		$	10,800		$	3,924		$	7		$	722		$	59,952
Provision charged (credited)	(324		)	3,705		154			87			(1,153		)	5			(74		)	2,400
Recoveries	51			—		—			36			99			3			—			189
Charge-offs	(6		)	—		—			(3		)	—			(8		)	—			(17		)
Balance at end of period	$	18,549		$	22,802	$	6,728		$	10,920		$	2,870		$	7		$	648		$	62,524

8.     Loans Receivable and Allowance for Loan Losses (continued)

	For the Six Months Ended June 30,
	One-to-Four Family			Multifamily and Commercial			Construction		Commercial Business			Home Equity Loans and Advances			Other Consumer Loans			Unallocated		Total
	(In thousands)
2019
Balance at beginning of period	$	15,232		$	23,251		$	7,217	$	14,176		$	2,458		$	8		$	—	$	62,342
Provision charged (credited)	868			(572		)	1,588		(1,555		)	219			—			—		548
Recoveries	25			—			1		366			7			—			—		399
Charge-offs	(515		)	—			—		(269		)	(101		)	(1		)	—		(886		)
Balance at end of period	$	15,610		$	22,679		$	8,806	$	12,718		$	2,583		$	7		$	—	$	62,403
2018
Balance at beginning of period	$	19,991		$	19,933		$	5,217	$	8,275		$	4,577		$	8		$	177	$	58,178
Provision charged (credited)	(1,552		)	2,998			1,508		2,783			(1,810		)	2			471		4,400
Recoveries	171			—			3		87			103			5			—		369
Charge-offs	(61		)	(129		)	—		(225		)	—			(8		)	—		(423		)
Balance at end of period	$	18,549		$	22,802		$	6,728	$	10,920		$	2,870		$	7		$	648	$	62,524

8.     Loans Receivable and Allowance for Loan Losses (continued)

The following tables present loans individually evaluated for impairment by loan segment at June 30, 2019 and December 31, 2018:

	At June 30, 2019
	Recorded Investment		Unpaid Principal Balance		Specific Allowance
	(In thousands)
With no allowance recorded:
Real estate loans:
One-to-four family	$	3,657	$	4,802	$	—
Multifamily and commercial	1,528		2,315		—
Commercial business loans	2,616		2,803		—
Consumer loans:
Home equity loans and advances	1,427		1,781		—
	9,228		11,701		—
With a specific allowance recorded:
Real estate loans:
One-to-four family	4,757		4,807		520
Multifamily and commercial	1,120		1,120		2
Construction	1,700		1,700		372
Commercial business loans	5,206		5,206		404
Consumer loans:
Home equity loans and advances	1,123		1,124		11
	13,906		13,957		1,309
Total:
Real estate loans:
One-to-four family	8,414		9,609		520
Multifamily and commercial	2,648		3,435		2
Construction	1,700		1,700		372
Commercial business loans	7,822		8,009		404
Consumer loans:
Home equity loans and advances	2,550		2,905		11
Total loans	$	23,134	$	25,658	$	1,309

8.     Loans Receivable and Allowance for Loan Losses (continued)

	At December 31, 2018
	Recorded Investment		Unpaid Principal Balance		Specific Allowance
	(In thousands)
With no allowance recorded:
Real estate loans:
One-to-four family	$	4,156	$	5,307	$	—
Multifamily and commercial	2,695		3,482		—
Commercial business loans	2,285		2,374		—
Consumer loans:
Home equity loans and advances	2,511		2,866		—
	11,647		14,029		—
With a specific allowance recorded:
Real estate loans:
One-to-four family	4,892		4,939		537
Commercial business loans	659		768		366
Consumer loans:
Home equity loans and advances	589		589		12
	6,140		6,296		915
Total:
Real estate loans:
One-to-four family	9,048		10,246		537
Multifamily and commercial	2,695		3,482		—
Commercial business loans	2,944		3,142		366
Consumer loans:
Home equity loans and advances	3,100		3,455		12
	$	17,787	$	20,325	$	915

Specific allocations of the allowance for loan losses attributable to impaired loans totaled $1.3 million and $915,000 at June 30, 2019 and December 31, 2018, respectively. At June 30, 2019 and December 31, 2018, impaired loans for which there was no related allowance for loan losses totaled $9.2 million and $11.6 million, respectively.

The recorded investment in TDRs totaled $19.5 million at June 30, 2019, of which one loan totaling $436,000 was 30-59 days past due. The remaining loans modified were current at the time of restructuring and have complied with the terms of their restructure agreement at June 30, 2019. The recorded investment in TDRs totaled $16.0 million at December 31, 2018, of which one loan totaling $101,000 was over 90 days past due, and seven loans totaling $1.0 million were 30-59 days past due. The remaining loans modified were current at the time of restructuring and have complied with the terms of their restructure agreement at December 31, 2018.

8.     Loans Receivable and Allowance for Loan Losses (continued)

The following tables present interest income recognized for loans individually evaluated for impairment, by loan segment, for the three and six months ended June 30, 2019 and 2018:

	For the Three Months Ended June 30,
	2019				2018
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
	(In thousands)
Real estate loans:
One-to-four family	$	8,611	$	108	$	10,715	$	103
Multifamily and commercial	2,666		37		2,718		30
Construction	1,700		—		—		—
Commercial business loans	6,616		98		3,180		25
Consumer loans:
Home equity loans and advances	2,699		47		3,260		39
Total loans	$	22,292	$	290	$	19,873	$	197

	For the Six Months Ended June 30,
	2019				2018
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
	(In thousands)
Real estate loans:
One-to-four family	$	9,149	$	214	$	11,025	$	103
Multifamily and commercial	2,681		74		3,043		28
Construction	1,133		25		—		—
Commercial business loans	5,430		178		3,541		25
Consumer loans:
Home equity loans and advances	2,920		99		3,037		38
Total loans	$	21,313	$	590	$	20,646	$	194

The Company utilizes an eight-point risk rating system to summarize its loan portfolio into categories with similar risk characteristics. Loans deemed to be “acceptable quality” are rated 1 through 4 (Pass), with a rating of 1 established for loans with minimal risk. Loans that are deemed to be of “questionable quality” are rated 5 (Special Mention) or 6 (Substandard). Loans with adverse classifications are rated 7 (Doubtful) or 8 (Loss). The risk ratings are also confirmed through periodic loan review examinations which are currently performed by both an independent third-party and the Company's credit risk review department. The Company requires an annual review be performed above certain dollar thresholds, depending on loan type, to help determine the appropriate risk ratings. Results from examinations are presented to the Audit Committee of the Board of Directors.

8.     Loans Receivable and Allowance for Loan Losses (continued)

The following tables present loans receivable by credit risk indicator and by loan segment:

	At June 30, 2019
	One-to-Four Family		Multifamily and Commercial		Construction		Commercial Business		Home Equity Loans and Advances		Other Consumer Loans		Total
	(In thousands)
Pass	$	1,815,526	$	2,234,349	$	291,850	$	342,966	$	374,025	$	1,124	$	5,059,840
Special mention	—		89		—		11,109		—		—		11,198
Substandard	4,013		13,862		1,700		4,545		1,099		—		25,219
Doubtful	—		—		—		—		—		—		—
Total	$	1,819,539	$	2,248,300	$	293,550	$	358,620	$	375,124	$	1,124	$	5,096,257

	December 31, 2018
	One-to-Four Family		Multifamily and Commercial		Construction		Commercial Business		Home Equity Loans and Advances		Other Consumer Loans		Total
	(In thousands)
Pass	$	1,826,066	$	2,128,680	$	261,473	$	320,451	$	392,092	$	1,108	$	4,929,870
Special mention	—		—		—		9,074		—		—		9,074
Substandard	4,120		13,474		—		4,351		1,400		—		23,345
Doubtful	—		—		—		—		—		—		—
Total	$	1,830,186	$	2,142,154	$	261,473	$	333,876	$	393,492	$	1,108	$	4,962,289

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Deposits

6 Months Ended

Jun. 30, 2019

Banking and Thrift [Abstract]

Deposits

Deposits

Deposits at June 30, 2019 and December 31, 2018 are summarized as follows:

	June 30,		December 31,
	2019		2018
	(In thousands)
Non-interest-bearing demand	$	754,101	$	723,794
Interest-bearing demand	1,313,914		1,219,381
Money market accounts	261,369		259,694
Savings and club deposits	486,214		510,688
Certificates of deposit	1,853,047		1,700,316
Total deposits	$	4,668,645	$	4,413,873

The aggregate amount of certificates of deposit that meet or exceed $100,000 totaled approximately $1.0 billion and $885.3 million as of June 30, 2019 and December 31, 2018, respectively.

Interest expense on deposits for the three and six months ended June 30, 2019 and June 30, 2018 totaled $15.3 million and $9.2 million, and $28.9 million and $17.3 million, respectively.

9.     Deposits (continued)

Scheduled maturities of certificates of deposit accounts at June 30, 2019 and December 31, 2018 are summarized as follows:

	June 30,		December 31,
	2019		2018
	(In thousands)
One year or less	$	1,126,921	$	1,107,667
After one year to two years	479,796		326,800
After two years to three years	223,123		230,468
After three years to four years	12,051		24,939
After four years	11,156		10,442
	$	1,853,047	$	1,700,316

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Components of Net Periodic Benefit Costs

6 Months Ended

Jun. 30, 2019

Retirement Benefits [Abstract]

Components of Periodic Benefit Costs

Components of Net Periodic Benefit Cost

Pension Plan, Retirement Income Maintenance Plan (the "RIM Plan") and Post-retirement Plan

The Company maintains a single employer, tax-qualified defined benefit pension plan (the "Pension Plan") which covers full-time employees that satisfy the Pension Plan's eligibility requirements. The benefits are based on years of service and the employee's compensation during the last five years of employment. Effective October 1, 2018, employees hired by the Bank are not eligible to participate in the Pension Plan as the Pension Plan has been closed to new employees as of that date.

The Company also has a Retirement Income Maintenance Plan (the "RIM "Plan) which is a non-qualified defined benefit plan which provides benefits to all employees of the Company if their benefits under the Pension Plan are limited by Internal Revenue Code 415 and 401(a)(17).    

In addition, the Company provides certain health care and life insurance benefits to eligible retired employees under a Post-retirement Plan. The Company accrues the cost of retiree health care and other benefits during the employees’ period of active service. Effective January 1, 2019, the Post-retirement Plan has been closed to new hires. The Company also provides life insurance benefits to eligible employees under an endorsement split-dollar life insurance program.

10.    Components of Net Periodic Benefit Cost (continued)

Net periodic benefit (income) cost for Pension Plan, RIM Plan, Post-retirement Plan and split-dollar life insurance arrangement plan benefits for the three and six months ended June 30, 2019 and 2018, includes the following components:

	For the Three Months Ended June 30,
	Pension Plan						RIM Plan				Post-retirement Plans
	2019			2018			2019		2018		2019		2018			Affected Line Item in the Consolidated Statements of Income
	(In thousands)
Service cost	$	1,501		$	1,780		$	53	$	61	$	172	$	93		Compensation and employee benefits
Interest cost	2,194			2,129			116		111		321		205			Other non-interest expense
Expected return on plan assets	(4,727		)	(4,815		)	—		—		—		—			Other non-interest expense
Amortization:
Prior service cost	—			—			—		—		14		(34		)	Other non-interest expense
Net loss	765			707			61		103		99		69			Other non-interest expense
Net periodic (income) benefit cost	$	(267	)	$	(199	)	$	230	$	275	$	606	$	333

	For the Six Months Ended June 30,
	Pension Plan						RIM Plan				Post-retirement Plans
	2019			2018			2019		2018		2019		2018
	(In thousands)
Service cost	$	3,002		$	3,560		$	106	$	122	$	344	$	186		Compensation and employee benefits
Interest cost	4,388			4,258			232		222		642		410			Other non-interest expense
Expected return on plan assets	(9,454		)	(9,630		)	—		—		—		—			Other non-interest expense
Amortization:
Prior service cost	—			—			—		—		28		(68		)	Other non-interest expense
Net loss	1,530			1,414			122		206		198		138			Other non-interest expense
Net periodic (income) benefit cost	$	(534	)	$	(398	)	$	460	$	550	$	1,212	$	666

Effective January 1, 2019, the Company implemented ASU 2017-07, Compensation - Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Post-retirement Benefit Cost. Under this ASU, the FASB requires employers to report the service cost component in the same line item as other compensation costs arising from services rendered by the pertinent employees during the period. The other components of net periodic benefit cost are required to be presented in the consolidated statements of income separately from the service cost component. The table above details the affected line items within the consolidated statements of income related to the net periodic benefits costs for the periods noted. This ASU is also required to be applied retrospectively to all periods presented.

10.    Components of Net Periodic Benefit Cost (continued)

The following table summarizes the impact of retrospective application to the consolidated statements of income for the three and six months ended June 30, 2018:

	For the Three Months Ended		For the Six Months Ended
	June 30, 2018		June 30, 2018
	(In thousands)
Compensation and employee benefits:
As previously reported	$	16,750	$	33,275
As reported under new guidance	18,275		36,325
Other non-interest expense:
As previously reported	$	3,220	$	6,296
As reported under new guidance	1,695		3,246

During the three months ended June 30, 2019, the Bank contributed $35.0 million which increased the funded status of the Plan to meet the approximate maximum tax deductible contribution limit. The net periodic cost (income) for pension benefits and other post-retirement benefits for the three and six months ended June 30, 2019 were calculated using the actual December 31, 2018 benefit valuations.

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Fair Value Measurements

6 Months Ended

Jun. 30, 2019

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

The Company utilizes fair value measurements to record fair value adjustments to certain assets and liabilities and to determine fair value disclosures. The determination of fair values of financial instruments often requires the use of estimates. Where quoted market values in an active market are not readily available, the Company utilizes various valuation techniques to estimate fair value.

In January 2016, the FASB issued ASU 2016-01- "Financial Instruments". This guidance amended existing guidance to improve accounting standards for financial instruments including clarification and simplification of the accounting and disclosure requirements and the requirement to use the exit price notion when measuring the fair value of financial instruments for disclosure purposes. The Company adopted the guidance effective January 1, 2019, and the fair value of the Company's loan portfolio is now presented using an exit price method.

Fair value is the exchange price that would be received for an asset or paid to transfer a liability (exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. There are three levels of inputs that may be used to measure fair values:

Level 1:     Unadjusted quoted prices for identical assets or liabilities in active markets that the Company has the ability to

access on the measurement date.

Level 2: Inputs other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly. These might include quoted prices for similar instruments in markets that are active or not active, or inputs that are observable or can be corroborated by observable market data for substantially the full term of the asset or liability.

Level 3: Prices or valuation techniques that require unobservable inputs that are both significant to the fair value measurement and unobservable (i.e., supported by minimal or no market activity). Valuation techniques include the use of option pricing models, discounted cash flow models and similar techniques.

A financial instrument’s level within the fair value hierarchy is based on the lowest level of input that is significant to the fair value measurement.

The valuation techniques are based upon the unpaid principal balance only and exclude any accrued interest or dividends at the measurement date. Interest income and expense and dividend income are recorded within the consolidated statements of income depending on the nature of the instrument using the effective interest method based on the discount or premium.

11.    Fair Value Measurements (continued)

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The methods described below were used to measure fair value of financial instruments as reflected in the tables below on a recurring basis as of June 30, 2019 and December 31, 2018.

Debt Securities Available for Sale, at Fair Value

For debt securities available for sale, fair value was estimated using a market approach. The majority of these securities are fixed income instruments that are not quoted on an exchange, but are traded in active markets. Prices for these instruments are obtained through third-party data service providers or dealer market participants with which the Company has historically transacted both purchases and sales of securities. Prices obtained from these sources include market quotations and matrix pricing. Matrix pricing, a Level 2 input, is a mathematical technique used principally to value certain securities to a benchmark or to comparable securities. The Company evaluates the quality of Level 2 matrix pricing through comparison to similar assets with greater liquidity and evaluation of projected cash flows. As the Company is responsible for the determination of fair value, it performs quarterly analysis on the prices received from the pricing service to determine whether the prices are reasonable estimates of fair value. Specifically, the Company compares the prices received from the pricing service to a secondary pricing source. Additionally, the Company compares changes in the reported market values and returns to relevant market indices to assess the reasonableness of the reported prices. The Company’s internal price verification procedures and review of fair value methodology documentation provided by independent pricing services has not historically resulted in an adjustment in the prices obtained from the pricing service. The Company may hold debt instruments issued by the U.S. government and U.S. government-sponsored agencies that are traded in active markets with readily accessible quoted market prices that are considered Level 1 inputs.

Equity Securities, at Fair Value

The Company holds equity securities that are traded in active markets with readily accessible quoted market prices that are considered Level 1 inputs.

Derivatives

The Company records all derivatives included in other assets and liabilities on the consolidated statements of financial condition at fair value. The accounting for changes in the fair value of derivatives depends on the intended use of the derivative, whether the Company has elected to designate a derivative in a hedging relationship and apply hedge accounting, and whether the hedging relationship has satisfied the criteria necessary to apply hedge accounting. See note 13 for disclosures related to the accounting treatment for derivatives.

The fair value of the Company's derivatives is determined using discounted cash flow analysis using observable market-based inputs, which are considered Level 2 inputs.

The following tables present the assets and liabilities reported on the consolidated statements of financial condition at their fair values as of June 30, 2019 and December 31, 2018, by level within the fair value hierarchy:

11.    Fair Value Measurements (continued)

	June 30, 2019
			Fair Value Measurements
	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(In thousands)
Debt securities available for sale:
U.S. government and agency obligations	$	50,261	$	50,261	$	—	$	—
Mortgage-backed securities and collateralized mortgage obligations	978,419		—		978,419		—
Municipal obligations	2,420		—		2,420		—
Corporate debt securities	64,194		—		64,194		—
Trust preferred securities	4,507		—		4,507		—
Total debt securities available for sale	1,099,801		50,261		1,049,540		—
Equity securities	1,915		1,915		—		—
Derivative assets	4,227		—		4,227		—
	$	1,105,943	$	52,176	$	1,053,767	$	—
Derivative liabilities	$	16,532	$	—	$	16,532	$	—

	December 31, 2018
			Fair Value Measurements
	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(In thousands)
Debt securities available for sale:
U.S. government and agency obligations	$	54,157	$	54,157	$	—	$	—
Mortgage-backed securities and collateralized mortgage obligations	920,007		—		920,007		—
Municipal obligations	987		—		987		—
Corporate debt securities	53,467		—		53,467		—
Trust preferred securities	4,250		—		4,250		—
Total debt securities available for sale	1,032,868		54,157		978,711		—
Equity securities	1,890		1,890		—
Derivative assets	1,342		—		1,342		—
	$	1,036,100	$	56,047	$	980,053	$	—
Derivative liabilities	$	3,944	$	—	$	3,944	$	—

There were no transfers between Level 1, Level 2 and Level 3 during the three and six months ended June 30, 2019 and June 30, 2018.

There were no Level 3 assets measured at fair value on a recurring basis at June 30, 2019 and December 31, 2018.

11.    Fair Value Measurements (continued)

Assets Measured at Fair Value on a Non-Recurring Basis

The valuation techniques described below were used to estimate fair value of financial instruments measured on a non-recurring basis as of June 30, 2019 and December 31, 2018.

Collateral Dependent Impaired Loans

Loans which meet certain criteria are evaluated individually for impairment. For loans measured for impairment based on the fair value of the underlying collateral, fair value was estimated using a market approach. The Company measures the fair value of collateral underlying impaired loans primarily through obtaining independent appraisals that rely upon quoted market prices for similar assets in active markets. These appraisals include adjustments, on an individual case-by-case basis, to comparable assets based on the appraisers’ market knowledge and experience, as well as adjustments for estimated costs to sell between 6.0% and 8.0%. The Company classifies these loans as Level 3 within the fair value hierarchy.

