Investors Bancorp (ISBC) 10-Q 8 May 20 2020 Q1 Quarterly report Financial data

Cover Page

Cover Page - shares	3 Months Ended
	Mar. 31, 2020	May 01, 2020
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2020
Document Transition Report	false
Entity File Number	001-36441
Entity Registrant Name	Investors Bancorp, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	46-4702118
Entity Address, Address Line One	101 JFK Parkway,
Entity Address, City or Town	Short Hills,
Entity Address, State or Province	NJ
Entity Address, Postal Zip Code	07078
City Area Code	973
Local Phone Number	924-5100
Title of 12(b) Security	Common
Trading Symbol	ISBC
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		250,166,371
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Central Index Key	0001594012

Consolidated Balance Sheets

Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
ASSETS
Cash and cash equivalents	$ 672,020	$ 174,915
Equity securities	6,140	6,039
Debt securities available-for-sale, at estimated fair value	2,575,446	2,695,390
Debt securities held-to-maturity, net (estimated fair value of $1,169,054 and $1,190,104 at March 31, 2020 and December 31, 2019, respectively)		1,148,815
Debt Securities, Held-To-Maturity, Net Of Allowance For Credit Losses	1,111,525
Loans receivable, net	21,050,096	21,476,056
Loans held-for-sale	36,311	29,797
Federal Home Loan Bank stock	269,127	267,219
Accrued interest receivable	78,451	79,313
Other real estate owned and other repossessed assets	9,551	13,538
Office properties and equipment, net	167,200	169,614
Operating lease right-of-use assets	170,549	175,143
Net deferred tax asset	83,992	64,220
Bank owned life insurance	219,913	218,517
Goodwill and intangible assets	97,635	97,869
Other assets	129,588	82,321
Total assets	26,677,544	26,698,766
Liabilities:
Deposits	18,184,626	17,860,338
Borrowed funds	5,466,663	5,827,111
Advance payments by borrowers for taxes and insurance	149,561	121,719
Operating lease liabilities	181,917	185,827
Other liabilities	100,019	81,821
Total liabilities	24,082,786	24,076,816
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.01 par value, 100,000,000 authorized shares; none issued	0	0
Common stock, $0.01 par value, 1,000,000,000 shares authorized; 359,070,852 issued at March 31, 2020 and December 31, 2019; 247,404,464 and 247,439,902 outstanding at March 31, 2020 and December 31, 2019, respectively	3,591	3,591
Additional paid-in capital	2,826,288	2,822,364
Retained earnings	1,247,028	1,245,793
Treasury stock, at cost; 111,666,388 and 111,630,950 shares at March 31, 2020 and December 31, 2019, respectively	(1,353,246)	(1,352,910)
Unallocated common stock held by the employee stock ownership plan	(77,517)	(78,266)
Accumulated other comprehensive loss	(51,386)	(18,622)
Total stockholders’ equity	2,594,758	2,621,950
Total liabilities and stockholders’ equity	$ 26,677,544	$ 26,698,766

Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Statement of Financial Position [Abstract]
Debt securities held-to-maturity, estimated fair value	$ 1,169,054	$ 1,190,104
Preferred stock, par value (usd per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	100,000,000	100,000,000
Preferred stock, shares issued	0	0
Common stock, par value (usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized	1,000,000,000	1,000,000,000
Common stock, shares issued	359,070,852	359,070,852
Common stock, shares outstanding	247,404,464	247,439,902
Treasury stock, shares	111,666,388	111,630,950

Consolidated Statements of Inco

Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Interest and dividend income:
Loans receivable and loans held-for-sale	$ 224,529	$ 224,890
Securities:
Equity	33	37
Government-sponsored enterprise obligations	306	266
Mortgage-backed securities	22,584	23,630
Municipal bonds and other debt	3,375	2,522
Interest-bearing deposits	840	535
Federal Home Loan Bank stock	4,432	4,337
Total interest and dividend income	256,099	256,217
Interest expense:
Deposits	53,179	65,422
Borrowed funds	29,637	28,117
Total interest expense	82,816	93,539
Net interest income	173,283	162,678
Provision for credit losses	31,226	3,000
Net interest income after provision for credit losses	142,057	159,678
Non-interest income
Fees and service charges	6,026	5,335
Income on bank owned life insurance	1,396	1,577
Gain on loans, net	1,846	433
Gain on securities, net	202	64
Gain on sale of other real estate owned, net	740	224
Other income	4,450	3,561
Total non-interest income	14,660	11,194
Non-interest expense
Compensation and fringe benefits	60,392	60,998
Advertising and promotional expense	2,363	3,612
Office occupancy and equipment expense	15,951	16,171
Federal deposit insurance premiums	4,401	3,300
General and administrative	534	484
Professional fees	3,983	2,940
Data processing and communication	7,792	7,999
Other operating expenses	7,142	7,905
Total non-interest expenses	102,558	103,409
Total before tax	54,159	67,463
Income tax expense	14,647	19,305
Net income	$ 39,512	$ 48,158
Basic earnings per share (usd per share)	$ 0.17	$ 0.18
Diluted earnings per share (usd per share)	$ 0.17	$ 0.18
Weighted average shares outstanding
Basic (shares)	233,262,860	267,664,063
Diluted (shares)	233,632,841	268,269,730

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 39,512	$ 48,158
Other comprehensive (loss) income, net of tax:
Change in funded status of retirement obligations	20	13
Unrealized gains on debt securities available-for-sale	37,628	16,239
Accretion of loss on debt securities reclassified to held to maturity	56	113
Other-than-temporary impairment accretion on debt securities	180	180
Net losses on derivatives	(70,648)	(15,651)
Total other comprehensive (loss) income	(32,764)	894
Total comprehensive income	$ 6,748	$ 49,052

Consolidated Statements of Stoc

Consolidated Statements of Stockholders' Equity - USD ($)	Total	Common stock	Additional paid-in capital	Retained earnings	Treasury stock	Unallocated common stock held by ESOP	Accumulated other comprehensive loss	Cumulative Effect, Period Of Adoption, Adjustment	Cumulative Effect, Period Of Adoption, AdjustmentRetained earnings
Balance, beginning of period at Dec. 31, 2018	$ 3,005,330,000	$ 3,591,000	$ 2,805,423,000	$ 1,173,897,000	$ (884,750,000)	$ (81,262,000)	$ (11,569,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	48,158,000			48,158,000
Other comprehensive income, net of tax	894,000						894,000
Purchase of treasury stock	(73,732,000)				(73,732,000)
Treasury stock allocated to restricted stock plan	0		(1,511,000)	50,000	1,461,000
Compensation cost for stock options and restricted stock	4,573,000		4,573,000
Exercise of stock options	168,000		(65,000)		233,000
Restricted stock forfeitures	0		1,731,000	(94,000)	(1,637,000)
Cash dividend paid	(30,991,000)			(30,991,000)
ESOP shares allocated or committed to be released	1,430,000		681,000			749,000
Balance, end of period at Mar. 31, 2019	2,955,830,000	3,591,000	2,810,832,000	1,191,020,000	(958,425,000)	(80,513,000)	(10,675,000)
Balance, beginning of period at Dec. 31, 2019	2,621,950,000	3,591,000	2,822,364,000	1,245,793,000	(1,352,910,000)	(78,266,000)	(18,622,000)	$ (8,491,000)	$ (8,491,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	39,512,000			39,512,000
Other comprehensive income, net of tax	(32,764,000)						(32,764,000)
Purchase of treasury stock	(932,000)				(932,000)
Treasury stock allocated to restricted stock plan	0		(700,000)	(90,000)	790,000
Compensation cost for stock options and restricted stock	3,896,000		3,896,000
Restricted stock forfeitures	0		197,000	(3,000)	(194,000)
Cash dividend paid	(29,693,000)			(29,693,000)
ESOP shares allocated or committed to be released	1,280,000		531,000			749,000
Balance, end of period at Mar. 31, 2020	$ 2,594,758,000	$ 3,591,000	$ 2,826,288,000	$ 1,247,028,000	$ (1,353,246,000)	$ (77,517,000)	$ (51,386,000)

Consolidated Statements of St_2

Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Statement of Stockholders' Equity [Abstract]
Purchase of treasury stock (shares)	84,389	6,208,379
Treasury stock allocated to restricted stock plan (shares)	64,923	119,663
Cash dividend paid (usd per share)	$ 0.12	$ 0.11
Restricted stock forfeitures (shares)	15,973	137,066

Consolidated Statements of Cash

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net income	$ 39,512	$ 48,158
Adjustments to reconcile net income to net cash provided by operating activities:
ESOP and stock-based compensation expense	5,176	6,003
Amortization of premiums and accretion of discounts on securities, net	2,204	1,822
Amortization of premiums and accretion of fees and costs on loans, net	(316)	(2,063)
Amortization of other intangible assets	286	399
Amortization of debt modification costs	591	0
Provision for credit losses	31,226	3,000
Depreciation and amortization of office properties and equipment	5,279	4,667
Gain on securities, net	(202)	(64)
Mortgage loans originated for sale	(90,738)	(27,556)
Proceeds from mortgage loan sales	85,802	25,226
Gain on sales of mortgage loans, net	(1,579)	(423)
Gain on sale of other real estate owned	(740)	(224)
Income on bank owned life insurance	(1,396)	(1,577)
Amortization of operating lease right-of-use assets	4,830	3,180
Decrease (increase) in accrued interest receivable	862	(4,916)
Deferred tax (benefit) expense	(829)	3,637
Increase in other assets	(47,339)	(11,152)
Decrease in other liabilities	(100,282)	(31,565)
Net cash (used in) provided by operating activities	(67,653)	16,552
Cash flows from investing activities:
Purchases of loans receivable	(60,000)	(91,265)
Net payoffs (originations) of loans receivable	450,712	(36,517)
Proceeds from disposition of loans receivable	12,896	636
Gain on disposition of loans receivable	(267)	(10)
Gain on disposition of leased equipment	266
Net proceeds from sale of other real estate owned	4,510	1,308
Proceeds from principal repayments/calls/maturities of debt securities available for sale	167,284	69,023
Proceeds from principal repayments/calls/maturities of debt securities held to maturity	68,414	57,219
Purchases of equity securities	(23)	(23)
Purchases of debt securities available for sale	0	(83,282)
Purchases of debt securities held-to-maturity	(33,807)	(18,501)
Proceeds from redemptions of Federal Home Loan Bank stock	58,134	71,276
Purchases of Federal Home Loan Bank stock	(60,042)	(69,991)
Purchases of office properties and equipment	(2,865)	(4,700)
Net cash provided by (used in) investing activities	604,680	(104,827)
Cash flows from financing activities:
Net increase in deposits	324,288	49,730
Repayments of principal under finance leases	(388)	0
Net (decrease) increase in borrowed funds	(361,000)	113,906
Principal applied on affordable housing project advance	(39)	0
Net increase in advance payments by borrowers for taxes and insurance	27,842	18,386
Dividends paid	(29,693)	(30,991)
Exercise of stock options	0	168
Purchase of treasury stock	(932)	(73,732)
Net cash (used in) provided by financing activities	(39,922)	77,467
Net increase (decrease) in cash and cash equivalents	497,105	(10,808)
Cash and cash equivalents at beginning of period	174,915	196,891
Cash and cash equivalents at end of period	672,020	186,083
Non-cash investing activities:
Real estate acquired through foreclosure and other assets repossessed	0	1,245
Cash paid during the year for:
Interest	83,725	95,114
Income taxes	3,100	3,921
Significant non-cash transactions:
Initial recognition of operating lease right-of-use assets	0	193,290
Initial recognition of operating lease liabilities	0	200,694
Right-of-use assets obtained in exchange for new lease liabilities	$ 558	$ 18

Summary of Significant Accounti

Summary of Significant Accounting Principles	3 Months Ended
	Mar. 31, 2020
Accounting Policies [Abstract]
Summary of Significant Accounting Principles	Summary of Significant Accounting Principles Basis of Presentation The consolidated financial statements are comprised of the accounts of Investors Bancorp, Inc. and its wholly owned subsidiary, Investors Bank (the “Bank”) and the Bank’s wholly-owned subsidiaries (collectively, the “Company”). In the opinion of management, all the adjustments (consisting of normal and recurring adjustments) necessary for the fair presentation of the consolidated financial condition and the consolidated results of operations for the unaudited periods presented have been included. The results of operations and other data presented for the three months ended March 31, 2020 are not necessarily indicative of the results of operations that may be expected for subsequent periods or the full year results. Certain information and note disclosures usually included in financial statements prepared in accordance with U.S. generally accepted accounting principles (“U.S. GAAP”) have been condensed or omitted pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”) for the preparation of the Form 10-Q. The consolidated financial statements presented should be read in conjunction with the Company’s audited consolidated financial statements and notes to the audited consolidated financial statements included in the Company’s December 31, 2019 Annual Report on Form 10-K. Certain reclassifications have been made in the consolidated financial statements to conform with current year classifications. Adoption of New Accounting Standards On January 1, 2020, the Company adopted ASU 2016-13, “Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments”, which replaces the incurred loss methodology with an expected loss methodology that is referred to as the current expected credit loss (CECL) methodology. The Company adopted ASU 2016-13 using a modified retrospective approach. Results for reporting periods beginning after January 1, 2020 are presented under Topic 326, while prior period amounts continue to be reported in accordance with previously applicable GAAP. At adoption, the Company increased its allowance for credit losses by $11.7 million , comprised of $12.7 million and $2.6 million , respectively, for unfunded commitments and held-to-maturity debt securities, partially offset by a decrease of $3.6 million for loans. Upon adoption the Company recorded a cumulative effect adjustment that reduced stockholders’ equity by $8.5 million , net of tax. Allowance for Credit Losses The allowance for credit losses includes both the allowance for loan and lease losses and the reserve for unfunded lending commitments and represents the estimated amount considered necessary to cover lifetime expected credit losses inherent in financial assets at the balance sheet date. The measurement of expected credit losses is applicable to financial assets measured at amortized cost, including loan receivables and held-to-maturity debt securities. It also applies to off-balance sheet credit exposures such as loan commitments and unused lines of credit. The allowance is established through the provision for credit losses that is charged against income. The methodology for determining the allowance for credit losses is considered a critical accounting policy by management because of the high degree of judgment involved, the subjectivity of the assumptions used, and the potential for changes in the forecasted economic environment that could result in changes to the amount of the recorded allowance for credit losses. The allowance for loan and security losses is reported separately as contra-assets to loans and securities on the consolidated balance sheet. The expected credit loss for unfunded lending commitments and unfunded loan commitments is reported on the consolidated balance sheet in other liabilities. The provision for credit losses related to loans, unfunded commitments and debt securities is reported on the consolidated statement of income. Allowance for Credit Losses On Loans Receivable The allowance for credit losses on loans is deducted from the amortized cost basis of the loan to present the net amount expected to be collected. Expected losses are evaluated and calculated on a collective basis for those loans which share similar risk characteristics. At each reporting period, the Company evaluates whether the loans in a pool continue to exhibit similar risk characteristics as the other loans in the pool. If the risk characteristics of a loan change, such that they are no longer similar to other loans in the pool, the Company will evaluate the loan with a different pool of loans that share similar risk characteristics. If the loan does not share risk characteristics with other loans, the Company will evaluate the allowance on an individual basis. The Company evaluates the segmentation at least annually to determine whether loans continue to share similar risk characteristics. Loans are charged off against the allowance when the Company believes the loan balances become uncollectible. Expected recoveries do not exceed the aggregate of amounts previously charged off or expected to be charged off. The Company has chosen to segment its portfolio consistent with the manner in which it manages the risk of the type of credit. The Company’s segments for loans include multi-family, commercial real estate, commercial and industrial, construction, residential and consumer. The Company calculates estimated credit loss on its loan portfolio typically using a probability of default and loss given default quantitative model methodology. The point in time probability of default and loss given default are then conditioned by macroeconomic scenarios to incorporate reasonable and supportable forecasts that affect the collectability of the reported amount. For a small portion of the loan portfolio, i.e. unsecured consumer loans, small business loans and loans to individuals, the Company utilizes a loss rate method to calculate the expected credit loss of that asset segment. The Company estimates the allowance for credit losses on loans using relevant available information from internal and external sources related to past events and current conditions as well as the incorporation of reasonable and supportable forecasts. The Company evaluates the use of multiple economic scenarios and the weighting of those scenarios on a quarterly basis. The scenarios that are chosen and the amount of weighting given to each scenario depend on a variety of factors including third party economists and firms, industry trends and other available published economic information. After the reasonable and supportable forecast period, the Company reverts to average historical losses. Expected credit losses are estimated over the contractual term of the loans, adjusted for expected prepayments when appropriate. The contractual term excludes expected extensions, renewals, and modifications unless either of the following applies: management has a reasonable expectation at the reporting date that a troubled debt restructuring will be executed with an individual borrower or the extension or renewal options are included in the original or modified contract at the reporting date and are not unconditionally cancelable by the Company. Also included in the allowance for loans are qualitative reserves to cover losses that are expected but, in the Company’s assessment, may not be adequately represented in the quantitative method or the economic assumptions described above. For example, factors that the Company considers include changes in lending policies and procedures, business conditions, the nature and size of the portfolio, portfolio concentrations, the volume and severity of past due loans and non-accrual loans, the effect of external factors such as competition, and the legal and regulatory requirements, among other. Furthermore, the Company considers the inherent uncertainty in quantitative models that are built on historical data. Individually evaluated On a case-by-case basis, the Company may conclude a loan should be evaluated on an individual basis based on its disparate risk characteristics. The Company individually evaluates loans that meet the following criteria for expected credit loss, as the Company has determined that these loans generally do not share similar risk characteristics with other loans in the portfolio: • Commercial loans with an outstanding balance greater than $1.0 million and on non-accrual status; • Troubled debt restructured loans; and • Other commercial loans with greater than $1.0 million in outstanding principal, if management has specific information that it is probable they will not collect all principal amounts due under the contractual terms of the loan agreement. When the Company determines that the loan no longer shares similar risk characteristics of other loans in the portfolio, the allowance will be determined on an individual basis using the present value of expected cash flows or, for collateral-dependent loans, the fair value of the collateral as of the reporting date, less estimated selling costs, as applicable, to ensure that the credit loss is not delayed until actual loss. If the fair value of the collateral is less than the amortized cost basis of the loan, the Company will charge off the difference between the fair value of the collateral, less costs to sell at the reporting date and the amortized cost basis of the loan. Acquired assets Acquired assets are included in the Company's calculation of the allowance for credit losses. How the allowance on an acquired asset is recorded depends on whether or not it has been classified as a Purchased Financial Asset with Credit Deterioration (“PCD”). PCD assets are assets acquired at a discount that is due, in part, to credit quality. PCD assets are accounted for in accordance with ASC Subtopic 326-20 and are initially recorded at fair value as determined by the sum of the present value of expected future cash flows and an allowance for credit losses at acquisition. The allowance for PCD assets is recorded through a gross-up effect, while the allowance for acquired non-PCD assets such as loans is recorded through provision expense, consistent with originated loans. Thus, the determination of which assets are PCD and non-PCD can have a significant effect on the accounting for these assets. Subsequent to acquisition, the allowance for PCD loans will generally follow the same estimation, provision and charge-off process as non-PCD acquired and originated loans. Additionally, TDR identification for acquired loans (PCD and non-PCD) will be consistent with the TDR identification for originated loans. Allowance for Credit Losses On Debt Securities Management measures expected credit losses on held-to-maturity debt securities on a collective basis by major security type. Management classifies the held-to-maturity portfolio into the following major security types: mortgage-backed residential securities, municipal bonds, trust preferred securities (“TruPs”) and other. Nearly all of the mortgage-backed securities in the Company's portfolio are issued by U.S. government agencies and are either explicitly or implicitly guaranteed by the U.S government, are highly rated by major rating agencies and have a long history of no credit losses and therefore the expectation of non-payment is zero. Other securities consist primarily of investments in pooled trust preferred securities. At each reporting period, the Company evaluates whether the securities in a segment continue to exhibit similar risk characteristics as the other securities in the segment. If the risk characteristics of a security change, such that they are no longer similar to other securities in the segment, the Company will evaluate the security with a different segment that shares more similar risk characteristics. In estimating the net amount expected to be collected for mortgage-backed residential securities and municipal bonds, a range of historical losses method is utilized. In estimating the net amount expected to be collected for TruPs, the Company employs a single scenario forecast methodology. The scenario is informed by historical industry default data as well as current and near term operating conditions for the banks and other financial institutions that are the underlying issuers. In addition, prepayment assumptions are included in the analysis of the individually assessed TruPs applied at the collateral level. Allowance for Credit Losses On Off-Balance Sheet Credit Exposures The Company is required to include the unfunded commitment that is expected to be funded in the future within the allowance calculation. The Company participates in lending that results in an off-balance sheet unfunded commitment balance. The Company currently underwrites funding commitments with conditionally cancelable language. To determine the expected funding balance remaining, the Company uses a historical utilization rate for each of the segments to calculate the expected commitment balance. The reserve percentage for each respective loan portfolio is applied to the remaining unused portion of the expected commitment balance and the expected funded commitment in determining the allowance for credit loss on off-balance sheet credit exposures. Troubled Debt Restructuring

Stock Transactions

Stock Transactions	3 Months Ended
	Mar. 31, 2020
Equity [Abstract]
Stock Transactions	Stock Transactions Stock Repurchase Program On October 25, 2018, the Company announced its fourth share repurchase program, which authorized the purchase of 10% of its publicly-held outstanding shares of common stock, or 28,886,780 shares. The fourth program commenced immediately upon completion of the third program on December 10, 2018 and remains the Company’s current program as of March 31, 2020 . During the three months ended March 31, 2020 , the Company purchased 84,389 shares at a cost of approximately $932,000 , or $11.04 per share. All shares purchased during the three months ended March 31, 2020 were purchased in connection with the vesting of shares of restricted stock under our 2015 Equity Incentive Plan and the withholding of shares to pay income taxes. These shares are repurchased pursuant to the terms of the 2015 Equity Incentive Plan and therefore are not part of the Company’s repurchase program.

Business Combinations

Business Combinations	3 Months Ended
	Mar. 31, 2020
Business Combinations [Abstract]
Business Combinations	Business Combinations Gold Coast Bancorp On July 24, 2019, the Company and Gold Coast Bancorp, Inc. (“Gold Coast”) signed a definitive merger agreement under which the Company will acquire Gold Coast. Consideration will be paid to Gold Coast stockholders in a combination of stock and cash. Under the terms of the merger agreement, 50% of the common shares of Gold Coast will be converted into Investors Bancorp common stock and the remaining 50% will be exchanged for cash. For each share of Gold Coast Bancorp common stock, Gold Coast shareholders will have the option to receive either (i) 1.422 shares of Investors Bancorp common stock, $0.01 par value per share, (ii) a cash payment of $15.75 , or (iii) a combination of Investors Bancorp common stock and cash. The foregoing is subject to proration to ensure that, in the aggregate, 50% of Gold Coast’s shares will be converted into Investors Bancorp common stock. The transaction is not reflected in the Consolidated Financial Statements as the transaction was completed in April 2020. See Note 18 - Subsequent Events for more information on this transaction.

Earnings Per Share

Earnings Per Share	3 Months Ended
	Mar. 31, 2020
Earnings Per Share [Abstract]
Earnings Per Share	Earnings Per Share The following is a summary of our earnings per share calculations and reconciliation of basic to diluted earnings per share. For the Three Months Ended March 31, 2020 2019 (Dollars in thousands, except per share data) Earnings for basic and diluted earnings per common share Earnings applicable to common stockholders $ 39,512 $ 48,158 Shares Weighted-average common shares outstanding - basic 233,262,860 267,664,063 Effect of dilutive common stock equivalents (1) 369,981 605,667 Weighted-average common shares outstanding - diluted 233,632,841 268,269,730 Earnings per common share Basic $ 0.17 $ 0.18 Diluted $ 0.17 $ 0.18 (1) For the three months ended March 31, 2020 and 2019 , there were 5,798,379 and 10,278,975 equity awards, respectively, that could potentially dilute basic earnings per share in the future that were not included in the computation of diluted earnings per share because to do so would have been anti-dilutive for the periods presented.