Real Estate Owned

Assets acquired through foreclosure or deed in lieu of foreclosure are carried at fair value, less estimated costs to sell between 6.0% and 8.0%. Fair value is generally based on independent appraisals that rely upon quoted market prices for similar assets in active markets. These appraisals include adjustments, on an individual case-by-case basis, to comparable assets based on the appraiser's market knowledge and experience, and are classified as Level 3. When an asset is acquired, the excess of the loan balance over fair value less estimated selling costs is charged to the allowance for loan losses. Operating results from real estate owned, including rental income, operating expenses, and gains and losses realized from the sales of real estate owned are recorded as incurred.

Mortgage Servicing Rights, Net ("MSR's")

Mortgage servicing rights are carried at the lower of cost or estimated fair value. The estimated fair value of MSRs is obtained through an analysis of future cash flows, incorporating assumptions that market participants would use in determining fair value including market discount rates, prepayments speeds, servicing income, servicing costs, default rates and other market driven data, including the market's perception of future interest rate movements. The prepayment speed and the discount rate are considered two of the most significant inputs in the model. A significant degree of judgment is involved in valuing the mortgage servicing rights using Level 3 inputs. The use of different assumptions could have a significant effect on this fair value estimate.

The following tables present the asset and liabilities reported on the consolidated statements of financial condition at their fair values as of June 30, 2019 and December 31, 2018, by level within the fair value hierarchy:

	June 30, 2019
			Fair Value Measurements
	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(In thousands)
Mortgage servicing rights	$	664	$	—	$	—	$	664
	$	664	$	—	$	—	$	664

11.    Fair Value Measurements (continued)

	December 31, 2018
			Fair Value Measurements
	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(In thousands)
Impaired loans	$	125	$	—	$	—	$	125
Real estate owned	92		—		—		92
Mortgage servicing rights	442		—		—		442
	$	659	$	—	$	—	$	659

At June 30, 2019, there were no impaired loans or real estate owned assets measured at fair value on a non-recurring basis.

The following table presents qualitative information for Level 3 assets measured at fair value on a non-recurring basis as of June 30, 2019 and December 31, 2018:

	June 30, 2019
	Fair Value		Valuation Methodology	Unobservable Inputs	Range of Inputs	Weighted Average
	(In thousands)
Mortgage servicing rights	$	664	Estimated cash flow	Prepayment speeds	5.0% - 24.4%	12.1%

	December 31, 2018
	Fair Value		Valuation Methodology	Unobservable Inputs	Range of Inputs	Weighted Average
	(In thousands)
Impaired loans	$	125	Appraised value(2)	Discount for cost to sell(3)	6.0%	6.0%
Real estate owned	92		Contract sales price(1)	Discount for cost to sell(3)	6.0%	6.0%
Mortgage servicing rights	442		Estimated cash flow	Prepayment speeds	3.3% - 26.8%	12.0%
(1) Value is based on signed contract for sale.
(2) Value is based on independent appraisal of the fair value of the loan's underlying collateral.
(3) Includes commissions, fees and other costs.

Other Fair Value Disclosures

The Company is required to disclose estimated fair value of financial instruments, both assets and liabilities on and off the balance sheet, for which it is practicable to estimate fair value. A description of the valuation methodologies used for those assets and liabilities not recorded at fair value on a recurring or non-recurring basis are set forth below.

Cash and Cash Equivalents

For cash and due from banks, federal funds sold and short-term investments, the carrying amount approximates fair value due to their nature and short-term maturities.

11.    Fair Value Measurements (continued)

Debt Securities Held to Maturity

For debt securities held to maturity, fair value was estimated using a market approach. The majority of the Company’s securities are fixed income instruments that are not quoted on an exchange, but are traded in active markets. Prices for these instruments are obtained through third-party data service providers or dealer market participants with which the Company has historically transacted both purchases and sales of securities. Prices obtained from these sources include market quotations and matrix pricing. Matrix pricing, a Level 2 input, is a mathematical technique used principally to value certain securities to a benchmark or to comparable securities. The Company evaluates the quality of Level 2 matrix pricing through comparison to similar assets with greater liquidity and evaluation of projected cash flows. As the Company is responsible for the determination of fair value, it performs quarterly analysis on the prices received from the pricing service to determine whether the prices are reasonable estimates of fair value. Specifically, the Company compares the prices received from the pricing service to a secondary pricing source. Additionally, the Company compares changes in the reported market values and returns to relevant market indices to assess the reasonableness of the reported prices. The Company’s internal price verification procedures and review of fair value methodology documentation provided by independent pricing services has not historically resulted in an adjustment in the prices obtained from the pricing service. The Company also holds debt instruments issued by the U.S. government and U.S. government-sponsored agencies that are traded in active markets with readily accessible quoted market prices that are considered Level 1 inputs within the fair value hierarchy.

Federal Home Loan Bank Stock ("FHLB")

The fair value of FHLB stock is based on redemption at par value and can only be sold to the issuing FHLB, to other FHLBs, or to to other member banks. As such, the Company's FHLB stock is recorded at cost, or par value, and is evaluated for impairment each reporting period by considering the ultimate recoverability of the investment rather than temporary declines in value. The Company classifies the estimated fair value as Level 2 within the fair value hierarchy.

Loans Receivable

Fair values are estimated for portfolios of loans with similar financial characteristics. Loans are segregated by type such as commercial mortgage, residential mortgage, commercial, construction, and consumer and other. Each loan category is further segmented into fixed and adjustable rate interest terms and into performing and non-performing categories.

The fair value of performing loans was estimated using a combination of techniques, including a discounted cash flow model that utilizes a discount rate that reflects the Company's curring pricing for loans with similar characteristics and remaining maturity, adjusted by an amount for estimated credit losses inherent in the portfolio at the balance sheet date. The rates take into account the expected yield curve, as well as an adjustment for prepayment risk, when applicable. The Company classifies the estimated fair value of its loan portfolio as Level 3.

The fair value for significant non-performing loans was based on recent external appraisals of collateral securing such loans, adjusted for the timing of anticipated cash flows. The Company classifies the estimated fair value of its non-performing loan portfolio as Level 3.

In accordance with the prospective adoption of ASU 2016-01, the fair value of loans was measured using the exit price method as of June 30, 2019. The fair value of loans was measured using the entry price notion as of December 31, 2018.

Deposits

The fair value of deposits with no stated maturity, such as demand, money market, and savings and club deposits are payable on demand at each reporting date and classified as Level 2. The estimated fair value of certificates of deposit was based on the discounted value of contractual cash flows. The discount rate was estimated using the Company’s current rates offered for deposits with similar remaining maturities. The Company classifies the estimated fair value of its certificates of deposit portfolio as Level 2.

Borrowed Funds

The fair value of borrowed funds was estimated by discounting future cash flows using rates available for debt with similar terms and maturities and is classified by the Company as Level 2 within the fair value hierarchy.

11.    Fair Value Measurements (continued)

Commitments to Extend Credit and Letters of Credit

The fair value of commitments to extend credit and letters of credit was estimated using the fees currently charged to enter into similar agreements, taking into account the remaining terms of the agreements and the present creditworthiness of the counter-parties. For fixed rate loan commitments, fair value also considers the difference between current levels of interest rates and the committed rates. The fair value estimates of commitments to extend credit and letters of credit are deemed immaterial in comparison to their carrying value.

The following tables present the assets and liabilities reported on the consolidated statements of financial condition at their fair values as of June 30, 2019 and December 31, 2018:

	June 30, 2019
			Fair Value Measurements
	Carrying Value		Total Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(In thousands)
Financial assets:
Cash and cash equivalents	$	54,377	$	54,377	$	54,377	$	—	$	—
Debt securities available for sale	1,099,801		1,099,801		50,261		1,049,540		—
Debt securities held to maturity	299,605		303,179		38,521		264,658		—
Equity securities	1,915		1,915		1,915		—		—
Federal Home Loan Bank stock	58,613		58,613		—		58,613		—
Loans held-for-sale	2,044		2,044		—		2,044		—
Loans receivable, net	5,050,771		5,089,413		—		—		5,089,413
Derivative assets	4,227		4,227		—		4,227		—
Financial liabilities:			—
Deposits	$	4,668,645	$	4,672,763	$	—	$	4,672,763	$	—
Borrowings	1,163,271		1,166,752		—		1,166,752		—
Derivative liabilities	16,532		16,532		—		16,532		—

11.    Fair Value Measurements (continued)

	December 31, 2018
			Fair Value Measurements
	Carrying Value		Total Fair Value		Quoted prices in active markets for identical assets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
	(In thousands)
Financial assets:
Cash and cash equivalents	$	42,201	$	42,201	$	42,201	$	—	$	—
Debt securities available for sale	1,032,868		1,032,868		54,157		978,711		—
Debt securities held to maturity	262,143		254,841		23,241		231,600		—
Equity securities	1,890		1,890		1,890		—		—
Federal Home Loan Bank stock	58,938		58,938		—		58,938		—
Loans held-for-sale	8,081		8,081		—		8,081		—
Loans receivable, net	4,916,840		4,841,830		—		—		4,841,830
Derivative assets	1,342		1,342		—		1,342		—
Financial liabilities:
Deposits	$	4,413,873	$	4,402,336	$	—	$	4,402,336	$	—
Borrowings	1,189,180		1,185,007		—		1,185,007		—
Derivative liabilities	3,944		3,944		—		3,944		—

Limitations

Fair value estimates are made at a specific point in time, based on relevant market information and information about the financial instrument. These estimates do not reflect any premium or discount that could result from offering for sale at one time the Company’s entire holdings of a particular financial instrument. Because limited markets exist for a significant portion of the Company’s financial instruments, fair value estimates are based on judgments regarding future expected loss experience, current economic conditions, risk characteristics of various financial instruments, and other factors. These estimates are subjective in nature and involve uncertainties and matters of significant judgment and, therefore, cannot be determined with precision. Changes in assumptions could significantly affect the estimates.

Fair value estimates are based on existing on and off balance sheet financial instruments without attempting to estimate the value of anticipated future business and the value of assets and liabilities that are not considered financial instruments. Significant assets and liabilities that are not considered financial assets or liabilities include goodwill and other intangibles, deferred tax assets, office properties and equipment, and bank-owned life insurance. In addition, the tax ramifications related to the realization of the unrealized gains and losses can have a significant effect on fair value estimates and have not been considered in the estimates.

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Other Comprehensive Income (Loss)

6 Months Ended

Jun. 30, 2019

Equity [Abstract]

Other Comprehensive Income (Loss)

Other Comprehensive Income (Loss)

The following tables present the components of other comprehensive income (loss), both gross and net of tax, for the three and six months ended June 30, 2019 and 2018:

	For the Three Months Ended June 30,
	2019									2018
	Before Tax			Tax Effect			After Tax			Before Tax			Tax Effect			After Tax
	(In thousands)
Components of other comprehensive income (loss):
Unrealized gains (losses) on debt securities available for sale:	$	17,829		$	(3,737	)	$	14,092		$	(5,623	)	$	2,763		$	(2,860	)
Accretion of unrealized (loss) gain on debt securities reclassified as held to maturity	(2		)	—			(2		)	80			(83		)	(3		)
Reclassification adjustment for gains included in net income	339			(79		)	260			—			—			—
	18,166			(3,816		)	14,350			(5,543		)	2,680			(2,863		)
Derivatives:
Unrealized (loss) gain on swap contracts accounted for as cash flow hedges	(5,920		)	1,244			(4,676		)	297			(133		)	164
	(5,920		)	1,244			(4,676		)	297			(133		)	164
Employee benefit plans:
Amortization of prior service cost included in net income	(14		)	3			(11		)	—			—			—
Reclassification adjustment of actuarial net (loss) included in net income	(925		)	194			(731		)	—			—			—
Change in funded status of retirement obligations	(5,610		)	1,179			(4,431		)	—			2,323			2,323
	(6,549		)	1,376			(5,173		)	—			2,323			2,323
Total other comprehensive income (loss)	$	5,697		$	(1,196	)	$	4,501		$	(5,246	)	$	4,870		$	(376	)

12.Other Comprehensive Income (Loss) (continued)

	For the Six Months Ended June 30,
	2019									2018
	Before Tax			Tax Effect			After Tax			Before Tax			Tax Effect			After Tax
	(In thousands)
Components of other comprehensive income (loss):
Unrealized gains (losses) on debt securities available for sale:	$	29,595		$	(6,208	)	$	23,387		$	(17,261	)	$	4,432		$	(12,829	)
Accretion of unrealized gain (loss) on debt securities reclassified as held to maturity	11			(3		)	8			(16		)	14			(2		)
Reclassification adjustment for gains included in net income	465			(105		)	360			116			(28		)	88
	30,071			(6,316		)	23,755			(17,161		)	4,418			(12,743		)
Derivatives:
Unrealized (loss) gain on swap contracts accounted for as cash flow hedges	(9,440		)	1,984			(7,456		)	678			(172		)	506
	(9,440		)	1,984			(7,456		)	678			(172		)	506
Employee benefit plans:
Amortization of prior service cost included in net income	(28		)	6			(22		)	148			(30		)	118
Reclassification adjustment of actuarial net (loss) gain included in net income	(1,849		)	388			(1,461		)	673			(146		)	527
Change in funded status of retirement obligations	(4,672		)	982			(3,690		)	(819		)	2,085			1,266
	(6,549		)	1,376			(5,173		)	2			1,909			1,911
Total other comprehensive income (loss)	$	14,082		$	(2,956	)	$	11,126		$	(16,481	)	$	6,155		$	(10,326	)

12.Other Comprehensive Income (Loss) (continued)

The following tables present the changes in the components of accumulated other comprehensive (loss) income, net of tax, for the three and six months ended June 30, 2019 and 2018:

	For the Three Months Ended June 30,
	2019												2018
	Unrealized (Losses) Gains on Securities Available for Sale			Unrealized (Losses) on Swaps			Employee Benefit Plans			Accumulated Other Comprehensive (Loss) Income			Unrealized (Losses) on Securities Available for Sale			Unrealized Gains on Swaps		Employee Benefit Plans			Accumulated Other Comprehensive (Loss)
	(In thousands)
Balance at beginning of period	$	(4,369	)	$	(4,786	)	$	(56,665	)	$	(65,820	)	$	(17,223	)	$	566	$	(58,703	)	$	(75,360	)
Current period changes in other comprehensive income (loss)	14,350			(4,676		)	(5,173		)	4,501			(2,863		)	164		2,323			(376		)
Total other comprehensive income (loss)	$	9,981		$	(9,462	)	$	(61,838	)	$	(61,319	)	$	(20,086	)	$	730	$	(56,380	)	$	(75,736	)

	For the Six Months Ended June 30,
	2019												2018
	Unrealized (Losses) Gains on Securities Available for Sale			Unrealized (Losses) Gains on Swaps			Employee Benefit Plans			Accumulated Other Comprehensive (Loss) Income			Unrealized (Losses) on Securities Available for Sale			Unrealized Gains on Swaps		Employee Benefit Plans			Accumulated Other Comprehensive (Loss)
	(In thousands)
Balance at beginning of period	$	(13,226	)	$	(2,006	)	$	(56,665	)	$	(71,897	)	$	(7,343	)	$	224	$	(58,291	)	$	(65,410	)
Effect of the adoption of ASU 2016-01	(548		)	—			—			(548		)	—			—		—			—
Balance at January 1, 2019	(13,774		)	(2,006		)	(56,665		)	(72,445		)	(7,343		)	224		(58,291		)	(65,410		)
Current period changes in other comprehensive income (loss)	23,755			(7,456		)	(5,173		)	11,126			(12,743		)	506		1,911			(10,326		)
Total other comprehensive income (loss)	$	9,981		$	(9,462	)	$	(61,838	)	$	(61,319	)	$	(20,086	)	$	730	$	(56,380	)	$	(75,736	)

12.Other Comprehensive Income (Loss) (continued)

The following tables reflect amounts reclassified from accumulated other comprehensive income (loss) to the consolidated statements of income and the affected line item in the statement where net income is presented for the three and six months ended June 30, 2019 and 2018:

	Accumulated Other Comprehensive (Loss) Income Components
	For the Three Months Ended June 30,						Affected Line Items in the Consolidated Statements of Income
	2019			2.018	2018
	(In thousands)
Reclassification adjustment for gains included in net income	$	339			$	—	Gains on securities transactions
Reclassification adjustment of actuarial net (loss) included in net income	(925		)		—		Other non-interest expense
Total before tax	(586		)		—
Income tax benefit	115				—
Net of tax	$	(471	)		$	—

	Accumulated Other Comprehensive (Loss) Income Components
	For the Six Months Ended June 30,						Affected Line Items in the Consolidated Statements of Income
	2019			2018
	(In thousands)
Reclassification adjustment for gains included in net income	$	465		$	116		Gains on securities transactions
Reclassification adjustment of actuarial net gain included in net income	(1,849		)	673			Other non-interest expense
Total before tax	(1,384		)	789
Income tax	283			(174		)
Net of tax	$	(1,101	)	$	615

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Derivatives and Hedging Activities

6 Months Ended

Jun. 30, 2019

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivatives and Hedging Activities

Derivatives and Hedging Activities

The Company uses derivative financial instruments as components of its market risk management, principally to manage interest rate risk. Certain derivatives are entered into in connection with transactions with commercial customers. Derivatives are not used for speculative purposes.  All derivatives are recognized as either assets or liabilities in the consolidated statements of financial condition, reported at fair value and presented on a gross basis. Until a derivative is settled, a favorable change in fair value results in an unrealized gain that is recognized as an asset, while an unfavorable change in fair value results in an unrealized loss that is recognized as a liability. 

The Company generally applies hedge accounting to its derivatives used for market risk management purposes. Hedge accounting is permitted only if specific criteria are met, including a requirement that a highly effective relationship exists between the derivative instrument and the hedged item, both at inception of the hedge and on an ongoing basis. Changes in the fair value of effective fair value hedges are recognized in current earnings (with the change in fair value of the hedged asset or liability also recognized in earnings). Changes in the fair value of effective cash flow hedges are recognized in other comprehensive income (loss) until earnings are affected by the variability in cash flows of the designated hedged item. Ineffective portions of hedge results are recognized in current earnings. Changes in the fair value of derivatives for which hedge accounting is not applied are recognized in current earnings.

The Company formally documents at inception all relationships between the derivative instruments and the hedged items, as well as its risk management objectives and strategies for undertaking the hedge transactions. This process includes linking all derivatives that are designated as hedges to specific assets and liabilities, or to specific firm commitments. The Company also formally assesses, both at inception of the hedge and on an ongoing basis, whether the derivatives that are used in hedging transactions are highly effective in offsetting changes in the fair values or cash flows of the hedged items. If it is determined that a derivative is not highly effective or has ceased to be a highly effective hedge, the Company would discontinue hedge accounting prospectively. Gains or losses resulting from the termination of a derivative accounted for as a cash flow hedge remain in other comprehensive income (loss) and is (accreted) amortized to earnings over the remaining period of the former hedging relationship.

Certain derivative financial instruments are offered to certain commercial banking customers to manage their risk of exposure and risk management strategies. These derivative instruments consist primarily of currency forward contracts and interest rate swap contracts.  The risk associated with these transactions is mitigated by simultaneously entering into similar transactions having essentially offsetting terms with a third party. In addition, the Company executes interest rate swaps with third parties in order to hedge the interest rate risk of short-term FHLB advances.

Currency Forward Contracts. At June 30, 2019 and December 31, 2018, the Company had no currency forward contracts in place with commercial banking customers. Derivatives not designated in qualifying hedging relationships are not speculative and result from a service the Company provides to certain qualified commercial banking customers and are not used to manage interest rate risk in the Company's assets or liabilities.

Interest Rate Swaps. At June 30, 2019, the Company had interest rate swaps in place with nine commercial banking customers executed by offsetting interest rate swaps with third parties, with an aggregated notional amount of $76.3 million. At December 31, 2018, the Company had interest rate swaps in place with three commercial banking customers executed by offsetting interest rate swaps with third parties, with an aggregated notional amount of $36.6 million. These derivatives are not designated as hedges and are not speculative. These interest rate swaps do not meet hedge accounting requirements.

At June 30, 2019 and December 31, 2018, the Company had 28 and 24 interest rate swaps with notional amounts of $400.0 million and $320.0 million, respectively, hedging certain FHLB advances. These interest rate swaps meet the hedge accounting requirements.

Interest rate swaps designated as cash flow hedges involve the receipt of variable amounts from a counter-party in exchange for the Company making fixed-rate payments over the life of the agreements without the exchange of the underlying notional amount.

For the three and six months ended June 30, 2019 and 2018, the Company did not record any hedge ineffectiveness associated with these contracts.

13.     Derivatives and Hedging Activities (continued)

The tables below present the fair value of the Company’s derivative financial instruments as well as their classification in the consolidated statements of financial condition at June 30, 2019 and December 31, 2018:

	June 30, 2019
	Asset Derivative			Liability Derivative
	Consolidated Statements of Financial Condition	Fair Value		Consolidated Statements of Financial Condition	Fair Value
		(In thousands)
Derivatives:
Interest rate swaps	Other Assets	$	4,227	Other Liabilities	$	16,532
Total derivative instruments		$	4,227		$	16,532

	December 31, 2018
	Asset Derivative			Liability Derivative
	Consolidated Statements of Financial Condition	Fair Value		Consolidated Statements of Financial Condition	Fair Value
		(In thousands)
Derivatives:
Interest rate swaps	Other Assets	$	1,342	Other Liabilities	$	3,944
Total derivative instruments		$	1,342		$	3,944

For the three and six months ended June 30, 2019, losses of $146,000 and $213,000, respectively, were recorded for changes in fair value of interest rate swaps with third parties. For the three and six months ended June 30, 2018, no losses were recorded for changes in fair value of interest rate swaps with third parties.

At June 30, 2019 and December 31, 2018, accrued interest was $63,000 and $65,000, respectively.

The Company has agreements with counterparties that contain a provision that if the Company defaults on any of its indebtedness, including default where repayment of the indebtedness has not been accelerated by the lender, then the Company could also be declared in default of its derivative obligations.

At June 30, 2019, the termination value of derivatives in a net liability position, which includes accrued interest, was $12.3 million. The Company has collateral posting thresholds with certain of its derivative counterparties, and has posted collateral of $16.3 million against its obligations under these agreements.

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Revenue Recognition

6 Months Ended

Jun. 30, 2019

Revenue from Contract with Customer [Abstract]

Revenue Recognition

Revenue Recognition

On January 1, 2019, the Company adopted ASU 2014-09 Revenue from Contracts with Customers (Topic 606) and all subsequent ASUs that modified Topic 606. The Company performed a review and assessment of all revenue streams, the related contracts with customers, and the underlying performance obligations in those contracts. This guidance does not apply to revenue associated with financial instruments, including interest income on loans and securities, which comprise the majority of the Company's revenue. Revenue-generating activities that are within the scope of Topic 606, are components of non-interest income. These revenue streams can generally be classified as demand deposit account fees, title insurance fees and other fees.

The Company, using a modified retrospective transition approach, determined that there was no cumulative effect adjustment to retained earnings as a result of adopting the new standard, nor did the standard have a material impact on our consolidated financial statements including the timing or amounts of revenue recognized.    

14.     Revenue Recognition (continued)

The following table presents non-interest income, segregated by revenue streams in-scope and out-of-scope of Topic 606, for the three and six months ended June 30, 2019 and 2018.

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2019		2018		2019		2018
	(In thousands)
Non-interest income
In-scope of Topic 606:
Demand deposit account fees	$	1,051	$	976	$	2,010	$	1,920
Title insurance fees	1,099		1,255		2,140		2,029
Other non-interest income	1,214		1,184		2,274		2,276
Total in-scope non-interest income	3,364		3,415		6,424		6,225
Total out-of-scope non-interest income	3,411		2,035		6,388		3,767
Total non-interest income	$	6,775	$	5,450	$	12,812	$	9,992

Demand deposit account fees include monthly maintenance fees and service charges. These fees are generally derived as a result of either transaction-based or serviced-based services. The Company's performance obligation for these services is generally satisfied, and revenue recognized, at the time the transaction is completed or the service rendered. Fees for these services are generally received from the customer either at the time of the transaction or monthly.

Title insurance fees are generally recognized at the time the transaction closes or when the service is rendered.

Other non-interest income includes check printing fees, traveler's check fees, gift card fees, branch service fees, overdraft fees, account analysis fees, other deposit related fees, wealth management related fee income which includes annuity fees, brokerage commissions, and asset management fees. Wealth management related fee income represent fees earned from customers as consideration for asset management and investment advisory services provided by a third party. The Company's performance obligation is generally satisfied monthly and the resulting fees are recognized monthly based upon the month-end market value of the assets under management and the applicable fee rate. The Company does not earn performance-based incentives. The Company's performance obligation for these transaction-based services are generally satisfied, and related revenue recognized, at the time the transaction closes or when the service is rendered or a point in time when the service is completed.

Also included in other fees are debit card and ATM fees which are transaction-based. Debit card revenue is primarily comprised of interchange fees earned when a customer's Company card is processed through a card payment network. ATM fees are largely generated when a Company cardholder uses a non-Company ATM, or a non-Company cardholder uses a Company ATM. The Company's performance obligation for these services is satisfied when the service is rendered. Payment is generally received at time of transaction or monthly.

Out-of-scope non-interest income primarily consists of income from bank-owned life insurance, loan prepayment and servicing fees, net fees loan level swaps, gains and losses on the sale of loans and securities, and changes in the fair value of equity securities. None of these revenue streams are subject to the requirements of Topic 606.

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Proposed Acquisition of Stewardship Financial Corporation

6 Months Ended

Jun. 30, 2019

Business Combinations [Abstract]

Proposed Acquisition of Stewardship Financial Corporation

Proposed Acquisition of Stewardship Financial Corporation

On June 7, 2019, the Company and Stewardship Financial Corporation ("Stewardship"), the holding company for Atlantic Stewardship Bank, announced that the companies have entered into a definitive merger agreement (the "Merger Agreement") pursuant to which the Company will acquire Stewardship in an all-cash transaction. Under the terms of the agreement, Stewardship will merge with and into a wholly owned subsidiary of the Company formed to facilitate the merger ("Merger Sub"), with Stewardship continuing as the surviving company (the "First-Step Merger") and each outstanding share of Stewardship common stock will be exchanged for $15.75 in cash. Immediately following the effective time of the First-Step Merger, Stewardship will merge with and into the Company, with the Company continuing as the surviving company.

15.    Proposed Acquisition of Stewardship Financial Corporation (continued)

As of June 30, 2019, Stewardship had approximately $964.3 million of assets, $748.1 million of loans, and $781.9 million of deposits held across a network of 12 branches located throughout Bergen, Passaic and Morris counties.

Merger-related expenses which are recorded in the consolidated statements of income and include costs relating to the Company's proposed acquisition of Stewardship, represent one-time costs associated with acquisition activities and do not represent ongoing costs of the fully integrated combined organization. Accounting guidance requires that acquisition-relate transactional and restructuring costs incurred by the Company be charged to expense as incurred.

The consummation of the transactions contemplated by the Merger Agreement is subject to customary closing conditions, including, but not limited to, (i) receipt of the requisite approval of Stewardship's shareholders, (ii) receipt of all required regulatory approvals, (iii) the absence of any law or order prohibiting the closing, (iv) the accuracy of the representations and warranties of the other party in the Merger Agreement (subject to certain materiality standards) and (v) compliance in all material respects by the other party with its covenants in the Merger Agreement.

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Subsequent Events

6 Months Ended

Jun. 30, 2019

Subsequent Events [Abstract]

Subsequent Events

Subsequent Events

The Company has evaluated events subsequent to June 30, 2019 and through the financial statement issuance date of August 13, 2019. The Company has not identified any material subsequent events that would require adjustment or disclosure in the consolidated financial statements.

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Summary of Significant Accounting Policies (Policies)

6 Months Ended

Jun. 30, 2019

New Accounting Pronouncements and Changes in Accounting Principles [Abstract]

Recent Accounting Pronouncement Adopted and Issued

Accounting Pronouncements Adopted in 2019

In March 2017, the FASB issued ASU No. 2017-07, Compensation - Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Post-retirement Benefit Cost, which requires that companies disaggregate the service cost component from other components of net benefit cost. This update calls for companies that offer post-retirement benefits to present the service cost, which is the amount an employer has to set aside each quarter or fiscal year to cover the benefits, in the same line item with other current employee compensation costs. Other components of net benefit cost will be presented in the income statement separately from the service costs component and outside the subtotal of income from operations, if one is presented. The effective date for this ASU for the Company is fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. The Company adopted this guidance effective January 1, 2019. See note 10 for additional disclosure regarding the impact of adoption of this ASU on the Company's consolidated financial statements.

In August 2016, the FASB issued ASU No. 2016-15, Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments, a new standard which addresses diversity in practice related to eight specific cash flow issues: debt prepayment or extinguishment costs, settlement of zero-coupon debt instruments or other debt instruments with coupon interest rates that

are insignificant in relation to the effective interest rate of the borrowing, contingent consideration payments made after a business combination, proceeds from the settlement of insurance claims, proceeds from the settlement of corporate-owned life insurance policies (including bank-owned life insurance policies), distributions received from equity method investees, beneficial interests in securitization

transactions and separately identifiable cash flows and application of the predominance principle. This guidance in the ASU is effective for the Company for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. Entities will apply the standard’s provisions using a retrospective transition method to each period presented. If it is impracticable to apply the amendments retrospectively for some of the issues, the amendments for those issues would be applied prospectively as of the earliest date practicable. The Company adopted this guidance effective January 1, 2019. The adoption of this ASU did not have a material impact on the Company's consolidated financial statements.

4.    Summary of Significant Accounting Policies (continued)

Accounting Pronouncements Adopted in 2019 (continued)

In January 2016, the FASB issued ASU No. 2016-01, Financial Instruments- Overall: Recognition and Measurement of Financial Assets and Financial Liabilities. This guidance requires an entity to: (i) measure equity investments at fair value through net income, with certain exceptions; (ii) present in other comprehensive income the changes in instrument-specific credit risk for financial liabilities measured using the fair value option; (iii) present financial assets and financial liabilities by measurement category and form of financial asset; (iv) calculate the fair value of financial instruments for disclosure purposes based on an exit price; and (v) assess a valuation

allowance on deferred tax assets related to unrealized losses on available-for-sale debt securities in combination with other deferred tax assets. This guidance provides an election to subsequently measure certain non-marketable equity investments at cost less any impairment and adjusted for certain observable price changes.

The guidance also requires a qualitative impairment assessment of such equity investments and amends certain fair value disclosure requirements. The guidance in the ASU is effective for the Company for annual periods beginning after December 15, 2018.

The Company adopted this guidance effective January 1, 2019. As a result, $1.9 million of equity securities, as of December 31, 2018, were reclassified from securities available for sale, and presented as a separate line item on the consolidated statements of financial condition. The $548,000 after tax unrealized gain on these securities, at time of adoption, was reclassified from other comprehensive income (loss) to retained earnings, and is reflected in the consolidated statements of changes in stockholders' equity. For financial instruments that are measured at amortized cost, the Company measures fair value utilizing an exit price methodology. See note 11 for additional disclosure regarding the impact of adoption of this ASU on the Company's consolidated financial statements.

In May 2014, the FASB issued ASU No. 2014-09, Revenue from Contracts with Customers. The objective of this amendment is to clarify the principles for recognizing revenue and to develop a common revenue standard for U.S. GAAP. This update affects 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 in the scope of other standards. The guidance in the ASU was effective for the Company for fiscal years beginning after December 15, 2018. Subsequently, the FASB issued various amendments that were intended to improve and clarify the implementation guidance of ASU No. 2014-09 and had the same effective date as the original guidance. The Company's revenue is primarily comprised of net interest income on interest earning assets and liabilities and non-interest income. The scope of guidance explicitly excludes net interest income as well as other revenues associated with financial assets and liabilities, including loans, leases, securities and derivatives. The Company adopted this guidance effective January 1, 2019, after completing an evaluation of the Company's revenue streams and applicable revenue recognition, and concluded that there are no material changes related to the timing or amount of revenue recognition. The adoption of this guidance did not have a significant impact on the Company's consolidated financial statements, but resulted in additional footnote disclosures, including the disaggregation of certain categories of revenues. See note 14 for additional disclosure regarding the impact of adoption of this ASU on the Company's consolidated financial statements.

Accounting Pronouncements Not Yet Adopted

In October 2018, the FASB issued ASU No. 2018-16, Derivatives and Hedging (Topic 815)- Inclusion of the Secured Overnight Financing Rate ("SOFR") Overnight Index Swap ("OIS") Rate as a Benchmark Interest Rate for Hedge Accounting Purposes. This ASU permits the use of the OIS rate based upon SOFR as a U.S. benchmark interest rate for hedge accounting purposes under Topic 815 in addition to the direct Treasury obligations of the U.S. Government, the LIBOR swap rate, the OIS rate based on the Fed Funds Effective Rate, and the Securities Industry and Financial Markets Association Municipal Swap Rate. The amendments in this ASU are required to be adopted concurrently with the amendments in ASU No. 2017-12, Derivatives and Hedging: Targeted Improvements to Accounting for Hedging Activities, which was issued in August 2017. The effective date for this ASU for the Company is for fiscal years beginning after December 15, 2019, with early adoption, including adoption in an interim period permitted. The amendments should be adopted on a prospective basis for qualifying new of redesignated hedging relationships entered into on or after date of adoption. The Company does not expect the adoption of this guidance to have a significant impact on its consolidated financial statements.

4.    Summary of Significant Accounting Policies (continued)

Accounting Pronouncements Not Yet Adopted (continued)

In August 2018, the FASB issued ASU No. 2018-13, Fair Value Measurement (Topic 820):Disclosure Framework-Changes to the Disclosure Requirements for Fair Value Measurement. The purpose of this updated guidance is to improve the effectiveness and disclosures in the notes to the financial statements. The ASU removes the requirement to disclose the amount of and reasons for transfers between Level 1 and Level 2 of the fair value hierarchy; removes the policy for timing of transfers between levels; and removes the disclosure related to the valuation process for Level 3 fair value measurements. The ASU also modifies existing disclosure requirements which relate to the disclosure for investments in certain entities which calculate net asset value and clarifies the disclosure about uncertainty in the measurements as of the reporting date.

For all entities, the effective date for this guidance is fiscal years beginning after December 15, 2019, including interim periods within the reporting period, with early adoption permitted. Entities are also allowed to elect early adoption of the eliminated or modified disclosure requirements and delay adoption of the new disclosure requirements until their effective date. The Company is currently evaluating the impact of the new guidance on its consolidated financial statements.

In August 2018, the FASB issued ASU 2018-14, Compensation-Retirement Benefits-Defined Benefit Plans-General (Subtopic 715-20): Disclosure Framework-Changes to the Disclosure Requirements for Defined Benefit Plans. The amendments in this update modify the disclosure requirements for employers that sponsor defined benefit pension or other post-retirement plans by removing disclosures that no longer are considered cost beneficial, clarifying the specific requirements of disclosures, and adding disclosure requirements identified as relevant. Among other changes, the ASU adds disclosure requirements to Topic 715-20 for the weighted-average interest crediting rates for cash balance plans and other plans with promised interest crediting rates and an explanation of the reasons for significant gains and losses related to changes in benefit obligation for the period. The amendments remove disclosure requirements for the amounts in accumulated other comprehensive income expected to be recognized as components of net periodic benefit cost over the next fiscal year, the amount and timing of plan assets expected to be returned to the employer, and the effects of a one-percentage-point change in assumed health care cost trend rates on the (a) aggregate of the service and interest cost components of net periodic benefit costs and (b) benefit obligation for post-retirement health care benefits. ASU 2018-14 is effective for fiscal years beginning after December 15, 2020, including interim reporting periods within that reporting period, with early adoption permitted. The update is to be applied on a retrospective basis. The Company will evaluate the effect of ASU 2018-14 on its disclosures in the Company's consolidated financial statements.

In March 2017, the FASB issued ASU No. 2017-08, Receivables - Nonrefundable Fees and Other Costs (Subtopic 310-20):Premium Amortization on Purchased Callable Debt Securities. This guidance shortens the amortization period for premiums on callable debt securities by requiring that premiums be amortized to the first (or earliest) call date instead of as an adjustment to the yield over the contractual life. This change more closely aligns the accounting with the economics of a callable debt security and the amortization period with expectations that already are included in market pricing on callable debt securities. This guidance does not change the accounting for discounts on callable debt securities, which will continue to be amortized to the maturity date. This guidance includes only instruments that are held at a premium and have explicit call features. It does not include instruments that contain prepayment features, such as mortgage backed securities; nor does it include call options that are contingent upon future events or in which the timing or amount to be paid is not fixed. The effective date for this ASU for the Company is fiscal years beginning after December 15, 2019, including interim periods within the reporting period, with early adoption permitted. Transition is on a modified retrospective basis with an adjustment to retained earnings as of the beginning of the period of adoption. If early adopted in an interim period, adjustments should be reflected as of the beginning of the fiscal year that includes that interim period. The Company does not expect the adoption of this ASU to have a significant impact on its consolidated financial statements.

In January 2017, the FASB issued ASU No. 2017-04, Intangibles-Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment. The main objective of this guidance is to simplify the accounting for goodwill impairment by requiring that impairment charges be based upon the first step in the current two-step impairment test under ASC 350. Currently, if the fair value of a reporting unit is lower than its carrying amount (Step 1), an entity calculates any impairment charge by comparing the implied fair value of goodwill with its carrying amount (Step 2). The implied fair value of goodwill is calculated by deducting the fair value of all assets and liabilities of the reporting unit from the reporting unit’s fair value as determined in Step 1. To determine the implied fair value of goodwill, entities estimate the fair value of any unrecognized intangible assets and any corporate-level assets or liabilities that were

4.    Summary of Significant Accounting Policies (continued)

Accounting Pronouncements Not Yet Adopted (continued)

included in the determination of the carrying amount and fair value of the reporting unit in Step 1. Under this guidance, if a reporting unit’s carrying amount exceeds its fair value, an entity will record an impairment charge based on that difference. The impairment charge will be limited to the amount of goodwill allocated to that reporting unit. This guidance eliminates the requirement to calculate a goodwill impairment charge using Step 2. This guidance does not change the guidance on completing Step 1 of the goodwill impairment test. Under this guidance, an entity will still be able to perform the current optional qualitative goodwill impairment assessment before determining whether to proceed to Step 1. The guidance in the ASU will be applied prospectively and is effective for the Company for annual and interim impairment tests performed in periods beginning after December 15, 2019. The Company does not expect the adoption of this ASU to have a significant impact on its consolidated financial statements.