Securities

Securities	3 Months Ended
	Mar. 31, 2020
Investments, Debt and Equity Securities [Abstract]
Securities	Securities Equity Securities Equity securities are reported at fair value on the Company’s Consolidated Balance Sheets. The Company’s portfolio of equity securities had an estimated fair value of $6.1 million and $6.0 million as of March 31, 2020 and December 31, 2019 , respectively. Realized gains and losses from sales of equity securities as well as changes in fair value of equity securities still held at the reporting date are recognized in the Consolidated Statements of Income. The following table presents the disaggregated net gains on equity securities reported in the Consolidated Statements of Income: For the Three Months Ended March 31, 2020 2019 (In thousands) Net gains recognized on equity securities $ 78 64 Less: Net gains recognized on equity securities sold — — Unrealized gains recognized on equity securities $ 78 64 Debt Securities The following tables present the carrying value, gross unrealized gains and losses, and estimated fair value for available-for-sale debt securities and the amortized cost, net unrealized losses, carrying value, gross unrecognized gains and losses, estimated fair value and allowance for credit losses for held-to-maturity debt securities as of the dates indicated. At March 31, 2020 Carrying value Gross unrealized gains Gross unrealized losses Estimated fair value (In thousands) Available-for-sale: Mortgage-backed securities: Federal Home Loan Mortgage Corporation $ 1,145,187 37,179 3,150 1,179,216 Federal National Mortgage Association 1,085,924 45,411 19 1,131,316 Government National Mortgage Association 256,245 8,669 — 264,914 Total debt securities available-for-sale $ 2,487,356 91,259 3,169 2,575,446 At March 31, 2020 Amortized cost Net unrealized losses (1) Carrying value Gross unrecognized gains (2) Gross unrecognized losses (2) Estimated fair value (In thousands) Held-to-maturity: Debt securities: Government-sponsored enterprises $ 42,195 — 42,195 2,796 — 44,991 Municipal bonds 164,196 — 164,196 5,311 365 169,142 Corporate and other debt securities 87,702 14,535 73,167 16,641 1,867 87,941 Total debt securities held-to-maturity 294,093 14,535 279,558 24,748 2,232 302,074 Mortgage-backed securities: Federal Home Loan Mortgage Corporation 251,101 117 250,984 8,617 — 259,601 Federal National Mortgage Association 519,444 316 519,128 20,484 — 539,612 Government National Mortgage Association 64,850 — 64,850 2,917 — 67,767 Total mortgage-backed securities held-to-maturity 835,395 433 834,962 32,018 — 866,980 Total debt securities held-to-maturity $ 1,129,488 14,968 1,114,520 56,766 2,232 1,169,054 Allowance for credit losses 2,995 Total debt securities held-to-maturity, net of allowance for credit losses 1,111,525 (1) Net unrealized losses of held-to-maturity corporate and other debt securities represent the previously recorded other than temporary charge related to other non-credit factors and is being amortized through accumulated other comprehensive income over the remaining life of the securities. For mortgage-backed securities, it represents the net loss on previously designated available-for sale debt securities transferred to held-to-maturity at fair value and is being amortized through accumulated other comprehensive income over the remaining life of the securities. (2) Unrecognized gains and losses of held-to-maturity debt securities are not reflected in the financial statements, as they represent fair value fluctuations from the later of: (i) the date a security is designated as held-to-maturity; or (ii) the date that an other than temporary impairment charge is recognized on a held-to-maturity security, through the date of the balance sheet. Effective January 1, 2020, held-to-maturity debt securities are evaluated for credit losses to determine if an allowance is necessary. Any allowance required is recorded through the provision for credit losses. At December 31, 2019 Carrying value Gross unrealized gains Gross unrealized losses Estimated fair value (In thousands) Available-for-sale: Mortgage-backed securities: Federal Home Loan Mortgage Corporation $ 1,223,587 17,528 736 1,240,379 Federal National Mortgage Association 1,159,446 18,917 314 1,178,049 Government National Mortgage Association 273,676 3,333 47 276,962 Total debt securities available-for-sale $ 2,656,709 39,778 1,097 2,695,390 At December 31, 2019 Amortized cost Net unrealized losses (1) Carrying value Gross unrecognized gains (2) Gross unrecognized losses (2) Estimated fair value (In thousands) Held-to-maturity: Debt securities: Government-sponsored enterprises $ 58,624 — 58,624 188 500 58,312 Municipal bonds 143,151 — 143,151 3,797 43 146,905 Corporate and other debt securities 87,322 14,785 72,537 26,158 — 98,695 Total debt securities held-to-maturity 289,097 14,785 274,312 30,143 543 303,912 Mortgage-backed securities: Federal Home Loan Mortgage Corporation 262,079 134 261,945 3,533 129 265,349 Federal National Mortgage Association 542,583 373 542,210 7,959 307 549,862 Government National Mortgage Association 70,348 — 70,348 633 — 70,981 Total mortgage-backed securities held-to-maturity 875,010 507 874,503 12,125 436 886,192 Total debt securities held-to-maturity $ 1,164,107 15,292 1,148,815 42,268 979 1,190,104 (1) Net unrealized losses of held-to-maturity corporate and other debt securities represent the other than temporary charge related to other non-credit factors and is being amortized through accumulated other comprehensive income over the remaining life of the securities. For mortgage-backed securities, it represents the net loss on previously designated available-for sale debt securities transferred to held-to-maturity at fair value and is being amortized through accumulated other comprehensive income over the remaining life of the securities. (2) Unrecognized gains and losses of held-to-maturity debt securities are not reflected in the financial statements, as they represent fair value fluctuations from the later of: (i) the date a security is designated as held-to-maturity; or (ii) the date that an other than temporary impairment charge is recognized on a held-to-maturity security, through the date of the balance sheet. Gross unrealized losses on debt securities and the estimated fair value of the related securities, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position at March 31, 2020 and December 31, 2019 , were as follows: March 31, 2020 Less than 12 months 12 months or more Total Estimated fair value Unrealized losses Estimated fair value Unrealized losses Estimated fair value Unrealized losses (In thousands) Available-for-sale: Mortgage-backed securities: Federal Home Loan Mortgage Corporation $ 192,879 3,150 — — 192,879 3,150 Federal National Mortgage Association 12,447 19 — — 12,447 19 Total debt securities available-for-sale 205,326 3,169 — — 205,326 3,169 Held-to-maturity: Debt securities: Municipal bonds 34,049 365 — — 34,049 365 Corporate and other debt securities 26,507 1,867 — — 26,507 1,867 Total debt securities held-to-maturity 60,556 2,232 — — 60,556 2,232 Total $ 265,882 5,401 — — 265,882 5,401 December 31, 2019 Less than 12 months 12 months or more Total Estimated fair value Unrealized losses Estimated fair value Unrealized losses Estimated fair value Unrealized losses (In thousands) Available-for-sale: Mortgage-backed securities: Federal Home Loan Mortgage Corporation $ 215,160 736 — — 215,160 736 Federal National Mortgage Association 80,298 297 12,972 17 93,270 314 Government National Mortgage Association 20,078 47 — — 20,078 47 Total debt securities available-for-sale 315,536 1,080 12,972 17 328,508 1,097 Held-to-maturity: Debt securities: Government-sponsored enterprises 31,696 500 — — 31,696 500 Municipal bonds 23,596 43 — — 23,596 43 Total debt securities held-to-maturity 55,292 543 — — 55,292 543 Mortgage-backed securities: Federal Home Loan Mortgage Corporation 20,860 64 11,065 65 31,925 129 Federal National Mortgage Association 7,911 52 37,316 255 45,227 307 Total mortgage-backed securities held-to-maturity 28,771 116 48,381 320 77,152 436 Total debt securities held-to-maturity 84,063 659 48,381 320 132,444 979 Total $ 399,599 1,739 61,353 337 460,952 2,076 We conduct periodic reviews of individual securities to assess whether an allowance for credit loss is required. Held-to-maturity debt securities are evaluated for expected credit loss utilizing a historical loss methodology, or a discounted cash flows approach which is assessed against the book value of the investment security excluding accrued interest. Refer to Note 1, Summary of Significant Accounting Principles, for additional information. Available-for-sale debt securities are evaluated to determine if a decline in fair value below the amortized cost basis has resulted from a credit loss or other factors. An impairment related to credit factors would be recorded through an allowance for credit losses. The allowance is limited to the amount by which the security’s amortized cost basis exceeds the fair value. An impairment that has not been recorded through an allowance for credit losses shall be recorded through other comprehensive income, net of applicable taxes. Investment securities will be written down to fair value through the consolidated statement of income when management intends to sell (or may be required to sell) the securities before they recover in value. The majority of our held-to-maturity debt securities portfolio is comprised of agency mortgage-backed securities. For agency (FNMA, FGLMC and GNMA) mortgage-backed securities, and other agency debt instruments, the expectation of non-payment is zero. The timely payment of principal and interest on FNMA and FGLMC securities is guaranteed by each corporation. As each of these corporations is in conservatorship with the federal government, the payment guarantees are considered implicit obligations of the US government. GNMA securities carry the full faith and credit guarantee of the federal government. Because of the existence of government guarantees of timely payment of principal and interest, expected losses on agency securities are assumed to be zero. Changes in the fair value of agency securities in this portfolio are primarily driven by changes in interest rates and other non-credit related factors. At March 31, 2020 , our held-to-maturity debt securities portfolio had an allowance for credit losses of $3.0 million . The allowance is related to non-agency corporate and other debt securities. The majority of the allowance is related to a portfolio of collateralized debt obligations backed by pooled trust preferred securities (“TruPs”), principally issued by banks and to a lesser extent insurance companies and real estate investment trusts. At March 31, 2020 , the TruPs had a carrying value before allowance for credit losses and estimated fair value of $48.2 million and $63.1 million , respectively. The Company does not have the intent to sell these securities and does not believe it is more likely than not that the Company will be required to sell these securities before a recovery of amortized cost. At March 31, 2020 , the entire available-for-sale debt securities portfolio was comprised of agency securities. As such, the unrealized losses in this portfolio are primarily driven by changes in interest rates and other non-credit related factors. The Company does not have the intent to sell these securities and does not believe it is more likely than not that the Company will be required to sell these securities before a recovery of amortized cost. As of March 31, 2020 , there is no allowance for credit losses related to the Company’s available-for-sale debt securities as the decline in fair value did not result from credit issues. For additional information about the review of securities under previous other-than-temporary impairment guidance, refer to page 82 in Note 4 to the consolidated financial statements included under Item 15. Exhibits and Financial Statement Schedules in the Company’s December 31, 2019 Form 10-K. Debt securities with a carrying value before allowance for credit losses of $1.08 billion and an estimated fair value of $1.11 billion are pledged to secure borrowings and municipal deposits. The contractual maturities of the Bank’s mortgage-backed securities are generally less than 20 years with effective lives expected to be shorter due to prepayments. Expected maturities may differ from contractual maturities due to underlying loan prepayments or early call privileges of the issuer; therefore, mortgage-backed securities are not included in the following table. Excluding the allowance for credit losses, the amortized cost and estimated fair value of debt securities other than mortgage-backed securities at March 31, 2020 , by contractual maturity, are shown below. March 31, 2020 Carrying value Estimated fair value (In thousands) Due in one year or less $ 3,079 3,079 Due after one year through five years — — Due after five years through ten years 38,853 40,250 Due after ten years 237,626 258,745 Total $ 279,558 302,074 Realized Gains and Losses Gains and losses on the sale of all securities are determined using the specific identification method. For the three months ended March 31, 2020 , there were no sales of equity or debt securities; however, the Company received proceeds of $16.5 million from the call of a held-to-maturity security which resulted in a gain of $124,000 . The Company recognized net unrealized gains on equity securities of $78,000 for the three months ended March 31, 2020 . For the three months ended March 31, 2019 , there were no sales of equity or debt securities. The Company recognized net unrealized gains on equity securities of $64,000 for the three months ended March 31, 2019 .

Loans Receivable, Net

Loans Receivable, Net	3 Months Ended
	Mar. 31, 2020
Receivables [Abstract]
Loans Receivable, Net	Loans Receivable, Net The Company adopted the CECL methodology for measuring credit losses as of January 1, 2020. All disclosures as of and for the three months ended March 31, 2020 are presented in accordance with Topic 326. The Company did not recast comparative financial periods and has presented those disclosures under previously applicable GAAP. The detail of the loan portfolio as of March 31, 2020 and December 31, 2019 was as follows: March 31, December 31, (In thousands) Multi-family loans $ 7,619,676 7,813,236 Commercial real estate loans 4,682,009 4,831,347 Commercial and industrial loans 3,055,501 2,951,306 Construction loans 274,588 262,866 Total commercial loans 15,631,774 15,858,755 Residential mortgage loans 4,955,755 5,144,718 Consumer and other loans 698,580 699,796 Total loans 21,286,109 21,703,269 Deferred fees, premiums and other, net (1) 7,275 907 Allowance for credit losses (243,288 ) (228,120 ) Net loans $ 21,050,096 21,476,056 (1) Included in deferred fees and premiums are accretable purchase accounting adjustments in connection with loans acquired and an adjustment to the carrying amount of the residential loans hedged. The Company has lending policies and procedures that provide target market, underwriting and other criteria for identified lending segments to codify the level of credit risk the Company is willing to accept. Approval authority levels are delegated to qualified individuals and approval bodies for the extension of credit within the guidance of these policies and procedures. In addition, the Company maintains an independent loan review department that reviews and validates risk assessment on a continual basis. The Company assigns ratings to borrowers and transactions based on the assessment of a borrower’s ability to service their debt based on relevant information such as: current financial information, historical payment experience, credit documentation, public information and current economic trends, among other factors. In connection with the adoption of Topic 326 on January 1, 2020, the Company implemented new risk rating models for borrowers and transactions within its commercial loan portfolio. The risk rating methodology transitioned to a dual risk rating framework which bifurcates ratings into probability of default (PD) and loss given default (LGD). Relevant risks are evaluated prior to approving a transaction to determine if the transaction is within the Company’s risk appetite and the appropriate rating. Strong credit analysis requires current, reliable financial information and documented assessment of the customer’s: • ability to perform in accordance with the terms of the credit, including adherence to covenants; • assets and liabilities, liquidity, net worth, and contingent and other off-balance sheet items; • tax liabilities; • cash reserves and ability to convert assets to cash; • income statement and the sources, level, stability, and quality of earnings: • projected performance, sensitized for stressed circumstances; and • industry performance relative to peers and industry. Each commercial credit facility is assigned a PD and LGD rating for the purpose of informing a credit decision, facilitating the determination of the expected level of credit loss and other portfolio management activities (as well as relationship profitability). The dual risk rating framework and risk rating methodologies allow for consistent determination of risk across the Commercial business as indicated by the risk rating assigned. The methodology used by the Bank applies the same criteria for identification of a credit as for the regulatory definitions of risk ratings: Pass - “Pass” assets are well protected by the current net worth and paying capacity of the obligor (or guarantors, if any) or by the fair value, less cost to acquire and sell, of any underlying collateral in a timely manner. Watch - A “Watch” asset has all the characteristics of a Pass asset but warrants more than the normal level of supervision. These loans may require more detailed reporting to management because some aspects of underwriting may not conform to policy or adverse events may have affected or could affect the cash flow or ability to continue operating profitably, provided, however, the events do not constitute an undue credit risk. Residential and consumer loans delinquent 30 - 59 days are considered watch if not a troubled debt restructuring (“TDR”). Special Mention - A “Special Mention” asset has potential weaknesses that deserve management’s close attention. If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the asset or in the institution’s credit position at some future date. Special Mention assets are not adversely classified and do not expose an institution to sufficient risk to warrant adverse classification. Residential and consumer loans delinquent 60 - 89 days are considered special mention if not a TDR. Substandard - A “Substandard” asset is inadequately protected by the current worth and paying capacity of the obligor or by the collateral pledged, if any. Assets so classified must have a well-defined weakness, or weaknesses that jeopardize the liquidation of the debt. They are characterized by the distinct possibility that the institution will sustain some loss if the deficiencies are not corrected. Residential and consumer loans delinquent 90 days or greater as well as TDRs are considered substandard. Doubtful - An asset classified “Doubtful” has all the weaknesses inherent in one classified substandard with the added characteristic that the weaknesses make collection or liquidation in full highly questionable and improbable on the basis of currently known facts, conditions, and values. Loss - An asset or portion thereof, classified “Loss” is considered uncollectible and of such little value that its continuance on the institution’s books as an asset, without establishment of a specific valuation allowance or charge-off, is not warranted. This classification does not necessarily mean that an asset has no recovery or salvage value; but rather, there is much doubt about whether, how much, or when the recovery will occur. As such, it is not practical or desirable to defer the write-off. The following tables presents the risk category of loans as of March 31, 2020 and December 31, 2019 by class of loan: Term Loans by Origination Year 2020 2019 2018 2017 2016 Prior Revolving Loans Total (In thousands) Multi-family Pass 219,004 767,974 1,410,733 815,118 1,375,990 2,265,686 12,434 6,866,939 Watch 7,160 18,773 70,644 106,416 52,957 178,850 202 435,002 Special mention — — 7,497 6,526 45,627 31,035 — 90,685 Substandard — — — 6,281 48,824 171,448 497 227,050 Total Multi-family 226,164 786,747 1,488,874 934,341 1,523,398 2,647,019 13,133 7,619,676 Commercial real estate Pass 128,867 853,834 759,383 517,293 619,812 1,445,920 22,391 4,347,500 Watch 5,750 — 4,528 18,170 35,002 27,939 — 91,389 Special mention — — — 6,072 12,784 59,914 — 78,770 Substandard — 1,000 2,357 15,568 13,897 131,528 — 164,350 Total Commercial real estate 134,617 854,834 766,268 557,103 681,495 1,665,301 22,391 4,682,009 Commercial and industrial Pass 213,051 844,283 416,862 186,638 203,740 488,618 251,751 2,604,943 Watch 10,728 45,596 35,063 79,411 16,460 51,367 11,360 249,985 Special mention — — 35,899 22,932 — 37,997 4,438 101,266 Substandard 212 4,047 24,000 3,752 26,335 24,787 16,174 99,307 Total Commercial and industrial 223,991 893,926 511,824 292,733 246,535 602,769 283,723 3,055,501 Construction Pass 13,096 40,974 75,642 20,264 — 8,975 80,445 239,396 Watch 8,560 — — — — — 8,321 16,881 Special mention — — — — — — — — Substandard — — — — — — 18,311 18,311 Construction 21,656 40,974 75,642 20,264 — 8,975 107,077 274,588 Residential mortgage Pass 82,520 640,248 687,947 760,168 512,627 2,200,254 — 4,883,764 Watch — 703 — 1,946 782 13,832 — 17,263 Special mention — — 520 — 1,114 4,053 — 5,687 Substandard — — 399 458 780 47,299 105 49,041 Total residential mortgage 82,520 640,951 688,866 762,572 515,303 2,265,438 105 4,955,755 Consumer and other Pass 1,210 10,751 7,683 10,126 12,471 74,615 568,994 685,850 Watch — — — — 184 463 7,402 8,049 Special mention — — — — 128 — 1,984 2,112 Substandard — — — — — 1,921 648 2,569 Consumer and other 1,210 10,751 7,683 10,126 12,783 76,999 579,028 698,580 Total $ 690,158 3,228,183 3,539,157 2,577,139 2,979,514 7,266,501 1,005,457 21,286,109 December 31, 2019 Pass Watch Special Mention Substandard Doubtful Loss Total (In thousands) Commercial loans: Multi-family $ 6,326,412 942,438 167,748 376,638 — — 7,813,236 Commercial real estate 4,023,642 489,514 118,426 199,765 — — 4,831,347 Commercial and industrial 2,031,148 693,397 111,389 115,372 — — 2,951,306 Construction 169,236 75,319 — 18,311 — — 262,866 Total commercial loans 12,550,438 2,200,668 397,563 710,086 — — 15,858,755 Residential mortgage 5,074,334 14,414 5,429 50,541 — — 5,144,718 Consumer and other 687,302 9,157 1,174 2,163 — — 699,796 Total $ 18,312,074 2,224,239 404,166 762,790 — — 21,703,269 The following tables present the payment status of the recorded investment in past due loans as of March 31, 2020 and December 31, 2019 by class of loans: March 31, 2020 30-59 Days 60-89 Days Greater than 90 Days Total Past Due Current Total Loans Receivable (In thousands) Commercial loans: Multi-family $ 59,157 — 22,206 81,363 7,538,313 7,619,676 Commercial real estate 23,871 322 3,698 27,891 4,654,118 4,682,009 Commercial and industrial 6,119 5,176 7,792 19,087 3,036,414 3,055,501 Construction — — — — 274,588 274,588 Total commercial loans 89,147 5,498 33,696 128,341 15,503,433 15,631,774 Residential mortgage 19,043 6,187 27,449 52,679 4,903,076 4,955,755 Consumer and other 8,050 2,112 1,786 11,948 686,632 698,580 Total $ 116,240 13,797 62,931 192,968 21,093,141 21,286,109 December 31, 2019 30-59 Days 60-89 Days Greater than 90 Days Total Past Due Current Total Loans Receivable (In thousands) Commercial loans: Multi-family $ 45,606 1,946 22,055 69,607 7,743,629 7,813,236 Commercial real estate 7,958 525 3,787 12,270 4,819,077 4,831,347 Commercial and industrial 7,774 2,767 5,053 15,594 2,935,712 2,951,306 Construction — — — — 262,866 262,866 Total commercial loans 61,338 5,238 30,895 97,471 15,761,284 15,858,755 Residential mortgage 16,980 6,195 27,729 50,904 5,093,814 5,144,718 Consumer and other 9,157 1,174 1,330 11,661 688,135 699,796 Total $ 87,475 12,607 59,954 160,036 21,543,233 21,703,269 The following table presents non-accrual loans at the date indicated: March 31, 2020 # of loans Amount (Dollars in thousands) Non-accrual: Multi-family 9 $ 23,432 Commercial real estate 21 11,385 Commercial and industrial 22 17,007 Total commercial loans 52 51,824 Residential mortgage and consumer 258 46,587 Total non-accrual loans 310 $ 98,411 The Company recognized $444,000 of interest income on non-accrual loans during the three months ended March 31, 2020 . Loans which meet certain criteria are individually evaluated as part of the process of calculating the allowance for credit losses. The evaluation is determined on an individual basis using the present value of expected cash flows or the fair value of the collateral as of the reporting date. When management determines that the fair value of collateral securing a collateral dependent loan inadequately covers the balance of net principal, the net principal balance is written down to the fair value of the collateral, net of estimated selling costs as applicable, rather than assigning an allowance. See Note 15, Fair Value Measurements , for information regarding the valuation process for collateral dependent loans. The following table presents individually evaluated collateral-dependent loans by class of loans at the date indicated: March 31, 2020 Real Estate Other Total (Dollars in thousands) Multi-family $ 22,081 — 22,081 Commercial real estate 7,592 — 7,592 Commercial and industrial 4,319 11,182 15,501 Construction — — — Total commercial loans 33,992 11,182 45,174 Residential mortgage and consumer 26,168 120 26,288 Total collateral-dependent loans $ 60,160 11,302 71,462 The following table presents non-accrual loans at the date indicated: December 31, 2019 # of loans Amount (Dollars in thousands) Non-accrual: Multi-family 8 $ 23,322 Commercial real estate 22 11,945 Commercial and industrial 18 12,482 Total commercial loans 48 47,749 Residential mortgage and consumer 260 47,566 Total non-accrual loans 308 $ 95,315 Included in the non-accrual tables above are TDR loans whose payment status is current but the Company has classified as non-accrual as the loans have not maintained their current payment status for six consecutive months under the restructured terms and therefore do not meet the criteria for accrual status. As of March 31, 2020 and December 31, 2019 , these loans are comprised of the following: March 31, 2020 December 31, 2019 # of loans Amount # of loans Amount (Dollars in thousands) TDR with payment status current classified as non-accrual: Commercial real estate 2 $ 2,347 2 $ 2,360 Residential mortgage and consumer 26 4,325 25 4,218 Total TDR with payment status current classified as non-accrual 28 $ 6,672 27 $ 6,578 The following table presents TDR loans which were also 30 - 89 days delinquent and classified as non-accrual at the dates indicated: March 31, 2020 December 31, 2019 # of loans Amount # of loans Amount (Dollars in thousands) TDR 30-89 days delinquent classified as non-accrual: Residential mortgage and consumer 15 $ 2,281 18 $ 3,331 Total TDR 30-89 days delinquent classified as non-accrual 15 $ 2,281 18 $ 3,331 The Company has no loans past due 90 days or more delinquent that are still accruing interest. Troubled Debt Restructurings On a case-by-case basis, the Company may agree to modify the contractual terms of a borrower’s loan to remain competitive and assist customers who may be experiencing financial difficulty, as well as preserve the Company’s position in the loan. If the borrower is experiencing financial difficulties and a concession has been made at the time of such modification, the loan is classified as a TDR. Substantially all of our TDR loan modifications involve lowering 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, or a combination of these two methods. These modifications rarely result in the forgiveness of principal or accrued interest. In addition, we frequently obtain additional collateral or guarantor support when modifying commercial loans. Restructured loans remain on non-accrual status until there has been a sustained period of repayment performance (generally six consecutive months of payments) and both principal and interest are deemed collectible. The following tables present the total TDR loans at March 31, 2020 and December 31, 2019 : March 31, 2020 Accrual Non-accrual Total # of loans Amount # of loans Amount # of loans Amount (Dollars in thousands) Commercial loans: Commercial real estate — $ — 2 $ 2,347 2 $ 2,347 Commercial and industrial 3 2,730 2 4,207 5 6,937 Total commercial loans 3 2,730 4 6,554 7 9,284 Residential mortgage and consumer 52 10,103 78 16,184 130 26,287 Total 55 $ 12,833 82 $ 22,738 137 $ 35,571 December 31, 2019 Accrual Non-accrual Total # of loans Amount # of loans Amount # of loans Amount (Dollars in thousands) Commercial loans: Commercial real estate — $ — 3 $ 2,362 3 $ 2,362 Commercial and industrial 3 2,535 2 4,682 5 7,217 Total commercial loans 3 2,535 5 7,044 8 9,579 Residential mortgage and consumer 54 10,549 78 16,458 132 27,007 Total 57 $ 13,084 83 $ 23,502 140 $ 36,586 The following tables present information about TDRs that occurred during the three months ended March 31, 2020 and 2019 : Three Months Ended March 31, 2020 2019 Number of Loans Pre-modification Recorded Investment Post- modification Recorded Investment Number of Loans Pre-modification Recorded Investment Post- modification Recorded Investment (Dollars in thousands) Troubled Debt Restructurings: Commercial and industrial 1 $ 933 $ 933 — $ — $ — Residential mortgage and consumer — — — 6 1,664 1,664 Post-modification recorded investment represents the net book balance immediately following modification. Collateral dependent loans classified as TDRs were written down to the estimated fair value of the collateral. There were no charge-offs for collateral dependent TDRs during the three months ended March 31, 2020 . There were $477,000 in charge-offs for a TDR of an unsecured commercial and industrial loan during the three months ended March 31, 2019 . The allowance for loan losses associated with the TDRs presented in the above tables totaled $1.4 million and $1.8 million as of March 31, 2020 and December 31, 2019 , respectively. Loan modifications generally involve the reduction in loan interest rate and/or extension of loan maturity dates and also may include step up interest rates in their modified terms which will impact their weighted average yield in the future. All residential loans deemed to be TDRs were modified to reflect a reduction in interest rates to current market rates. The commercial loan modification which qualified as a TDR in the three months ended March 31, 2020 had its maturity extended. There were no commercial loan modifications in the three months ended March 31, 2019 . The Company began entering into loan modifications with borrowers in response to the COVID-19 pandemic, which have not been classified as TDR, and therefore are not included in the discussion below. For more information on the criteria for classifying loans as TDRs, see Note 1, Summary of Significant Accounting Principles . The following tables present information about pre and post modification interest yield for TDRs which occurred during the three months ended March 31, 2020 and 2019 : Three Months Ended March 31, 2020 2019 Number of Loans Pre-modification Interest Yield Post- modification Interest Yield Number of Loans Pre-modification Interest Yield Post- modification Interest Yield Troubled Debt Restructurings: Commercial and industrial 1 4.75 % 4.75 % — — % — % Residential mortgage and consumer — — % — % 6 5.26 % 4.90 % Payment defaults for loans modified as a TDR in the previous 12 months to March 31, 2020 consisted of 2 residential loans with a recorded investment of $149,000 at March 31, 2020 . Payment defaults for loans modified as a TDR in the previous 12 months to March 31, 2019 consisted of 1 residential loan with a recorded investment of $270,000 at March 31, 2019 . The following table presents, under previously applicable GAAP, loans individually evaluated for impairment by portfolio segment as of December 31, 2019 : December 31, 2019 Recorded Investment Unpaid Principal Balance Related Allowance Average Recorded Investment Interest Income Recognized (In thousands) With no related allowance: Multi-family $ 22,169 23,581 — 23,298 47 Commercial real estate 7,875 10,913 — 8,127 199 Commercial and industrial 12,476 21,090 — 14,860 351 Construction — — — — — Total commercial loans 43 56 — 46 1 Residential mortgage and consumer 13,783 18,066 — 13,811 267 With an allowance recorded: Multi-family — — — — — Commercial real estate — — — — — Commercial and industrial — — — — — Construction — — — — — Total commercial loans — — — — — Residential mortgage and consumer 13,220 13,881 1,763 13,321 153 Total: Multi-family 22,169 23,581 — 23,298 47 Commercial real estate 7,875 10,913 — 8,127 199 Commercial and industrial 12,476 21,090 — 14,860 351 Construction — — — — — Total commercial loans 43 56 — 46 1 Residential mortgage and consumer 27,003 31,947 1,763 27,132 420 Total impaired loans $ 69,523 87,531 1,763 73,417 1,017 The average recorded investment is the annual average calculated based upon the ending quarterly balances. The interest income recognized is the year to date interest income recognized on a cash basis.