In June 2016, the FASB issued ASU No. 2016-13, Financial Instruments-Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments. The main objective of this ASU is to provide financial statement users with more decision-useful information about expected credit losses on financial instruments by a reporting entity at each reporting date. The amendments of this guidance require financial assets measured at amortized cost to be presented at the net amount expected to be collected. The allowance for credit losses would represent a valuation account that would be deducted from the amortized cost basis of the financial asset(s) to present the net carrying value at the amount expected to be collected on the financial asset. The income statement would reflect the measurement of credit losses that have taken place during the period.

The measurement of expected credit losses would be based on relevant information about past events, including historical experience, current conditions, and reasonable and supportable forecasts that affect the collectability of the reported amount. An entity would be required to use judgment in determining the relevant information and estimation methods that are appropriate in its circumstances. The guidance in the ASU is effective for the Company for fiscal years beginning after December 15, 2019, including interim periods within that reporting period. Early adoption is permitted. The Company is currently evaluating its existing systems and data to support the new standard as well as assessing the impact that the guidance will have on the Company's consolidated financial statements. The Company has formed a working group under the direction of the Chief Financial Officer that is primarily comprised of individuals from various functional areas including finance, credit, risk management, and operations, among others. A detailed implementation plan was developed which includes an assessment of the processes, portfolio segmentation, model development and validation, and system requirements and resources needed. The Company has engaged a third-party vendor to assist with model development, data governance and operational controls to support the adoption of this ASU. Furthermore, this ASU will necessitate establishing an allowance for expected credit losses on debt securities. The Company is continuing its evaluation of the guidance including the potential impact on its consolidated financial statements. The extent of the change is indeterminable at this time as it will be dependent upon portfolio composition and credit quality at the adoption date, as well as economic conditions and forecasts at that time. Upon adoption, any impact to the allowance for credit losses- currently the allowance for loan losses- will have an offsetting impact on retained earnings.

In February 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842). This guidance requires all lessees to recognize a lease liability and a right-of-use asset, measured at the present value of the future minimum lease payments, at the lease commencement date for leases classified as operating leases as well as finance leases. The update also requires new quantitative disclosures related to leases in the Company's consolidated financial statements. There are also practical expedients in this update related to leases that commenced before the effective date, initial direct costs and the use of hindsight to extend or terminate a lease or purchase a leased asset. Lessor accounting remains largely unchanged under this new guidance. In January 2018, the FASB issued ASU 2018-01, Leases (Topic 842)-Land Easement Practical Expedient for Transition to Topic 842, which provides an optional practical expedient to not evaluate land easements which were existing or expired before the adoption of Topic 842 that were not accounted for as leases under Topic 840. In July 2018, the FASB issued ASU 2018-10, Codification Improvements to Topic 842, Leases and ASU 2018-11, Leases (Topic 842) -Targeted Improvements which provides entities with an optional transition method under which comparative periods presented in the financial statements will continue to be in accordance with current Topic 840, Leases, and a practical expedient to not separate non-lease components from the associated lease component. The guidance is effective for the Company for annual periods beginning after December 15, 2019, including interim periods within that reporting period. In the evaluation of this guidance, the Company identified the inventory of leases and actively accumulated the requisite lease data necessary to apply the guidance. The Company expects to record a right of use asset and lease liability as of January 1, 2020. The Company has selected a software platform which will support the recording, accounting and disclosure requirements of the new lease guidance. The Company is continuing its efforts to evaluate the impact of this guidance and, as such, no conclusions have yet been reached regarding the potential impact on adoption on the Company's consolidated financial statements; however, the Company does not expect the adoption to have a material impact on its results of operations.

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Earnings per Share (Tables)

6 Months Ended

Jun. 30, 2019

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following is a reconciliation of the numerators and denominators of the basic and diluted earnings per share calculations for the three and six months ended June 30, 2019 and 2018:

	For the Three Months Ended June 30,					For the Six Months Ended June 30,
	2019		2018			2019		2018
	(Dollars in thousands, except per share data)
Net income (loss)	$	12,031	$	(14,742	)	$	26,950	$	(2,958	)
Basic earnings per share:
Weighted average shares outstanding - basic	111,553,203		111,360,278			111,544,339		111,360,278
Basic earnings (loss) per share	$	0.11	$	(0.13	)	$	0.24	$	(0.03	)
Diluted earnings per share:
Weighted average shares outstanding - diluted	111,553,203		111,360,278			111,544,339		111,360,278
Diluted earnings (loss) per share	$	0.11	$	(0.13	)	$	0.24	$	(0.03	)

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Debt Securities Available for Sale (Tables)

6 Months Ended

Jun. 30, 2019

Investments, Debt and Equity Securities [Abstract]

Schedule of amortized cost, gross unrealized gains, gross unrealized losses and the fair value of securities available-for-sale

Debt securities available for sale at June 30, 2019 and December 31, 2018 are summarized as follows:

	June 30, 2019
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Fair Value
			(In thousands)
U.S. government and agency obligations	$	49,623	$	684	$	(46	)	$	50,261
Mortgage-backed securities and collateralized mortgage obligations	965,224		14,808		(1,613		)	978,419
Municipal obligations	2,420		—		—			2,420
Corporate debt securities	64,494		486		(786		)	64,194
Trust preferred securities	5,000		—		(493		)	4,507
	$	1,086,761	$	15,978	$	(2,938	)	$	1,099,801

	December 31, 2018
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Fair Value
			(In thousands)
U.S. government and agency obligations	$	54,821	$	53	$	(717	)	$	54,157
Mortgage-backed securities and collateralized mortgage obligations	934,631		2,812		(17,436		)	920,007
Municipal obligations	987		—		—			987
Corporate debt securities	54,493		129		(1,155		)	53,467
Trust preferred securities	5,000		—		(750		)	4,250
	$	1,049,932	$	2,994	$	(20,058	)	$	1,032,868

Schedule of securities by contractual maturity

The amortized cost and fair value of debt securities available for sale at June 30, 2019, by contractual final maturity, is shown below. Expected maturities may differ from contractual maturities due to prepayment or early call options exercised by the issuer.

	June 30, 2019
	Amortized Cost		Fair Value
	(In thousands)
One year or less	$	12,319	$	12,322
More than one year to five years	45,050		45,319
More than five years to ten years	59,168		59,261
More than ten years	5,000		4,480
	$	121,537	$	121,382
Mortgage-backed securities and collateralized mortgage obligations	965,224		978,419
	$	1,086,761	$	1,099,801

Expected maturities may differ from contractual maturities due to prepayment or early call options exercised by the issuer.

	June 30, 2019
	Amortized Cost		Fair Value
	(In thousands)
More than five years to ten years	$	28,406	$	28,443
More than ten years	10,000		10,078
	38,406		38,521
Mortgage-backed securities and collateralized mortgage obligations	261,199		264,658
	$	299,605	$	303,179

Debt securities, available-for-sale, unrealized loss position, fair value

The following tables summarize the fair value and gross unrealized losses of those securities that reported an unrealized loss at June 30, 2019 and December 31, 2018 and if the unrealized loss position was continuous for the twelve months prior to those respective dates:

	June 30, 2019
	Less Than 12 Months					12 Months or Longer					Total
	Fair Value		Gross Unrealized (Losses)			Fair Value		Gross Unrealized (Losses)			Fair Value		Gross Unrealized (Losses)
	(In thousands)
U.S. government and agency obligations	$	—	$	—		$	19,928	$	(46	)	$	19,928	$	(46	)
Mortgage-backed securities and collateralized mortgage obligations	29,160		(158		)	193,169		(1,455		)	222,329		(1,613		)
Corporate debt securities	9,794		(208		)	14,422		(578		)	24,216		(786		)
Trust preferred securities	—		—			4,507		(493		)	4,507		(493		)
	$	38,954	$	(366	)	$	232,026	$	(2,572	)	$	270,980	$	(2,938	)

	December 31, 2018
	Less Than 12 Months							12 Months or Longer							Total
	Fair Value		—	Gross Unrealized (Losses)			—	Fair Value		—	Gross Unrealized (Losses)			—	Fair Value		—	Gross Unrealized (Losses)
	(In thousands)
U.S. government and agency obligations	$	14,668		$	(202	)		$	29,437		$	(515	)		$	44,105		$	(717	)
Mortgage-backed securities and collateralized mortgage obligations	176,614			(1,034		)		509,397			(16,402		)		686,011			(17,436		)
Corporate debt securities	26,480			(512		)		9,358			(643		)		35,838			(1,155		)
Trust preferred securities	—			—				4,250			(750		)		4,250			(750		)
	$	217,762		$	(1,748	)		$	552,442		$	(18,310	)		$	770,204		$	(20,058	)

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Debt Securities Held to Maturity (Tables)

6 Months Ended

Jun. 30, 2019

Investments, Debt and Equity Securities [Abstract]

Schedule of amortized cost, gross unrealized gains, gross unrealized losses and the fair value of securities held-to-maturity

Debt securities held to maturity at June 30, 2019 and December 31, 2018 are summarized as follows:

	June 30, 2019
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Fair Value
	(In thousands)
U.S. government and agency obligations	$	38,406	$	115	$	—		$	38,521
Mortgage-backed securities and collateralized mortgage obligations	261,199		3,926		(467		)	264,658
	$	299,605	$	4,041	$	(467	)	$	303,179

	December 31, 2018
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Fair Value
	(In thousands)
U.S. government and agency obligations	$	23,404	$	45	$	(208	)	$	23,241
Mortgage-backed securities and collateralized mortgage obligations	238,739		28		(7,167		)	231,600
	$	262,143	$	73	$	(7,375	)	$	254,841

Schedule of securities by contractual maturity

The amortized cost and fair value of debt securities available for sale at June 30, 2019, by contractual final maturity, is shown below. Expected maturities may differ from contractual maturities due to prepayment or early call options exercised by the issuer.

	June 30, 2019
	Amortized Cost		Fair Value
	(In thousands)
One year or less	$	12,319	$	12,322
More than one year to five years	45,050		45,319
More than five years to ten years	59,168		59,261
More than ten years	5,000		4,480
	$	121,537	$	121,382
Mortgage-backed securities and collateralized mortgage obligations	965,224		978,419
	$	1,086,761	$	1,099,801

Expected maturities may differ from contractual maturities due to prepayment or early call options exercised by the issuer.

	June 30, 2019
	Amortized Cost		Fair Value
	(In thousands)
More than five years to ten years	$	28,406	$	28,443
More than ten years	10,000		10,078
	38,406		38,521
Mortgage-backed securities and collateralized mortgage obligations	261,199		264,658
	$	299,605	$	303,179

Schedule of held-to-maturity securities reported in a continuous unrealized loss position

The following tables summarize the fair value and gross unrealized losses of those securities that reported an unrealized loss at June 30, 2019 and December 31, 2018 and if the unrealized loss position was continuous for the twelve months prior to June 30, 2019 and December 31, 2018:

	June 30, 2019
	Less Than 12 Months					12 Months or Longer					Total
	Fair Value		Gross Unrealized (Losses)			Fair Value		Gross Unrealized (Losses)			Fair Value		Gross Unrealized (Losses)
	(In thousands)
Mortgage-backed securities and collateralized mortgage obligations	$	7,711	$	(103	)	$	44,849	$	(364	)	$	52,560	$	(467	)
	$	7,711	$	(103	)	$	44,849	$	(364	)	$	52,560	$	(467	)

	December 31, 2018
	Less Than 12 Months					12 Months or Longer					Total
	Fair Value		Gross Unrealized (Losses)			Fair Value		Gross Unrealized (Losses)			Fair Value		Gross Unrealized (Losses)
	(In thousands)
U.S. government and agency obligations	$	—	$	—		$	8,197	$	(208	)	$	8,197	$	(208	)
Mortgage-backed securities and collateralized mortgage obligations	11,265		(69		)	213,246		(7,098		)	224,511		(7,167		)
	$	11,265	$	(69	)	$	221,443	$	(7,306	)	$	232,708	$	(7,375	)

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Loans Receivable and Allowance for Loan Losses (Tables)

6 Months Ended

Jun. 30, 2019

Receivables [Abstract]

Schedule of loans receivable

Loans receivable at June 30, 2019 and December 31, 2018 are summarized as follows:

	June 30,		December 31,
	2019		2018
	(In thousands)
Real estate loans:
One-to-four family	$	1,819,539	$	1,830,186
Multifamily and commercial	2,248,300		2,142,154
Construction	293,550		261,473
Commercial business loans	358,620		333,876
Consumer loans:
Home equity loans and advances	375,124		393,492
Other consumer loans	1,124		1,108
Total gross loans	5,096,257		4,962,289
Net deferred loan costs, fees and purchased premiums and discounts	16,917		16,893
Loans receivable	$	5,113,174	$	4,979,182

The following table provides information with respect to our non-accrual loans at June 30, 2019 and December 31, 2018:

	June 30,		December 31,
	2019		2018
	(In thousands)
Non-accrual loans:
Real estate loans:
One-to-four family	$	2,567	$	819
Multifamily and commercial	451		154
Construction	1,700		—
Commercial business loans	1,384		911
Consumer loans:
Home equity loans and advances	592		905
Total non-accrual loans	$	6,694	$	2,789

Schedule of aging of loans receivable by portfolio segment

The following tables summarize the aging of loans receivable by portfolio segment at June 30, 2019 and December 31, 2018:

	June 30, 2019
	30-59 Days		60-89 Days		90 Days or More		Total Past Due		Current		Total
	(In thousands)
Real estate loans:
One-to-four family	$	8,246	$	799	$	2,420	$	11,465	$	1,808,074	$	1,819,539
Multifamily and commercial	—		1,396		451		1,847		2,246,453		2,248,300
Construction	—		1,700		—		1,700		291,850		293,550
Commercial business loans	126		534		689		1,349		357,271		358,620
Consumer loans:
Home equity loans and advances	898		1,097		389		2,384		372,740		375,124
Other consumer loans	—		—		—		—		1,124		1,124
Total loans	$	9,270	$	5,526	$	3,949	$	18,745	$	5,077,512	$	5,096,257

	December 31, 2018
	30-59 Days		60-89 Days		90 Days or More		Total Past Due		Current		Total
	(In thousands)
Real estate loans:
One-to-four family	$	8,384	$	1,518	$	819	$	10,721	$	1,819,465	$	1,830,186
Multifamily and commercial	1,870		1,425		154		3,449		2,138,705		2,142,154
Construction	—		—		—		—		261,473		261,473
Commercial business loans	208		279		911		1,398		332,478		333,876
Consumer loans:
Home equity loans and advances	1,550		173		905		2,628		390,864		393,492
Other consumer loans	—		—		—		—		1,108		1,108
Total loans	$	12,012	$	3,395	$	2,789	$	18,196	$	4,944,093	$	4,962,289

Schedule of loans receivable by portfolio segment and impairment method

The following tables summarize loans receivable and allowance for loan losses by portfolio segment and impairment method at June 30, 2019 and December 31, 2018:

	June 30, 2019
	One-to-Four Family		Multifamily and Commercial		Construction		Commercial Business		Home Equity Loans and Advances		Other Consumer Loans		Unallocated		Total
	(In thousands)
Allowance for loan losses:
Individually evaluated for impairment	$	520	$	2	$	372	$	404	$	11	$	—	$	—	$	1,309
Collectively evaluated for impairment	15,090		22,677		8,434		12,314		2,572		7		—		61,094
Total	$	15,610	$	22,679	$	8,806	$	12,718	$	2,583	$	7	$	—	$	62,403
Total loans:
Individually evaluated for impairment	$	8,414	$	2,648	$	1,700	$	7,822	$	2,550	$	—	$	—	$	23,134
Collectively evaluated for impairment	1,811,125		2,245,652		291,850		350,798		372,574		1,124		—		5,073,123
Total loans	$	1,819,539	$	2,248,300	$	293,550	$	358,620	$	375,124	$	1,124	$	—	$	5,096,257

8.     Loans Receivable and Allowance for Loan Losses (continued)

	December 31, 2018
	One-to-Four Family		Multifamily and Commercial		Construction		Commercial Business		Home Equity Loans and Advances		Other Consumer Loans		Unallocated		Total
	(In thousands)
Allowance for loan losses:
Individually evaluated for impairment	$	537	$	—	$	—	$	366	$	12	$	—	$	—	$	915
Collectively evaluated for impairment	14,695		23,251		7,217		13,810		2,446		8		—		61,427
Total	$	15,232	$	23,251	$	7,217	$	14,176	$	2,458	$	8	$	—	$	62,342
Total loans:
Individually evaluated for impairment	$	9,048	$	2,695	$	—	$	2,944	$	3,100	$	—	$	—	$	17,787
Collectively evaluated for impairment	1,821,138		2,139,459		261,473		330,932		390,392		1,108		—		4,944,502
Total loans	$	1,830,186	$	2,142,154	$	261,473	$	333,876	$	393,492	$	1,108	$	—	$	4,962,289

The activity in the allowance for loan losses by portfolio segment for the three and six months ended June 30, 2019 and 2018 are as follows:

	For the Three Months Ended June 30,
	One-to-Four Family			Multifamily and Commercial		Construction			Commercial Business			Home Equity Loans and Advances			Other Consumer Loans			Unallocated			Total
	(In thousands)
2019
Balance at beginning of period	$	17,375		$	20,986	$	9,033		$	12,225		$	3,146		$	6		$	—		$	62,771
Provision charged (credited)	(1,254		)	1,693		(228		)	441			(542		)	2			—			112
Recoveries	4			—		1			53			—			—			—			58
Charge-offs	(515		)	—		—			(1		)	(21		)	(1		)	—			(538		)
Balance at end of period	$	15,610		$	22,679	$	8,806		$	12,718		$	2,583		$	7		$	—		$	62,403
2018
Balance at beginning of period	$	18,828		$	19,097	$	6,574		$	10,800		$	3,924		$	7		$	722		$	59,952
Provision charged (credited)	(324		)	3,705		154			87			(1,153		)	5			(74		)	2,400
Recoveries	51			—		—			36			99			3			—			189
Charge-offs	(6		)	—		—			(3		)	—			(8		)	—			(17		)
Balance at end of period	$	18,549		$	22,802	$	6,728		$	10,920		$	2,870		$	7		$	648		$	62,524

8.     Loans Receivable and Allowance for Loan Losses (continued)

	For the Six Months Ended June 30,
	One-to-Four Family			Multifamily and Commercial			Construction		Commercial Business			Home Equity Loans and Advances			Other Consumer Loans			Unallocated		Total
	(In thousands)
2019
Balance at beginning of period	$	15,232		$	23,251		$	7,217	$	14,176		$	2,458		$	8		$	—	$	62,342
Provision charged (credited)	868			(572		)	1,588		(1,555		)	219			—			—		548
Recoveries	25			—			1		366			7			—			—		399
Charge-offs	(515		)	—			—		(269		)	(101		)	(1		)	—		(886		)
Balance at end of period	$	15,610		$	22,679		$	8,806	$	12,718		$	2,583		$	7		$	—	$	62,403
2018
Balance at beginning of period	$	19,991		$	19,933		$	5,217	$	8,275		$	4,577		$	8		$	177	$	58,178
Provision charged (credited)	(1,552		)	2,998			1,508		2,783			(1,810		)	2			471		4,400
Recoveries	171			—			3		87			103			5			—		369
Charge-offs	(61		)	(129		)	—		(225		)	—			(8		)	—		(423		)
Balance at end of period	$	18,549		$	22,802		$	6,728	$	10,920		$	2,870		$	7		$	648	$	62,524

Schedule of troubled debt restructuring

The following tables present the number of loans modified as TDRs during the three and six months ended June 30, 2019 and 2018, along with their balances immediately prior to the modification date and post-modification. Post-modification recorded investment represents the net book balance immediately following modification.