Allowance for Credit Losses

Allowance for Credit Losses	3 Months Ended
	Mar. 31, 2020
Credit Loss [Abstract]
Allowance for Credit Losses	Allowance for Credit Losses On January 1, 2020, the Company adopted ASU 2016-13, “Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments”, which replaces the incurred loss methodology with an expected loss methodology that is referred to as the current expected credit loss (CECL) methodology. See Note 1, Summary of Significant Accounting Principle s . Allowance for Credit Losses On Loans Receivable An analysis of the allowance for credit losses for loans receivable is summarized as follows: Three Months Ended March 31, 2020 2019 (In thousands) Balance at beginning of the period $ 228,120 235,817 Impact of adopting ASC 326 (3,551 ) — Gross charge offs (10,930 ) (5,445 ) Recoveries 2,897 1,345 Net charge-offs (8,033 ) (4,100 ) Provision for credit loss expense 26,752 3,000 Balance at end of the period $ 243,288 234,717 Accrued interest receivable on loans, reported as a component of accrued interest receivable on the balance sheet, totaled $68.0 million at March 31, 2020 and is excluded from the estimate of credit losses. The lifetime estimate considers multiple economic scenarios, including recessionary scenarios that assume deterioration in key economic variables such as gross domestic product, unemployment rate and real estate prices. As of January 1, 2020, the Company’s economic outlook was weighted to include a moderate potential of a recession with some expectation of tail risk similar to the severely adverse scenario used in stress testing. For the three months ended March 31, 2020, there was a significant change in the economic outlook impacting the allowance for credit losses, with key economic factors such as the unemployment rate and gross domestic product projected to deteriorate sharply in the second quarter of 2020 driven by the impact of COVID-19. In response to these changes, the Company reassessed the selection and probability weightings of the economic scenarios. All scenarios utilized by the Company at March 31, 2020, assume recessionary environments of varying degrees resulting from the COVID-19 pandemic. In addition, the allowance for credit losses at March 31, 2020 included qualitative reserves for certain segments that may not be fully recognized through its quantitative models. There are still many unknowns including the duration of the impact of COVID-19 on the economy and the results of the government fiscal and monetary actions along with recently implemented payment deferral programs, and the Company will continue to evaluate the allowance for credit losses and the related economic outlook each quarter. The following tables present the balance in the allowance for credit losses for loans by portfolio segment as of March 31, 2020 and December 31, 2019 : March 31, 2020 Multi- Family Loans Commercial Real Estate Loans Commercial and Industrial Loans Construction Loans Residential Mortgage Loans Consumer and Other Loans Unallocated Total (Dollars in thousands) Allowance for credit losses: Beginning balance-December 31, 2019 $ 74,099 50,925 74,396 6,816 17,391 2,548 1,945 228,120 Impact of adopting ASC 326 (9,741 ) (4,631 ) (7,511 ) (1,901 ) 20,089 2,089 (1,945 ) (3,551 ) Charge-offs (126 ) (169 ) (9,966 ) — (657 ) (12 ) — (10,930 ) Recoveries — 36 2,589 — 169 103 — 2,897 Provision for credit loss expense 11,870 (2,843 ) 15,793 1,710 (834 ) 1,056 — 26,752 Ending balance-March 31, 2020 $ 76,102 43,318 75,301 6,625 36,158 5,784 — 243,288 December 31, 2019 Multi- Family Loans Commercial Real Estate Loans Commercial and Industrial Loans Construction Loans Residential Mortgage Loans Consumer and Other Loans Unallocated Total (Dollars in thousands) Allowance for credit losses: Beginning balance-December 31, 2018 $ 82,876 48,449 71,084 7,486 20,776 3,102 2,044 235,817 Charge-offs (2,973 ) (151 ) (6,833 ) — (2,241 ) (934 ) — (13,132 ) Recoveries 1,244 2,204 1,203 — 1,448 336 — 6,435 Provision for credit loss expense (7,048 ) 423 8,942 (670 ) (2,592 ) 44 (99 ) (1,000 ) Ending balance-December 31, 2019 $ 74,099 50,925 74,396 6,816 17,391 2,548 1,945 228,120 Allowance for Credit Losses On Debt Securities An analysis of the allowance for credit losses for debt securities held-to-maturity is summarized as follows: Three Months Ended March 31, 2020 (In thousands) Balance at beginning of the period $ — Impact of adopting ASC 326 2,564 Provision for credit losses 431 Balance at end of the period $ 2,995 The following tables present the balance in the allowance for credit losses for debt securities held-to-maturity by portfolio segment as of March 31, 2020 : March 31, 2020 Municipal Bonds Corporate and Other Debt Securities Total (Dollars in thousands) Allowance for credit losses: Beginning balance-December 31, 2019 — — — Impact of adopting ASC 326 17 2,547 2,564 Provision for credit loss — 431 431 Ending balance-March 31, 2020 17 2,978 2,995 Accrued interest receivable on debt securities held-to-maturity totaled $10.4 million at March 31, 2020 and is excluded from the estimate of credit losses. Allowance for Credit Losses On Off-Balance Sheet Credit Exposures An analysis of the allowance for credit losses for off-balance sheet credit exposures is as follows: Three Months Ended March 31, 2020 (In thousands) Balance at beginning of the period $ 425 Impact of adopting ASC 326 12,674 Provision for credit losses 4,043 Balance at end of the period $ 17,142

Deposits

Deposits	3 Months Ended
	Mar. 31, 2020
Banking and Thrift [Abstract]
Deposits	Deposits Deposits are summarized as follows: March 31, 2020 December 31, 2019 (In thousands) Non-interest bearing: Checking accounts $ 2,422,891 2,472,232 Interest bearing: Checking accounts 5,435,066 5,512,979 Money market deposits 4,046,257 3,817,718 Savings 2,092,846 2,050,101 Certificates of deposit 4,187,566 4,007,308 Total deposits $ 18,184,626 17,860,338

Goodwill and Other Intangible A

Goodwill and Other Intangible Assets	3 Months Ended
	Mar. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Other Intangible Assets	Goodwill and Other Intangible Assets The following table summarizes goodwill and intangible assets at March 31, 2020 and December 31, 2019 : March 31, 2020 December 31, 2019 (In thousands) Mortgage servicing rights $ 12,200 12,125 Core deposit premiums 2,243 2,530 Other 646 668 Total other intangible assets 15,089 15,323 Goodwill 82,546 82,546 Goodwill and intangible assets $ 97,635 97,869 The following table summarizes other intangible assets as of March 31, 2020 and December 31, 2019 : Gross Intangible Asset Accumulated Amortization Valuation Allowance Net Intangible Assets (In thousands) March 31, 2020 Mortgage servicing rights $ 19,740 (7,237 ) (303 ) 12,200 Core deposit premiums 20,561 (18,318 ) — 2,243 Other 1,150 (504 ) — 646 Total other intangible assets $ 41,451 (26,059 ) (303 ) 15,089 December 31, 2019 Mortgage servicing rights $ 19,368 (7,140 ) (103 ) 12,125 Core deposit premiums 20,561 (18,031 ) — 2,530 Other 1,150 (482 ) — 668 Total other intangible assets $ 41,079 (25,653 ) (103 ) 15,323 Mortgage servicing rights are accounted for using the amortization method. Under this method, the Company amortizes the loan servicing asset in proportion to, and over the period of, estimated net servicing revenues. The Company sells loans on a servicing-retained basis. Loans that were sold on this basis had an unpaid principal balance of $1.68 billion and $1.67 billion at March 31, 2020 and December 31, 2019 , respectively, all of which relate to mortgage loans. At March 31, 2020 and December 31, 2019 , the servicing asset, included in other intangible assets, had an estimated fair value of $11.5 million and $14.1 million , respectively. At March 31, 2020 , fair value was based on expected future cash flows considering a weighted average discount rate of 12.04% , a weighted average constant prepayment rate on mortgages of 17.64% and a weighted average life of 4.4 years . See Note 15 for additional details. Core deposit premiums are amortized using an accelerated method and having a weighted average amortization period of 10 years .

Leases

Leases	3 Months Ended
	Mar. 31, 2020
Leases [Abstract]
Leases	Leases The Company has operating leases for corporate offices, branch locations and certain equipment. For these operating leases, the Company recognizes 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. The Company’s leases have remaining lease terms of up to 16 years , some of which include options to extend the leases for up to 10 years , and some of which include options to terminate the leases within 1 year . Certain of our operating leases for branch locations contain variable lease payments related to consumer price index adjustments. The following table presents the balance sheet information related to our operating leases: March 31, 2020 December 31, 2019 (Dollars in thousands) Operating lease right-of-use assets $ 170,549 175,143 Operating lease liabilities 181,917 185,827 Weighted average remaining lease term 9.5 years 9.7 years Weighted average discount rate 2.74 % 2.74 % In determining the present value of lease payments, the discount rate used for each individual lease is the rate implicit in the lease, unless that rate cannot be readily determined, in which case the Company is required to use its incremental borrowing rate based on the information available at commencement date. For its incremental borrowing rate, the Company uses the borrowing rates offered to the Company by the Federal Home Loan Bank, which reflects the rates a lender would charge the Company to obtain a collateralized loan. The following table presents the components of total operating lease cost recognized in the Consolidated Statements of Income: Three Months Ended March 31, 2020 2019 (In thousands) Included in office occupancy and equipment expense: Operating lease cost $ 6,280 6,320 Short-term lease cost 86 83 Variable lease cost — — Included in other income: Sublease income 67 67 The following table presents supplemental cash flow information related to operating leases: Three Months Ended March 31, 2020 2019 (In thousands) Cash paid for amounts included in the measurement of operating lease liabilities: Operating cash flows from operating leases $ 5,707 6,138 Operating lease liabilities arising from obtaining right-of-use assets (non-cash): Operating leases 558 18 Future minimum operating lease payments and reconciliation to operating lease liabilities at March 31, 2020 and December 31, 2019 : March 31, 2020 December 31, 2019 (In thousands) 2020 $ 18,281 24,013 2021 23,988 23,888 2022 22,390 22,270 2023 21,347 21,227 2024 21,282 21,162 Thereafter 100,802 100,662 Total lease payments 208,090 213,222 Less: Imputed interest (26,173 ) (27,395 ) Total operating lease liabilities $ 181,917 185,827 The Company also has finance leases for certain equipment. The Company’s right-of-use assets and lease liabilities for finance leases were both $3.4 million at March 31, 2020

Equity Incentive Plan

Equity Incentive Plan	3 Months Ended
	Mar. 31, 2020
Share-based Payment Arrangement [Abstract]
Equity Incentive Plan	Equity Incentive Plan At the annual meeting held on June 9, 2015, stockholders of the Company approved the Investors Bancorp, Inc. 2015 Equity Incentive Plan (“2015 Plan”) which provides for the issuance or delivery of up to 30,881,296 shares ( 13,234,841 restricted stock awards and 17,646,455 stock options) of Investors Bancorp, Inc. common stock. Restricted shares granted under the 2015 Plan vest in equal installments, over the service period generally ranging from 5 to 7 years beginning one year from the date of grant. Additionally, certain restricted shares awarded are performance vesting awards, which may or may not vest depending upon the attainment of certain corporate financial targets. The vesting of restricted stock may accelerate in accordance with the terms of the 2015 Plan. The product of the number of shares granted and the grant date closing market price of the Company’s common stock determine the fair value of restricted shares under the 2015 Plan. Management recognizes compensation expense for the fair value of restricted shares on a straight-line basis over the requisite service period. For the three months ended March 31, 2020 and March 31, 2019 , the Company granted 64,923 and 119,663 shares of restricted stock awards under the 2015 Plan, respectively. Stock options granted under the 2015 Plan vest in equal installments, over the service period generally ranging from 5 to 7 years beginning one year from the date of grant. The vesting of stock options may accelerate in accordance with the terms of the 2015 Plan. Stock options were granted at an exercise price equal to the fair value of the Company’s common stock on the grant date based on the closing market price and have an expiration period of 10 years. For the three months ended March 31, 2020 and March 31, 2019 , the Company granted no stock options and 25,000 stock options under the 2015 Plan, respectively. The fair value of stock options granted as part of the 2015 Plan was estimated utilizing the Black-Scholes option pricing model using the following assumptions for the periods presented below: Three Months Ended March 31, 2019 Weighted average expected life (in years) 6.50 Weighted average risk-free rate of return 2.55 % Weighted average volatility 18.59 % Dividend yield 3.49 % Weighted average fair value of options granted $ 1.65 Total stock options granted 25,000 The weighted average expected life of the stock option represents the period of time that stock options are expected to be outstanding and is estimated using historical data of stock option exercises and forfeitures. The risk-free interest rate is based on the U.S. Treasury yield curve in effect at the time of grant. The expected volatility is based on the historical volatility of the Company’s stock. The Company recognizes compensation expense for the fair values of these awards, which have graded vesting, on a straight-line basis over the requisite service period of the awards. Upon exercise of vested options, management expects to draw on treasury stock as the source for shares. The following table presents the share-based compensation expense for the three months ended March 31, 2020 and 2019 : Three Months Ended March 31, 2020 2019 (In thousands) Stock option expense $ 988 1,302 Restricted stock expense 2,901 3,271 Total share-based compensation expense $ 3,889 4,573 The following is a summary of the Company’s stock option activity and related information for the three months ended March 31, 2020 : Number of Stock Options Weighted Average Exercise Price Weighted Average Remaining Contractual Life (in years) Aggregate Intrinsic Value Outstanding at December 31, 2019 5,654,461 $ 12.46 5.5 $ 363 Granted — — — Exercised — — — Forfeited (8,802 ) 12.55 Expired (27,427 ) 12.54 Outstanding at March 31, 2020 5,618,232 12.46 5.3 — Exercisable at March 31, 2020 2,936,353 $ 12.39 5.2 $ — Expected future expense relating to the non-vested options outstanding as of March 31, 2020 is $8.4 million over a weighted average period of 1.85 years. The following is a summary of the status of the Company’s restricted shares as of March 31, 2020 and changes therein during the three months ended: Number of Shares Awarded Weighted Average Grant Date Fair Value Outstanding at December 31, 2019 2,894,352 $ 12.57 Granted 64,923 10.78 Vested (186,411 ) 13.25 Forfeited (15,973 ) 12.34 Outstanding and non-vested at March 31, 2020 2,756,891 $ 12.49 Expected future expense relating to the non-vested restricted shares outstanding as of March 31, 2020 is $25.3 million over a weighted average period of 2.67

Net Periodic Benefit Plan Expen

Net Periodic Benefit Plan Expense	3 Months Ended
	Mar. 31, 2020
Retirement Benefits [Abstract]
Net Periodic Benefit Plan Expense	Net Periodic Benefit Plan Expense The Company has an Executive Supplemental Retirement Wage Replacement Plan (“SERP II”) and the Supplemental ESOP and Retirement Plan (“SERP I”) (collectively, the “SERPs”). The SERP II is a nonqualified, defined benefit plan which provides benefits to certain executives as designated by the Compensation and Benefits Committee of the Board of Directors. More specifically, the SERP II was designed to provide participants with a normal retirement benefit equal to an annual benefit of 60% of the participant’s highest annual base salary and cash incentive (over a consecutive 36 -month period within the participant’s credited service period) reduced by the sum of the benefits provided under the Pentegra Defined Benefit Plan for Financial Institutions (“Pentegra DB Plan”) and the SERP I. Effective as of the close of business of December 31, 2016, the SERP II was amended to freeze future benefit accruals subsequent to the 2016 year of service. The SERP I compensates certain executives (as designated by the Compensation and Benefits Committee of the Board of Directors) participating in the ESOP whose contributions are limited by the Internal Revenue Code. The Company also maintains the Amended and Restated Director Retirement Plan (“Directors’ Plan”) for certain directors, which is a nonqualified, defined benefit plan. The Directors’ Plan was frozen on November 21, 2006 such that no new benefits accrued under, and no new directors were eligible to participate in the plan. The SERPs and the Directors’ Plan are unfunded and the costs of the plans are recognized over the period that services are provided. The components of net periodic benefit cost for the Directors’ Plan and the SERP II are as follows: Three Months Ended March 31, 2020 2019 (In thousands) Interest cost $ 324 397 Amortization of: Net loss 8 — Total net periodic benefit cost $ 332 397 Due to the unfunded nature of the SERPs and the Directors’ Plan, no contributions have been made or were expected to be made during the three months ended March 31, 2020 . The Company also maintains the Pentegra DB Plan. Since it is a multi-employer plan, costs of the pension plan are based on contributions required to be made to the pension plan. As of December 31, 2016, the annual benefit provided under the Pentegra DB plan was frozen by an amendment to the plan. Freezing the plan eliminates all future benefit accruals and each participant’s frozen accrued benefit was determined as of December 31, 2016 and no further benefits will accrue beyond such date. There was no contribution required during the three months ended March 31, 2020 . We anticipate contributing funds to the plan to meet any minimum funding requirements for the remainder of 2020 .

Derivatives and Hedging Activit

Derivatives and Hedging Activities	3 Months Ended
	Mar. 31, 2020
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivatives and Hedging Activities	Derivatives and Hedging Activities The Company is exposed to certain risk arising from both its business operations and economic conditions. The Company principally manages its exposures to a wide variety of business and operational risks through management of its core business activities. The Company manages economic risks, including interest rate, liquidity, and credit risk primarily by managing the amount, sources, and duration of its assets and liabilities and the use of derivative financial instruments. Specifically, the Company enters into derivative financial instruments to manage exposures that arise from business activities that result in the receipt or payment of future known and uncertain cash amounts, the value of which are determined by interest rates. The Company’s derivative financial instruments are used to manage differences in the amount, timing, and duration of the Company’s known or expected cash receipts and its known or expected cash payments principally related to the Company’s floating rate borrowings and pools of fixed-rate assets. Cash Flow Hedges of Interest Rate Risk The Company’s objectives in using interest rate derivatives are primarily to reduce cost and add stability to interest expense in an effort to manage its exposure to interest rate movements. Interest rate swaps designated as cash flow hedges involve the receipt of amounts subject to variability caused by changes in interest rates from a counterparty in exchange for the Company making fixed-rate payments over the life of the agreements without exchange of the underlying notional amount. Changes in the fair value of derivatives designated and that qualify as cash flow hedges are initially recorded in other comprehensive income and are subsequently reclassified into earnings in the period that the hedged forecasted transaction affects earnings. Such derivatives were used to hedge the variability in cash flows associated with borrowings. Amounts reported in accumulated other comprehensive income (loss) related to derivatives will be reclassified to interest expense as interest payments are made on the Company’s variable-rate borrowings. During the next twelve months, the Company estimates that an additional $35.6 million will be reclassified as an increase to interest expense. Fair Value Hedges of Interest Rate Risk The Company is exposed to changes in the fair value of certain of its fixed- and adjustable-rate assets due to changes in benchmark interest rates. The Company uses interest rate swaps to manage its exposure to changes in fair value on these instruments attributable to changes in the designated benchmark interest rate. Interest rate swaps designated as fair value hedges involve the payment of fixed-rate amounts to a counterparty in exchange for the Company receiving variable-rate payments over the life of the agreements without the exchange of the underlying notional amount. Such derivatives were used to hedge the changes in fair value of certain of its pools of prepayable fixed- and adjustable-rate assets. For derivatives designated and that qualify as fair value hedges, the gain or loss on the derivative as well as the offsetting loss or gain on the hedged item attributable to the hedged risk are recognized in interest income. The Company terminated three interest rate swaps with an aggregate notional amount of $1.00 billion during the year ended December 31, 2019 . The terminated swaps were due to mature in February 2020. Derivatives Not Designated as Hedges The Company has credit derivatives resulting from participations in interest rate swaps provided to external lenders as part of loan participation arrangements which are, therefore, not used to manage interest rate risk in the Company’s assets or liabilities. Additionally, the Company provides interest rate risk management services to commercial customers, primarily interest rate swaps. The Company’s market risk from unfavorable movements in interest rates related to these derivative contracts is economically hedged by concurrently entering into offsetting derivative contracts that have identical notional values, terms and indices. Derivatives not designated as hedges are not speculative and result from a service the Company provides to certain lenders which participate in loans and commercial customers. Fair Values of Derivative Instruments on the Balance Sheet Asset Derivatives Liability Derivatives March 31, 2020 December 31, 2019 March 31, 2020 December 31, 2019 Notional Amount Balance Sheet Location Fair Value Notional Amount Balance Sheet Location Fair Value Notional Amount Balance Sheet Location Fair Value Notional Amount Balance Sheet Location Fair Value (in millions) (In thousands) (in millions) (In thousands) (in millions) (In thousands) (in millions) (In thousands) Derivatives designated as hedging instruments: Interest Rate Swaps $ — Other assets $ — $ 2,675 Other assets $ 559 $ 3,200 Other liabilities $ 798 $ — Other liabilities $ — Total derivatives designated as hedging instruments $ — $ 559 $ 798 $ — Derivatives not designated as hedging instruments: Interest Rate Swaps $ 361 Other assets $ 33,028 $ 652 Other assets $ 5,430 $ 361 Other liabilities $ 207 $ — Other liabilities $ — Other Contracts — Other assets — — Other assets — 22 Other liabilities 254 22 Other liabilities 125 Total derivatives not designated as hedging instruments $ 33,028 $ 5,430 $ 461 $ 125 The Chicago Mercantile Exchange (“CME”) legally characterizes the variation margin posted between counterparties as settlements of the outstanding derivative contracts instead of cash collateral. Effect of Derivative Instruments on Accumulated Other Comprehensive Income (Loss) The following table presents the effect of the Company’s derivative financial instruments on the Accumulated Comprehensive Income (Loss) for the three months ended March 31, 2020 and 2019 . Three Months Ended March 31, 2020 2019 (In thousands) Cash Flow Hedges - Interest rate swaps Amount of loss recognized in other comprehensive income (loss) $ (100,361 ) (19,681 ) Amount of (loss) gain reclassified from accumulated other comprehensive income (loss) to interest expense (2,089 ) 2,090 Location and Amount of Gain or (Loss) Recognized in Income on Fair Value and Cash Flow Hedging Relationships The following table presents the effect of the Company’s derivative financial instruments on the Consolidated Statements of Income as of March 31, 2020 and 2019 . For the Three Months Ended March 31, 2020 2019 The effects of fair value and cash flow hedging: Income statement location (In thousands) Gain or (loss) on fair value hedging relationships in Subtopic 815-20 Interest contracts Hedged items Interest income on loans $ 6,769 922 Derivatives designated as hedging instruments Interest income on loans (7,188 ) (1,021 ) Gain or (loss) on cash flow hedging relationships in Subtopic 815-20 Interest contracts Amount of (loss) gain reclassified from accumulated other comprehensive income (loss) Interest expense on borrowings (2,089 ) 2,090 Amount of gain or (loss) reclassified from accumulated other comprehensive income (loss) as a result that a forecasted transaction is no longer probable of occurring Interest expense on borrowings — — Total amounts of income and expense line items presented in the income statement in which the effects of fair value are recorded $ (2,508 ) 1,991 As of March 31, 2020 and December 31, 2019 , the following amounts were recorded on the Consolidated Balance Sheets related to cumulative basis adjustment for fair value hedges: Balance sheet location Carrying Amount of the Hedged Assets/(Liabilities) Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets/(Liabilities) March 31, 2020 December 31, 2019 March 31, 2020 December 31, 2019 (In thousands) Loans receivable, net (1)(2) $ 484,889 478,120 $ 13,042 6,426 (1) At March 31, 2020 , the amortized cost basis of the closed portfolios used in these hedging relationships was $1.34 billion ; the cumulative basis adjustments associated with these hedging relationships was $13.0 million ; and the amounts of the designated hedged items were $484.9 million . (2) The balance of Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets/(Liabilities) as of March 31, 2020 includes $3.1 million of hedging adjustment on discontinued hedging relationships. Location and Amount of Gain or (Loss) Recognized in Income on Derivatives Not Designated as Hedging Instruments The table below presents the effect of the Company’s derivative financial instruments that are not designated as hedging instruments on the Consolidated Statements of Income as of March 31, 2020 : Consolidated Statements of Income location Amount of Gain or (Loss) Recognized in Income on Derivative For the Three Months Ended March 31, 2020 2019 (In thousands) Other Contracts Other income / (expense) $ (129 ) 29 Total $ (129 ) 29 Offsetting Derivatives The following table presents a gross presentation, the effects of offsetting, and a net presentation of the Company’s derivatives in the Consolidated Balance Sheets as of March 31, 2020 and December 31, 2019 . The net amounts of derivative assets and liabilities can be reconciled to the tabular disclosure of the fair value hierarchy, see Note 15, Fair Value Measurements . The tabular disclosure of fair value provides the location that derivative assets and liabilities are presented on the Company’s Consolidated Balance Sheets. Gross Amounts Not Offset Gross Amounts Recognized Gross Amounts Offset Net Amounts Presented Financial Instruments Cash Collateral Posted Net Amount (In thousands) March 31, 2020 Assets: Derivative contracts $ — — — — — — Liabilities: Derivative contracts 1,259 — 1,259 — — 1,259 December 31, 2019 Assets: Derivative contracts $ 821 — 821 — — 821 Liabilities: Derivative contracts $ 125 — 125 — — 125

Comprehensive Income

Comprehensive Income	3 Months Ended
	Mar. 31, 2020
Equity [Abstract]
Comprehensive Income	Comprehensive Income The components of comprehensive income, gross and net of tax, are as follows: Three Months Ended March 31, 2020 2019 Gross Tax Net Gross Tax Net (Dollars in thousands) Net income $ 54,159 (14,647 ) 39,512 67,463 (19,305 ) 48,158 Other comprehensive (loss) income: Change in funded status of retirement obligations 28 (8 ) 20 18 (5 ) 13 Unrealized gains on debt securities available-for-sale 49,409 (11,781 ) 37,628 21,514 (5,275 ) 16,239 Accretion of loss on debt securities reclassified to held-to-maturity from available-for-sale 74 (18 ) 56 157 (44 ) 113 Other-than-temporary impairment accretion on debt securities recorded prior to January 1, 2020 250 (70 ) 180 251 (71 ) 180 Net losses on derivatives (98,272 ) 27,624 (70,648 ) (21,771 ) 6,120 (15,651 ) Total other comprehensive (loss) income (48,511 ) 15,747 (32,764 ) 169 725 894 Total comprehensive income $ 5,648 1,100 6,748 67,632 (18,580 ) 49,052 The following table presents the after-tax changes in the balances of each component of accumulated other comprehensive loss for the three months ended March 31, 2020 and 2019 : Change in funded status of retirement obligations Accretion of loss on debt securities reclassified to held-to-maturity Unrealized gains (losses) on debt securities available-for-sale and gains included in net income Other-than- temporary impairment accretion on debt securities Unrealized (losses) gains on derivatives Total accumulated other comprehensive loss (Dollars in thousands) Balance - December 31, 2019 $ (6,690 ) (386 ) 29,456 (10,629 ) (30,373 ) (18,622 ) Net change 20 56 37,628 180 (70,648 ) (32,764 ) Balance - March 31, 2020 $ (6,670 ) (330 ) 67,084 (10,449 ) (101,021 ) (51,386 ) Balance - December 31, 2018 $ (3,018 ) (921 ) (8,884 ) (11,397 ) 12,651 (11,569 ) Net change 13 113 16,239 180 (15,651 ) 894 Balance - March 31, 2019 $ (3,005 ) (808 ) 7,355 (11,217 ) (3,000 ) (10,675 ) The following table presents information about amounts reclassified from accumulated other comprehensive loss to the consolidated statements of income and the affected line item in the statement where net income is presented. Three Months Ended March 31, 2020 2019 (In thousands) Change in funded status of retirement obligations Amortization of net loss (gain) 8 (2 ) Interest expense Reclassification adjustment for unrealized losses (gains) on derivatives 2,090 (2,090 ) Total before tax 2,098 (2,092 ) Income tax (expense) benefit (567 ) 599 Net of tax $ 1,531 (1,493 )