	For the Three Months Ended June 30,
	2019					2018
	No. of Loans	Pre-modification Recorded Investment		Post-modification Recorded Investment		No. of Loans	Pre-modification Recorded Investment		Pre-modification Recorded Investment
	(Dollars in thousands)
Troubled Debt Restructurings
Real estate loans:
One-to-four family	—	$	—	$	—	3	$	378	$	378
Total restructured loans	—	$	—	$	—	3	$	378	$	378

	For the Six Months Ended June 30,
	2019					2018
	No. of Loans	Pre-modification Recorded Investment		Post-modification Recorded Investment		No. of Loans	Pre-modification Recorded Investment		Pre-modification Recorded Investment
	(Dollars in thousands)
Troubled Debt Restructurings
Real estate loans:
One-to-four family	—	$	—	$	—	4	$	462	$	462
Commercial business loans	1	4,095		4,095		—	—		—
Consumer loans:
Home equity loans and advances	—	—		—		1	588		588
Total restructured loans	1	$	4,095	$	4,095	5	$	1,050	$	1,050

Schedule of loans individually evaluated for impairment

The following tables present loans individually evaluated for impairment by loan segment at June 30, 2019 and December 31, 2018:

	At June 30, 2019
	Recorded Investment		Unpaid Principal Balance		Specific Allowance
	(In thousands)
With no allowance recorded:
Real estate loans:
One-to-four family	$	3,657	$	4,802	$	—
Multifamily and commercial	1,528		2,315		—
Commercial business loans	2,616		2,803		—
Consumer loans:
Home equity loans and advances	1,427		1,781		—
	9,228		11,701		—
With a specific allowance recorded:
Real estate loans:
One-to-four family	4,757		4,807		520
Multifamily and commercial	1,120		1,120		2
Construction	1,700		1,700		372
Commercial business loans	5,206		5,206		404
Consumer loans:
Home equity loans and advances	1,123		1,124		11
	13,906		13,957		1,309
Total:
Real estate loans:
One-to-four family	8,414		9,609		520
Multifamily and commercial	2,648		3,435		2
Construction	1,700		1,700		372
Commercial business loans	7,822		8,009		404
Consumer loans:
Home equity loans and advances	2,550		2,905		11
Total loans	$	23,134	$	25,658	$	1,309

8.     Loans Receivable and Allowance for Loan Losses (continued)

	At December 31, 2018
	Recorded Investment		Unpaid Principal Balance		Specific Allowance
	(In thousands)
With no allowance recorded:
Real estate loans:
One-to-four family	$	4,156	$	5,307	$	—
Multifamily and commercial	2,695		3,482		—
Commercial business loans	2,285		2,374		—
Consumer loans:
Home equity loans and advances	2,511		2,866		—
	11,647		14,029		—
With a specific allowance recorded:
Real estate loans:
One-to-four family	4,892		4,939		537
Commercial business loans	659		768		366
Consumer loans:
Home equity loans and advances	589		589		12
	6,140		6,296		915
Total:
Real estate loans:
One-to-four family	9,048		10,246		537
Multifamily and commercial	2,695		3,482		—
Commercial business loans	2,944		3,142		366
Consumer loans:
Home equity loans and advances	3,100		3,455		12
	$	17,787	$	20,325	$	915

The following tables present interest income recognized for loans individually evaluated for impairment, by loan segment, for the three and six months ended June 30, 2019 and 2018:

	For the Three Months Ended June 30,
	2019				2018
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
	(In thousands)
Real estate loans:
One-to-four family	$	8,611	$	108	$	10,715	$	103
Multifamily and commercial	2,666		37		2,718		30
Construction	1,700		—		—		—
Commercial business loans	6,616		98		3,180		25
Consumer loans:
Home equity loans and advances	2,699		47		3,260		39
Total loans	$	22,292	$	290	$	19,873	$	197

	For the Six Months Ended June 30,
	2019				2018
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
	(In thousands)
Real estate loans:
One-to-four family	$	9,149	$	214	$	11,025	$	103
Multifamily and commercial	2,681		74		3,043		28
Construction	1,133		25		—		—
Commercial business loans	5,430		178		3,541		25
Consumer loans:
Home equity loans and advances	2,920		99		3,037		38
Total loans	$	21,313	$	590	$	20,646	$	194

Schedule of loans receivable by credit quality risk

The following tables present loans receivable by credit risk indicator and by loan segment:

	At June 30, 2019
	One-to-Four Family		Multifamily and Commercial		Construction		Commercial Business		Home Equity Loans and Advances		Other Consumer Loans		Total
	(In thousands)
Pass	$	1,815,526	$	2,234,349	$	291,850	$	342,966	$	374,025	$	1,124	$	5,059,840
Special mention	—		89		—		11,109		—		—		11,198
Substandard	4,013		13,862		1,700		4,545		1,099		—		25,219
Doubtful	—		—		—		—		—		—		—
Total	$	1,819,539	$	2,248,300	$	293,550	$	358,620	$	375,124	$	1,124	$	5,096,257

	December 31, 2018
	One-to-Four Family		Multifamily and Commercial		Construction		Commercial Business		Home Equity Loans and Advances		Other Consumer Loans		Total
	(In thousands)
Pass	$	1,826,066	$	2,128,680	$	261,473	$	320,451	$	392,092	$	1,108	$	4,929,870
Special mention	—		—		—		9,074		—		—		9,074
Substandard	4,120		13,474		—		4,351		1,400		—		23,345
Doubtful	—		—		—		—		—		—		—
Total	$	1,830,186	$	2,142,154	$	261,473	$	333,876	$	393,492	$	1,108	$	4,962,289

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Deposits (Tables)

6 Months Ended

Jun. 30, 2019

Banking and Thrift [Abstract]

Schedule of Deposits

Deposits at June 30, 2019 and December 31, 2018 are summarized as follows:

	June 30,		December 31,
	2019		2018
	(In thousands)
Non-interest-bearing demand	$	754,101	$	723,794
Interest-bearing demand	1,313,914		1,219,381
Money market accounts	261,369		259,694
Savings and club deposits	486,214		510,688
Certificates of deposit	1,853,047		1,700,316
Total deposits	$	4,668,645	$	4,413,873

Schedule of Certificate Accounts by Maturity

Scheduled maturities of certificates of deposit accounts at June 30, 2019 and December 31, 2018 are summarized as follows:

	June 30,		December 31,
	2019		2018
	(In thousands)
One year or less	$	1,126,921	$	1,107,667
After one year to two years	479,796		326,800
After two years to three years	223,123		230,468
After three years to four years	12,051		24,939
After four years	11,156		10,442
	$	1,853,047	$	1,700,316

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Components of Net Periodic Benefit Costs (Tables)

6 Months Ended

Jun. 30, 2019

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs

The following table summarizes the impact of retrospective application to the consolidated statements of income for the three and six months ended June 30, 2018:

	For the Three Months Ended		For the Six Months Ended
	June 30, 2018		June 30, 2018
	(In thousands)
Compensation and employee benefits:
As previously reported	$	16,750	$	33,275
As reported under new guidance	18,275		36,325
Other non-interest expense:
As previously reported	$	3,220	$	6,296
As reported under new guidance	1,695		3,246

Net periodic benefit (income) cost for Pension Plan, RIM Plan, Post-retirement Plan and split-dollar life insurance arrangement plan benefits for the three and six months ended June 30, 2019 and 2018, includes the following components:

	For the Three Months Ended June 30,
	Pension Plan						RIM Plan				Post-retirement Plans
	2019			2018			2019		2018		2019		2018			Affected Line Item in the Consolidated Statements of Income
	(In thousands)
Service cost	$	1,501		$	1,780		$	53	$	61	$	172	$	93		Compensation and employee benefits
Interest cost	2,194			2,129			116		111		321		205			Other non-interest expense
Expected return on plan assets	(4,727		)	(4,815		)	—		—		—		—			Other non-interest expense
Amortization:
Prior service cost	—			—			—		—		14		(34		)	Other non-interest expense
Net loss	765			707			61		103		99		69			Other non-interest expense
Net periodic (income) benefit cost	$	(267	)	$	(199	)	$	230	$	275	$	606	$	333

	For the Six Months Ended June 30,
	Pension Plan						RIM Plan				Post-retirement Plans
	2019			2018			2019		2018		2019		2018
	(In thousands)
Service cost	$	3,002		$	3,560		$	106	$	122	$	344	$	186		Compensation and employee benefits
Interest cost	4,388			4,258			232		222		642		410			Other non-interest expense
Expected return on plan assets	(9,454		)	(9,630		)	—		—		—		—			Other non-interest expense
Amortization:
Prior service cost	—			—			—		—		28		(68		)	Other non-interest expense
Net loss	1,530			1,414			122		206		198		138			Other non-interest expense
Net periodic (income) benefit cost	$	(534	)	$	(398	)	$	460	$	550	$	1,212	$	666

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Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2019

Fair Value Disclosures [Abstract]

Schedule of fair value assets and liabilities measured on recurring basis

The following tables present the assets and liabilities reported on the consolidated statements of financial condition at their fair values as of June 30, 2019 and December 31, 2018, by level within the fair value hierarchy:

11.    Fair Value Measurements (continued)

	June 30, 2019
			Fair Value Measurements
	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(In thousands)
Debt securities available for sale:
U.S. government and agency obligations	$	50,261	$	50,261	$	—	$	—
Mortgage-backed securities and collateralized mortgage obligations	978,419		—		978,419		—
Municipal obligations	2,420		—		2,420		—
Corporate debt securities	64,194		—		64,194		—
Trust preferred securities	4,507		—		4,507		—
Total debt securities available for sale	1,099,801		50,261		1,049,540		—
Equity securities	1,915		1,915		—		—
Derivative assets	4,227		—		4,227		—
	$	1,105,943	$	52,176	$	1,053,767	$	—
Derivative liabilities	$	16,532	$	—	$	16,532	$	—

	December 31, 2018
			Fair Value Measurements
	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(In thousands)
Debt securities available for sale:
U.S. government and agency obligations	$	54,157	$	54,157	$	—	$	—
Mortgage-backed securities and collateralized mortgage obligations	920,007		—		920,007		—
Municipal obligations	987		—		987		—
Corporate debt securities	53,467		—		53,467		—
Trust preferred securities	4,250		—		4,250		—
Total debt securities available for sale	1,032,868		54,157		978,711		—
Equity securities	1,890		1,890		—
Derivative assets	1,342		—		1,342		—
	$	1,036,100	$	56,047	$	980,053	$	—
Derivative liabilities	$	3,944	$	—	$	3,944	$	—

Schedule of fair value assets and liabilities measured on non-recurring basis

The following tables present the asset and liabilities reported on the consolidated statements of financial condition at their fair values as of June 30, 2019 and December 31, 2018, by level within the fair value hierarchy:

	June 30, 2019
			Fair Value Measurements
	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(In thousands)
Mortgage servicing rights	$	664	$	—	$	—	$	664
	$	664	$	—	$	—	$	664

11.    Fair Value Measurements (continued)

	December 31, 2018
			Fair Value Measurements
	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(In thousands)
Impaired loans	$	125	$	—	$	—	$	125
Real estate owned	92		—		—		92
Mortgage servicing rights	442		—		—		442
	$	659	$	—	$	—	$	659

Schedule of qualitative information for Level 3 assets measured at fair value on a non-recurring basis

The following table presents qualitative information for Level 3 assets measured at fair value on a non-recurring basis as of June 30, 2019 and December 31, 2018:

	June 30, 2019
	Fair Value		Valuation Methodology	Unobservable Inputs	Range of Inputs	Weighted Average
	(In thousands)
Mortgage servicing rights	$	664	Estimated cash flow	Prepayment speeds	5.0% - 24.4%	12.1%

	December 31, 2018
	Fair Value		Valuation Methodology	Unobservable Inputs	Range of Inputs	Weighted Average
	(In thousands)
Impaired loans	$	125	Appraised value(2)	Discount for cost to sell(3)	6.0%	6.0%
Real estate owned	92		Contract sales price(1)	Discount for cost to sell(3)	6.0%	6.0%
Mortgage servicing rights	442		Estimated cash flow	Prepayment speeds	3.3% - 26.8%	12.0%
(1) Value is based on signed contract for sale.
(2) Value is based on independent appraisal of the fair value of the loan's underlying collateral.
(3) Includes commissions, fees and other costs.

Schedule of fair value assets and liabilities on Consolidated Balance Sheets

The following tables present the assets and liabilities reported on the consolidated statements of financial condition at their fair values as of June 30, 2019 and December 31, 2018:

	June 30, 2019
			Fair Value Measurements
	Carrying Value		Total Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(In thousands)
Financial assets:
Cash and cash equivalents	$	54,377	$	54,377	$	54,377	$	—	$	—
Debt securities available for sale	1,099,801		1,099,801		50,261		1,049,540		—
Debt securities held to maturity	299,605		303,179		38,521		264,658		—
Equity securities	1,915		1,915		1,915		—		—
Federal Home Loan Bank stock	58,613		58,613		—		58,613		—
Loans held-for-sale	2,044		2,044		—		2,044		—
Loans receivable, net	5,050,771		5,089,413		—		—		5,089,413
Derivative assets	4,227		4,227		—		4,227		—
Financial liabilities:			—
Deposits	$	4,668,645	$	4,672,763	$	—	$	4,672,763	$	—
Borrowings	1,163,271		1,166,752		—		1,166,752		—
Derivative liabilities	16,532		16,532		—		16,532		—

11.    Fair Value Measurements (continued)

	December 31, 2018
			Fair Value Measurements
	Carrying Value		Total Fair Value		Quoted prices in active markets for identical assets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
	(In thousands)
Financial assets:
Cash and cash equivalents	$	42,201	$	42,201	$	42,201	$	—	$	—
Debt securities available for sale	1,032,868		1,032,868		54,157		978,711		—
Debt securities held to maturity	262,143		254,841		23,241		231,600		—
Equity securities	1,890		1,890		1,890		—		—
Federal Home Loan Bank stock	58,938		58,938		—		58,938		—
Loans held-for-sale	8,081		8,081		—		8,081		—
Loans receivable, net	4,916,840		4,841,830		—		—		4,841,830
Derivative assets	1,342		1,342		—		1,342		—
Financial liabilities:
Deposits	$	4,413,873	$	4,402,336	$	—	$	4,402,336	$	—
Borrowings	1,189,180		1,185,007		—		1,185,007		—
Derivative liabilities	3,944		3,944		—		3,944		—

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Other Comprehensive Income (Loss) (Tables)

6 Months Ended

Jun. 30, 2019

Equity [Abstract]

Schedule of Other Comprehensive Income (Loss)

The following tables present the components of other comprehensive income (loss), both gross and net of tax, for the three and six months ended June 30, 2019 and 2018:

	For the Three Months Ended June 30,
	2019									2018
	Before Tax			Tax Effect			After Tax			Before Tax			Tax Effect			After Tax
	(In thousands)
Components of other comprehensive income (loss):
Unrealized gains (losses) on debt securities available for sale:	$	17,829		$	(3,737	)	$	14,092		$	(5,623	)	$	2,763		$	(2,860	)
Accretion of unrealized (loss) gain on debt securities reclassified as held to maturity	(2		)	—			(2		)	80			(83		)	(3		)
Reclassification adjustment for gains included in net income	339			(79		)	260			—			—			—
	18,166			(3,816		)	14,350			(5,543		)	2,680			(2,863		)
Derivatives:
Unrealized (loss) gain on swap contracts accounted for as cash flow hedges	(5,920		)	1,244			(4,676		)	297			(133		)	164
	(5,920		)	1,244			(4,676		)	297			(133		)	164
Employee benefit plans:
Amortization of prior service cost included in net income	(14		)	3			(11		)	—			—			—
Reclassification adjustment of actuarial net (loss) included in net income	(925		)	194			(731		)	—			—			—
Change in funded status of retirement obligations	(5,610		)	1,179			(4,431		)	—			2,323			2,323
	(6,549		)	1,376			(5,173		)	—			2,323			2,323
Total other comprehensive income (loss)	$	5,697		$	(1,196	)	$	4,501		$	(5,246	)	$	4,870		$	(376	)

12.Other Comprehensive Income (Loss) (continued)

	For the Six Months Ended June 30,
	2019									2018
	Before Tax			Tax Effect			After Tax			Before Tax			Tax Effect			After Tax
	(In thousands)
Components of other comprehensive income (loss):
Unrealized gains (losses) on debt securities available for sale:	$	29,595		$	(6,208	)	$	23,387		$	(17,261	)	$	4,432		$	(12,829	)
Accretion of unrealized gain (loss) on debt securities reclassified as held to maturity	11			(3		)	8			(16		)	14			(2		)
Reclassification adjustment for gains included in net income	465			(105		)	360			116			(28		)	88
	30,071			(6,316		)	23,755			(17,161		)	4,418			(12,743		)
Derivatives:
Unrealized (loss) gain on swap contracts accounted for as cash flow hedges	(9,440		)	1,984			(7,456		)	678			(172		)	506
	(9,440		)	1,984			(7,456		)	678			(172		)	506
Employee benefit plans:
Amortization of prior service cost included in net income	(28		)	6			(22		)	148			(30		)	118
Reclassification adjustment of actuarial net (loss) gain included in net income	(1,849		)	388			(1,461		)	673			(146		)	527
Change in funded status of retirement obligations	(4,672		)	982			(3,690		)	(819		)	2,085			1,266
	(6,549		)	1,376			(5,173		)	2			1,909			1,911
Total other comprehensive income (loss)	$	14,082		$	(2,956	)	$	11,126		$	(16,481	)	$	6,155		$	(10,326	)

Components of Other Comprehensive Income (Loss)

The following tables present the changes in the components of accumulated other comprehensive (loss) income, net of tax, for the three and six months ended June 30, 2019 and 2018:

	For the Three Months Ended June 30,
	2019												2018
	Unrealized (Losses) Gains on Securities Available for Sale			Unrealized (Losses) on Swaps			Employee Benefit Plans			Accumulated Other Comprehensive (Loss) Income			Unrealized (Losses) on Securities Available for Sale			Unrealized Gains on Swaps		Employee Benefit Plans			Accumulated Other Comprehensive (Loss)
	(In thousands)
Balance at beginning of period	$	(4,369	)	$	(4,786	)	$	(56,665	)	$	(65,820	)	$	(17,223	)	$	566	$	(58,703	)	$	(75,360	)
Current period changes in other comprehensive income (loss)	14,350			(4,676		)	(5,173		)	4,501			(2,863		)	164		2,323			(376		)
Total other comprehensive income (loss)	$	9,981		$	(9,462	)	$	(61,838	)	$	(61,319	)	$	(20,086	)	$	730	$	(56,380	)	$	(75,736	)

	For the Six Months Ended June 30,
	2019												2018
	Unrealized (Losses) Gains on Securities Available for Sale			Unrealized (Losses) Gains on Swaps			Employee Benefit Plans			Accumulated Other Comprehensive (Loss) Income			Unrealized (Losses) on Securities Available for Sale			Unrealized Gains on Swaps		Employee Benefit Plans			Accumulated Other Comprehensive (Loss)
	(In thousands)
Balance at beginning of period	$	(13,226	)	$	(2,006	)	$	(56,665	)	$	(71,897	)	$	(7,343	)	$	224	$	(58,291	)	$	(65,410	)
Effect of the adoption of ASU 2016-01	(548		)	—			—			(548		)	—			—		—			—
Balance at January 1, 2019	(13,774		)	(2,006		)	(56,665		)	(72,445		)	(7,343		)	224		(58,291		)	(65,410		)
Current period changes in other comprehensive income (loss)	23,755			(7,456		)	(5,173		)	11,126			(12,743		)	506		1,911			(10,326		)
Total other comprehensive income (loss)	$	9,981		$	(9,462	)	$	(61,838	)	$	(61,319	)	$	(20,086	)	$	730	$	(56,380	)	$	(75,736	)

Reclassification out of AOCI

The following tables reflect amounts reclassified from accumulated other comprehensive income (loss) to the consolidated statements of income and the affected line item in the statement where net income is presented for the three and six months ended June 30, 2019 and 2018:

	Accumulated Other Comprehensive (Loss) Income Components
	For the Three Months Ended June 30,						Affected Line Items in the Consolidated Statements of Income
	2019			2.018	2018
	(In thousands)
Reclassification adjustment for gains included in net income	$	339			$	—	Gains on securities transactions
Reclassification adjustment of actuarial net (loss) included in net income	(925		)		—		Other non-interest expense
Total before tax	(586		)		—
Income tax benefit	115				—
Net of tax	$	(471	)		$	—

	Accumulated Other Comprehensive (Loss) Income Components
	For the Six Months Ended June 30,						Affected Line Items in the Consolidated Statements of Income
	2019			2018
	(In thousands)
Reclassification adjustment for gains included in net income	$	465		$	116		Gains on securities transactions
Reclassification adjustment of actuarial net gain included in net income	(1,849		)	673			Other non-interest expense
Total before tax	(1,384		)	789
Income tax	283			(174		)
Net of tax	$	(1,101	)	$	615

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Derivatives and Hedging Activities (Tables)

6 Months Ended

Jun. 30, 2019

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of derivative financial instruments on the Consolidated Balance Sheets

The tables below present the fair value of the Company’s derivative financial instruments as well as their classification in the consolidated statements of financial condition at June 30, 2019 and December 31, 2018:

	June 30, 2019
	Asset Derivative			Liability Derivative
	Consolidated Statements of Financial Condition	Fair Value		Consolidated Statements of Financial Condition	Fair Value
		(In thousands)
Derivatives:
Interest rate swaps	Other Assets	$	4,227	Other Liabilities	$	16,532
Total derivative instruments		$	4,227		$	16,532

	December 31, 2018
	Asset Derivative			Liability Derivative
	Consolidated Statements of Financial Condition	Fair Value		Consolidated Statements of Financial Condition	Fair Value
		(In thousands)
Derivatives:
Interest rate swaps	Other Assets	$	1,342	Other Liabilities	$	3,944
Total derivative instruments		$	1,342		$	3,944

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Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2019

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following table presents non-interest income, segregated by revenue streams in-scope and out-of-scope of Topic 606, for the three and six months ended June 30, 2019 and 2018.

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2019		2018		2019		2018
	(In thousands)
Non-interest income
In-scope of Topic 606:
Demand deposit account fees	$	1,051	$	976	$	2,010	$	1,920
Title insurance fees	1,099		1,255		2,140		2,029
Other non-interest income	1,214		1,184		2,274		2,276
Total in-scope non-interest income	3,364		3,415		6,424		6,225
Total out-of-scope non-interest income	3,411		2,035		6,388		3,767
Total non-interest income	$	6,775	$	5,450	$	12,812	$	9,992

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Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Earnings Per Share [Abstract]
Net income (loss)	$ 12,031	$ (14,742)	$ 26,950	$ (2,958)
Basic earnings per share:
Weighted average shares outstanding - basic (in shares)	111,553,203	111,360,278	111,544,339	111,360,278
Basic earning per share (in usd per share)	$ 0.11	$ (0.13)	$ 0.24	$ (0.03)
Diluted earnings per share:
Weighted average shares outstanding - diluted (in shares)	111,553,203	111,360,278	111,544,339	111,360,278
Diluted earnings per share (in usd per share)	$ 0.11	$ (0.13)	$ 0.24	$ (0.03)

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Stock Repurchase Program (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended	6 Months Ended
	Jun. 13, 2019	Jun. 30, 2019	Jun. 30, 2019
Equity [Abstract]
Stock repurchase program, number of shares authorized to be repurchased (in shares)	4,000,000
Stock repurchase program, percent of common stock	3.50%
Shares repurchased, number of shares (in shares)		263,900	263,900
Shares repurchased, value		$ 3,867	$ 3,867
Shares repurchased, price per share (in usd per share)		$ 14.65	$ 14.65

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Summary of Significant Accounting Policies - Narrative (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jan. 01, 2019	Dec. 31, 2018	Jan. 01, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Equity securities	$ 1,915		$ 1,890
Accounting Standards Update 2016-01
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Equity securities			$ 1,900
Retained Earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect of new accounting principle in period of adoption		$ 548
Retained Earnings | Accounting Standards Update 2016-01
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect of new accounting principle in period of adoption		548
Accumulated Other Comprehensive (Loss) Income
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect of new accounting principle in period of adoption		(548)		$ 0
Accumulated Other Comprehensive (Loss) Income | Accounting Standards Update 2016-01
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect of new accounting principle in period of adoption		$ (548)

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Debt Securities Available for Sale - Securities Available-for-Sale (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 1,086,761	$ 1,049,932
Gross Unrealized Gains	15,978	2,994
Gross Unrealized (Losses)	(2,938)	(20,058)
Debt securities available for sale, at fair value	1,099,801	1,032,868
U.S. government and agency obligations
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	49,623	54,821
Gross Unrealized Gains	684	53
Gross Unrealized (Losses)	(46)	(717)
Debt securities available for sale, at fair value	50,261	54,157
Mortgage-backed securities and collateralized mortgage obligations
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	965,224	934,631
Gross Unrealized Gains	14,808	2,812
Gross Unrealized (Losses)	(1,613)	(17,436)
Debt securities available for sale, at fair value	978,419	920,007
Municipal obligations
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	2,420	987
Gross Unrealized Gains	0	0
Gross Unrealized (Losses)	0	0
Debt securities available for sale, at fair value	2,420	987
Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	64,494	54,493
Gross Unrealized Gains	486	129
Gross Unrealized (Losses)	(786)	(1,155)
Debt securities available for sale, at fair value	64,194	53,467
Trust preferred securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	5,000	5,000
Gross Unrealized Gains	0	0
Gross Unrealized (Losses)	(493)	(750)
Debt securities available for sale, at fair value	$ 4,507	$ 4,250

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Debt Securities Available for Sale - Expected Maturities of Available-for-Sale Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Amortized Cost
Amortized Cost	$ 1,086,761	$ 1,049,932
Fair Value
Fair Value	1,099,801	1,032,868
Debt Securities excluding Mortgage-based securities and CMOs
Amortized Cost
One year or less	12,319
More than one year to five years	45,050
More than five years to ten years	59,168
More than ten years	5,000
Amortized Cost	121,537
Fair Value
One year or less	12,322
More than one year to five years	45,319
More than five years to ten years	59,261
More than ten years	4,480
Fair Value	121,382
Mortgage-backed securities and collateralized mortgage obligations
Amortized Cost
Amortized Cost	965,224	934,631
Fair Value
Fair Value	$ 978,419	$ 920,007

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Debt Securities Available for Sale - Narrative (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2019 USD ($) security	Jun. 30, 2018 USD ($)	Jun. 30, 2019 USD ($) security	Jun. 30, 2018 USD ($) security	Dec. 31, 2018 USD ($) security
Debt Securities, Available-for-sale [Line Items]
Amortized cost	$ 1,086,761,000		$ 1,086,761,000		$ 1,049,932,000
Debt securities available for sale, at fair value	1,099,801,000		1,099,801,000		1,032,868,000
Proceeds from sales of debt securities available for sale	15,700,000	$ 0	15,711,000	$ 0
Gross gains on sale of available-for-sale securities	339,000		339,000	116,000
Gross losses on sale of available-for-sale securities	$ 0		$ 0	$ 0
Number of debt securities called | security	0			1
Number of matured debt securities | security	1		1
Sale and maturity of debt securities, available-for-sale	$ 0		$ 797,000
Proceeds from calls of debt securities available for sale		0	0	$ 10,000,000
Debt securities, available-for-sale, restricted	$ 210,500,000		$ 210,500,000		$ 232,700,000
Number of securities in unrealized loss position | security	64		64		151
Other-than-temporary impairments charge on debt securities available for sale	$ 0	$ 0	$ 0	$ 0
Mortgage-backed securities and collateralized mortgage obligations
Debt Securities, Available-for-sale [Line Items]
Amortized cost	965,224,000		965,224,000		$ 934,631,000
Debt securities available for sale, at fair value	$ 978,419,000		$ 978,419,000		$ 920,007,000

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Debt Securities Available for Sale - Continuous Unrealized Loss Position of Available-for-Sale Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, fair value	$ 38,954	$ 217,762
Less than 12 months, gross unrealized (losses)	(366)	(1,748)
12 months or longer, fair value	232,026	552,442
12 months or longer, gross unrealized (losses)	(2,572)	(18,310)
Fair value	270,980	770,204
Gross unrealized (losses)	(2,938)	(20,058)
U.S. government and agency obligations
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, fair value	0	14,668
Less than 12 months, gross unrealized (losses)	0	(202)
12 months or longer, fair value	19,928	29,437
12 months or longer, gross unrealized (losses)	(46)	(515)
Fair value	19,928	44,105
Gross unrealized (losses)	(46)	(717)
Mortgage-backed securities and collateralized mortgage obligations
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, fair value	29,160	176,614
Less than 12 months, gross unrealized (losses)	(158)	(1,034)
12 months or longer, fair value	193,169	509,397
12 months or longer, gross unrealized (losses)	(1,455)	(16,402)
Fair value	222,329	686,011
Gross unrealized (losses)	(1,613)	(17,436)
Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, fair value	9,794	26,480
Less than 12 months, gross unrealized (losses)	(208)	(512)
12 months or longer, fair value	14,422	9,358
12 months or longer, gross unrealized (losses)	(578)	(643)
Fair value	24,216	35,838
Gross unrealized (losses)	(786)	(1,155)
Trust preferred securities
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, fair value	0	0
Less than 12 months, gross unrealized (losses)	0	0
12 months or longer, fair value	4,507	4,250
12 months or longer, gross unrealized (losses)	(493)	(750)
Fair value	4,507	4,250
Gross unrealized (losses)	$ (493)	$ (750)

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Debt Securities Held to Maturity (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	$ 299,605	$ 262,143
Gross unrealized gains	4,041	73
Gross unrealized (losses)	(467)	(7,375)
Fair value	303,179	254,841
U.S. government and agency obligations
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	38,406	23,404
Gross unrealized gains	115	45
Gross unrealized (losses)	0	(208)
Fair value	38,521	23,241
Mortgage-backed securities and collateralized mortgage obligations
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	261,199	238,739
Gross unrealized gains	3,926	28
Gross unrealized (losses)	(467)	(7,167)
Fair value	$ 264,658	$ 231,600

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Debt Securities Held to Maturity Expected Maturities of Held-to-Maturity Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Amortized Cost
Amortized cost	$ 299,605	$ 262,143
Fair Value
Fair value	303,179	254,841
U.S. government and agency obligations
Amortized Cost
More than five years to ten years	28,406
More than ten years	10,000
Amortized cost	38,406	23,404
Fair Value
More than five years to ten years	28,443
More than ten years	10,078
Fair value	38,521	23,241
Mortgage-backed securities and collateralized mortgage obligations
Amortized Cost
Amortized cost	261,199	238,739
Fair Value
Fair value	$ 264,658	$ 231,600

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Debt Securities Held to Maturity Narrative (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2019 USD ($) security	Jun. 30, 2018 USD ($)	Jun. 30, 2019 USD ($) security	Jun. 30, 2018 USD ($)	Dec. 31, 2018 USD ($) security
Schedule of Held-to-maturity Securities [Line Items]
Debt securities, held-to-maturity	$ 299,605,000		$ 299,605,000		$ 262,143,000
Fair value	303,179,000		303,179,000		254,841,000
Proceeds from sale of held-to-maturity securities	$ 0	$ 0	$ 0	$ 0
Number of debt securities called | security	1		1
Proceeds from sale and maturity of held-to-maturity securities	$ 5,000,000		$ 5,000,000
Debt securities, held-to-maturity, sold, realized gain (loss)	0		0
Fair value of securities sold under agreements to repurchase	$ 198,600,000		$ 198,600,000		$ 187,000,000
Number of positions | security	46		46		88
Other-than-temporary impairment loss, held-to-maturity, before tax	$ 0	$ 0	$ 0	$ 0
Mortgage-backed securities and collateralized mortgage obligations
Schedule of Held-to-maturity Securities [Line Items]
Debt securities, held-to-maturity	261,199,000		261,199,000		$ 238,739,000
Fair value	$ 264,658,000		$ 264,658,000		$ 231,600,000

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Debt Securities Held to Maturity Continuous Unrealized Loss Position on Held-to-Maturity Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Schedule of Held-to-maturity Securities [Line Items]
Less than 12 months, Fair Value	$ 7,711	$ 11,265
Less than 12 months, Gross unrealized (losses)	(103)	(69)
12 months or longer, Fair value	44,849	221,443
12 months or longer, Gross unrealized (losses)	(364)	(7,306)
Total, Fair value	52,560	232,708
Total, Gross unrealized (losses)	(467)	(7,375)
U.S. government and agency obligations
Schedule of Held-to-maturity Securities [Line Items]
Less than 12 months, Fair Value		0
Less than 12 months, Gross unrealized (losses)		0
12 months or longer, Fair value		8,197
12 months or longer, Gross unrealized (losses)		(208)
Total, Fair value		8,197
Total, Gross unrealized (losses)		(208)
Mortgage-backed securities and collateralized mortgage obligations
Schedule of Held-to-maturity Securities [Line Items]
Less than 12 months, Fair Value	7,711	11,265
Less than 12 months, Gross unrealized (losses)	(103)	(69)
12 months or longer, Fair value	44,849	213,246
12 months or longer, Gross unrealized (losses)	(364)	(7,098)
Total, Fair value	52,560	224,511
Total, Gross unrealized (losses)	$ (467)	$ (7,167)

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Equity Securities at Fair Value (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Jan. 01, 2019	Dec. 31, 2018	Jan. 01, 2018
Debt and Equity Securities, FV-NI [Line Items]
Equity securities	$ 1,915,000		$ 1,915,000			$ 1,890,000
Change in fair value of equity securities	71,000	$ 0	247,000	$ 0
Proceeds from sales of equity securities	$ 0	$ 0	765,000	$ 0
Equity securities, realized gain			126,000
Equity securities, realized loss			$ 0
Accounting Standards Update 2016-01
Debt and Equity Securities, FV-NI [Line Items]
Equity securities						$ 1,900,000
Retained Earnings
Debt and Equity Securities, FV-NI [Line Items]
Cumulative effect of new accounting principle in period of adoption					$ (548,000)
Retained Earnings | Accounting Standards Update 2016-01
Debt and Equity Securities, FV-NI [Line Items]
Cumulative effect of new accounting principle in period of adoption					(548,000)
Accumulated Other Comprehensive (Loss)
Debt and Equity Securities, FV-NI [Line Items]
Cumulative effect of new accounting principle in period of adoption					548,000		$ 0
Accumulated Other Comprehensive (Loss) | Accounting Standards Update 2016-01
Debt and Equity Securities, FV-NI [Line Items]
Cumulative effect of new accounting principle in period of adoption					$ 548,000

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Loans Receivable and Allowance for Loan Losses - Loans Receivable (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	$ 5,096,257	$ 4,962,289
Net deferred loan costs, fees and purchased premiums and discounts	16,917	16,893
Loans receivable	5,113,174	4,979,182
Real estate loans | One-to-four family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	1,819,539	1,830,186
Real estate loans | Multifamily and commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	2,248,300	2,142,154
Real estate loans | Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	293,550	261,473
Commercial business loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	358,620	333,876
Consumer loans | Home equity loans and advances
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	375,124	393,492
Consumer loans | Other consumer loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	$ 1,124	$ 1,108

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Loans Receivable and Allowance for Loan Losses - Narrative (Details)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2019 USD ($) loan	Jun. 30, 2018 USD ($) loan	Jun. 30, 2019 USD ($) loan	Jun. 30, 2018 USD ($) loan	Dec. 31, 2018 USD ($) loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held-for-sale	$ 2,000,000		$ 2,000,000		$ 8,100,000
Proceeds from sales of loans held-for-sale			45,003,000	$ 0
Gain on sale of loans	196,000	$ 15,000	328,000	15,000
Proceeds from sales of loans receivable		3,700,000	2,483,000	3,695,000
Proceeds from sale of loans receivable, gross losses		$ 0		0
Proceeds from sale of loans receivable, gross gains				15,000
Purchases of loans receivable			$ 29,885,000	$ 4,715,000
Threshold period, past due status of financial receivables			30 days
Threshold period, past due for nonperforming status of financial receivables			90 days
Financing receivable, nonaccrual	6,694,000		$ 6,694,000		2,789,000
Financing receivable, 90 days or more past due, still accruing	0		0
Real estate owned	$ 0		$ 0		$ 92,000
Mortgage loans in process of foreclosure, number of loans | loan	5		5		14
Mortgage loans in process of foreclosure, amount	$ 1,000,000		$ 1,000,000		$ 1,600,000
Specific allowance for loan losses attributable to impaired loans	1,309,000		1,309,000		915,000
Impaired loans for which there are no related allowance for loan losses	9,228,000		9,228,000		11,647,000
Financing receivable, modifications, recorded investment	$ 19,500,000		$ 19,500,000		16,000,000
Number of Loans | loan	0	3	1	5
Real estate loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying value of servicing liability	$ 503,900,000		$ 503,900,000		462,700,000
Home equity loans and advances
Accounts, Notes, Loans and Financing Receivable [Line Items]
Proceeds from sales of loans receivable	2,500,000		2,500,000
Multifamily and commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Purchases of loans receivable	24,900,000	$ 2,100,000	24,900,000	$ 2,100,000
Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Proceeds from sale of loans receivable, gross losses		0
Proceeds from sale of loans receivable, gross gains		15,000
Purchases of loans receivable	2,600,000	$ 2,600,000	5,000,000	$ 2,600,000
Real estate loans | Multifamily and commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, nonaccrual	451,000		451,000		154,000
Specific allowance for loan losses attributable to impaired loans	2,000		2,000		0
Impaired loans for which there are no related allowance for loan losses	1,528,000		$ 1,528,000		2,695,000
Number of Loans | loan			1	0
Real estate loans | Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Proceeds from sales of loans held-for-sale	27,600,000		$ 45,000,000
Gain on sale of loans	196,000		328,000
Financing receivable, nonaccrual	2,567,000		2,567,000		819,000
Specific allowance for loan losses attributable to impaired loans	520,000		520,000		537,000
Impaired loans for which there are no related allowance for loan losses	$ 3,657,000		$ 3,657,000		4,156,000
Number of Loans | loan	0	3	0	4
Less Than 90 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, nonaccrual	$ 2,700,000		$ 2,700,000
Financial receivable, number of loans in nonaccrual status | loan			9
30-59 Days
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, modifications, recorded investment	436,000		$ 436,000		$ 1,000,000
Number of Loans | loan			1		7
90 Days or More
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, modifications, recorded investment					$ 101,000
Number of Loans | loan					1
Freddie Mac
Accounts, Notes, Loans and Financing Receivable [Line Items]
Proceeds from sales of loans receivable	15,600,000	$ 0	$ 21,600,000	$ 0
One Borrower
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, nonaccrual	$ 2,400,000		$ 2,400,000
Financial receivable, number of loans in nonaccrual status | loan			3