Fair Value Measurements

Fair Value Measurements	3 Months Ended
	Mar. 31, 2020
Fair Value Disclosures [Abstract]
Fair Value Measurements	Fair Value Measurements We use fair value measurements to record fair value adjustments to certain assets and liabilities and to determine fair value disclosures. Our debt securities available-for-sale and derivatives are recorded at fair value on a recurring basis. Additionally, from time to time, we may be required to record at fair value other assets or liabilities on a non-recurring basis, such as held-to-maturity debt securities, mortgage servicing rights (“MSR”), loans receivable and other real estate owned. These non-recurring fair value adjustments involve the application of lower-of-cost-or-market accounting or write-downs of individual assets. Additionally, in connection with our mortgage banking activities we have commitments to fund loans held-for-sale and commitments to sell loans, which are considered free-standing derivative instruments, the fair values of which are not material to our financial condition or results of operations. In accordance with FASB ASC 820, “ Fair Value Measurements and Disclosures ”, we group our assets and liabilities at fair value in three levels, based on the markets in which the assets are traded and the reliability of the assumptions used to determine fair value. These levels are: • Level 1 – Valuation is based upon quoted prices for identical instruments traded in active markets. • Level 2 – Valuation is based upon quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets that are not active and model-based valuation techniques for which all significant assumptions are observable in the market. • Level 3 – Valuation is generated from model-based techniques that use significant assumptions not observable in the market. These unobservable assumptions reflect our own estimates of assumptions that market participants would use in pricing the asset or liability. Valuation techniques include the use of option pricing models, discounted cash flow models and similar techniques. The results cannot be determined with precision and may not be realized in an actual sale or immediate settlement of the asset or liability. We base our fair values on the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. ASC 820 requires us to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. Assets Measured at Fair Value on a Recurring Basis Equity securities Our equity securities portfolio is carried at estimated fair value on a recurring basis, with any unrealized gains and losses recognized in the Consolidated Statements of Income. The fair values of equity securities are based on quoted market prices (Level 1). Debt securities available-for-sale Our debt securities available-for-sale portfolio is carried at estimated fair value on a recurring basis, with any unrealized gains and losses, net of taxes, reported as accumulated other comprehensive income (loss) in stockholders’ equity. The fair values of debt securities available-for-sale are based upon quoted prices for similar instruments in active markets (Level 2). The pricing service may use quoted market prices of comparable instruments or discounted cash flow analyses, incorporating inputs that are currently observable in the markets for similar securities. Inputs that are often used in the valuation methodologies include, but are not limited to, benchmark yields, credit spreads, default rates, prepayment speeds and non-binding broker quotes. As the Company is responsible for the determination of fair value, it performs quarterly analyses 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 test 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 adjustment in the prices obtained from the pricing service. Derivatives Derivatives are reported at fair value utilizing Level 2 inputs. The fair values of interest rate swap and risk participation agreements are based on a valuation model that uses primarily observable inputs, such as benchmark yield curves and interest rate spreads. The following tables provide the level of valuation assumptions used to determine the carrying value of our assets and liabilities measured at fair value on a recurring basis at March 31, 2020 and December 31, 2019 . Carrying Value at March 31, 2020 Total Level 1 Level 2 Level 3 (In thousands) Assets: Equity securities $ 6,140 6,140 — — Debt securities available for sale: Mortgage-backed securities: Federal Home Loan Mortgage Corporation $ 1,179,216 — 1,179,216 — Federal National Mortgage Association 1,131,316 — 1,131,316 — Government National Mortgage Association 264,914 — 264,914 — Total debt securities available-for-sale $ 2,575,446 — 2,575,446 — Interest rate swaps $ 33,028 — 33,028 — Liabilities: Derivatives: Interest rate swaps $ 1,005 — 1,005 — Other contracts 254 — 254 — Total derivatives $ 1,259 — 1,259 — Carrying Value at December 31, 2019 Total Level 1 Level 2 Level 3 (In thousands) Assets: Equity securities $ 6,039 6,039 — — Debt securities available for sale: Mortgage-backed securities: Federal Home Loan Mortgage Corporation $ 1,240,379 — 1,240,379 — Federal National Mortgage Association 1,178,049 — 1,178,049 — Government National Mortgage Association 276,962 — 276,962 — Total debt securities available-for-sale $ 2,695,390 — 2,695,390 — Interest rate swaps $ 5,989 — 5,989 — Liabilities: Derivatives: Other contracts 125 — 125 — Total derivatives $ 125 — 125 — There have been no changes in the methodologies used at March 31, 2020 from December 31, 2019 , and there were no transfers between Level 1 and Level 2 during the three months ended March 31, 2020 . There were no Level 3 assets measured at fair value on a recurring basis for the three months ended March 31, 2020 and December 31, 2019 . Assets Measured at Fair Value on a Non-Recurring Basis Mortgage Servicing Rights, Net Mortgage servicing rights are carried at the lower of cost or estimated fair value. The estimated fair value of MSR is obtained through independent third party valuations through an analysis of future cash flows, incorporating assumptions market participants would use in determining fair value including market discount rates, prepayment 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. At March 31, 2020 , the fair value model used prepayment speeds ranging from 9.18% to 28.92% and a discount rate of 12.04% for the valuation of the mortgage servicing rights. At December 31, 2019 , the fair value model used prepayment speeds ranging from 6.60% to 29.10% and a discount rate of 12.05% for the valuation of the mortgage servicing rights. 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 positive or negative effect on the fair value estimate. Collateral-Dependent Loans/Impaired Loans Receivable With the adoption of ASU 2016-13, loans which meet certain criteria are individually evaluated as part of the process of calculating the allowance for credit losses. Prior to adoption, such loans were evaluated for impairment. However, the valuation method remains unchanged. A loan is individually evaluated when it is a commercial loan with an outstanding balance greater than $1.0 million and on non-accrual status, loans modified in a troubled debt restructuring, and other commercial loans with $1.0 million in outstanding principal if management has specific information that it is probable they will not collect all amounts due under the contractual terms of the loan agreement. Collateral-dependent loans secured by property are carried at the estimated fair value of the collateral less estimated selling costs. Estimated fair value is calculated using an independent third-party appraiser. In the event the most recent appraisal does not reflect the current market conditions due to the passage of time and other factors, management will obtain an updated appraisal or make downward adjustments to the existing appraised value based on their knowledge of the property, local real estate market conditions, recent real estate transactions, and for estimated selling costs, if applicable. Appraisals were generally discounted in a range of 0% to 25% . For non collateral-dependent loans management estimates the fair value using discounted cash flows based on inputs that are largely unobservable and instead reflect management’s own estimates of the assumptions as a market participant would in pricing such loans. Other Real Estate Owned and Other Repossessed Assets Other Real Estate Owned and Other Repossessed Assets are recorded at estimated fair value, less estimated selling costs when acquired, thus establishing a new cost basis. Fair value of foreclosed real estate property is generally based on independent appraisals. These appraisals include adjustments to comparable assets based on the appraisers’ market knowledge and experience, and are discounted an additional 0% to 25% for estimated costs to sell. 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. If further declines in the estimated fair value of the asset occur, a writedown is recorded through expense. The valuation of foreclosed and repossessed assets is subjective in nature and may be adjusted in the future because of changes in economic conditions. Operating costs after acquisition are generally expensed. Loans Held For Sale Residential mortgage loans held for sale are recorded at the lower of cost or fair value and are therefore measured at fair value on a non-recurring basis. When available, the Company uses observable secondary market data, including pricing on recent closed market transactions for loans with similar characteristics. The following tables provide the level of valuation assumptions used to determine the carrying value of our assets measured at fair value on a non-recurring basis at March 31, 2020 and December 31, 2019 . For the three months ended March 31, 2020 , there was no change to the carrying value of loans held for sale. For the three months ended December 31, 2019 , there was no change to the carrying value of impaired loans or loans held for sale. Security Type Valuation Technique Unobservable Input Range Weighted Average Input Carrying Value at March 31, 2020 Minimum Maximum Total Level 1 Level 2 Level 3 (In thousands) MSR, net Estimated cash flow Prepayment speeds 9.2% 28.9% 17.64% $ 10,227 — — 10,227 Collateral-dependent loans Market comparable and estimated cash flow Lack of marketability and probability of default 0.06% 6.80% 29.33% 2,889 — — 2,889 Other real estate owned Market comparable Lack of marketability 0.0% 25.0% 9.08% 1,407 — — 1,407 $ 14,523 — — 14,523 Security Type Valuation Technique Unobservable Input Range Weighted Average Input Carrying Value at December 31, 2019 Minimum Maximum Total Level 1 Level 2 Level 3 (In thousands) MSR, net Estimated cash flow Prepayment speeds 6.6% 29.1% 11.04% $ 10,409 — — 10,409 Other real estate owned Market comparable Lack of marketability 0.0% 25.0% 2.70% 262 — — 262 $ 10,671 — — 10,671 Other Fair Value Disclosures Fair value estimates, methods and assumptions for the Company’s financial instruments 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, the carrying amount approximates fair value. Debt Securities Held-to-Maturity Our debt securities held-to-maturity portfolio, consisting primarily of mortgage-backed securities and other debt securities for which we have a positive intent and ability to hold to maturity, is carried at amortized cost less any allowance for credit losses. Management utilizes various inputs to determine the fair value of the portfolio. The Company obtains one price for each security primarily from a third-party pricing service, which generally uses quoted or other observable inputs for the determination of fair value. The pricing service normally derives the security prices through recently reported trades for identical or similar securities, making adjustments through the reporting date based upon available observable market information. For securities not actively traded, the pricing service may use quoted market prices of comparable instruments or discounted cash flow analyses, incorporating inputs that are currently observable in the markets for similar securities. Inputs that are often used in the valuation methodologies include, but are not limited to, benchmark yields, credit spreads, default rates, prepayment speeds and non-binding broker quotes. In the absence of quoted prices and in an illiquid market, valuation techniques, which require inputs that are both significant to the fair value measurement and unobservable, are used to determine fair value of the investment. Valuation techniques are based on various assumptions, including, but not limited to forecasted cash flows, discount rates, rate of return, adjustments for nonperformance and liquidity, and liquidation values. As the Company is responsible for the determination of fair value, it performs quarterly analyses 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 test 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 adjustment in the prices obtained from the pricing service. FHLB Stock The fair value of the Federal Home Loan Bank of New York (“FHLB”) stock is its carrying value, since this is the amount for which it could be redeemed. There is no active market for this stock and the Bank is required to hold a minimum investment based upon the balance of mortgage related assets held by the member and or FHLB advances outstanding. Loans Fair values are estimated for portfolios of loans with similar financial characteristics. Loans are segregated by type such as residential mortgage and consumer. Each loan category is further segmented into fixed and adjustable rate interest terms and by performing and non-performing categories. The fair value estimates are made at a specific point in time based on relevant market information. They do not reflect any premium or discount that could result from offering for sale a particular financial instrument. Fair value estimates are based on judgments regarding future expected loss experience, risk characteristics and economic conditions. These estimates are subjective, involve uncertainties, and cannot be determined with precision. Deposit Liabilities The fair value of deposits with no stated maturity, such as savings, checking accounts and money market accounts, is equal to the amount payable on demand. The fair value of certificates of deposit is based on the discounted value of contractual cash flows. The discount rate is estimated using the rates which approximate currently offered for deposits of similar remaining maturities. Borrowings The fair value of borrowings are based on securities dealers’ estimated fair values, when available, or estimated using discounted contractual cash flows using rates which approximate the rates offered for borrowings of similar remaining maturities. Commitments to Extend Credit The fair value of commitments to extend credit is 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 counterparties. For commitments to originate fixed rate loans, fair value also considers the difference between current levels of interest rates and the committed rates. Due to the short-term nature of our outstanding commitments, the fair values of these commitments are immaterial to our financial condition. The carrying values and estimated fair values of the Company’s financial instruments are presented in the following table. March 31, 2020 Carrying Estimated Fair Value value Total Level 1 Level 2 Level 3 (In thousands) Financial assets: Cash and cash equivalents $ 672,020 672,020 672,020 — — Equities 6,140 6,140 6,140 — — Debt securities available-for-sale 2,575,446 2,575,446 — 2,575,446 — Debt securities held-to-maturity, net 1,111,525 1,169,054 — 1,105,915 63,139 FHLB stock 269,127 269,127 269,127 — — Loans held for sale 36,311 36,311 — 36,311 — Net loans 21,050,096 21,481,376 — — 21,481,376 Derivative financial instruments 33,028 33,028 — 33,028 — Financial liabilities: Deposits, other than time deposits $ 13,997,060 13,997,060 13,997,060 — — Time deposits 4,187,566 4,322,322 — 4,322,322 — Borrowed funds 5,466,663 5,542,288 — 5,542,288 — Derivative financial instruments 1,259 1,259 — 1,259 — December 31, 2019 Carrying Estimated Fair Value value Total Level 1 Level 2 Level 3 (In thousands) Financial assets: Cash and cash equivalents $ 174,915 174,915 174,915 — — Equities 6,039 6,039 6,039 — — Debt securities available-for-sale 2,695,390 2,695,390 — 2,695,390 — Debt securities held-to-maturity 1,148,815 1,190,104 — 1,116,771 73,333 FHLB stock 267,219 267,219 267,219 — — Loans held for sale 29,797 29,797 — 29,797 — Net loans 21,476,056 21,563,627 — — 21,563,627 Derivative financial instruments 5,989 5,989 — 5,989 — Financial liabilities: Deposits, other than time deposits $ 13,853,030 13,853,030 13,853,030 — — Time deposits 4,007,308 4,007,342 — 4,007,342 — Borrowed funds 5,827,111 5,834,895 — 5,834,895 — Derivative financial instruments 125 125 — 125 — 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 no market exists for a 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 that are not considered financial assets include deferred tax assets, premises and equipment and bank owned life insurance. Liabilities for pension and other postretirement benefits are not considered financial liabilities. 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.

Revenue Recognition

Revenue Recognition	3 Months Ended
	Mar. 31, 2020
Revenue from Contract with Customer [Abstract]
Revenue Recognition	Revenue Recognition The Company’s contracts with customers in the scope of Topic 606, Revenue from Contracts with Customers , are contracts for deposit accounts and contracts for non-deposit investment accounts through a third-party service provider. Both types of contracts result in non-interest income being recognized. The revenue resulting from deposit accounts, which includes fees such as insufficient funds fees, wire transfer fees and out-of-network ATM transaction fees, is included as a component of fees and service charges on the consolidated statements of income. The revenue resulting from non-deposit investment accounts is included as a component of other income on the Consolidated Statements of Income. Revenue from contracts with customers included in fees and service charges and other income was as follows: Three Months Ended March 31, 2020 2019 (Dollars in thousands) Revenue from contracts with customers included in: Fees and service charges $ 3,950 3,283 Other income 3,019 2,223 Total revenue from contracts with customers $ 6,969 5,506 For our contracts with customers, we satisfy our performance obligations each day as services are rendered. For our deposit account revenue, we receive payment on a daily basis as services are rendered and for our non-deposit investment account revenue, we receive payment on a monthly basis from our third-party service provider as services are rendered.

Recent Accounting Pronouncement

Recent Accounting Pronouncements	3 Months Ended
	Mar. 31, 2020
Accounting Changes and Error Corrections [Abstract]
Recent Accounting Pronouncements	Recent Accounting Pronouncements Standard Description Required date of adoption Effect on Consolidated Financial Statements Standards Adopted in 2020 Measurement of Credit Losses on Financial Instruments This ASU changes how entities report credit losses for financial assets held at amortized cost and available-for-sale debt securities. The amendments replace the “incurred loss” approach with a methodology that incorporates macroeconomic forecast assumptions and management judgments applicable to and through the expected life of the portfolios based on relevant information about past events, including historical loss experience, current conditions, and reasonable and supportable forecasts that affect the collectability of the reported amounts. The amendments apply to financial assets such as loans, leases and held-to-maturity investments; and certain off-balance sheet credit exposures. The amendments expand credit quality disclosure requirements. January 1, 2020 The Company adopted the standard’s provisions and all of its related updates on January 1, 2020. The amendments were applied on a modified retrospective basis. See Note 1 - Summary of Significant Accounting Principles for information on the impact of the adoption of ASU 2016-13 on the Company’s Consolidated Financial Statements. Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting The amendments provide expedients and exceptions for applying GAAP to contracts or hedging relationships affected by the discontinuance of LIBOR as a benchmark rate to alleviate the burden and cost of such modifications. The expedients and exceptions provided by the amendments do not apply to contract modifications made and hedging relationships entered into or evaluated after December 31, 2022, except for hedging relationships existing as of December 31, 2022, that an entity has elected certain optional expedients for and that are retained through the end of the hedging relationship. The amendments also provide a one-time election to sell and/or transfer debt securities classified as held to maturity that reference a rate affected by reference rate reform. Effective for a limited time as of March 12, 2020 through December 31, 2022 The Company is evaluating its financial instruments indexed to USD-LIBOR for which the amendments provide expedients and administrative relief. The adoption of reference rate reform did not immediately impact the Company’s Consolidated Financial Statements. Intangibles-Goodwill and Other- Internal-Use Software (Subtopic 350-40): Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract (a consensus of the FASB Emerging Issues Task Force) This new guidance aligns the requirements for capitalizing implementation costs incurred in a hosting arrangement that is a service contract with the requirements for capitalizing implementation costs incurred to develop or obtain internal-use software. Specifically, where a cloud computing arrangement includes a license to internal-use software, the software license is accounted for by the customer in accordance with Subtopic 350-40, “Intangibles- Goodwill and Other-Internal-Use Software”. January 1, 2020 Early adoption permitted The Company will apply the amendments in this Update prospectively to all implementation costs incurred after January 1, 2020. The adoption of ASU No. 2018-15 did not have an impact on the Company’s Consolidated Financial Statements. Fair Value Measurement (Topic 820): Disclosure Framework-Changes to the Disclosure Requirements for Fair Value Measurement The amendments remove the requirement to disclose the amount of, and reasons for, transfers between Level 1 and Level 2 of the fair value hierarchy, the policy for timing of such transfers and the valuation processes for Level 3 fair value measurements. The ASU modifies the disclosure requirements for investments in certain entities that calculate net asset value and clarify the purpose of the measurement uncertainty disclosure. The ASU adds disclosure requirements about the changes in unrealized gains and losses included in other comprehensive income for recurring Level 3 fair value measurements and the range and weighted average of significant unobservable inputs used to develop Level 3 fair value measurements. January 1, 2020 Early adoption permitted to any removed or modified disclosures and delay of adoption of additional disclosures until the effective date Changes should be applied retrospectively to all periods presented upon the effective date with the exception of the following, which should be applied prospectively: disclosures relating to changes in unrealized gains and losses, the range and weighted average of significant unobservable inputs used to develop Level 3 fair value measurements, and the disclosures for uncertainty measurement. The adoption of ASU 2018-13 did not have an impact on the Company’s Consolidated Financial Statements. Standard Description Required date of adoption Effect on Consolidated Financial Statements Intangibles - Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment This ASU simplifies subsequent measurement of goodwill by eliminating Step 2 of the impairment test while retaining the option to perform the qualitative assessment for a reporting unit to determine whether the quantitative impairment test is necessary. The ASU also eliminates the requirements for any reporting unit with a zero or negative carrying amount to perform a qualitative assessment and, if it fails that qualitative test, to perform Step 2 of the goodwill impairment test. Therefore, the same impairment assessment applies to all reporting units. January 1, 2020 Early adoption permitted for interim or annual goodwill impairment testing dates beginning after January 1, 2017 The Company is applying the amendments in ASU 2017-04 prospectively for goodwill impairment testing conducted after January 1, 2020. Standards Not Yet Adopted Investments-Equity Securities (Topic 321), Investments-Equity Method and Joint Ventures (Topic 323), and Derivatives and Hedging (Topic 815): Clarifying the Interactions between Topic 321, Topic 323, and Topic 815 (a consensus of the Emerging Issues Task Force) This update clarifies the application of the alternative provided in ASU 2016-01 to measure certain equity securities without a readily determinable fair value. The amendments in this update clarify that a company should consider observable transactions that require it to either apply or discontinue the equity method of accounting under Topic 323 for the purposes of applying the measurement alternative in accordance with Topic 321 immediately before applying or upon discontinuing the equity method. The amendments further provide clarification related to the accounting for certain forward contracts and purchased options. January 1, 2021 Early adoption permitted The update is to be applied prospectively. The Company does not expect ASU 2020-01 to have a material impact on its Consolidated Financial Statements. Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes The amendments simplify the accounting for income taxes by removing certain exceptions to general principles in Topic 740 and also clarify and amend existing guidance. January 1, 2021 Early adoption permitted This update will be effective for the Company January 1, 2021 with early adoption permitted. The Company does not expect ASU No. 2019-12 to have a material impact on its Consolidated Financial Statements. 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 postretirement plans by removing disclosures that no longer are considered cost beneficial, clarifying the specific requirements of disclosures, and adding disclosure requirements identified as relevant. January 1, 2021 Early adoption permitted The update is to be applied on a retrospective basis. The Company will evaluate the effect of ASU 2018-14 on disclosures with regard to employee benefit plans but does not expect a material impact on the Company’s Consolidated Financial Statements.

Subsequent Events

Subsequent Events	3 Months Ended
	Mar. 31, 2020
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events As defined in FASB ASC 855, “ Subsequent Events ”, subsequent events are events or transactions that occur after the balance sheet date but before financial statements are issued or available to be issued. Financial statements are considered issued when they are widely distributed to stockholders and other financial statement users for general use and reliance in a form and format that complies with U.S. GAAP. Dividend On April 29, 2020, the Company declared a cash dividend of $0.12 per share. The $0.12 dividend per share will be paid to stockholders on May 26, 2020, with a record date of May 11, 2020. Gold Coast Acquisition As of the close of business on April 3, 2020, the Company completed its acquisition of Gold Coast pursuant to the Agreement and Plan of Merger, dated as of July 24, 2019 by and between the Company and Gold Coast. As a result of the completion of the acquisition, the Company issued approximately 2.8 million shares to the former stockholders of Gold Coast and paid approximately $31.0 million in cash to the former stockholders of Gold Coast. As the merger had not been completed as of March 31, 2020, the transaction is not reflected in the consolidated financial statements at and for the periods presented.