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Loans Receivable and Allowance for Loan Losses - Aging of Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Financing Receivable, Past Due [Line Items]
Total Past Due	$ 18,745	$ 18,196
Current	5,077,512	4,944,093
Total	5,096,257	4,962,289
30-59 Days
Financing Receivable, Past Due [Line Items]
Total Past Due	9,270	12,012
60-89 Days
Financing Receivable, Past Due [Line Items]
Total Past Due	5,526	3,395
90 Days or More
Financing Receivable, Past Due [Line Items]
Total Past Due	3,949	2,789
Real estate loans | One-to-four family
Financing Receivable, Past Due [Line Items]
Total Past Due	11,465	10,721
Current	1,808,074	1,819,465
Total	1,819,539	1,830,186
Real estate loans | One-to-four family | 30-59 Days
Financing Receivable, Past Due [Line Items]
Total Past Due	8,246	8,384
Real estate loans | One-to-four family | 60-89 Days
Financing Receivable, Past Due [Line Items]
Total Past Due	799	1,518
Real estate loans | One-to-four family | 90 Days or More
Financing Receivable, Past Due [Line Items]
Total Past Due	2,420	819
Real estate loans | Multifamily and commercial
Financing Receivable, Past Due [Line Items]
Total Past Due	1,847	3,449
Current	2,246,453	2,138,705
Total	2,248,300	2,142,154
Real estate loans | Multifamily and commercial | 30-59 Days
Financing Receivable, Past Due [Line Items]
Total Past Due	0	1,870
Real estate loans | Multifamily and commercial | 60-89 Days
Financing Receivable, Past Due [Line Items]
Total Past Due	1,396	1,425
Real estate loans | Multifamily and commercial | 90 Days or More
Financing Receivable, Past Due [Line Items]
Total Past Due	451	154
Real estate loans | Construction
Financing Receivable, Past Due [Line Items]
Total Past Due	1,700	0
Current	291,850	261,473
Total	293,550	261,473
Real estate loans | Construction | 30-59 Days
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Real estate loans | Construction | 60-89 Days
Financing Receivable, Past Due [Line Items]
Total Past Due	1,700	0
Real estate loans | Construction | 90 Days or More
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Commercial business loans
Financing Receivable, Past Due [Line Items]
Total Past Due	1,349	1,398
Current	357,271	332,478
Total	358,620	333,876
Commercial business loans | 30-59 Days
Financing Receivable, Past Due [Line Items]
Total Past Due	126	208
Commercial business loans | 60-89 Days
Financing Receivable, Past Due [Line Items]
Total Past Due	534	279
Commercial business loans | 90 Days or More
Financing Receivable, Past Due [Line Items]
Total Past Due	689	911
Consumer loans | Home equity loans and advances
Financing Receivable, Past Due [Line Items]
Total Past Due	2,384	2,628
Current	372,740	390,864
Total	375,124	393,492
Consumer loans | Home equity loans and advances | 30-59 Days
Financing Receivable, Past Due [Line Items]
Total Past Due	898	1,550
Consumer loans | Home equity loans and advances | 60-89 Days
Financing Receivable, Past Due [Line Items]
Total Past Due	1,097	173
Consumer loans | Home equity loans and advances | 90 Days or More
Financing Receivable, Past Due [Line Items]
Total Past Due	389	905
Consumer loans | Other consumer loans
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Current	1,124	1,108
Total	1,124	1,108
Consumer loans | Other consumer loans | 30-59 Days
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Consumer loans | Other consumer loans | 60-89 Days
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Consumer loans | Other consumer loans | 90 Days or More
Financing Receivable, Past Due [Line Items]
Total Past Due	$ 0	$ 0

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Loans Receivable and Allowance for Loan Losses - Non-accrual Status of Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, nonaccrual	$ 6,694	$ 2,789
Real estate loans | One-to-four family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, nonaccrual	2,567	819
Real estate loans | Multifamily and commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, nonaccrual	451	154
Real estate loans | Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, nonaccrual	1,700	0
Commercial business loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, nonaccrual	1,384	911
Consumer loans | Home equity loans and advances
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, nonaccrual	$ 592	$ 905

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Loans Receivable and Allowance for Loan Losses - Allowance for Loan Losses (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017
Allowance for loan losses:
Allowance for loan losses, Individually evaluated for impairment	$ 1,309		$ 915
Allowance for loan losses, Collectively evaluated for impairment	61,094		61,427
Total	62,403	$ 62,771	62,342	$ 62,524	$ 59,952	$ 58,178
Total loans:
Total loans, individually evaluated for impairment	23,134		17,787
Total loans, collectively evaluated for impairment	5,073,123		4,944,502
Total	5,096,257		4,962,289
Real estate loans | One-to-four family
Allowance for loan losses:
Allowance for loan losses, Individually evaluated for impairment	520		537
Allowance for loan losses, Collectively evaluated for impairment	15,090		14,695
Total	15,610	17,375	15,232	18,549	18,828	19,991
Total loans:
Total loans, individually evaluated for impairment	8,414		9,048
Total loans, collectively evaluated for impairment	1,811,125		1,821,138
Total	1,819,539		1,830,186
Real estate loans | Multifamily and commercial
Allowance for loan losses:
Allowance for loan losses, Individually evaluated for impairment	2		0
Allowance for loan losses, Collectively evaluated for impairment	22,677		23,251
Total	22,679	20,986	23,251	22,802	19,097	19,933
Total loans:
Total loans, individually evaluated for impairment	2,648		2,695
Total loans, collectively evaluated for impairment	2,245,652		2,139,459
Total	2,248,300		2,142,154
Real estate loans | Construction
Allowance for loan losses:
Allowance for loan losses, Individually evaluated for impairment	372		0
Allowance for loan losses, Collectively evaluated for impairment	8,434		7,217
Total	8,806	9,033	7,217	6,728	6,574	5,217
Total loans:
Total loans, individually evaluated for impairment	1,700		0
Total loans, collectively evaluated for impairment	291,850		261,473
Total	293,550		261,473
Commercial business loans
Allowance for loan losses:
Allowance for loan losses, Individually evaluated for impairment	404		366
Allowance for loan losses, Collectively evaluated for impairment	12,314		13,810
Total	12,718	12,225	14,176	10,920	10,800	8,275
Total loans:
Total loans, individually evaluated for impairment	7,822		2,944
Total loans, collectively evaluated for impairment	350,798		330,932
Total	358,620		333,876
Consumer loans | Home equity loans and advances
Allowance for loan losses:
Allowance for loan losses, Individually evaluated for impairment	11		12
Allowance for loan losses, Collectively evaluated for impairment	2,572		2,446
Total	2,583	3,146	2,458	2,870	3,924	4,577
Total loans:
Total loans, individually evaluated for impairment	2,550		3,100
Total loans, collectively evaluated for impairment	372,574		390,392
Total	375,124		393,492
Consumer loans | Other consumer loans
Allowance for loan losses:
Allowance for loan losses, Individually evaluated for impairment	0		0
Allowance for loan losses, Collectively evaluated for impairment	7		8
Total	7	6	8	7	7	8
Total loans:
Total loans, individually evaluated for impairment	0		0
Total loans, collectively evaluated for impairment	1,124		1,108
Total	1,124		1,108
Unallocated
Allowance for loan losses:
Allowance for loan losses, Individually evaluated for impairment	0		0
Allowance for loan losses, Collectively evaluated for impairment	0		0
Total	0	$ 0	0	$ 648	$ 722	$ 177
Total loans:
Total loans, individually evaluated for impairment	0		0
Total loans, collectively evaluated for impairment	0		0
Total	$ 0		$ 0

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Loans Receivable and Allowance for Loan Losses - Troubled Debt Restructuring (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019 USD ($) loan	Jun. 30, 2018 USD ($) loan	Jun. 30, 2019 USD ($) loan	Jun. 30, 2018 USD ($) loan
Financing Receivable, Troubled Debt Restructuring [Line Items]
No. of Loans | loan	0	3	1	5
Pre-modification Recorded Investment	$ 0	$ 378	$ 4,095	$ 1,050
Post-modification Recorded Investment	$ 0	$ 378	$ 4,095	$ 1,050
Real estate loans | One-to-four family
Financing Receivable, Troubled Debt Restructuring [Line Items]
No. of Loans | loan	0	3	0	4
Pre-modification Recorded Investment	$ 0	$ 378	$ 0	$ 462
Post-modification Recorded Investment	$ 0	$ 378	$ 0	$ 462
Real estate loans | Multifamily and commercial
Financing Receivable, Troubled Debt Restructuring [Line Items]
No. of Loans | loan			1	0
Pre-modification Recorded Investment			$ 4,095	$ 0
Post-modification Recorded Investment			$ 4,095	$ 0
Consumer loans | Home equity loans and advances
Financing Receivable, Troubled Debt Restructuring [Line Items]
No. of Loans | loan			0	1
Pre-modification Recorded Investment			$ 0	$ 588
Post-modification Recorded Investment			$ 0	$ 588

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Loans Receivable and Allowance for Loan Losses - Allowance for Loan Losses by Portfolio Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Allowance for loan losses:
Beginning balance	$ 62,771	$ 59,952	$ 62,342	$ 58,178
Provision for loan losses	112	2,400	548	4,400
Recoveries	58	189	399	369
Charge-offs	(538)	(17)	(886)	(423)
Ending balance	62,403	62,524	62,403	62,524
Real estate loans | One-to-four family
Allowance for loan losses:
Beginning balance	17,375	18,828	15,232	19,991
Provision for loan losses	(1,254)	(324)	868	(1,552)
Recoveries	4	51	25	171
Charge-offs	(515)	(6)	(515)	(61)
Ending balance	15,610	18,549	15,610	18,549
Real estate loans | Multifamily and commercial
Allowance for loan losses:
Beginning balance	20,986	19,097	23,251	19,933
Provision for loan losses	1,693	3,705	(572)	2,998
Recoveries	0	0	0	0
Charge-offs	0	0	0	(129)
Ending balance	22,679	22,802	22,679	22,802
Real estate loans | Construction
Allowance for loan losses:
Beginning balance	9,033	6,574	7,217	5,217
Provision for loan losses	(228)	154	1,588	1,508
Recoveries	1	0	1	3
Charge-offs	0	0	0	0
Ending balance	8,806	6,728	8,806	6,728
Commercial business loans
Allowance for loan losses:
Beginning balance	12,225	10,800	14,176	8,275
Provision for loan losses	441	87	(1,555)	2,783
Recoveries	53	36	366	87
Charge-offs	(1)	(3)	(269)	(225)
Ending balance	12,718	10,920	12,718	10,920
Consumer loans | Home equity loans and advances
Allowance for loan losses:
Beginning balance	3,146	3,924	2,458	4,577
Provision for loan losses	(542)	(1,153)	219	(1,810)
Recoveries	0	99	7	103
Charge-offs	(21)	0	(101)	0
Ending balance	2,583	2,870	2,583	2,870
Consumer loans | Other consumer loans
Allowance for loan losses:
Beginning balance	6	7	8	8
Provision for loan losses	2	5	0	2
Recoveries	0	3	0	5
Charge-offs	(1)	(8)	(1)	(8)
Ending balance	7	7	7	7
Unallocated
Allowance for loan losses:
Beginning balance	0	722	0	177
Provision for loan losses	0	(74)	0	471
Recoveries	0	0	0	0
Charge-offs	0	0	0	0
Ending balance	$ 0	$ 648	$ 0	$ 648

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Loans Receivable and Allowance for Loan Losses - Loans Individually Evaluated for Impairment (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Financing Receivable, Impaired [Line Items]
With no allowance recorded: Recorded investment	$ 9,228	$ 11,647
With no allowance recorded: Unpaid principal balance	11,701	14,029
With a specific allowance recorded: Recorded investment	13,906	6,140
With a specific allowance recorded: Unpaid principal balance	13,957	6,296
Recorded Investment	23,134	17,787
Unpaid Principal Balance	25,658	20,325
Specific Allowance	1,309	915
Real estate loans | One-to-four family
Financing Receivable, Impaired [Line Items]
With no allowance recorded: Recorded investment	3,657	4,156
With no allowance recorded: Unpaid principal balance	4,802	5,307
With a specific allowance recorded: Recorded investment	4,757	4,892
With a specific allowance recorded: Unpaid principal balance	4,807	4,939
Recorded Investment	8,414	9,048
Unpaid Principal Balance	9,609	10,246
Specific Allowance	520	537
Real estate loans | Multifamily and commercial
Financing Receivable, Impaired [Line Items]
With no allowance recorded: Recorded investment	1,528	2,695
With no allowance recorded: Unpaid principal balance	2,315	3,482
With a specific allowance recorded: Recorded investment	1,120
With a specific allowance recorded: Unpaid principal balance	1,120
Recorded Investment	2,648	2,695
Unpaid Principal Balance	3,435	3,482
Specific Allowance	2	0
Real estate loans | Construction
Financing Receivable, Impaired [Line Items]
With a specific allowance recorded: Recorded investment	1,700
With a specific allowance recorded: Unpaid principal balance	1,700
Recorded Investment	1,700
Unpaid Principal Balance	1,700
Specific Allowance	372
Commercial business loans
Financing Receivable, Impaired [Line Items]
With no allowance recorded: Recorded investment	2,616	2,285
With no allowance recorded: Unpaid principal balance	2,803	2,374
With a specific allowance recorded: Recorded investment	5,206	659
With a specific allowance recorded: Unpaid principal balance	5,206	768
Recorded Investment	7,822	2,944
Unpaid Principal Balance	8,009	3,142
Specific Allowance	404	366
Consumer loans | Home equity loans and advances
Financing Receivable, Impaired [Line Items]
With no allowance recorded: Recorded investment	1,427	2,511
With no allowance recorded: Unpaid principal balance	1,781	2,866
With a specific allowance recorded: Recorded investment	1,123	589
With a specific allowance recorded: Unpaid principal balance	1,124	589
Recorded Investment	2,550	3,100
Unpaid Principal Balance	2,905	3,455
Specific Allowance	$ 11	$ 12

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Loans Receivable and Allowance for Loan Losses - Interest Income on Impaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Financing Receivable, Impaired [Line Items]
Average recorded Investment	$ 22,292	$ 19,873	$ 21,313	$ 20,646
Interest Income Recognized	290	197	590	194
Real estate loans | One-to-four family
Financing Receivable, Impaired [Line Items]
Average recorded Investment	8,611	10,715	9,149	11,025
Interest Income Recognized	108	103	214	103
Real estate loans | Multifamily and commercial
Financing Receivable, Impaired [Line Items]
Average recorded Investment	2,666	2,718	2,681	3,043
Interest Income Recognized	37	30	74	28
Real estate loans | Construction
Financing Receivable, Impaired [Line Items]
Average recorded Investment	1,700	0	1,133	0
Interest Income Recognized	0	0	25	0
Commercial business loans
Financing Receivable, Impaired [Line Items]
Average recorded Investment	6,616	3,180	5,430	3,541
Interest Income Recognized	98	25	178	25
Consumer loans | Home equity loans and advances
Financing Receivable, Impaired [Line Items]
Average recorded Investment	2,699	3,260	2,920	3,037
Interest Income Recognized	$ 47	$ 39	$ 99	$ 38

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Loans Receivable and Allowance for Loan Losses - Credit Quality Indicators (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	$ 5,096,257	$ 4,962,289
Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	5,059,840	4,929,870
Special mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	11,198	9,074
Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	25,219	23,345
Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	0	0
Real estate loans | One-to-four family
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	1,819,539	1,830,186
Real estate loans | One-to-four family | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	1,815,526	1,826,066
Real estate loans | One-to-four family | Special mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	0	0
Real estate loans | One-to-four family | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	4,013	4,120
Real estate loans | One-to-four family | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	0	0
Real estate loans | Multifamily and commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	2,248,300	2,142,154
Real estate loans | Multifamily and commercial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	2,234,349	2,128,680
Real estate loans | Multifamily and commercial | Special mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	89	0
Real estate loans | Multifamily and commercial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	13,862	13,474
Real estate loans | Multifamily and commercial | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	0	0
Real estate loans | Construction
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	293,550	261,473
Real estate loans | Construction | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	291,850	261,473
Real estate loans | Construction | Special mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	0	0
Real estate loans | Construction | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	1,700	0
Real estate loans | Construction | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	0	0
Commercial business loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	358,620	333,876
Commercial business loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	342,966	320,451
Commercial business loans | Special mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	11,109	9,074
Commercial business loans | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	4,545	4,351
Commercial business loans | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	0	0
Consumer loans | Home equity loans and advances
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	375,124	393,492
Consumer loans | Home equity loans and advances | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	374,025	392,092
Consumer loans | Home equity loans and advances | Special mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	0	0
Consumer loans | Home equity loans and advances | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	1,099	1,400
Consumer loans | Home equity loans and advances | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	0	0
Consumer loans | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	1,124	1,108
Consumer loans | Other consumer loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	1,124	1,108
Consumer loans | Other consumer loans | Special mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	0	0
Consumer loans | Other consumer loans | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	0	0
Consumer loans | Other consumer loans | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total gross loans	$ 0	$ 0

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Deposits - Schedule of Deposits (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Banking and Thrift [Abstract]
Non-interest-bearing demand	$ 754,101	$ 723,794
Interest-bearing demand	1,313,914	1,219,381
Money market accounts	261,369	259,694
Savings and club deposits	486,214	510,688
Certificates of deposit	1,853,047	1,700,316
Total deposits	$ 4,668,645	$ 4,413,873

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Deposits - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Banking and Thrift [Abstract]
Aggregate amount of certificates of deposit exceeding threshold amount	$ 1,000,000		$ 1,000,000		$ 885,300
Interest expense on deposits	$ 15,250	$ 9,194	$ 28,929	$ 17,293

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Deposits - Schedule of Deposit Maturities (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Banking and Thrift [Abstract]
One year or less	$ 1,126,921	$ 1,107,667
After one year to two years	479,796	326,800
After two years to three years	223,123	230,468
After three years to four years	12,051	24,939
After four years	11,156	10,442
Total term certificate accounts	$ 1,853,047	$ 1,700,316

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Components of Net Periodic Benefit Costs (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Retirement Benefits [Abstract]
Years of employment benefits are based upon			5 years
Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service cost	$ 1,501	$ 1,780	$ 3,002	$ 3,560
Interest cost	2,194	2,129	4,388	4,258
Expected return on plan assets	(4,727)	(4,815)	(9,454)	(9,630)
Amortization of Prior service cost	0	0	0	0
Amortization of Net loss	765	707	1,530	1,414
Net periodic (income) benefit cost	(267)	(199)	(534)	(398)
RIM Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service cost	53	61	106	122
Interest cost	116	111	232	222
Expected return on plan assets	0	0	0	0
Amortization of Prior service cost	0	0	0	0
Amortization of Net loss	61	103	122	206
Net periodic (income) benefit cost	230	275	460	550
Post-retirement Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service cost	172	93	344	186
Interest cost	321	205	642	410
Expected return on plan assets	0	0	0	0
Amortization of Prior service cost	14	(34)	28	(68)
Amortization of Net loss	99	69	198	138
Net periodic (income) benefit cost	$ 606	$ 333	$ 1,212	$ 666

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Components of Net Periodic Benefit Costs Summary of the Impact of Retrospective Application to the Statement of Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Compensation and employee benefits	$ 20,343	$ 18,275	$ 39,923	$ 36,325
Other non-interest expense	3,260	1,695	$ 5,710	3,246
Defined contribution plan, employer contribution amount	$ 35,000
Previously Reported
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Compensation and employee benefits		16,750		33,275
Other non-interest expense		$ 3,220		$ 6,296