Recent Accounting Pronounceme_2

Recent Accounting Pronouncements (Policies)	3 Months Ended
	Mar. 31, 2020
Accounting Changes and Error Corrections [Abstract]
Recent accounting pronouncements	Adoption of New Accounting Standards On January 1, 2020, the Company adopted ASU 2016-13, “Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments”, which replaces the incurred loss methodology with an expected loss methodology that is referred to as the current expected credit loss (CECL) methodology. The Company adopted ASU 2016-13 using a modified retrospective approach. Results for reporting periods beginning after January 1, 2020 are presented under Topic 326, while prior period amounts continue to be reported in accordance with previously applicable GAAP. At adoption, the Company increased its allowance for credit losses by $11.7 million , comprised of $12.7 million and $2.6 million , respectively, for unfunded commitments and held-to-maturity debt securities, partially offset by a decrease of $3.6 million for loans. Upon adoption the Company recorded a cumulative effect adjustment that reduced stockholders’ equity by $8.5 million , net of tax. Allowance for Credit Losses The allowance for credit losses includes both the allowance for loan and lease losses and the reserve for unfunded lending commitments and represents the estimated amount considered necessary to cover lifetime expected credit losses inherent in financial assets at the balance sheet date. The measurement of expected credit losses is applicable to financial assets measured at amortized cost, including loan receivables and held-to-maturity debt securities. It also applies to off-balance sheet credit exposures such as loan commitments and unused lines of credit. The allowance is established through the provision for credit losses that is charged against income. The methodology for determining the allowance for credit losses is considered a critical accounting policy by management because of the high degree of judgment involved, the subjectivity of the assumptions used, and the potential for changes in the forecasted economic environment that could result in changes to the amount of the recorded allowance for credit losses. The allowance for loan and security losses is reported separately as contra-assets to loans and securities on the consolidated balance sheet. The expected credit loss for unfunded lending commitments and unfunded loan commitments is reported on the consolidated balance sheet in other liabilities. The provision for credit losses related to loans, unfunded commitments and debt securities is reported on the consolidated statement of income. Allowance for Credit Losses On Loans Receivable The allowance for credit losses on loans is deducted from the amortized cost basis of the loan to present the net amount expected to be collected. Expected losses are evaluated and calculated on a collective basis for those loans which share similar risk characteristics. At each reporting period, the Company evaluates whether the loans in a pool continue to exhibit similar risk characteristics as the other loans in the pool. If the risk characteristics of a loan change, such that they are no longer similar to other loans in the pool, the Company will evaluate the loan with a different pool of loans that share similar risk characteristics. If the loan does not share risk characteristics with other loans, the Company will evaluate the allowance on an individual basis. The Company evaluates the segmentation at least annually to determine whether loans continue to share similar risk characteristics. Loans are charged off against the allowance when the Company believes the loan balances become uncollectible. Expected recoveries do not exceed the aggregate of amounts previously charged off or expected to be charged off. The Company has chosen to segment its portfolio consistent with the manner in which it manages the risk of the type of credit. The Company’s segments for loans include multi-family, commercial real estate, commercial and industrial, construction, residential and consumer. The Company calculates estimated credit loss on its loan portfolio typically using a probability of default and loss given default quantitative model methodology. The point in time probability of default and loss given default are then conditioned by macroeconomic scenarios to incorporate reasonable and supportable forecasts that affect the collectability of the reported amount. For a small portion of the loan portfolio, i.e. unsecured consumer loans, small business loans and loans to individuals, the Company utilizes a loss rate method to calculate the expected credit loss of that asset segment. The Company estimates the allowance for credit losses on loans using relevant available information from internal and external sources related to past events and current conditions as well as the incorporation of reasonable and supportable forecasts. The Company evaluates the use of multiple economic scenarios and the weighting of those scenarios on a quarterly basis. The scenarios that are chosen and the amount of weighting given to each scenario depend on a variety of factors including third party economists and firms, industry trends and other available published economic information. After the reasonable and supportable forecast period, the Company reverts to average historical losses. Expected credit losses are estimated over the contractual term of the loans, adjusted for expected prepayments when appropriate. The contractual term excludes expected extensions, renewals, and modifications unless either of the following applies: management has a reasonable expectation at the reporting date that a troubled debt restructuring will be executed with an individual borrower or the extension or renewal options are included in the original or modified contract at the reporting date and are not unconditionally cancelable by the Company. Also included in the allowance for loans are qualitative reserves to cover losses that are expected but, in the Company’s assessment, may not be adequately represented in the quantitative method or the economic assumptions described above. For example, factors that the Company considers include changes in lending policies and procedures, business conditions, the nature and size of the portfolio, portfolio concentrations, the volume and severity of past due loans and non-accrual loans, the effect of external factors such as competition, and the legal and regulatory requirements, among other. Furthermore, the Company considers the inherent uncertainty in quantitative models that are built on historical data. Individually evaluated On a case-by-case basis, the Company may conclude a loan should be evaluated on an individual basis based on its disparate risk characteristics. The Company individually evaluates loans that meet the following criteria for expected credit loss, as the Company has determined that these loans generally do not share similar risk characteristics with other loans in the portfolio: • Commercial loans with an outstanding balance greater than $1.0 million and on non-accrual status; • Troubled debt restructured loans; and • Other commercial loans with greater than $1.0 million in outstanding principal, if management has specific information that it is probable they will not collect all principal amounts due under the contractual terms of the loan agreement. When the Company determines that the loan no longer shares similar risk characteristics of other loans in the portfolio, the allowance will be determined on an individual basis using the present value of expected cash flows or, for collateral-dependent loans, the fair value of the collateral as of the reporting date, less estimated selling costs, as applicable, to ensure that the credit loss is not delayed until actual loss. If the fair value of the collateral is less than the amortized cost basis of the loan, the Company will charge off the difference between the fair value of the collateral, less costs to sell at the reporting date and the amortized cost basis of the loan. Acquired assets Acquired assets are included in the Company's calculation of the allowance for credit losses. How the allowance on an acquired asset is recorded depends on whether or not it has been classified as a Purchased Financial Asset with Credit Deterioration (“PCD”). PCD assets are assets acquired at a discount that is due, in part, to credit quality. PCD assets are accounted for in accordance with ASC Subtopic 326-20 and are initially recorded at fair value as determined by the sum of the present value of expected future cash flows and an allowance for credit losses at acquisition. The allowance for PCD assets is recorded through a gross-up effect, while the allowance for acquired non-PCD assets such as loans is recorded through provision expense, consistent with originated loans. Thus, the determination of which assets are PCD and non-PCD can have a significant effect on the accounting for these assets. Subsequent to acquisition, the allowance for PCD loans will generally follow the same estimation, provision and charge-off process as non-PCD acquired and originated loans. Additionally, TDR identification for acquired loans (PCD and non-PCD) will be consistent with the TDR identification for originated loans. Allowance for Credit Losses On Debt Securities Management measures expected credit losses on held-to-maturity debt securities on a collective basis by major security type. Management classifies the held-to-maturity portfolio into the following major security types: mortgage-backed residential securities, municipal bonds, trust preferred securities (“TruPs”) and other. Nearly all of the mortgage-backed securities in the Company's portfolio are issued by U.S. government agencies and are either explicitly or implicitly guaranteed by the U.S government, are highly rated by major rating agencies and have a long history of no credit losses and therefore the expectation of non-payment is zero. Other securities consist primarily of investments in pooled trust preferred securities. At each reporting period, the Company evaluates whether the securities in a segment continue to exhibit similar risk characteristics as the other securities in the segment. If the risk characteristics of a security change, such that they are no longer similar to other securities in the segment, the Company will evaluate the security with a different segment that shares more similar risk characteristics. In estimating the net amount expected to be collected for mortgage-backed residential securities and municipal bonds, a range of historical losses method is utilized. In estimating the net amount expected to be collected for TruPs, the Company employs a single scenario forecast methodology. The scenario is informed by historical industry default data as well as current and near term operating conditions for the banks and other financial institutions that are the underlying issuers. In addition, prepayment assumptions are included in the analysis of the individually assessed TruPs applied at the collateral level. Allowance for Credit Losses On Off-Balance Sheet Credit Exposures The Company is required to include the unfunded commitment that is expected to be funded in the future within the allowance calculation. The Company participates in lending that results in an off-balance sheet unfunded commitment balance. The Company currently underwrites funding commitments with conditionally cancelable language. To determine the expected funding balance remaining, the Company uses a historical utilization rate for each of the segments to calculate the expected commitment balance. The reserve percentage for each respective loan portfolio is applied to the remaining unused portion of the expected commitment balance and the expected funded commitment in determining the allowance for credit loss on off-balance sheet credit exposures. Troubled Debt Restructuring Standard Description Required date of adoption Effect on Consolidated Financial Statements Standards Adopted in 2020 Measurement of Credit Losses on Financial Instruments This ASU changes how entities report credit losses for financial assets held at amortized cost and available-for-sale debt securities. The amendments replace the “incurred loss” approach with a methodology that incorporates macroeconomic forecast assumptions and management judgments applicable to and through the expected life of the portfolios based on relevant information about past events, including historical loss experience, current conditions, and reasonable and supportable forecasts that affect the collectability of the reported amounts. The amendments apply to financial assets such as loans, leases and held-to-maturity investments; and certain off-balance sheet credit exposures. The amendments expand credit quality disclosure requirements. January 1, 2020 The Company adopted the standard’s provisions and all of its related updates on January 1, 2020. The amendments were applied on a modified retrospective basis. See Note 1 - Summary of Significant Accounting Principles for information on the impact of the adoption of ASU 2016-13 on the Company’s Consolidated Financial Statements. Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting The amendments provide expedients and exceptions for applying GAAP to contracts or hedging relationships affected by the discontinuance of LIBOR as a benchmark rate to alleviate the burden and cost of such modifications. The expedients and exceptions provided by the amendments do not apply to contract modifications made and hedging relationships entered into or evaluated after December 31, 2022, except for hedging relationships existing as of December 31, 2022, that an entity has elected certain optional expedients for and that are retained through the end of the hedging relationship. The amendments also provide a one-time election to sell and/or transfer debt securities classified as held to maturity that reference a rate affected by reference rate reform. Effective for a limited time as of March 12, 2020 through December 31, 2022 The Company is evaluating its financial instruments indexed to USD-LIBOR for which the amendments provide expedients and administrative relief. The adoption of reference rate reform did not immediately impact the Company’s Consolidated Financial Statements. Intangibles-Goodwill and Other- Internal-Use Software (Subtopic 350-40): Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract (a consensus of the FASB Emerging Issues Task Force) This new guidance aligns the requirements for capitalizing implementation costs incurred in a hosting arrangement that is a service contract with the requirements for capitalizing implementation costs incurred to develop or obtain internal-use software. Specifically, where a cloud computing arrangement includes a license to internal-use software, the software license is accounted for by the customer in accordance with Subtopic 350-40, “Intangibles- Goodwill and Other-Internal-Use Software”. January 1, 2020 Early adoption permitted The Company will apply the amendments in this Update prospectively to all implementation costs incurred after January 1, 2020. The adoption of ASU No. 2018-15 did not have an impact on the Company’s Consolidated Financial Statements. Fair Value Measurement (Topic 820): Disclosure Framework-Changes to the Disclosure Requirements for Fair Value Measurement The amendments remove the requirement to disclose the amount of, and reasons for, transfers between Level 1 and Level 2 of the fair value hierarchy, the policy for timing of such transfers and the valuation processes for Level 3 fair value measurements. The ASU modifies the disclosure requirements for investments in certain entities that calculate net asset value and clarify the purpose of the measurement uncertainty disclosure. The ASU adds disclosure requirements about the changes in unrealized gains and losses included in other comprehensive income for recurring Level 3 fair value measurements and the range and weighted average of significant unobservable inputs used to develop Level 3 fair value measurements. January 1, 2020 Early adoption permitted to any removed or modified disclosures and delay of adoption of additional disclosures until the effective date Changes should be applied retrospectively to all periods presented upon the effective date with the exception of the following, which should be applied prospectively: disclosures relating to changes in unrealized gains and losses, the range and weighted average of significant unobservable inputs used to develop Level 3 fair value measurements, and the disclosures for uncertainty measurement. The adoption of ASU 2018-13 did not have an impact on the Company’s Consolidated Financial Statements. Standard Description Required date of adoption Effect on Consolidated Financial Statements Intangibles - Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment This ASU simplifies subsequent measurement of goodwill by eliminating Step 2 of the impairment test while retaining the option to perform the qualitative assessment for a reporting unit to determine whether the quantitative impairment test is necessary. The ASU also eliminates the requirements for any reporting unit with a zero or negative carrying amount to perform a qualitative assessment and, if it fails that qualitative test, to perform Step 2 of the goodwill impairment test. Therefore, the same impairment assessment applies to all reporting units. January 1, 2020 Early adoption permitted for interim or annual goodwill impairment testing dates beginning after January 1, 2017 The Company is applying the amendments in ASU 2017-04 prospectively for goodwill impairment testing conducted after January 1, 2020. Standards Not Yet Adopted Investments-Equity Securities (Topic 321), Investments-Equity Method and Joint Ventures (Topic 323), and Derivatives and Hedging (Topic 815): Clarifying the Interactions between Topic 321, Topic 323, and Topic 815 (a consensus of the Emerging Issues Task Force) This update clarifies the application of the alternative provided in ASU 2016-01 to measure certain equity securities without a readily determinable fair value. The amendments in this update clarify that a company should consider observable transactions that require it to either apply or discontinue the equity method of accounting under Topic 323 for the purposes of applying the measurement alternative in accordance with Topic 321 immediately before applying or upon discontinuing the equity method. The amendments further provide clarification related to the accounting for certain forward contracts and purchased options. January 1, 2021 Early adoption permitted The update is to be applied prospectively. The Company does not expect ASU 2020-01 to have a material impact on its Consolidated Financial Statements. Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes The amendments simplify the accounting for income taxes by removing certain exceptions to general principles in Topic 740 and also clarify and amend existing guidance. January 1, 2021 Early adoption permitted This update will be effective for the Company January 1, 2021 with early adoption permitted. The Company does not expect ASU No. 2019-12 to have a material impact on its Consolidated Financial Statements. 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 postretirement plans by removing disclosures that no longer are considered cost beneficial, clarifying the specific requirements of disclosures, and adding disclosure requirements identified as relevant. January 1, 2021 Early adoption permitted The update is to be applied on a retrospective basis. The Company will evaluate the effect of ASU 2018-14 on disclosures with regard to employee benefit plans but does not expect a material impact on the Company’s Consolidated Financial Statements.

Earnings Per Share (Tables)

Earnings Per Share (Tables)	3 Months Ended
	Mar. 31, 2020
Earnings Per Share [Abstract]
Summary of our earnings per share calculations and reconciliation of basic to diluted earnings per share	The following is a summary of our earnings per share calculations and reconciliation of basic to diluted earnings per share. For the Three Months Ended March 31, 2020 2019 (Dollars in thousands, except per share data) Earnings for basic and diluted earnings per common share Earnings applicable to common stockholders $ 39,512 $ 48,158 Shares Weighted-average common shares outstanding - basic 233,262,860 267,664,063 Effect of dilutive common stock equivalents (1) 369,981 605,667 Weighted-average common shares outstanding - diluted 233,632,841 268,269,730 Earnings per common share Basic $ 0.17 $ 0.18 Diluted $ 0.17 $ 0.18 (1) For the three months ended March 31, 2020 and 2019 , there were 5,798,379 and 10,278,975 equity awards, respectively, that could potentially dilute basic earnings per share in the future that were not included in the computation of diluted earnings per share because to do so would have been anti-dilutive for the periods presented.

Securities (Tables)

Securities (Tables)	3 Months Ended
	Mar. 31, 2020
Investments, Debt and Equity Securities [Abstract]
Schedule of disaggregated net gains and losses on equity securities	The following table presents the disaggregated net gains on equity securities reported in the Consolidated Statements of Income: For the Three Months Ended March 31, 2020 2019 (In thousands) Net gains recognized on equity securities $ 78 64 Less: Net gains recognized on equity securities sold — — Unrealized gains recognized on equity securities $ 78 64
Summary of securities	The following tables present the carrying value, gross unrealized gains and losses, and estimated fair value for available-for-sale debt securities and the amortized cost, net unrealized losses, carrying value, gross unrecognized gains and losses, estimated fair value and allowance for credit losses for held-to-maturity debt securities as of the dates indicated. At March 31, 2020 Carrying value Gross unrealized gains Gross unrealized losses Estimated fair value (In thousands) Available-for-sale: Mortgage-backed securities: Federal Home Loan Mortgage Corporation $ 1,145,187 37,179 3,150 1,179,216 Federal National Mortgage Association 1,085,924 45,411 19 1,131,316 Government National Mortgage Association 256,245 8,669 — 264,914 Total debt securities available-for-sale $ 2,487,356 91,259 3,169 2,575,446 At March 31, 2020 Amortized cost Net unrealized losses (1) Carrying value Gross unrecognized gains (2) Gross unrecognized losses (2) Estimated fair value (In thousands) Held-to-maturity: Debt securities: Government-sponsored enterprises $ 42,195 — 42,195 2,796 — 44,991 Municipal bonds 164,196 — 164,196 5,311 365 169,142 Corporate and other debt securities 87,702 14,535 73,167 16,641 1,867 87,941 Total debt securities held-to-maturity 294,093 14,535 279,558 24,748 2,232 302,074 Mortgage-backed securities: Federal Home Loan Mortgage Corporation 251,101 117 250,984 8,617 — 259,601 Federal National Mortgage Association 519,444 316 519,128 20,484 — 539,612 Government National Mortgage Association 64,850 — 64,850 2,917 — 67,767 Total mortgage-backed securities held-to-maturity 835,395 433 834,962 32,018 — 866,980 Total debt securities held-to-maturity $ 1,129,488 14,968 1,114,520 56,766 2,232 1,169,054 Allowance for credit losses 2,995 Total debt securities held-to-maturity, net of allowance for credit losses 1,111,525 (1) Net unrealized losses of held-to-maturity corporate and other debt securities represent the previously recorded other than temporary charge related to other non-credit factors and is being amortized through accumulated other comprehensive income over the remaining life of the securities. For mortgage-backed securities, it represents the net loss on previously designated available-for sale debt securities transferred to held-to-maturity at fair value and is being amortized through accumulated other comprehensive income over the remaining life of the securities. (2) Unrecognized gains and losses of held-to-maturity debt securities are not reflected in the financial statements, as they represent fair value fluctuations from the later of: (i) the date a security is designated as held-to-maturity; or (ii) the date that an other than temporary impairment charge is recognized on a held-to-maturity security, through the date of the balance sheet. Effective January 1, 2020, held-to-maturity debt securities are evaluated for credit losses to determine if an allowance is necessary. Any allowance required is recorded through the provision for credit losses. At December 31, 2019 Carrying value Gross unrealized gains Gross unrealized losses Estimated fair value (In thousands) Available-for-sale: Mortgage-backed securities: Federal Home Loan Mortgage Corporation $ 1,223,587 17,528 736 1,240,379 Federal National Mortgage Association 1,159,446 18,917 314 1,178,049 Government National Mortgage Association 273,676 3,333 47 276,962 Total debt securities available-for-sale $ 2,656,709 39,778 1,097 2,695,390 At December 31, 2019 Amortized cost Net unrealized losses (1) Carrying value Gross unrecognized gains (2) Gross unrecognized losses (2) Estimated fair value (In thousands) Held-to-maturity: Debt securities: Government-sponsored enterprises $ 58,624 — 58,624 188 500 58,312 Municipal bonds 143,151 — 143,151 3,797 43 146,905 Corporate and other debt securities 87,322 14,785 72,537 26,158 — 98,695 Total debt securities held-to-maturity 289,097 14,785 274,312 30,143 543 303,912 Mortgage-backed securities: Federal Home Loan Mortgage Corporation 262,079 134 261,945 3,533 129 265,349 Federal National Mortgage Association 542,583 373 542,210 7,959 307 549,862 Government National Mortgage Association 70,348 — 70,348 633 — 70,981 Total mortgage-backed securities held-to-maturity 875,010 507 874,503 12,125 436 886,192 Total debt securities held-to-maturity $ 1,164,107 15,292 1,148,815 42,268 979 1,190,104 (1) Net unrealized losses of held-to-maturity corporate and other debt securities represent the other than temporary charge related to other non-credit factors and is being amortized through accumulated other comprehensive income over the remaining life of the securities. For mortgage-backed securities, it represents the net loss on previously designated available-for sale debt securities transferred to held-to-maturity at fair value and is being amortized through accumulated other comprehensive income over the remaining life of the securities. (2) Unrecognized gains and losses of held-to-maturity debt securities are not reflected in the financial statements, as they represent fair value fluctuations from the later of: (i) the date a security is designated as held-to-maturity; or (ii) the date that an other than temporary impairment charge is recognized on a held-to-maturity security, through the date of the balance sheet.
The amortized cost and estimated fair value of debt securities by contract maturity	Excluding the allowance for credit losses, the amortized cost and estimated fair value of debt securities other than mortgage-backed securities at March 31, 2020 , by contractual maturity, are shown below. March 31, 2020 Carrying value Estimated fair value (In thousands) Due in one year or less $ 3,079 3,079 Due after one year through five years — — Due after five years through ten years 38,853 40,250 Due after ten years 237,626 258,745 Total $ 279,558 302,074
Gross unrealized losses on debt securities and the estimated fair value of the related securities, aggregated by investment category	Gross unrealized losses on debt securities and the estimated fair value of the related securities, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position at March 31, 2020 and December 31, 2019 , were as follows: March 31, 2020 Less than 12 months 12 months or more Total Estimated fair value Unrealized losses Estimated fair value Unrealized losses Estimated fair value Unrealized losses (In thousands) Available-for-sale: Mortgage-backed securities: Federal Home Loan Mortgage Corporation $ 192,879 3,150 — — 192,879 3,150 Federal National Mortgage Association 12,447 19 — — 12,447 19 Total debt securities available-for-sale 205,326 3,169 — — 205,326 3,169 Held-to-maturity: Debt securities: Municipal bonds 34,049 365 — — 34,049 365 Corporate and other debt securities 26,507 1,867 — — 26,507 1,867 Total debt securities held-to-maturity 60,556 2,232 — — 60,556 2,232 Total $ 265,882 5,401 — — 265,882 5,401 December 31, 2019 Less than 12 months 12 months or more Total Estimated fair value Unrealized losses Estimated fair value Unrealized losses Estimated fair value Unrealized losses (In thousands) Available-for-sale: Mortgage-backed securities: Federal Home Loan Mortgage Corporation $ 215,160 736 — — 215,160 736 Federal National Mortgage Association 80,298 297 12,972 17 93,270 314 Government National Mortgage Association 20,078 47 — — 20,078 47 Total debt securities available-for-sale 315,536 1,080 12,972 17 328,508 1,097 Held-to-maturity: Debt securities: Government-sponsored enterprises 31,696 500 — — 31,696 500 Municipal bonds 23,596 43 — — 23,596 43 Total debt securities held-to-maturity 55,292 543 — — 55,292 543 Mortgage-backed securities: Federal Home Loan Mortgage Corporation 20,860 64 11,065 65 31,925 129 Federal National Mortgage Association 7,911 52 37,316 255 45,227 307 Total mortgage-backed securities held-to-maturity 28,771 116 48,381 320 77,152 436 Total debt securities held-to-maturity 84,063 659 48,381 320 132,444 979 Total $ 399,599 1,739 61,353 337 460,952 2,076

Loans Receivable, Net (Tables)

Loans Receivable, Net (Tables)	3 Months Ended
	Mar. 31, 2020
Receivables [Abstract]
Schedule of loan portfolio	The detail of the loan portfolio as of March 31, 2020 and December 31, 2019 was as follows: March 31, December 31, (In thousands) Multi-family loans $ 7,619,676 7,813,236 Commercial real estate loans 4,682,009 4,831,347 Commercial and industrial loans 3,055,501 2,951,306 Construction loans 274,588 262,866 Total commercial loans 15,631,774 15,858,755 Residential mortgage loans 4,955,755 5,144,718 Consumer and other loans 698,580 699,796 Total loans 21,286,109 21,703,269 Deferred fees, premiums and other, net (1) 7,275 907 Allowance for credit losses (243,288 ) (228,120 ) Net loans $ 21,050,096 21,476,056 (1) Included in deferred fees and premiums are accretable purchase accounting adjustments in connection with loans acquired and an adjustment to the carrying amount of the residential loans hedged.
Financing Receivable Credit Quality Indicators	The following tables presents the risk category of loans as of March 31, 2020 and December 31, 2019 by class of loan: Term Loans by Origination Year 2020 2019 2018 2017 2016 Prior Revolving Loans Total (In thousands) Multi-family Pass 219,004 767,974 1,410,733 815,118 1,375,990 2,265,686 12,434 6,866,939 Watch 7,160 18,773 70,644 106,416 52,957 178,850 202 435,002 Special mention — — 7,497 6,526 45,627 31,035 — 90,685 Substandard — — — 6,281 48,824 171,448 497 227,050 Total Multi-family 226,164 786,747 1,488,874 934,341 1,523,398 2,647,019 13,133 7,619,676 Commercial real estate Pass 128,867 853,834 759,383 517,293 619,812 1,445,920 22,391 4,347,500 Watch 5,750 — 4,528 18,170 35,002 27,939 — 91,389 Special mention — — — 6,072 12,784 59,914 — 78,770 Substandard — 1,000 2,357 15,568 13,897 131,528 — 164,350 Total Commercial real estate 134,617 854,834 766,268 557,103 681,495 1,665,301 22,391 4,682,009 Commercial and industrial Pass 213,051 844,283 416,862 186,638 203,740 488,618 251,751 2,604,943 Watch 10,728 45,596 35,063 79,411 16,460 51,367 11,360 249,985 Special mention — — 35,899 22,932 — 37,997 4,438 101,266 Substandard 212 4,047 24,000 3,752 26,335 24,787 16,174 99,307 Total Commercial and industrial 223,991 893,926 511,824 292,733 246,535 602,769 283,723 3,055,501 Construction Pass 13,096 40,974 75,642 20,264 — 8,975 80,445 239,396 Watch 8,560 — — — — — 8,321 16,881 Special mention — — — — — — — — Substandard — — — — — — 18,311 18,311 Construction 21,656 40,974 75,642 20,264 — 8,975 107,077 274,588 Residential mortgage Pass 82,520 640,248 687,947 760,168 512,627 2,200,254 — 4,883,764 Watch — 703 — 1,946 782 13,832 — 17,263 Special mention — — 520 — 1,114 4,053 — 5,687 Substandard — — 399 458 780 47,299 105 49,041 Total residential mortgage 82,520 640,951 688,866 762,572 515,303 2,265,438 105 4,955,755 Consumer and other Pass 1,210 10,751 7,683 10,126 12,471 74,615 568,994 685,850 Watch — — — — 184 463 7,402 8,049 Special mention — — — — 128 — 1,984 2,112 Substandard — — — — — 1,921 648 2,569 Consumer and other 1,210 10,751 7,683 10,126 12,783 76,999 579,028 698,580 Total $ 690,158 3,228,183 3,539,157 2,577,139 2,979,514 7,266,501 1,005,457 21,286,109 December 31, 2019 Pass Watch Special Mention Substandard Doubtful Loss Total (In thousands) Commercial loans: Multi-family $ 6,326,412 942,438 167,748 376,638 — — 7,813,236 Commercial real estate 4,023,642 489,514 118,426 199,765 — — 4,831,347 Commercial and industrial 2,031,148 693,397 111,389 115,372 — — 2,951,306 Construction 169,236 75,319 — 18,311 — — 262,866 Total commercial loans 12,550,438 2,200,668 397,563 710,086 — — 15,858,755 Residential mortgage 5,074,334 14,414 5,429 50,541 — — 5,144,718 Consumer and other 687,302 9,157 1,174 2,163 — — 699,796 Total $ 18,312,074 2,224,239 404,166 762,790 — — 21,703,269
Payment status of the recorded investment in past due loans	The following tables present the payment status of the recorded investment in past due loans as of March 31, 2020 and December 31, 2019 by class of loans: March 31, 2020 30-59 Days 60-89 Days Greater than 90 Days Total Past Due Current Total Loans Receivable (In thousands) Commercial loans: Multi-family $ 59,157 — 22,206 81,363 7,538,313 7,619,676 Commercial real estate 23,871 322 3,698 27,891 4,654,118 4,682,009 Commercial and industrial 6,119 5,176 7,792 19,087 3,036,414 3,055,501 Construction — — — — 274,588 274,588 Total commercial loans 89,147 5,498 33,696 128,341 15,503,433 15,631,774 Residential mortgage 19,043 6,187 27,449 52,679 4,903,076 4,955,755 Consumer and other 8,050 2,112 1,786 11,948 686,632 698,580 Total $ 116,240 13,797 62,931 192,968 21,093,141 21,286,109 December 31, 2019 30-59 Days 60-89 Days Greater than 90 Days Total Past Due Current Total Loans Receivable (In thousands) Commercial loans: Multi-family $ 45,606 1,946 22,055 69,607 7,743,629 7,813,236 Commercial real estate 7,958 525 3,787 12,270 4,819,077 4,831,347 Commercial and industrial 7,774 2,767 5,053 15,594 2,935,712 2,951,306 Construction — — — — 262,866 262,866 Total commercial loans 61,338 5,238 30,895 97,471 15,761,284 15,858,755 Residential mortgage 16,980 6,195 27,729 50,904 5,093,814 5,144,718 Consumer and other 9,157 1,174 1,330 11,661 688,135 699,796 Total $ 87,475 12,607 59,954 160,036 21,543,233 21,703,269
Non-accrual loans status	The following table presents individually evaluated collateral-dependent loans by class of loans at the date indicated: March 31, 2020 Real Estate Other Total (Dollars in thousands) Multi-family $ 22,081 — 22,081 Commercial real estate 7,592 — 7,592 Commercial and industrial 4,319 11,182 15,501 Construction — — — Total commercial loans 33,992 11,182 45,174 Residential mortgage and consumer 26,168 120 26,288 Total collateral-dependent loans $ 60,160 11,302 71,462 The following table presents non-accrual loans at the date indicated: December 31, 2019 # of loans Amount (Dollars in thousands) Non-accrual: Multi-family 8 $ 23,322 Commercial real estate 22 11,945 Commercial and industrial 18 12,482 Total commercial loans 48 47,749 Residential mortgage and consumer 260 47,566 Total non-accrual loans 308 $ 95,315 The following table presents non-accrual loans at the date indicated: March 31, 2020 # of loans Amount (Dollars in thousands) Non-accrual: Multi-family 9 $ 23,432 Commercial real estate 21 11,385 Commercial and industrial 22 17,007 Total commercial loans 52 51,824 Residential mortgage and consumer 258 46,587 Total non-accrual loans 310 $ 98,411 March 31, 2020 and December 31, 2019 , these loans are comprised of the following: March 31, 2020 December 31, 2019 # of loans Amount # of loans Amount (Dollars in thousands) TDR with payment status current classified as non-accrual: Commercial real estate 2 $ 2,347 2 $ 2,360 Residential mortgage and consumer 26 4,325 25 4,218 Total TDR with payment status current classified as non-accrual 28 $ 6,672 27 $ 6,578 The following table presents TDR loans which were also 30 - 89 days delinquent and classified as non-accrual at the dates indicated: March 31, 2020 December 31, 2019 # of loans Amount # of loans Amount (Dollars in thousands) TDR 30-89 days delinquent classified as non-accrual: Residential mortgage and consumer 15 $ 2,281 18 $ 3,331 Total TDR 30-89 days delinquent classified as non-accrual 15 $ 2,281 18 $ 3,331
Troubled debt restructured loans	The following tables present the total TDR loans at March 31, 2020 and December 31, 2019 : March 31, 2020 Accrual Non-accrual Total # of loans Amount # of loans Amount # of loans Amount (Dollars in thousands) Commercial loans: Commercial real estate — $ — 2 $ 2,347 2 $ 2,347 Commercial and industrial 3 2,730 2 4,207 5 6,937 Total commercial loans 3 2,730 4 6,554 7 9,284 Residential mortgage and consumer 52 10,103 78 16,184 130 26,287 Total 55 $ 12,833 82 $ 22,738 137 $ 35,571 December 31, 2019 Accrual Non-accrual Total # of loans Amount # of loans Amount # of loans Amount (Dollars in thousands) Commercial loans: Commercial real estate — $ — 3 $ 2,362 3 $ 2,362 Commercial and industrial 3 2,535 2 4,682 5 7,217 Total commercial loans 3 2,535 5 7,044 8 9,579 Residential mortgage and consumer 54 10,549 78 16,458 132 27,007 Total 57 $ 13,084 83 $ 23,502 140 $ 36,586
Schedule of troubled debt restructuring	The following tables present information about TDRs that occurred during the three months ended March 31, 2020 and 2019 : Three Months Ended March 31, 2020 2019 Number of Loans Pre-modification Recorded Investment Post- modification Recorded Investment Number of Loans Pre-modification Recorded Investment Post- modification Recorded Investment (Dollars in thousands) Troubled Debt Restructurings: Commercial and industrial 1 $ 933 $ 933 — $ — $ — Residential mortgage and consumer — — — 6 1,664 1,664
Schedule of troubled debt restructuring, interest yield	The following tables present information about pre and post modification interest yield for TDRs which occurred during the three months ended March 31, 2020 and 2019 : Three Months Ended March 31, 2020 2019 Number of Loans Pre-modification Interest Yield Post- modification Interest Yield Number of Loans Pre-modification Interest Yield Post- modification Interest Yield Troubled Debt Restructurings: Commercial and industrial 1 4.75 % 4.75 % — — % — % Residential mortgage and consumer — — % — % 6 5.26 % 4.90 %
Impaired Financing Receivables	The following table presents, under previously applicable GAAP, loans individually evaluated for impairment by portfolio segment as of December 31, 2019 : December 31, 2019 Recorded Investment Unpaid Principal Balance Related Allowance Average Recorded Investment Interest Income Recognized (In thousands) With no related allowance: Multi-family $ 22,169 23,581 — 23,298 47 Commercial real estate 7,875 10,913 — 8,127 199 Commercial and industrial 12,476 21,090 — 14,860 351 Construction — — — — — Total commercial loans 43 56 — 46 1 Residential mortgage and consumer 13,783 18,066 — 13,811 267 With an allowance recorded: Multi-family — — — — — Commercial real estate — — — — — Commercial and industrial — — — — — Construction — — — — — Total commercial loans — — — — — Residential mortgage and consumer 13,220 13,881 1,763 13,321 153 Total: Multi-family 22,169 23,581 — 23,298 47 Commercial real estate 7,875 10,913 — 8,127 199 Commercial and industrial 12,476 21,090 — 14,860 351 Construction — — — — — Total commercial loans 43 56 — 46 1 Residential mortgage and consumer 27,003 31,947 1,763 27,132 420 Total impaired loans $ 69,523 87,531 1,763 73,417 1,017

Allowance for Credit Losses (Ta

Allowance for Credit Losses (Tables)	3 Months Ended
	Mar. 31, 2020
Credit Loss [Abstract]
Financing Receivable, Allowance for Credit Loss	An analysis of the allowance for credit losses for loans receivable is summarized as follows: Three Months Ended March 31, 2020 2019 (In thousands) Balance at beginning of the period $ 228,120 235,817 Impact of adopting ASC 326 (3,551 ) — Gross charge offs (10,930 ) (5,445 ) Recoveries 2,897 1,345 Net charge-offs (8,033 ) (4,100 ) Provision for credit loss expense 26,752 3,000 Balance at end of the period $ 243,288 234,717
Debt Securities, Held-to-maturity, Allowance for Credit Loss	An analysis of the allowance for credit losses for debt securities held-to-maturity is summarized as follows: Three Months Ended March 31, 2020 (In thousands) Balance at beginning of the period $ — Impact of adopting ASC 326 2,564 Provision for credit losses 431 Balance at end of the period $ 2,995 The following tables present the balance in the allowance for credit losses for debt securities held-to-maturity by portfolio segment as of March 31, 2020 : March 31, 2020 Municipal Bonds Corporate and Other Debt Securities Total (Dollars in thousands) Allowance for credit losses: Beginning balance-December 31, 2019 — — — Impact of adopting ASC 326 17 2,547 2,564 Provision for credit loss — 431 431 Ending balance-March 31, 2020 17 2,978 2,995
Schedule of Fair Value, Off-balance Sheet Risks	An analysis of the allowance for credit losses for off-balance sheet credit exposures is as follows: Three Months Ended March 31, 2020 (In thousands) Balance at beginning of the period $ 425 Impact of adopting ASC 326 12,674 Provision for credit losses 4,043 Balance at end of the period $ 17,142

Deposits (Tables)

Deposits (Tables)	3 Months Ended
	Mar. 31, 2020
Banking and Thrift [Abstract]
Summary of deposits	Deposits are summarized as follows: March 31, 2020 December 31, 2019 (In thousands) Non-interest bearing: Checking accounts $ 2,422,891 2,472,232 Interest bearing: Checking accounts 5,435,066 5,512,979 Money market deposits 4,046,257 3,817,718 Savings 2,092,846 2,050,101 Certificates of deposit 4,187,566 4,007,308 Total deposits $ 18,184,626 17,860,338

Goodwill and Other Intangible_2

Goodwill and Other Intangible Assets (Tables)	3 Months Ended
	Mar. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]
Schedule of goodwill and intangible assets	The following table summarizes goodwill and intangible assets at March 31, 2020 and December 31, 2019 : March 31, 2020 December 31, 2019 (In thousands) Mortgage servicing rights $ 12,200 12,125 Core deposit premiums 2,243 2,530 Other 646 668 Total other intangible assets 15,089 15,323 Goodwill 82,546 82,546 Goodwill and intangible assets $ 97,635 97,869
Summary of intangible assets	The following table summarizes other intangible assets as of March 31, 2020 and December 31, 2019 : Gross Intangible Asset Accumulated Amortization Valuation Allowance Net Intangible Assets (In thousands) March 31, 2020 Mortgage servicing rights $ 19,740 (7,237 ) (303 ) 12,200 Core deposit premiums 20,561 (18,318 ) — 2,243 Other 1,150 (504 ) — 646 Total other intangible assets $ 41,451 (26,059 ) (303 ) 15,089 December 31, 2019 Mortgage servicing rights $ 19,368 (7,140 ) (103 ) 12,125 Core deposit premiums 20,561 (18,031 ) — 2,530 Other 1,150 (482 ) — 668 Total other intangible assets $ 41,079 (25,653 ) (103 ) 15,323

Leases (Tables)

Leases (Tables)	3 Months Ended
	Mar. 31, 2020
Leases [Abstract]
Balance Sheet Information Related to Leases	The following table presents the balance sheet information related to our operating leases: March 31, 2020 December 31, 2019 (Dollars in thousands) Operating lease right-of-use assets $ 170,549 175,143 Operating lease liabilities 181,917 185,827 Weighted average remaining lease term 9.5 years 9.7 years Weighted average discount rate 2.74 % 2.74 %
Lease Cost	The following table presents the components of total operating lease cost recognized in the Consolidated Statements of Income: Three Months Ended March 31, 2020 2019 (In thousands) Included in office occupancy and equipment expense: Operating lease cost $ 6,280 6,320 Short-term lease cost 86 83 Variable lease cost — — Included in other income: Sublease income 67 67 The following table presents supplemental cash flow information related to operating leases: Three Months Ended March 31, 2020 2019 (In thousands) Cash paid for amounts included in the measurement of operating lease liabilities: Operating cash flows from operating leases $ 5,707 6,138 Operating lease liabilities arising from obtaining right-of-use assets (non-cash): Operating leases 558 18
Maturity of Operating Lease Liabilities	Future minimum operating lease payments and reconciliation to operating lease liabilities at March 31, 2020 and December 31, 2019 : March 31, 2020 December 31, 2019 (In thousands) 2020 $ 18,281 24,013 2021 23,988 23,888 2022 22,390 22,270 2023 21,347 21,227 2024 21,282 21,162 Thereafter 100,802 100,662 Total lease payments 208,090 213,222 Less: Imputed interest (26,173 ) (27,395 ) Total operating lease liabilities $ 181,917 185,827

Equity Incentive Plan (Tables)

Equity Incentive Plan (Tables)	3 Months Ended
	Mar. 31, 2020
Share-based Payment Arrangement [Abstract]
Schedule of share-based payment award, stock options, valuation assumptions	The fair value of stock options granted as part of the 2015 Plan was estimated utilizing the Black-Scholes option pricing model using the following assumptions for the periods presented below: Three Months Ended March 31, 2019 Weighted average expected life (in years) 6.50 Weighted average risk-free rate of return 2.55 % Weighted average volatility 18.59 % Dividend yield 3.49 % Weighted average fair value of options granted $ 1.65 Total stock options granted 25,000
Schedule of share based compensation expense	The following table presents the share-based compensation expense for the three months ended March 31, 2020 and 2019 : Three Months Ended March 31, 2020 2019 (In thousands) Stock option expense $ 988 1,302 Restricted stock expense 2,901 3,271 Total share-based compensation expense $ 3,889 4,573
Schedule of Company’s stock option activity and related information	The following is a summary of the Company’s stock option activity and related information for the three months ended March 31, 2020 : Number of Stock Options Weighted Average Exercise Price Weighted Average Remaining Contractual Life (in years) Aggregate Intrinsic Value Outstanding at December 31, 2019 5,654,461 $ 12.46 5.5 $ 363 Granted — — — Exercised — — — Forfeited (8,802 ) 12.55 Expired (27,427 ) 12.54 Outstanding at March 31, 2020 5,618,232 12.46 5.3 — Exercisable at March 31, 2020 2,936,353 $ 12.39 5.2 $ —
Schedule of status of the Company’s restricted shares	The following is a summary of the status of the Company’s restricted shares as of March 31, 2020 and changes therein during the three months ended: Number of Shares Awarded Weighted Average Grant Date Fair Value Outstanding at December 31, 2019 2,894,352 $ 12.57 Granted 64,923 10.78 Vested (186,411 ) 13.25 Forfeited (15,973 ) 12.34 Outstanding and non-vested at March 31, 2020 2,756,891 $ 12.49

Net Periodic Benefit Plan Exp_2

Net Periodic Benefit Plan Expense (Tables)	3 Months Ended
	Mar. 31, 2020
Retirement Benefits [Abstract]
Components of of net periodic benefit cost for the Directors’ Plan and the Wage Replacement Plan	The components of net periodic benefit cost for the Directors’ Plan and the SERP II are as follows: Three Months Ended March 31, 2020 2019 (In thousands) Interest cost $ 324 397 Amortization of: Net loss 8 — Total net periodic benefit cost $ 332 397

Derivatives and Hedging Activ_2

Derivatives and Hedging Activities (Tables)	3 Months Ended
	Mar. 31, 2020
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Schedule of fair value of the Company’s derivative financial instruments	Asset Derivatives Liability Derivatives March 31, 2020 December 31, 2019 March 31, 2020 December 31, 2019 Notional Amount Balance Sheet Location Fair Value Notional Amount Balance Sheet Location Fair Value Notional Amount Balance Sheet Location Fair Value Notional Amount Balance Sheet Location Fair Value (in millions) (In thousands) (in millions) (In thousands) (in millions) (In thousands) (in millions) (In thousands) Derivatives designated as hedging instruments: Interest Rate Swaps $ — Other assets $ — $ 2,675 Other assets $ 559 $ 3,200 Other liabilities $ 798 $ — Other liabilities $ — Total derivatives designated as hedging instruments $ — $ 559 $ 798 $ — Derivatives not designated as hedging instruments: Interest Rate Swaps $ 361 Other assets $ 33,028 $ 652 Other assets $ 5,430 $ 361 Other liabilities $ 207 $ — Other liabilities $ — Other Contracts — Other assets — — Other assets — 22 Other liabilities 254 22 Other liabilities 125 Total derivatives not designated as hedging instruments $ 33,028 $ 5,430 $ 461 $ 125
Effect of the Company’s derivative financial instruments on the Consolidated Statement of Income	The following table presents the effect of the Company’s derivative financial instruments on the Accumulated Comprehensive Income (Loss) for the three months ended March 31, 2020 and 2019 . Three Months Ended March 31, 2020 2019 (In thousands) Cash Flow Hedges - Interest rate swaps Amount of loss recognized in other comprehensive income (loss) $ (100,361 ) (19,681 ) Amount of (loss) gain reclassified from accumulated other comprehensive income (loss) to interest expense (2,089 ) 2,090 The following table presents the effect of the Company’s derivative financial instruments on the Consolidated Statements of Income as of March 31, 2020 and 2019 . For the Three Months Ended March 31, 2020 2019 The effects of fair value and cash flow hedging: Income statement location (In thousands) Gain or (loss) on fair value hedging relationships in Subtopic 815-20 Interest contracts Hedged items Interest income on loans $ 6,769 922 Derivatives designated as hedging instruments Interest income on loans (7,188 ) (1,021 ) Gain or (loss) on cash flow hedging relationships in Subtopic 815-20 Interest contracts Amount of (loss) gain reclassified from accumulated other comprehensive income (loss) Interest expense on borrowings (2,089 ) 2,090 Amount of gain or (loss) reclassified from accumulated other comprehensive income (loss) as a result that a forecasted transaction is no longer probable of occurring Interest expense on borrowings — — Total amounts of income and expense line items presented in the income statement in which the effects of fair value are recorded $ (2,508 ) 1,991
Schedule of cumulative basis adjustment for fair value hedges	As of March 31, 2020 and December 31, 2019 , the following amounts were recorded on the Consolidated Balance Sheets related to cumulative basis adjustment for fair value hedges: Balance sheet location Carrying Amount of the Hedged Assets/(Liabilities) Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets/(Liabilities) March 31, 2020 December 31, 2019 March 31, 2020 December 31, 2019 (In thousands) Loans receivable, net (1)(2) $ 484,889 478,120 $ 13,042 6,426 (1) At March 31, 2020 , the amortized cost basis of the closed portfolios used in these hedging relationships was $1.34 billion ; the cumulative basis adjustments associated with these hedging relationships was $13.0 million ; and the amounts of the designated hedged items were $484.9 million . (2) The balance of Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets/(Liabilities) as of March 31, 2020 includes $3.1 million of hedging adjustment on discontinued hedging relationships.
Derivatives not designated as hedging instruments	The table below presents the effect of the Company’s derivative financial instruments that are not designated as hedging instruments on the Consolidated Statements of Income as of March 31, 2020 : Consolidated Statements of Income location Amount of Gain or (Loss) Recognized in Income on Derivative For the Three Months Ended March 31, 2020 2019 (In thousands) Other Contracts Other income / (expense) $ (129 ) 29 Total $ (129 ) 29
Offsetting assets	Gross Amounts Not Offset Gross Amounts Recognized Gross Amounts Offset Net Amounts Presented Financial Instruments Cash Collateral Posted Net Amount (In thousands) March 31, 2020 Assets: Derivative contracts $ — — — — — — Liabilities: Derivative contracts 1,259 — 1,259 — — 1,259 December 31, 2019 Assets: Derivative contracts $ 821 — 821 — — 821 Liabilities: Derivative contracts $ 125 — 125 — — 125
Offsetting liabilities	Gross Amounts Not Offset Gross Amounts Recognized Gross Amounts Offset Net Amounts Presented Financial Instruments Cash Collateral Posted Net Amount (In thousands) March 31, 2020 Assets: Derivative contracts $ — — — — — — Liabilities: Derivative contracts 1,259 — 1,259 — — 1,259 December 31, 2019 Assets: Derivative contracts $ 821 — 821 — — 821 Liabilities: Derivative contracts $ 125 — 125 — — 125

Comprehensive Income (Tables)

Comprehensive Income (Tables)	3 Months Ended
	Mar. 31, 2020
Equity [Abstract]
Components of comprehensive income	The components of comprehensive income, gross and net of tax, are as follows: Three Months Ended March 31, 2020 2019 Gross Tax Net Gross Tax Net (Dollars in thousands) Net income $ 54,159 (14,647 ) 39,512 67,463 (19,305 ) 48,158 Other comprehensive (loss) income: Change in funded status of retirement obligations 28 (8 ) 20 18 (5 ) 13 Unrealized gains on debt securities available-for-sale 49,409 (11,781 ) 37,628 21,514 (5,275 ) 16,239 Accretion of loss on debt securities reclassified to held-to-maturity from available-for-sale 74 (18 ) 56 157 (44 ) 113 Other-than-temporary impairment accretion on debt securities recorded prior to January 1, 2020 250 (70 ) 180 251 (71 ) 180 Net losses on derivatives (98,272 ) 27,624 (70,648 ) (21,771 ) 6,120 (15,651 ) Total other comprehensive (loss) income (48,511 ) 15,747 (32,764 ) 169 725 894 Total comprehensive income $ 5,648 1,100 6,748 67,632 (18,580 ) 49,052
Component of accumulated other comprehensive loss	The following table presents the after-tax changes in the balances of each component of accumulated other comprehensive loss for the three months ended March 31, 2020 and 2019 : Change in funded status of retirement obligations Accretion of loss on debt securities reclassified to held-to-maturity Unrealized gains (losses) on debt securities available-for-sale and gains included in net income Other-than- temporary impairment accretion on debt securities Unrealized (losses) gains on derivatives Total accumulated other comprehensive loss (Dollars in thousands) Balance - December 31, 2019 $ (6,690 ) (386 ) 29,456 (10,629 ) (30,373 ) (18,622 ) Net change 20 56 37,628 180 (70,648 ) (32,764 ) Balance - March 31, 2020 $ (6,670 ) (330 ) 67,084 (10,449 ) (101,021 ) (51,386 ) Balance - December 31, 2018 $ (3,018 ) (921 ) (8,884 ) (11,397 ) 12,651 (11,569 ) Net change 13 113 16,239 180 (15,651 ) 894 Balance - March 31, 2019 $ (3,005 ) (808 ) 7,355 (11,217 ) (3,000 ) (10,675 ) The following table presents information about amounts reclassified from accumulated other comprehensive loss to the consolidated statements of income and the affected line item in the statement where net income is presented. Three Months Ended March 31, 2020 2019 (In thousands) Change in funded status of retirement obligations Amortization of net loss (gain) 8 (2 ) Interest expense Reclassification adjustment for unrealized losses (gains) on derivatives 2,090 (2,090 ) Total before tax 2,098 (2,092 ) Income tax (expense) benefit (567 ) 599 Net of tax $ 1,531 (1,493 )

Fair Value Measurements (Tables

Fair Value Measurements (Tables)	3 Months Ended
	Mar. 31, 2020
Fair Value Disclosures [Abstract]
Fair value, assets measured on recurring basis	The following tables provide the level of valuation assumptions used to determine the carrying value of our assets and liabilities measured at fair value on a recurring basis at March 31, 2020 and December 31, 2019 . Carrying Value at March 31, 2020 Total Level 1 Level 2 Level 3 (In thousands) Assets: Equity securities $ 6,140 6,140 — — Debt securities available for sale: Mortgage-backed securities: Federal Home Loan Mortgage Corporation $ 1,179,216 — 1,179,216 — Federal National Mortgage Association 1,131,316 — 1,131,316 — Government National Mortgage Association 264,914 — 264,914 — Total debt securities available-for-sale $ 2,575,446 — 2,575,446 — Interest rate swaps $ 33,028 — 33,028 — Liabilities: Derivatives: Interest rate swaps $ 1,005 — 1,005 — Other contracts 254 — 254 — Total derivatives $ 1,259 — 1,259 — Carrying Value at December 31, 2019 Total Level 1 Level 2 Level 3 (In thousands) Assets: Equity securities $ 6,039 6,039 — — Debt securities available for sale: Mortgage-backed securities: Federal Home Loan Mortgage Corporation $ 1,240,379 — 1,240,379 — Federal National Mortgage Association 1,178,049 — 1,178,049 — Government National Mortgage Association 276,962 — 276,962 — Total debt securities available-for-sale $ 2,695,390 — 2,695,390 — Interest rate swaps $ 5,989 — 5,989 — Liabilities: Derivatives: Other contracts 125 — 125 — Total derivatives $ 125 — 125 —
Carrying value of our assets measured at fair value on a non-recurring basis	The following tables provide the level of valuation assumptions used to determine the carrying value of our assets measured at fair value on a non-recurring basis at March 31, 2020 and December 31, 2019 . For the three months ended March 31, 2020 , there was no change to the carrying value of loans held for sale. For the three months ended December 31, 2019 , there was no change to the carrying value of impaired loans or loans held for sale. Security Type Valuation Technique Unobservable Input Range Weighted Average Input Carrying Value at March 31, 2020 Minimum Maximum Total Level 1 Level 2 Level 3 (In thousands) MSR, net Estimated cash flow Prepayment speeds 9.2% 28.9% 17.64% $ 10,227 — — 10,227 Collateral-dependent loans Market comparable and estimated cash flow Lack of marketability and probability of default 0.06% 6.80% 29.33% 2,889 — — 2,889 Other real estate owned Market comparable Lack of marketability 0.0% 25.0% 9.08% 1,407 — — 1,407 $ 14,523 — — 14,523 Security Type Valuation Technique Unobservable Input Range Weighted Average Input Carrying Value at December 31, 2019 Minimum Maximum Total Level 1 Level 2 Level 3 (In thousands) MSR, net Estimated cash flow Prepayment speeds 6.6% 29.1% 11.04% $ 10,409 — — 10,409 Other real estate owned Market comparable Lack of marketability 0.0% 25.0% 2.70% 262 — — 262 $ 10,671 — — 10,671
Carrying amounts and estimated fair values	The carrying values and estimated fair values of the Company’s financial instruments are presented in the following table. March 31, 2020 Carrying Estimated Fair Value value Total Level 1 Level 2 Level 3 (In thousands) Financial assets: Cash and cash equivalents $ 672,020 672,020 672,020 — — Equities 6,140 6,140 6,140 — — Debt securities available-for-sale 2,575,446 2,575,446 — 2,575,446 — Debt securities held-to-maturity, net 1,111,525 1,169,054 — 1,105,915 63,139 FHLB stock 269,127 269,127 269,127 — — Loans held for sale 36,311 36,311 — 36,311 — Net loans 21,050,096 21,481,376 — — 21,481,376 Derivative financial instruments 33,028 33,028 — 33,028 — Financial liabilities: Deposits, other than time deposits $ 13,997,060 13,997,060 13,997,060 — — Time deposits 4,187,566 4,322,322 — 4,322,322 — Borrowed funds 5,466,663 5,542,288 — 5,542,288 — Derivative financial instruments 1,259 1,259 — 1,259 — December 31, 2019 Carrying Estimated Fair Value value Total Level 1 Level 2 Level 3 (In thousands) Financial assets: Cash and cash equivalents $ 174,915 174,915 174,915 — — Equities 6,039 6,039 6,039 — — Debt securities available-for-sale 2,695,390 2,695,390 — 2,695,390 — Debt securities held-to-maturity 1,148,815 1,190,104 — 1,116,771 73,333 FHLB stock 267,219 267,219 267,219 — — Loans held for sale 29,797 29,797 — 29,797 — Net loans 21,476,056 21,563,627 — — 21,563,627 Derivative financial instruments 5,989 5,989 — 5,989 — Financial liabilities: Deposits, other than time deposits $ 13,853,030 13,853,030 13,853,030 — — Time deposits 4,007,308 4,007,342 — 4,007,342 — Borrowed funds 5,827,111 5,834,895 — 5,834,895 — Derivative financial instruments 125 125 — 125 —

Revenue Recognition (Tables)

Revenue Recognition (Tables)	3 Months Ended
	Mar. 31, 2020
Revenue from Contract with Customer [Abstract]
Disaggregation of Revenue	Revenue from contracts with customers included in fees and service charges and other income was as follows: Three Months Ended March 31, 2020 2019 (Dollars in thousands) Revenue from contracts with customers included in: Fees and service charges $ 3,950 3,283 Other income 3,019 2,223 Total revenue from contracts with customers $ 6,969 5,506

Summary of Significant Accoun_2

Summary of Significant Accounting Principles - Narrative (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Schedule of Accounting Policies [Line Items]
Debt securities, allowance for credit loss	$ 2,995,000	$ 0
Allowance for credit loss	(243,288,000)	(228,120,000)	$ (234,717,000)	$ (235,817,000)
Cumulative effect change from ASU	2,594,758,000	2,621,950,000	$ 2,955,830,000	3,005,330,000
Loans impairment analysis to include minimum commercial real estate, multi-family and construction loans outstanding balance	1,000,000
Outstanding minimum balance of loans that are evaluated for impairment individually	$ 1,000,000
Cumulative Effect, Period Of Adoption, Adjustment
Schedule of Accounting Policies [Line Items]
Allowance for Credit Loss		11,700,000
Unfunded Commitments, Allowance For Credit Loss		12,700,000
Debt securities, allowance for credit loss		2,564,000
Allowance for credit loss		3,551,000		$ 0
Cumulative effect change from ASU		$ (8,491,000)

Stock Transactions (Details)

Stock Transactions (Details) - USD ($)	Oct. 25, 2018	Mar. 31, 2020	Mar. 31, 2019
Stock Transactions [Line Items]
Percentage of shares to be repurchased (percentage)	10.00%
Number of shares authorized to be repurchased (shares)	28,886,780
Purchase of treasury stock (shares)		84,389	6,208,379
Stock repurchased during period, value		$ 932,000	$ 73,732,000
Stock repurchase cost, per share (usd per share)		$ 11.04

Business Combinations (Details)

Business Combinations (Details) - USD ($) $ / shares in Units, $ in Thousands	Mar. 31, 2020	Dec. 31, 2019	Jul. 24, 2019
Business Acquisition [Line Items]
Common stock, par value (usd per share)	$ 0.01	$ 0.01
Goodwill	$ 82,546	$ 82,546
Gold Coast Bancorp, Inc.
Business Acquisition [Line Items]
Percentage of common shares of acquiree converted into Investors Bancorp common stock			50.00%
Percentage of acquiree shares exchanged for cash			50.00%
Shares received in merger (in shares)			1.422
Common stock, par value (usd per share)			$ 0.01
Cash per share received in merger (in usd per share)			$ 15.75