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Fair Value Measurements - Assets and Liabilities Measured on Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt securities available for sale	$ 1,099,801	$ 1,032,868
Equity securities	1,915	1,890
U.S. government and agency obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt securities available for sale	50,261	54,157
Mortgage-backed securities and collateralized mortgage obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt securities available for sale	978,419	920,007
Municipal obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt securities available for sale	2,420	987
Corporate debt securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt securities available for sale	64,194	53,467
Trust preferred securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt securities available for sale	4,507	4,250
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt securities available for sale	50,261	54,157
Equity securities	1,915	1,890
Derivative assets	0	0
Derivative liabilities	0	0
Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt securities available for sale	1,049,540	978,711
Equity securities	0	0
Derivative assets	4,227	1,342
Derivative liabilities	16,532	3,944
Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt securities available for sale	0	0
Equity securities	0	0
Derivative assets	0	0
Derivative liabilities	0	0
Measured on recurring basis
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt securities available for sale	1,099,801	1,032,868
Equity securities	1,915	1,890
Derivative assets	4,227	1,342
Assets	1,105,943	1,036,100
Derivative liabilities	16,532	3,944
Measured on recurring basis | U.S. government and agency obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt securities available for sale	50,261	54,157
Measured on recurring basis | Mortgage-backed securities and collateralized mortgage obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt securities available for sale	978,419	920,007
Measured on recurring basis | Municipal obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt securities available for sale	2,420	987
Measured on recurring basis | Corporate debt securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt securities available for sale	64,194	53,467
Measured on recurring basis | Trust preferred securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt securities available for sale	4,507	4,250
Measured on recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt securities available for sale	50,261	54,157
Equity securities	1,915	1,890
Derivative assets	0	0
Assets	52,176	56,047
Derivative liabilities	0	0
Measured on recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. government and agency obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt securities available for sale	50,261	54,157
Measured on recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Mortgage-backed securities and collateralized mortgage obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt securities available for sale	0	0
Measured on recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Municipal obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt securities available for sale	0	0
Measured on recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Corporate debt securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt securities available for sale	0	0
Measured on recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Trust preferred securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt securities available for sale	0	0
Measured on recurring basis | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt securities available for sale	1,049,540	978,711
Equity securities	0	0
Derivative assets	4,227	1,342
Assets	1,053,767	980,053
Derivative liabilities	16,532	3,944
Measured on recurring basis | Significant Other Observable Inputs (Level 2) | U.S. government and agency obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt securities available for sale	0	0
Measured on recurring basis | Significant Other Observable Inputs (Level 2) | Mortgage-backed securities and collateralized mortgage obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt securities available for sale	978,419	920,007
Measured on recurring basis | Significant Other Observable Inputs (Level 2) | Municipal obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt securities available for sale	2,420	987
Measured on recurring basis | Significant Other Observable Inputs (Level 2) | Corporate debt securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt securities available for sale	64,194	53,467
Measured on recurring basis | Significant Other Observable Inputs (Level 2) | Trust preferred securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt securities available for sale	4,507	4,250
Measured on recurring basis | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt securities available for sale	0	0
Equity securities	0
Derivative assets	0	0
Assets	0	0
Derivative liabilities	0	0
Measured on recurring basis | Significant Unobservable Inputs (Level 3) | U.S. government and agency obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt securities available for sale	0	0
Measured on recurring basis | Significant Unobservable Inputs (Level 3) | Mortgage-backed securities and collateralized mortgage obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt securities available for sale	0	0
Measured on recurring basis | Significant Unobservable Inputs (Level 3) | Municipal obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt securities available for sale	0	0
Measured on recurring basis | Significant Unobservable Inputs (Level 3) | Corporate debt securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt securities available for sale	0	0
Measured on recurring basis | Significant Unobservable Inputs (Level 3) | Trust preferred securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt securities available for sale	$ 0	$ 0

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Fair Value Measurements - Narrative (Details)	6 Months Ended
	Jun. 30, 2019
Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Adjustments for estimated costs to sell collateral dependent impaired loans	6.00%
Estimated costs to sell foreclosed assets	6.00%
Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Adjustments for estimated costs to sell collateral dependent impaired loans	8.00%
Estimated costs to sell foreclosed assets	8.00%

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Fair Value Measurements - Assets and Liabilities Measured on Non-Recurring Basis (Details) - USD ($)	Jun. 30, 2019	Dec. 31, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Real estate owned	$ 0	$ 92,000
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans measured for impairment based on the fair value of the underlying collateral	0	0
Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans measured for impairment based on the fair value of the underlying collateral	0	0
Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans measured for impairment based on the fair value of the underlying collateral	5,089,413,000	4,841,830,000
Measured on non-recurring basis
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans measured for impairment based on the fair value of the underlying collateral		125,000
Real estate owned		92,000
Mortgage servicing rights	664,000	442,000
Assets	664,000	659,000
Measured on non-recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans measured for impairment based on the fair value of the underlying collateral		0
Real estate owned		0
Mortgage servicing rights	0	0
Assets	0	0
Measured on non-recurring basis | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans measured for impairment based on the fair value of the underlying collateral		0
Real estate owned		0
Mortgage servicing rights	0	0
Assets	0	0
Measured on non-recurring basis | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans measured for impairment based on the fair value of the underlying collateral		125,000
Real estate owned		92,000
Mortgage servicing rights	664,000	442,000
Assets	$ 664,000	$ 659,000

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Fair Value Measurements - Qualitative Valuation (Details) $ in Thousands	Jun. 30, 2019 USD ($)	Dec. 31, 2018 USD ($)
Measured on non-recurring basis
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Mortgage servicing rights	$ 664	$ 442
Loans measured for impairment based on the fair value of the underlying collateral		125
Significant Unobservable Inputs (Level 3)
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Loans measured for impairment based on the fair value of the underlying collateral	5,089,413	4,841,830
Significant Unobservable Inputs (Level 3) | Measured on non-recurring basis
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Mortgage servicing rights	$ 664	442
Loans measured for impairment based on the fair value of the underlying collateral		$ 125
Significant Unobservable Inputs (Level 3) | Discount Rate | Measured on non-recurring basis | Appraisal
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Impaired financing receivable, measurement input		0.060
Significant Unobservable Inputs (Level 3) | Discount Rate | Measured on non-recurring basis | Contract Sales Price
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Other real estate owned, measurement input		0.060
Significant Unobservable Inputs (Level 3) | Discount Rate | Measured on non-recurring basis | Weighted Average | Appraisal
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Impaired financing receivable, measurement input		0.060
Significant Unobservable Inputs (Level 3) | Discount Rate | Measured on non-recurring basis | Weighted Average | Contract Sales Price
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Other real estate owned, measurement input		0.060
Significant Unobservable Inputs (Level 3) | Prepayment Rate | Measured on non-recurring basis | Minimum | Estimated Cash Flow
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Servicing asset, measurement input	0.050	0.033
Significant Unobservable Inputs (Level 3) | Prepayment Rate | Measured on non-recurring basis | Maximum | Estimated Cash Flow
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Servicing asset, measurement input	0.244	0.268
Significant Unobservable Inputs (Level 3) | Prepayment Rate | Measured on non-recurring basis | Weighted Average | Estimated Cash Flow
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Servicing asset, measurement input	0.121	0.120

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Fair Value Measurements - Fair Value on Balance Sheet (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Financial assets:
Debt securities available for sale, at fair value	$ 1,099,801	$ 1,032,868
Debt securities held to maturity	303,179	254,841
Equity securities	1,915	1,890
Loans held-for-sale	2,000	8,100
Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial assets:
Cash and cash equivalents	54,377	42,201
Debt securities available for sale, at fair value	50,261	54,157
Debt securities held to maturity	38,521	23,241
Equity securities	1,915	1,890
Federal Home Loan Bank stock	0	0
Loans held-for-sale	0	0
Loans receivable, net	0	0
Derivative assets	0	0
Deposits
Deposits	0	0
Borrowings	0	0
Derivative liabilities	0	0
Significant Other Observable Inputs (Level 2)
Financial assets:
Cash and cash equivalents	0	0
Debt securities available for sale, at fair value	1,049,540	978,711
Debt securities held to maturity	264,658	231,600
Equity securities	0	0
Federal Home Loan Bank stock	58,613	58,938
Loans held-for-sale	2,044	8,081
Loans receivable, net	0	0
Derivative assets	4,227	1,342
Deposits
Deposits	4,672,763	4,402,336
Borrowings	1,166,752	1,185,007
Derivative liabilities	16,532	3,944
Significant Unobservable Inputs (Level 3)
Financial assets:
Cash and cash equivalents	0	0
Debt securities available for sale, at fair value	0	0
Debt securities held to maturity	0	0
Equity securities	0	0
Federal Home Loan Bank stock	0	0
Loans held-for-sale	0	0
Loans receivable, net	5,089,413	4,841,830
Derivative assets	0	0
Deposits
Deposits	0	0
Borrowings	0	0
Derivative liabilities	0	0
Carrying Value
Financial assets:
Cash and cash equivalents	54,377	42,201
Debt securities available for sale, at fair value	1,099,801	1,032,868
Debt securities held to maturity	299,605	262,143
Equity securities	1,915	1,890
Federal Home Loan Bank stock	58,613	58,938
Loans held-for-sale	2,044	8,081
Loans receivable, net	5,050,771	4,916,840
Derivative assets	4,227	1,342
Deposits
Deposits	4,668,645	4,413,873
Borrowings	1,163,271	1,189,180
Derivative liabilities	16,532	3,944
Total Fair Value
Financial assets:
Cash and cash equivalents	54,377	42,201
Debt securities available for sale, at fair value	1,099,801	1,032,868
Debt securities held to maturity	303,179	254,841
Equity securities	1,915	1,890
Federal Home Loan Bank stock	58,613	58,938
Loans held-for-sale	2,044	8,081
Loans receivable, net	5,089,413	4,841,830
Derivative assets	4,227	1,342
Deposits
Deposits	4,672,763	4,402,336
Borrowings	1,166,752	1,185,007
Derivative liabilities	$ 16,532	$ 3,944

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Other Comprehensive Income (Loss) - Tax effects of components in other comprehensive income (loss) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Components of Other Comprehensive Income (Loss), Before Tax
Unrealized gains (losses) on debt securities available for sale:	$ 17,829	$ (5,623)	$ 29,595	$ (17,261)
Accretion of unrealized (loss) gain on debt securities reclassified as held to maturity	(2)	80	11	(16)
Reclassification adjustment for gains included in net income	339	0	465	116
Total other comprehensive (loss) income, before tax	18,166	(5,543)	30,071	(17,161)
Unrealized (loss) gain on swap contracts accounted for as cash flow hedges	(5,920)		(9,440)
Unrealized (loss) gain on swap contracts accounted for as cash flow hedges		297		678
Employee benefit plans, Before tax
Amortization of prior service cost included in net income	(14)	0	(28)	148
Reclassification adjustment of actuarial net (loss) included in net income	(925)	0	(1,849)	673
Change in funded status of retirement obligations	(5,610)	0	(4,672)	(819)
Total employee benefit plans, before tax	(6,549)	0	(6,549)	2
Total other comprehensive income (loss)	5,697	(5,246)	14,082	(16,481)
Components of Other Comprehensive Income (Loss), Tax Effect
Unrealized gains (losses) on debt securities available for sale:	(3,737)	2,763	(6,208)	4,432
Accretion of unrealized (loss) gain on debt securities reclassified as held to maturity	0	(83)	(3)	14
Reclassification adjustment for gains included in net income	(79)	0	(105)	(28)
Total other comprehensive (loss) income, tax	(3,816)	2,680	(6,316)	4,418
Unrealized (loss) gain on swap contracts accounted for as cash flow hedges	1,244		1,984
Unrealized (loss) gain on swap contracts accounted for as cash flow hedges		(133)		(172)
Employee benefit plans, Tax Effect
Amortization of prior service cost included in net income	3	0	6	(30)
Reclassification adjustment of actuarial net (loss) included in net income	194	0	388	(146)
Change in funded status of retirement obligations	1,179	2,323	982	2,085
Total employee benefit plans, tax	1,376	2,323	1,376	1,909
Total other comprehensive income (loss)	(1,196)	4,870	(2,956)	6,155
Components of Other Comprehensive Income (Loss), After Tax
Unrealized gains (losses) on debt securities available for sale:	14,092	(2,860)	23,387	(12,829)
Accretion of unrealized (loss) gain on debt securities reclassified as held to maturity	(2)	(3)	8	(2)
Reclassification adjustment for gains included in net income	260	0	360	88
Total other comprehensive (loss) income, net of tax	14,350	(2,863)	23,755	(12,743)
Unrealized (loss) gain on swap contracts accounted for as cash flow hedges	(4,676)		(7,456)
Unrealized (loss) gain on swap contracts accounted for as cash flow hedges		164		506
Employee benefit plans, After Tax
Amortization of prior service cost included in net income	(11)	0	(22)	118
Reclassification adjustment of actuarial net (loss) included in net income	(731)	0	(1,461)	527
Change in funded status of retirement obligations	(4,431)	2,323	(3,690)	1,266
Total employee benefit plans, net of tax	(5,173)	2,323	(5,173)	1,911
Total other comprehensive income (loss)	$ 4,501	$ (376)	$ 11,126	$ (10,326)

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Other Comprehensive Income (Loss) - Changes in components of other comprehensive income (loss) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Jan. 01, 2019	Jan. 01, 2018
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	$ 994,502	$ 473,904	$ 972,060	$ 472,070
Current period changes in other comprehensive income (loss)	4,501	(376)	11,126	(10,326)
Balance, as adjusted					$ 972,060
Balance at end of year	1,007,909	941,297	1,007,909	941,297
Accumulated Other Comprehensive (Loss) Income
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(65,820)	(75,360)	(71,897)	(65,410)
Current period changes in other comprehensive income (loss)	4,501	(376)	11,126	(10,326)
Cumulative effect of new accounting principle in period of adoption					(548)	$ 0
Balance, as adjusted					(72,445)	(65,410)
Balance at end of year	(61,319)	(75,736)	(61,319)	(75,736)
Unrealized (Losses) Gains on Securities Available for Sale
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(4,369)	(17,223)	(13,226)	(7,343)
Current period changes in other comprehensive income (loss)	14,350	(2,863)	23,755	(12,743)
Cumulative effect of new accounting principle in period of adoption					(548)
Balance, as adjusted					(13,774)	(7,343)
Balance at end of year	9,981	(20,086)	9,981	(20,086)
Unrealized (Losses) on Swaps
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(4,786)	566	(2,006)	224
Current period changes in other comprehensive income (loss)	(4,676)	164	(7,456)	506
Balance, as adjusted					(2,006)	224
Balance at end of year	(9,462)	730	(9,462)	730
Employee Benefit Plans
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(56,665)	(58,703)	(56,665)	(58,291)
Current period changes in other comprehensive income (loss)	(5,173)	2,323	(5,173)	1,911
Balance, as adjusted					$ (56,665)	$ (58,291)
Balance at end of year	$ (61,838)	$ (56,380)	$ (61,838)	$ (56,380)

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Other Comprehensive Income (Loss) - Reclassification out of AOCI (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification adjustment for gains included in net income	$ 339	$ 0	$ 465	$ 116
Other non-interest expense	3,260	1,695	5,710	3,246
Income (loss) before income tax expense (benefit)	15,665	(17,703)	34,091	(2,113)
Income tax benefit	(3,634)	2,961	(7,141)	(845)
Net of tax	12,031	(14,742)	26,950	(2,958)
Accumulated Other Comprehensive (Loss) Income Components
Accumulated Other Comprehensive Income (Loss) [Line Items]
Income (loss) before income tax expense (benefit)	(586)	0	(1,384)	789
Income tax benefit	115	0	283	(174)
Net of tax	(471)	0	(1,101)	615
Accumulated Other Comprehensive (Loss) Income Components | Reclassification adjustment for gains included in net income
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification adjustment for gains included in net income	339	0	465	116
Accumulated Other Comprehensive (Loss) Income Components | Reclassification adjustment of actuarial net (loss) included in net income
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other non-interest expense	$ (925)	$ 0	$ (1,849)	$ 673

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Derivatives and Hedging Activities - Narrative (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2019 USD ($) customer swap	Jun. 30, 2018 USD ($)	Jun. 30, 2019 USD ($) customer swap	Jun. 30, 2018 USD ($)	Dec. 31, 2018 USD ($) customer swap
Derivative [Line Items]
Accrued interest on derivatives, at fair value	$ 63,000		$ 63,000		$ 65,000
Derivative, net liability position, aggregate fair value	12,300,000		12,300,000
Derivative, collateral, right to reclaim cash	16,300,000		16,300,000
Interest Rate Swap
Derivative [Line Items]
Derivative gain (loss) on derivative, net	146,000	$ 0	213,000	$ 0
Not-designated hedge | Currency forward contract - non-designated hedge
Derivative [Line Items]
Notional amount of derivative	0		0		0
Not-designated hedge | Interest Rate Swap
Derivative [Line Items]
Notional amount of derivative	$ 76,300,000		$ 76,300,000		$ 36,600,000
Number of swaps with customers offset by third party swaps | customer	9		9		3
Federal Home Loan Bank Advances | Designated as Hedging Instrument | Interest Rate Swap
Derivative [Line Items]
Notional amount of derivative	$ 400,000,000		$ 400,000,000		$ 320,000,000
Number of interest rate derivatives held | swap	28		28		24

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Derivatives and Hedging Activities - Derivative Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Interest rate swaps | Designated as Hedging Instrument | Other Assets
Derivatives, Fair Value [Line Items]
Asset Derivative	$ 4,227	$ 1,342
Interest rate swaps | Designated as Hedging Instrument | Other Liabilities
Derivatives, Fair Value [Line Items]
Liability Derivative	16,532	3,944
Reported Value Measurement
Derivatives, Fair Value [Line Items]
Derivative assets	4,227	1,342
Derivative liabilities	$ 16,532	$ 3,944

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Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Disaggregation of Revenue [Line Items]
Total out-of-scope non-interest income	$ 3,411	$ 2,035	$ 6,388	$ 3,767
Total non-interest income	6,775	5,450	12,812	9,992
Total in-scope non-interest income
Disaggregation of Revenue [Line Items]
Revenue	3,364	3,415	6,424	6,225
Demand deposit account fees
Disaggregation of Revenue [Line Items]
Revenue	1,051	976	2,010	1,920
Title insurance fees
Disaggregation of Revenue [Line Items]
Revenue	1,099	1,255	2,140	2,029
Other non-interest income
Disaggregation of Revenue [Line Items]
Revenue	$ 1,214	$ 1,184	$ 2,274	$ 2,276

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Proposed Acquisition of Stewardship Financial Corporation (Details) $ / shares in Units, $ in Thousands	Jun. 30, 2019 USD ($) branch	Jun. 07, 2019 $ / shares	Dec. 31, 2018 USD ($)
Business Acquisition [Line Items]
Assets	$ 6,980,743		$ 6,691,618
Deposits	4,668,645		$ 4,413,873
Stewardship Financial Corporation
Business Acquisition [Line Items]
Assets	964,300
Loans payable	748,100
Deposits	$ 781,900
Number of branches | branch	12
Stewardship Financial Corporation
Business Acquisition [Line Items]
Business acquisition, share price (in usd per share) | $ / shares		$ 15.75

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Label	Element	Value
Treasury Stock [Member]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Adjusted Balance	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1	$ 0
Common Stock [Member]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Adjusted Balance	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1	1,159,000
Retained Earnings [Member]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Adjusted Balance	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1	560,764,000
Additional Paid-in Capital [Member]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Adjusted Balance	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1	527,037,000
Unallocated Common Stock Held By The Employee Stock Ownership Plan [Member]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Adjusted Balance	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1	(43,835,000)
Deferred Compensation Obligation [Member]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Adjusted Balance	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1	639,000
Stock Held by Rabbi Trust [Member]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Adjusted Balance	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1	$ (1,259,000)