Earnings Per Share (Summary of

Earnings Per Share (Summary of Calculations and Reconciliation of Basic to Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Earnings for basic and diluted earnings per common share
Earnings applicable to common stockholders	$ 39,512	$ 48,158
Shares
Weighted-average common shares outstanding - basic (shares)	233,262,860	267,664,063
Effect of dilutive common stock equivalents (shares)	369,981	605,667
Weighted-average common shares outstanding - diluted (shares)	233,632,841	268,269,730
Earnings per common share
Basic (usd per share)	$ 0.17	$ 0.18
Diluted (usd per share)	$ 0.17	$ 0.18
Equity awards
Earnings per common share
Securities excluded from computation of diluted earnings per share (shares)	5,798,379	10,278,975

Securities (Narrative) (Details

Securities (Narrative) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019	Jun. 30, 2019
Marketable Securities [Line Items]
Debt securities, allowance for credit loss	$ 2,995,000		$ 0
Equity securities	6,140,000		6,039,000
Debt securities, available-for-sale	2,575,446,000		2,695,390,000
Carrying value of held to maturity security			1,148,815,000
Estimated fair value	1,169,054,000		1,190,104,000
Held-to-maturity securities pledged as collateral	1,080,000,000
Held-to-maturity securities pledged as collateral, fair value	1,110,000,000
Proceeds from sale of held to maturity securities	0	$ 0
Proceeds from Sale and Maturity of Held-to-maturity Securities	16,500,000
Unrealized gains (losses) recognized during the period on equity securities	78,000	$ 64,000
Gain on sale of securities sold	124,000
Restatement Adjustment | Accounting Standards Update 2019-04
Marketable Securities [Line Items]
Debt securities, available-for-sale				$ 393,100,000
Corporate and other debt securities
Marketable Securities [Line Items]
Carrying value of held to maturity security	73,167,000		72,537,000
Estimated fair value	$ 87,941,000		$ 98,695,000
Debt maturities, term (years)	20 years
Corporate and other debt securities | Corporate and Other Debt Securities
Marketable Securities [Line Items]
Carrying value of held to maturity security	$ 48,200,000
Estimated fair value	$ 63,100,000

Securities (Equity Securities)

Securities (Equity Securities) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Investments, Debt and Equity Securities [Abstract]
Net gains recognized on equity securities	$ 78	$ 64
Less: Net gains recognized on equity securities sold	0	0
Unrealized gains recognized on equity securities	$ 78	$ 64

Securities (Summary of Securiti

Securities (Summary of Securities- AFS) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Debt Securities, Available-for-sale [Line Items]
Carrying value	$ 2,487,356	$ 2,656,709
Gross unrealized gains	91,259	39,778
Gross unrealized losses	3,169	1,097
Debt securities available-for-sale, at estimated fair value	2,575,446	2,695,390
Federal Home Loan Mortgage Corporation
Debt Securities, Available-for-sale [Line Items]
Carrying value	1,145,187	1,223,587
Gross unrealized gains	37,179	17,528
Gross unrealized losses	3,150	736
Debt securities available-for-sale, at estimated fair value	1,179,216	1,240,379
Federal National Mortgage Association
Debt Securities, Available-for-sale [Line Items]
Carrying value	1,085,924	1,159,446
Gross unrealized gains	45,411	18,917
Gross unrealized losses	19	314
Debt securities available-for-sale, at estimated fair value	1,131,316	1,178,049
Government National Mortgage Association
Debt Securities, Available-for-sale [Line Items]
Carrying value	256,245	273,676
Gross unrealized gains	8,669	3,333
Gross unrealized losses	0	47
Debt securities available-for-sale, at estimated fair value	$ 264,914	$ 276,962

Securities (Summary of Securi_2

Securities (Summary of Securities- HTM) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Schedule of Held-to-maturity Securities [Line Items]
Carrying value		$ 1,148,815
Gross unrealized losses		979
Estimated fair value	$ 1,169,054	1,190,104
Allowance for credit losses	2,995	0
Total debt securities held-to-maturity, net of allowance for credit losses	1,111,525
Held-to-maturity:
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	1,129,488	1,164,107
Net unrealized losses	14,968	15,292
Carrying value	1,114,520	1,148,815
Gross unrecognized gains	56,766	42,268
Gross unrealized losses	2,232	979
Estimated fair value	1,169,054	1,190,104
Total debt securities held-to-maturity
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	294,093	289,097
Net unrealized losses	14,535	14,785
Carrying value	279,558	274,312
Gross unrecognized gains	24,748	30,143
Gross unrealized losses	2,232	543
Estimated fair value	302,074	303,912
Government-sponsored enterprises
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	42,195	58,624
Net unrealized losses	0	0
Carrying value	42,195	58,624
Gross unrecognized gains	2,796	188
Gross unrealized losses	0	500
Estimated fair value	44,991	58,312
Municipal bonds
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	164,196	143,151
Net unrealized losses	0	0
Carrying value	164,196	143,151
Gross unrecognized gains	5,311	3,797
Gross unrealized losses	365	43
Estimated fair value	169,142	146,905
Corporate and other debt securities
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	87,702	87,322
Net unrealized losses	14,535	14,785
Carrying value	73,167	72,537
Gross unrecognized gains	16,641	26,158
Gross unrealized losses	1,867	0
Estimated fair value	87,941	98,695
Mortgage-backed securities:
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	835,395	875,010
Net unrealized losses	433	507
Carrying value	834,962	874,503
Gross unrecognized gains	32,018	12,125
Gross unrealized losses	0	436
Estimated fair value	866,980	886,192
Federal Home Loan Mortgage Corporation
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	251,101	262,079
Net unrealized losses	117	134
Carrying value	250,984	261,945
Gross unrecognized gains	8,617	3,533
Gross unrealized losses	0	129
Estimated fair value	259,601	265,349
Federal National Mortgage Association
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	519,444	542,583
Net unrealized losses	316	373
Carrying value	519,128	542,210
Gross unrecognized gains	20,484	7,959
Gross unrealized losses	0	307
Estimated fair value	539,612	549,862
Government National Mortgage Association
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	64,850	70,348
Net unrealized losses	0	0
Carrying value	64,850	70,348
Gross unrecognized gains	2,917	633
Gross unrealized losses	0	0
Estimated fair value	$ 67,767	$ 70,981

Securities (Amortized Cost and

Securities (Amortized Cost and Estimated Fair Value of Debt Securities by Contractual Maturity) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Carrying value
Carrying value		$ 1,148,815
Estimated fair value
Total	$ 1,169,054	$ 1,190,104
Debt Securities Other than Securities Pledged
Carrying value
Due in one year or less	3,079
Due after one year through five years	0
Due after five years through ten years	38,853
Due after ten years	237,626
Carrying value	279,558
Estimated fair value
Due in one year or less	3,079
Due after one year through five years	0
Due after five years through ten years	40,250
Due after ten years	258,745
Total	$ 302,074

Securities (Investment Securiti

Securities (Investment Securities, Continuous Unrealized Loss Position And Fair Value) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Open Option Contracts Written [Line Items]
Less than 12 months	$ 205,326	$ 315,536
12 months or more	0	12,972
Total	205,326	328,508
Available-for-sale, Unrealized Losses
Less than 12 months	3,169	1,080
12 months or more	0	17
Total	3,169	1,097
Held-to-maturity Securities, Estimated Fair Value
Less than 12 months		84,063
12 months or more		48,381
Total		132,444
Held-to-maturity Securities, Unrealized Losses
Less than 12 months		659
12 months or more		320
Total		979
Estimated fair value, Less than 12 months, Total	265,882	399,599
Unrealized losses, Less than 12 months, Total	5,401	1,739
Estimated fair value, 12 months or more, Total	0	61,353
Unrealized losses, 12 months or more, Total	0	337
Estimated fair value, Total	265,882	460,952
Unrealized losses, Total	5,401	2,076
Mortgage-backed securities:
Held-to-maturity Securities, Estimated Fair Value
Less than 12 months		28,771
12 months or more		48,381
Total		77,152
Held-to-maturity Securities, Unrealized Losses
Less than 12 months		116
12 months or more		320
Total	0	436
Federal Home Loan Mortgage Corporation
Open Option Contracts Written [Line Items]
Less than 12 months	192,879	215,160
12 months or more	0	0
Total	192,879	215,160
Available-for-sale, Unrealized Losses
Less than 12 months	3,150	736
12 months or more	0	0
Total	3,150	736
Held-to-maturity Securities, Estimated Fair Value
Less than 12 months		20,860
12 months or more		11,065
Total		31,925
Held-to-maturity Securities, Unrealized Losses
Less than 12 months		64
12 months or more		65
Total	0	129
Federal National Mortgage Association
Open Option Contracts Written [Line Items]
Less than 12 months	12,447	80,298
12 months or more	0	12,972
Total	12,447	93,270
Available-for-sale, Unrealized Losses
Less than 12 months	19	297
12 months or more	0	17
Total	19	314
Held-to-maturity Securities, Estimated Fair Value
Less than 12 months		7,911
12 months or more		37,316
Total		45,227
Held-to-maturity Securities, Unrealized Losses
Less than 12 months		52
12 months or more		255
Total	0	307
Government National Mortgage Association
Open Option Contracts Written [Line Items]
Less than 12 months		20,078
12 months or more		0
Total		20,078
Available-for-sale, Unrealized Losses
Less than 12 months		47
12 months or more		0
Total		47
Held-to-maturity Securities, Unrealized Losses
Total	0	0
Total debt securities held-to-maturity
Held-to-maturity Securities, Estimated Fair Value
Less than 12 months	60,556	55,292
12 months or more	0	0
Total	60,556	55,292
Held-to-maturity Securities, Unrealized Losses
Less than 12 months	2,232	543
12 months or more	0	0
Total	2,232	543
Municipal bonds
Held-to-maturity Securities, Estimated Fair Value
Less than 12 months	34,049	23,596
12 months or more	0	0
Total	34,049	23,596
Held-to-maturity Securities, Unrealized Losses
Less than 12 months	365	43
12 months or more	0	0
Total	365	43
Corporate and other debt securities
Held-to-maturity Securities, Estimated Fair Value
Less than 12 months	26,507
12 months or more	0
Total	26,507
Held-to-maturity Securities, Unrealized Losses
Less than 12 months	1,867
12 months or more	0
Total	1,867	0
Government-sponsored enterprises
Held-to-maturity Securities, Estimated Fair Value
Less than 12 months		31,696
12 months or more		0
Total		31,696
Held-to-maturity Securities, Unrealized Losses
Less than 12 months		500
12 months or more		0
Total	$ 0	$ 500

Loans Receivable, Net (Narrativ

Loans Receivable, Net (Narrative) (Details)	3 Months Ended		12 Months Ended
	Mar. 31, 2020USD ($)loan	Mar. 31, 2019USD ($)loan	Dec. 31, 2019USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Outstanding minimum balance of loans to be evaluated for impairment individually, greater than	$ 1,000,000
Outstanding minimum balance of loans that are evaluated for impairment individually	$ 1,000,000
Delinquency period in days	90 days
Interest income on non accrual loans	$ 444,000
Loans that are 90 days past due and still accruing	0
Related allowance			$ 1,763,000
Allowance for loan losses, recoveries	$ 2,897,000	$ 1,345,000	6,435,000
Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Delinquency period in days	30 days
Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Delinquency period in days	89 days
Watch | Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Delinquency period in days	30 days
Watch | Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Delinquency period in days	59 days
Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Related allowance			0
Commercial Portfolio Segment | Construction Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Related allowance			0
Allowance for loan losses, recoveries	$ 0		0
Commercial Portfolio Segment | Commercial Real Estate Sector | Retail Site
Accounts, Notes, Loans and Financing Receivable [Line Items]
Related allowance			0
Allowance for loan losses, recoveries	36,000		2,204,000
Commercial Portfolio Segment | Commercial Real Estate Sector | Multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Related allowance			0
Allowance for loan losses, recoveries	0		1,244,000
Consumer Portfolio Segment | Residential Mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses, recoveries	$ 169,000		1,448,000
Number loans modified as TDR in the last 12 months for which there was a default payment | loan	2	1
Recorded investment	$ 149,000	$ 270,000
Special Mention Residential | Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Delinquency period in days	60 days
Special Mention Residential | Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Delinquency period in days	89 days
Substandard Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Delinquency period in days	90 days
Collateral Dependent Tdrs
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses, charge-offs	$ 0	$ 477,000
Allowance for loan losses, individually evaluated for impairment	$ 1,400,000		$ 1,800,000

Loans Receivable, Net (Summary

Loans Receivable, Net (Summary of Loan Receivable) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans at amortized cost	$ 21,286,109	$ 21,703,269
Deferred fees, premiums and other, net	7,275	907
Allowance for credit losses	(243,288)	(228,120)
Net loans	21,050,096	21,476,056
Commercial and Industrial Sector
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans at amortized cost		2,951,306
Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans at amortized cost	15,631,774	15,858,755
Commercial Portfolio Segment | Commercial and Industrial Sector
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans at amortized cost	3,055,501	2,951,306
Commercial Portfolio Segment | Construction Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans at amortized cost	274,588	262,866
Commercial Portfolio Segment | Multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans at amortized cost		7,813,236
Commercial Portfolio Segment | Multifamily | Commercial Real Estate Sector
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans at amortized cost	7,619,676	7,813,236
Commercial Portfolio Segment | Retail Site | Commercial Real Estate Sector
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans at amortized cost	4,682,009	4,831,347
Consumer Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans at amortized cost		699,796
Consumer Portfolio Segment | Residential Mortgage Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans at amortized cost	4,955,755	5,144,718
Consumer Portfolio Segment | Consumer and Other Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans at amortized cost	$ 698,580	$ 699,796

Loans Receivable, Net (Amortize

Loans Receivable, Net (Amortized Cost Basis By Year of Origination) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost	$ 21,286,109	$ 21,703,269
Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		18,312,074
Watch
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		2,224,239
Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		404,166
Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		762,790
Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		0
Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		0
Commercial and Industrial Sector
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		2,951,306
Commercial and Industrial Sector | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		2,031,148
Commercial and Industrial Sector | Watch
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		693,397
Commercial and Industrial Sector | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		111,389
Commercial and Industrial Sector | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		115,372
Commercial and Industrial Sector | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		0
Commercial and Industrial Sector | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		0
Commercial Portfolio Segment
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost	15,631,774	15,858,755
Commercial Portfolio Segment | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		12,550,438
Commercial Portfolio Segment | Watch
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		2,200,668
Commercial Portfolio Segment | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		397,563
Commercial Portfolio Segment | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		710,086
Commercial Portfolio Segment | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		0
Commercial Portfolio Segment | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		0
Commercial Portfolio Segment | Commercial and Industrial Sector
Financing Receivable, Credit Quality Indicator [Line Items]
2020	223,991
2019	893,926
2018	511,824
2017	292,733
2016	246,535
Prior	602,769
Revolving Loans	283,723
Total	3,055,501
Total loans at amortized cost	3,055,501	2,951,306
Commercial Portfolio Segment | Commercial and Industrial Sector | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2020	213,051
2019	844,283
2018	416,862
2017	186,638
2016	203,740
Prior	488,618
Revolving Loans	251,751
Total	2,604,943
Commercial Portfolio Segment | Commercial and Industrial Sector | Watch
Financing Receivable, Credit Quality Indicator [Line Items]
2020	10,728
2019	45,596
2018	35,063
2017	79,411
2016	16,460
Prior	51,367
Revolving Loans	11,360
Total	249,985
Commercial Portfolio Segment | Commercial and Industrial Sector | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	35,899
2017	22,932
2016	0
Prior	37,997
Revolving Loans	4,438
Total	101,266
Commercial Portfolio Segment | Commercial and Industrial Sector | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2020	212
2019	4,047
2018	24,000
2017	3,752
2016	26,335
Prior	24,787
Revolving Loans	16,174
Total	99,307
Commercial Portfolio Segment | Construction Loans
Financing Receivable, Credit Quality Indicator [Line Items]
2020	21,656
2019	40,974
2018	75,642
2017	20,264
2016	0
Prior	8,975
Revolving Loans	107,077
Total	274,588
Total loans at amortized cost	274,588	262,866
Commercial Portfolio Segment | Construction Loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2020	13,096
2019	40,974
2018	75,642
2017	20,264
2016	0
Prior	8,975
Revolving Loans	80,445
Total	239,396
Commercial Portfolio Segment | Construction Loans | Watch
Financing Receivable, Credit Quality Indicator [Line Items]
2020	8,560
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans	8,321
Total	16,881
Commercial Portfolio Segment | Construction Loans | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans	0
Total	0
Commercial Portfolio Segment | Construction Loans | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans	18,311
Total	18,311
Consumer Portfolio Segment
Financing Receivable, Credit Quality Indicator [Line Items]
2020	690,158
2019	3,228,183
2018	3,539,157
2017	2,577,139
2016	2,979,514
Prior	7,266,501
Revolving Loans	1,005,457
Total	21,286,109
Total loans at amortized cost		699,796
Consumer Portfolio Segment | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		687,302
Consumer Portfolio Segment | Watch
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		9,157
Consumer Portfolio Segment | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		1,174
Consumer Portfolio Segment | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		2,163
Consumer Portfolio Segment | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		0
Consumer Portfolio Segment | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		0
Consumer Portfolio Segment | Residential Mortgage
Financing Receivable, Credit Quality Indicator [Line Items]
2020	82,520
2019	640,951
2018	688,866
2017	762,572
2016	515,303
Prior	2,265,438
Revolving Loans	105
Total	4,955,755
Total loans at amortized cost	4,955,755	5,144,718
Consumer Portfolio Segment | Residential Mortgage | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2020	82,520
2019	640,248
2018	687,947
2017	760,168
2016	512,627
Prior	2,200,254
Revolving Loans	0
Total	4,883,764
Total loans at amortized cost		5,074,334
Consumer Portfolio Segment | Residential Mortgage | Watch
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	703
2018	0
2017	1,946
2016	782
Prior	13,832
Revolving Loans	0
Total	17,263
Total loans at amortized cost		14,414
Consumer Portfolio Segment | Residential Mortgage | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	520
2017	0
2016	1,114
Prior	4,053
Revolving Loans	0
Total	5,687
Total loans at amortized cost		5,429
Consumer Portfolio Segment | Residential Mortgage | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	399
2017	458
2016	780
Prior	47,299
Revolving Loans	105
Total	49,041
Total loans at amortized cost		50,541
Consumer Portfolio Segment | Residential Mortgage | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		0
Consumer Portfolio Segment | Residential Mortgage | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		0
Consumer Portfolio Segment | Consumer and Other Loans
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,210
2019	10,751
2018	7,683
2017	10,126
2016	12,783
Prior	76,999
Revolving Loans	579,028
Total	698,580
Total loans at amortized cost	698,580	699,796
Consumer Portfolio Segment | Consumer and Other Loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,210
2019	10,751
2018	7,683
2017	10,126
2016	12,471
Prior	74,615
Revolving Loans	568,994
Total	685,850
Consumer Portfolio Segment | Consumer and Other Loans | Watch
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	184
Prior	463
Revolving Loans	7,402
Total	8,049
Consumer Portfolio Segment | Consumer and Other Loans | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	128
Prior	0
Revolving Loans	1,984
Total	2,112
Consumer Portfolio Segment | Consumer and Other Loans | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	1,921
Revolving Loans	648
Total	2,569
Multifamily | Commercial Portfolio Segment
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		7,813,236
Multifamily | Commercial Portfolio Segment | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		6,326,412
Multifamily | Commercial Portfolio Segment | Watch
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		942,438
Multifamily | Commercial Portfolio Segment | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		167,748
Multifamily | Commercial Portfolio Segment | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		376,638
Multifamily | Commercial Portfolio Segment | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		0
Multifamily | Commercial Portfolio Segment | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		0
Multifamily | Commercial Portfolio Segment | Commercial Real Estate Sector
Financing Receivable, Credit Quality Indicator [Line Items]
2020	226,164
2019	786,747
2018	1,488,874
2017	934,341
2016	1,523,398
Prior	2,647,019
Revolving Loans	13,133
Total	7,619,676
Total loans at amortized cost	7,619,676	7,813,236
Multifamily | Commercial Portfolio Segment | Commercial Real Estate Sector | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2020	219,004
2019	767,974
2018	1,410,733
2017	815,118
2016	1,375,990
Prior	2,265,686
Revolving Loans	12,434
Total	6,866,939
Multifamily | Commercial Portfolio Segment | Commercial Real Estate Sector | Watch
Financing Receivable, Credit Quality Indicator [Line Items]
2020	7,160
2019	18,773
2018	70,644
2017	106,416
2016	52,957
Prior	178,850
Revolving Loans	202
Total	435,002
Multifamily | Commercial Portfolio Segment | Commercial Real Estate Sector | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	7,497
2017	6,526
2016	45,627
Prior	31,035
Revolving Loans	0
Total	90,685
Multifamily | Commercial Portfolio Segment | Commercial Real Estate Sector | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	6,281
2016	48,824
Prior	171,448
Revolving Loans	497
Total	227,050
Retail Site | Commercial Portfolio Segment | Commercial Real Estate Sector
Financing Receivable, Credit Quality Indicator [Line Items]
2020	134,617
2019	854,834
2018	766,268
2017	557,103
2016	681,495
Prior	1,665,301
Revolving Loans	22,391
Total	4,682,009
Total loans at amortized cost	4,682,009	4,831,347
Retail Site | Commercial Portfolio Segment | Commercial Real Estate Sector | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2020	128,867
2019	853,834
2018	759,383
2017	517,293
2016	619,812
Prior	1,445,920
Revolving Loans	22,391
Total	4,347,500
Total loans at amortized cost		4,023,642
Retail Site | Commercial Portfolio Segment | Commercial Real Estate Sector | Watch
Financing Receivable, Credit Quality Indicator [Line Items]
2020	5,750
2019	0
2018	4,528
2017	18,170
2016	35,002
Prior	27,939
Revolving Loans	0
Total	91,389
Total loans at amortized cost		489,514
Retail Site | Commercial Portfolio Segment | Commercial Real Estate Sector | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	6,072
2016	12,784
Prior	59,914
Revolving Loans	0
Total	78,770
Total loans at amortized cost		118,426
Retail Site | Commercial Portfolio Segment | Commercial Real Estate Sector | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	1,000
2018	2,357
2017	15,568
2016	13,897
Prior	131,528
Revolving Loans	0
Total	$ 164,350
Total loans at amortized cost		199,765
Retail Site | Commercial Portfolio Segment | Commercial Real Estate Sector | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		0
Retail Site | Commercial Portfolio Segment | Commercial Real Estate Sector | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		0
Construction | Commercial Portfolio Segment | Construction Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		262,866
Construction | Commercial Portfolio Segment | Construction Loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		169,236
Construction | Commercial Portfolio Segment | Construction Loans | Watch
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		75,319
Construction | Commercial Portfolio Segment | Construction Loans | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		0
Construction | Commercial Portfolio Segment | Construction Loans | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		18,311
Construction | Commercial Portfolio Segment | Construction Loans | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		0
Construction | Commercial Portfolio Segment | Construction Loans | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans at amortized cost		$ 0

Loans Receivable, Net (Schedule

Loans Receivable, Net (Schedule of Risk Category of Loans by Class of Loans) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, net	$ 21,286,109	$ 21,703,269
Commercial Portfolio Segment
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, net	15,631,774	15,858,755
Commercial Portfolio Segment | Construction Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, net	274,588	262,866
Commercial Portfolio Segment | Commercial and Industrial Sector
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, net	3,055,501	2,951,306
Commercial Portfolio Segment | Multifamily | Commercial Real Estate Sector
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, net	7,619,676	7,813,236
Commercial Portfolio Segment | Retail Site | Commercial Real Estate Sector
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, net	4,682,009	4,831,347
Consumer Portfolio Segment | Residential Mortgage Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, net	4,955,755	5,144,718
Consumer Portfolio Segment | Consumer and Other Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, net	$ 698,580	$ 699,796

Loans Receivable, Net (Payment

Loans Receivable, Net (Payment Status of the Recorded Investment in Past Due Loans) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Financing Receivable, Past Due [Line Items]
Total Past Due	$ 192,968	$ 160,036
Current	21,093,141	21,543,233
Total Loans Receivable	21,286,109	21,703,269
30-59 Days
Financing Receivable, Past Due [Line Items]
Total Past Due	116,240	87,475
60-89 Days
Financing Receivable, Past Due [Line Items]
Total Past Due	13,797	12,607
Greater than 90 Days
Financing Receivable, Past Due [Line Items]
Total Past Due	62,931	59,954
Commercial Portfolio Segment
Financing Receivable, Past Due [Line Items]
Total Past Due	128,341	97,471
Current	15,503,433	15,761,284
Total Loans Receivable	15,631,774	15,858,755
Commercial Portfolio Segment | Construction Loans
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Current	274,588	262,866
Total Loans Receivable	274,588	262,866
Commercial Portfolio Segment | 30-59 Days
Financing Receivable, Past Due [Line Items]
Total Past Due	89,147	61,338
Commercial Portfolio Segment | 30-59 Days | Construction Loans
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Commercial Portfolio Segment | 60-89 Days
Financing Receivable, Past Due [Line Items]
Total Past Due	5,498	5,238
Commercial Portfolio Segment | 60-89 Days | Construction Loans
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Commercial Portfolio Segment | Greater than 90 Days
Financing Receivable, Past Due [Line Items]
Total Past Due	33,696	30,895
Commercial Portfolio Segment | Greater than 90 Days | Construction Loans
Financing Receivable, Past Due [Line Items]
Total Past Due	0	0
Commercial Portfolio Segment | Commercial and Industrial Sector
Financing Receivable, Past Due [Line Items]
Total Past Due	19,087	15,594
Current	3,036,414	2,935,712
Total Loans Receivable	3,055,501	2,951,306
Commercial Portfolio Segment | Commercial and Industrial Sector | 30-59 Days
Financing Receivable, Past Due [Line Items]
Total Past Due	6,119	7,774
Commercial Portfolio Segment | Commercial and Industrial Sector | 60-89 Days
Financing Receivable, Past Due [Line Items]
Total Past Due	5,176	2,767
Commercial Portfolio Segment | Commercial and Industrial Sector | Greater than 90 Days
Financing Receivable, Past Due [Line Items]
Total Past Due	7,792	5,053
Commercial Portfolio Segment | Multifamily | Commercial Real Estate Loans
Financing Receivable, Past Due [Line Items]
Total Past Due	81,363	69,607
Current	7,538,313	7,743,629
Total Loans Receivable	7,619,676	7,813,236
Commercial Portfolio Segment | Multifamily | Commercial Real Estate Loans | 30-59 Days
Financing Receivable, Past Due [Line Items]
Total Past Due	59,157	45,606
Commercial Portfolio Segment | Multifamily | Commercial Real Estate Loans | 60-89 Days
Financing Receivable, Past Due [Line Items]
Total Past Due	0	1,946
Commercial Portfolio Segment | Multifamily | Commercial Real Estate Loans | Greater than 90 Days
Financing Receivable, Past Due [Line Items]
Total Past Due	22,206	22,055
Commercial Portfolio Segment | Retail Site | Commercial Real Estate Loans
Financing Receivable, Past Due [Line Items]
Total Past Due	27,891	12,270
Current	4,654,118	4,819,077
Total Loans Receivable	4,682,009	4,831,347
Commercial Portfolio Segment | Retail Site | Commercial Real Estate Loans | 30-59 Days
Financing Receivable, Past Due [Line Items]
Total Past Due	23,871	7,958
Commercial Portfolio Segment | Retail Site | Commercial Real Estate Loans | 60-89 Days
Financing Receivable, Past Due [Line Items]
Total Past Due	322	525
Commercial Portfolio Segment | Retail Site | Commercial Real Estate Loans | Greater than 90 Days
Financing Receivable, Past Due [Line Items]
Total Past Due	3,698	3,787
Consumer Portfolio Segment | Residential Mortgage Loans
Financing Receivable, Past Due [Line Items]
Total Past Due	52,679	50,904
Current	4,903,076	5,093,814
Total Loans Receivable	4,955,755	5,144,718
Consumer Portfolio Segment | Consumer and Other Loans
Financing Receivable, Past Due [Line Items]
Total Past Due	11,948	11,661
Current	686,632	688,135
Total Loans Receivable	698,580	699,796
Consumer Portfolio Segment | 30-59 Days | Residential Mortgage Loans
Financing Receivable, Past Due [Line Items]
Total Past Due	19,043	16,980
Consumer Portfolio Segment | 30-59 Days | Consumer and Other Loans
Financing Receivable, Past Due [Line Items]
Total Past Due	8,050	9,157
Consumer Portfolio Segment | 60-89 Days | Residential Mortgage Loans
Financing Receivable, Past Due [Line Items]
Total Past Due	6,187	6,195
Consumer Portfolio Segment | 60-89 Days | Consumer and Other Loans
Financing Receivable, Past Due [Line Items]
Total Past Due	2,112	1,174
Consumer Portfolio Segment | Greater than 90 Days | Residential Mortgage Loans
Financing Receivable, Past Due [Line Items]
Total Past Due	27,449	27,729
Consumer Portfolio Segment | Greater than 90 Days | Consumer and Other Loans
Financing Receivable, Past Due [Line Items]
Total Past Due	$ 1,786	$ 1,330

Loans Receivable, Net (Non-Accr

Loans Receivable, Net (Non-Accrual Loans Status) (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2020USD ($)loan	Dec. 31, 2019USD ($)loan
Financing Receivable, Past Due [Line Items]
Non-accrual: # of loans | loan	310	308
Non-accrual, Amount	$ 98,411	$ 95,315
Financing Receivables, 1 to 29 Days Past Due
Financing Receivable, Past Due [Line Items]
Non-accrual: # of loans | loan	28	27
Non-accrual, Amount	$ 6,672	$ 6,578
Financing Receivables, 30 to 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Non-accrual: # of loans | loan	15	18
Non-accrual, Amount	$ 2,281	$ 3,331
Commercial Portfolio Segment
Financing Receivable, Past Due [Line Items]
Non-accrual: # of loans | loan	52	48
Non-accrual, Amount	$ 51,824	$ 47,749
With no related allowance:		43
Commercial Portfolio Segment | Construction Loans
Financing Receivable, Past Due [Line Items]
With no related allowance:		$ 0
Commercial Portfolio Segment | Commercial and Industrial Sector
Financing Receivable, Past Due [Line Items]
Non-accrual: # of loans | loan	22	18
Non-accrual, Amount	$ 17,007	$ 12,482
With no related allowance:		$ 12,476
Commercial Portfolio Segment | Multifamily | Commercial Real Estate Loans
Financing Receivable, Past Due [Line Items]
Non-accrual: # of loans | loan	9	8
Non-accrual, Amount	$ 23,432	$ 23,322
With no related allowance:		$ 22,169
Commercial Portfolio Segment | Retail Site | Commercial Real Estate Loans
Financing Receivable, Past Due [Line Items]
Non-accrual: # of loans | loan	21	22
Non-accrual, Amount	$ 11,385	$ 11,945
With no related allowance:		$ 7,875
Commercial Portfolio Segment | Retail Site | Commercial Real Estate Loans | Financing Receivables, 1 to 29 Days Past Due
Financing Receivable, Past Due [Line Items]
Non-accrual: # of loans | loan	2	2
Non-accrual, Amount	$ 2,347	$ 2,360
Consumer Portfolio Segment | Residential Mortgage Loans
Financing Receivable, Past Due [Line Items]
Non-accrual: # of loans | loan	258	260
Non-accrual, Amount	$ 46,587	$ 47,566
Consumer Portfolio Segment | Financing Receivables, 1 to 29 Days Past Due | Residential Mortgage Loans
Financing Receivable, Past Due [Line Items]
Non-accrual: # of loans | loan	26	25
Non-accrual, Amount	$ 4,325	$ 4,218
Consumer Portfolio Segment | Financing Receivables, 30 to 89 Days Past Due | Residential Mortgage Loans
Financing Receivable, Past Due [Line Items]
Non-accrual: # of loans | loan	15	18
Non-accrual, Amount	$ 2,281	$ 3,331

Loans Receivable, Net (Collater

Loans Receivable, Net (Collateral Dependant Loans) (Details) $ in Thousands	Mar. 31, 2020USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral-dependent loans	$ 71,462
Collateral Dependant Loans Other	11,302
Collateral Dependant Loans Receivable, Excluding Other	60,160
Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral-dependent loans	33,992
Commercial Portfolio Segment | Commercial And Industrial Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral-dependent loans	11,182
Commercial Portfolio Segment | Commercial and Industrial Sector
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral-dependent loans	4,319
Commercial Portfolio Segment | Construction Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral-dependent loans	0
Commercial Portfolio and Other Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral-dependent loans	45,174
Commercial Portfolio and Other Segment | Commercial and Industrial and Other Sector
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral-dependent loans	15,501
Commercial Portfolio and Other Segment | Construction Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral-dependent loans	0
Consumer Portfolio Segment | Residential Mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral-dependent loans	26,168
Consumer Portfolio Segment | Residential Mortgage and Consumer, Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral-dependent loans	120
Consumer Portfolio Segment | Residential Mortgage and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral-dependent loans	26,288
Multifamily | Commercial Portfolio Segment | Commercial Real Estate Sector
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral-dependent loans	22,081
Multifamily | Commercial Portfolio and Other Segment | Commercial Real Estate Sector
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral-dependent loans	22,081
Retail Site | Commercial Portfolio Segment | Commercial Real Estate Sector
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral-dependent loans	7,592
Retail Site | Commercial Portfolio and Other Segment | Commercial Real Estate Sector
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral-dependent loans	$ 7,592

Loans Receivable, Net (Troubled

Loans Receivable, Net (Troubled Debt Restructured Loans) (Details) $ in Thousands	Mar. 31, 2020USD ($)loan	Dec. 31, 2019USD ($)loan
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accrual, number of loans | loan	55	57
Accrual, amount | $	$ 12,833	$ 13,084
Non-accrual, number of loans | loan	82	83
Non-accrual, amount | $	$ 22,738	$ 23,502
Number of loans | loan	137	140
Troubled debt restructuring, Amount | $	$ 35,571	$ 36,586
Commercial Portfolio Segment
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accrual, number of loans | loan	3	3
Accrual, amount | $	$ 2,730	$ 2,535
Non-accrual, number of loans | loan	4	5
Non-accrual, amount | $	$ 6,554	$ 7,044
Number of loans | loan	7	8
Troubled debt restructuring, Amount | $	$ 9,284	$ 9,579
Commercial Portfolio Segment | Commercial and Industrial Sector
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accrual, number of loans | loan	3	3
Accrual, amount | $	$ 2,730	$ 2,535
Non-accrual, number of loans | loan	2	2
Non-accrual, amount | $	$ 4,207	$ 4,682
Number of loans | loan	5	5
Troubled debt restructuring, Amount | $	$ 6,937	$ 7,217
Commercial Portfolio Segment | Retail Site | Commercial Real Estate Sector
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accrual, number of loans | loan	0	0
Accrual, amount | $	$ 0	$ 0
Non-accrual, number of loans | loan	2	3
Non-accrual, amount | $	$ 2,347	$ 2,362
Number of loans | loan	2	3
Troubled debt restructuring, Amount | $	$ 2,347	$ 2,362
Consumer Portfolio Segment | Residential And Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accrual, number of loans | loan	52	54
Accrual, amount | $	$ 10,103	$ 10,549
Non-accrual, number of loans | loan	78	78
Non-accrual, amount | $	$ 16,184	$ 16,458
Number of loans | loan	130	132
Troubled debt restructuring, Amount | $	$ 26,287	$ 27,007

Loans Receivable, Net (Schedu_2

Loans Receivable, Net (Schedule of Troubled Debt Restructurings) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2020USD ($)loan	Mar. 31, 2019USD ($)loan
Commercial Portfolio Segment | Commercial and Industrial Sector
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of Loans | loan	1	0
Pre-modification Recorded Investment | $	$ 933	$ 0
Post- modification Recorded Investment | $	$ 933	$ 0
Number of Loans | loan	1	0
Pre-modification Interest Yield	4.75%	0.00%
Post- modification Interest Yield	4.75%	0.00%
Consumer Portfolio Segment | Residential And Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of Loans | loan	0	6
Pre-modification Recorded Investment | $	$ 0	$ 1,664
Post- modification Recorded Investment | $	$ 0	$ 1,664
Number of Loans | loan	0	6
Pre-modification Interest Yield	0.00%	5.26%
Post- modification Interest Yield	0.00%	4.90%

Loans Receivable, Net (Loans In

Loans Receivable, Net (Loans Individually Evaluated for Impairment by Class of Loans) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019USD ($)
Recorded Investment
Total:	$ 69,523
Unpaid Principal Balance
Total:	87,531
Related Allowance	1,763
Average Recorded Investment
Total:	73,417
Interest Income Recognized
Total:	1,017
Commercial Portfolio Segment
Recorded Investment
With no related allowance:	43
With an allowance recorded:	0
Total:	43
Unpaid Principal Balance
With no related allowance:	56
With an allowance recorded:	0
Total:	56
Related Allowance	0
Average Recorded Investment
With no related allowance:	46
With an allowance recorded:	0
Total:	46
Interest Income Recognized
With no related allowance:	1
With an allowance recorded:	0
Total:	1
Commercial Portfolio Segment | Construction Loans
Recorded Investment
With no related allowance:	0
With an allowance recorded:	0
Total:	0
Unpaid Principal Balance
With no related allowance:	0
With an allowance recorded:	0
Total:	0
Related Allowance	0
Average Recorded Investment
With no related allowance:	0
With an allowance recorded:	0
Total:	0
Interest Income Recognized
With no related allowance:	0
With an allowance recorded:	0
Total:	0
Commercial Portfolio Segment | Commercial and Industrial Sector
Recorded Investment
With no related allowance:	12,476
With an allowance recorded:	0
Total:	12,476
Unpaid Principal Balance
With no related allowance:	21,090
With an allowance recorded:	0
Total:	21,090
Related Allowance	0
Average Recorded Investment
With no related allowance:	14,860
With an allowance recorded:	0
Total:	14,860
Interest Income Recognized
With no related allowance:	351
With an allowance recorded:	0
Total:	351
Commercial Portfolio Segment | Multifamily | Commercial Real Estate Loans
Recorded Investment
With no related allowance:	22,169
With an allowance recorded:	0
Total:	22,169
Unpaid Principal Balance
With no related allowance:	23,581
With an allowance recorded:	0
Total:	23,581
Related Allowance	0
Average Recorded Investment
With no related allowance:	23,298
With an allowance recorded:	0
Total:	23,298
Interest Income Recognized
With no related allowance:	47
With an allowance recorded:	0
Total:	47
Commercial Portfolio Segment | Retail Site | Commercial Real Estate Loans
Recorded Investment
With no related allowance:	7,875
With an allowance recorded:	0
Total:	7,875
Unpaid Principal Balance
With no related allowance:	10,913
With an allowance recorded:	0
Total:	10,913
Related Allowance	0
Average Recorded Investment
With no related allowance:	8,127
With an allowance recorded:	0
Total:	8,127
Interest Income Recognized
With no related allowance:	199
With an allowance recorded:	0
Total:	199
Consumer Portfolio Segment | Residential And Consumer
Recorded Investment
With no related allowance:	13,783
With an allowance recorded:	13,220
Total:	27,003
Unpaid Principal Balance
With no related allowance:	18,066
With an allowance recorded:	13,881
Total:	31,947
Related Allowance	1,763
Average Recorded Investment
With no related allowance:	13,811
With an allowance recorded:	13,321
Total:	27,132
Interest Income Recognized
With no related allowance:	267
With an allowance recorded:	153
Total:	$ 420

Allowance for Credit Losses All

Allowance for Credit Losses Allowance for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period	$ 228,120	$ 235,817	$ 235,817
Gross charge offs	(10,930)	(5,445)	(13,132)
Recoveries	2,897	1,345	6,435
Net charge-offs	(8,033)	(4,100)
Provision for credit loss expense	26,752	3,000	(1,000)
Balance at end of the period	243,288	234,717	228,120
Cumulative Effect, Period Of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period	$ (3,551)	$ 0	0
Balance at end of the period			$ (3,551)

Allowance for Credit Losses A_2

Allowance for Credit Losses Allowance for credit losses by portfolio segment (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period	$ 228,120	$ 235,817	$ 235,817
Charge-offs	(10,930)	(5,445)	(13,132)
Recoveries	2,897	1,345	6,435
Provision for credit loss expense	26,752	3,000	(1,000)
Balance at end of the period	243,288	234,717	228,120
Unallocated
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period	1,945	2,044	2,044
Charge-offs	0		0
Recoveries	0		0
Provision for credit loss expense	0		(99)
Balance at end of the period	0		1,945
Commercial Portfolio Segment | Commercial and Industrial Sector
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period	74,396	71,084	71,084
Charge-offs	(9,966)		(6,833)
Recoveries	2,589		1,203
Provision for credit loss expense	15,793		8,942
Balance at end of the period	75,301		74,396
Commercial Portfolio Segment | Construction Loans
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period	6,816	7,486	7,486
Charge-offs	0		0
Recoveries	0		0
Provision for credit loss expense	1,710		(670)
Balance at end of the period	6,625		6,816
Consumer Portfolio Segment | Residential Mortgage
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period	17,391	20,776	20,776
Charge-offs	(657)		(2,241)
Recoveries	169		1,448
Provision for credit loss expense	(834)		(2,592)
Balance at end of the period	36,158		17,391
Consumer Portfolio Segment | Consumer and Other Loans
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period	2,548	3,102	3,102
Charge-offs	(12)		(934)
Recoveries	103		336
Provision for credit loss expense	1,056		44
Balance at end of the period	5,784		2,548
Multifamily | Commercial Portfolio Segment | Commercial Real Estate Loans
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period	74,099	82,876	82,876
Charge-offs	(126)		(2,973)
Recoveries	0		1,244
Provision for credit loss expense	11,870		(7,048)
Balance at end of the period	76,102		74,099
Retail Site | Commercial Portfolio Segment | Commercial Real Estate Loans
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period	50,925	48,449	48,449
Charge-offs	(169)		(151)
Recoveries	36		2,204
Provision for credit loss expense	(2,843)		423
Balance at end of the period	43,318		50,925
Cumulative Effect, Period Of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period	(3,551)	$ 0	0
Balance at end of the period			(3,551)
Cumulative Effect, Period Of Adoption, Adjustment | Unallocated
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period	(1,945)
Balance at end of the period			(1,945)
Cumulative Effect, Period Of Adoption, Adjustment | Commercial Portfolio Segment | Commercial and Industrial Sector
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period	(7,511)
Balance at end of the period			(7,511)
Cumulative Effect, Period Of Adoption, Adjustment | Commercial Portfolio Segment | Construction Loans
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period	(1,901)
Balance at end of the period			(1,901)
Cumulative Effect, Period Of Adoption, Adjustment | Consumer Portfolio Segment | Residential Mortgage
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period	20,089
Balance at end of the period			20,089
Cumulative Effect, Period Of Adoption, Adjustment | Consumer Portfolio Segment | Consumer and Other Loans
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period	2,089
Balance at end of the period			2,089
Cumulative Effect, Period Of Adoption, Adjustment | Multifamily | Commercial Portfolio Segment | Commercial Real Estate Loans
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period	(9,741)
Balance at end of the period			(9,741)
Cumulative Effect, Period Of Adoption, Adjustment | Retail Site | Commercial Portfolio Segment | Commercial Real Estate Loans
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period	$ (4,631)
Balance at end of the period			$ (4,631)

Allowance for Credit Losses A_3

Allowance for Credit Losses Allowance for credit losses, Held To Maturity (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2020USD ($)
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period	$ 0
Provision for credit losses	431
Balance at end of the period	2,995
Cumulative Effect, Period Of Adoption, Adjustment
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period	$ 2,564

Allowance for Credit Losses A_4

Allowance for Credit Losses Allowance for credit losses, Held to Maturity by Portfolio (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2020USD ($)
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period	$ 0
Provision for credit losses	431
Balance at end of the period	2,995
Municipal bonds
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period	0
Provision for credit losses	0
Balance at end of the period	17
Corporate and Other Debt Securities
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period	0
Provision for credit losses	431
Balance at end of the period	2,978
Cumulative Effect, Period Of Adoption, Adjustment
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period	2,564
Cumulative Effect, Period Of Adoption, Adjustment | Municipal bonds
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period	17
Cumulative Effect, Period Of Adoption, Adjustment | Corporate and Other Debt Securities
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period	$ 2,547

Allowance for Credit Losses A_5

Allowance for Credit Losses Allowance for credit losses, off balance sheet (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2020USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Balance at beginning of the period	$ 425
Provision for credit losses	4,043
Balance at end of the period	17,142
Cumulative Effect, Period Of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Balance at beginning of the period	$ 12,674

Allowance for Credit Losses Nar

Allowance for Credit Losses Narrative (Details) $ in Millions	Mar. 31, 2020USD ($)
Credit Loss [Abstract]
Accrued interest receivable	$ 68
Held-to-maturity, accrued interest receivable	$ 10.4

Deposits (Summary of Deposits)

Deposits (Summary of Deposits) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Non-interest bearing:
Checking accounts	$ 2,422,891	$ 2,472,232
Interest bearing:
Checking accounts	5,435,066	5,512,979
Money market deposits	4,046,257	3,817,718
Savings	2,092,846	2,050,101
Certificates of deposit	4,187,566	4,007,308
Total deposits	$ 18,184,626	$ 17,860,338

Goodwill and Other Intangible_3

Goodwill and Other Intangible Assets (Summary of Intangible Assets) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Asset	$ 41,451	$ 41,079
Accumulated Amortization	(26,059)	(25,653)
Valuation Allowance	(303)	(103)
Net Intangible Assets	15,089	15,323
Goodwill	82,546	82,546
Goodwill and intangible assets	97,635	97,869
Mortgage servicing rights
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Asset	19,740	19,368
Accumulated Amortization	(7,237)	(7,140)
Valuation Allowance	(303)	(103)
Net Intangible Assets	12,200	12,125
Core deposit premiums
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Asset	20,561	20,561
Accumulated Amortization	(18,318)	(18,031)
Valuation Allowance	0	0
Net Intangible Assets	2,243	2,530
Other
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Asset	1,150	1,150
Accumulated Amortization	(504)	(482)
Valuation Allowance	0	0
Net Intangible Assets	$ 646	$ 668

Goodwill and Other Intangible_4

Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Loans sold	$ 1,680	$ 1,670
Estimated fair value of servicing asset in intangible assets	$ 11.5	$ 14.1
Weighted average discount rate of servicing assets (percentage)	12.04%
Weighted average constant prepayment rate on mortgages (percentage)	17.64%
Weighted average life of servicing assets, years	4 years 4 months 24 days
Core deposit premiums
Finite-Lived Intangible Assets [Line Items]
Useful life, years	10 years

Leases (Details)

Leases (Details) $ in Millions	3 Months Ended
	Mar. 31, 2020USD ($)
Lessee, Lease, Description [Line Items]
Option to terminate the lease (in years)	1 year
Right of use assets	$ 3.4
Lease liability	$ 3.4
Maximum
Lessee, Lease, Description [Line Items]
Remaining lease term (in years)	16 years
Renewal term (in years)	10 years

Leases (Supplemental Balance Sh

Leases (Supplemental Balance Sheet Information) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating lease right-of-use assets	$ 170,549	$ 175,143
Operating lease liabilities	$ 181,917	$ 185,827
Weighted average remaining lease term	9 years 6 months	9 years 8 months 12 days
Weighted average discount rate	2.74%	2.74%

Leases (Supplemental Income and

Leases (Supplemental Income and Expense Information) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Included in office occupancy and equipment expense:
Operating lease cost	$ 6,280	$ 6,320
Short-term lease cost	86	83
Variable lease cost	0	0
Included in other income:
Sublease income	$ 67	$ 67

Leases (Supplemental Cash Flow

Leases (Supplemental Cash Flow Information) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash paid for amounts included in the measurement of operating lease liabilities:
Operating cash flows from operating leases	$ 5,707	$ 6,138
Operating lease liabilities arising from obtaining right-of-use assets (non-cash):
Operating leases	$ 558	$ 18

Leases (Maturity of Lease Liabi

Leases (Maturity of Lease Liabilities) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Leases [Abstract]
2020	$ 18,281	$ 24,013
2021	23,988	23,888
2022	22,390	22,270
2023	21,347	21,227
2024	21,282	21,162
Thereafter	100,802	100,662
Total lease payments	208,090	213,222
Less: Imputed interest	(26,173)	(27,395)
Total operating lease liabilities	$ 181,917	$ 185,827

Equity Incentive Plan (Narrativ

Equity Incentive Plan (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions	Jul. 22, 2019	Jun. 09, 2015	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock options granted (in shares)			0	25,000
Compensation not yet recognized			$ 8.4
Compensation cost not yet recognized, period for recognition			1 year 10 months 6 days
Stock options surrendered (in shares)			8,802
Exercise price (in usd per share)			$ 12.46		$ 12.46
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (shares)			64,923	119,663
Compensation cost not yet recognized, period for recognition			2 years 8 months 1 day
Compensation not yet recognized, restricted stock			$ 25.3
Restricted stock surrendered (in shares)			15,973
2015 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (shares)		30,881,296
2015 Plan | Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (shares)		13,234,841
2015 Plan | Equity Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (shares)		17,646,455
Expiration period (years)		10 years
The Replacement Awards | Equity Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (years)	3 years
Minimum | 2015 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (years)		5 years
Maximum | 2015 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (years)		7 years

Equity Incentive Plan (Fair Val

Equity Incentive Plan (Fair Value) (Details) - $ / shares	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Share-based Payment Arrangement [Abstract]
Weighted average expected life (in years)		6 years 6 months
Weighted average risk-free rate of return (in percentage)		2.55%
Weighted average volatility (in percentage)		18.59%
Dividend yield (in percentage)		3.49%
Weighted average fair value of options granted (in usd per share)		$ 1.65
Total stock options granted (in shares)	0	25,000

Equity Incentive Plan (Shares-b

Equity Incentive Plan (Shares-based compensation expense) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Share-based Payment Arrangement [Abstract]
Stock option expense	$ 988	$ 1,302
Restricted stock expense	2,901	3,271
Total share-based compensation expense	$ 3,889	$ 4,573

Equity Incentive Plan (Summary

Equity Incentive Plan (Summary of Stock Option Activity and Related Information) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Number of Stock Options
Beginning balance (shares)	5,654,461
Granted (shares)	0	25,000
Exercised (shares)	0
Forfeited (shares)	(8,802)
Expired (shares)	(27,427)
Ending balance (shares)	5,618,232		5,654,461
Exercisable at period end (shares)	2,936,353
Weighted Average Exercise Price
Beginning balance (usd per share)	$ 12.46
Granted (usd per share)	0
Exercised (usd per share)	0
Forfeited (usd per share)	12.55
Expired (usd per share)	12.54
Ending balance (usd per share)	12.46		$ 12.46
Exercisable end of the year (usd per share)	$ 12.39
Outstanding, Weighted Average Remaining Contractual Life	5 years 3 months 18 days		5 years 6 months
Weighted Average Remaining Contractual Life, Exercisable Ending Balance	5 years 2 months 12 days
Aggregate Intrinsic Value, Outstanding	$ 0		$ 363
Aggregate Intrinsic Value, Exercisable	$ 0

Equity Incentive Plan (Restrict

Equity Incentive Plan (Restricted Stock) (Details) - Restricted Stock - $ / shares	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Number of Shares Awarded
Beginning balance (shares)	2,894,352
Granted (shares)	64,923	119,663
Vested (shares)	(186,411)
Forfeited (shares)	(15,973)
Ending balance (shares)	2,756,891
Weighted Average Grant Date Fair Value
Beginning balance (usd per share)	$ 12.57
Granted (usd per share)	10.78
Vested (usd per share)	13.25
Forfeited (usd per share)	12.34
Ending balance (usd per share)	$ 12.49

Net Periodic Benefit Plan Exp_3

Net Periodic Benefit Plan Expense (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Retirement Benefits [Abstract]
Maximum annual contributions per employee, percent	60.00%
Annual benefit, period (in months)	36 months
Vesting period (in years)	2 years
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Interest cost	$ 324,000	$ 397,000
Net loss	8,000	0
Total net periodic benefit cost	332,000	$ 397,000
Multi-employer contributions	$ 0

Derivatives and Hedging Activ_3

Derivatives and Hedging Activities (Narrative) (Details) $ in Millions	3 Months Ended
	Mar. 31, 2020USD ($)interest_rate_swap
Derivative [Line Items]
Interest rate swaps terminated | interest_rate_swap	3
Derivative contracts
Derivative [Line Items]
Notional amounts of swaps terminated	$ 1,000
Derivatives designated as hedging instruments: | Derivative contracts
Derivative [Line Items]
Amounts reported in accumulated other comprehensive income related to derivatives will be reclassified to interest expense	$ 35.6

Derivatives and Hedging Activ_4

Derivatives and Hedging Activities - Fair Value of Derivative Instruments on the Balance Sheet (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Derivatives designated as hedging instruments: | Other assets
Derivatives, Fair Value [Line Items]
Asset derivatives	$ 0	$ 559
Derivatives designated as hedging instruments: | Other liabilities
Derivatives, Fair Value [Line Items]
Liability derivatives	798
Derivatives not designated as hedging instruments: | Other assets
Derivatives, Fair Value [Line Items]
Asset derivatives	33,028	5,430
Derivatives not designated as hedging instruments: | Other liabilities
Derivatives, Fair Value [Line Items]
Liability derivatives	461	125
Interest Rate Swaps
Derivatives, Fair Value [Line Items]
Asset derivatives	0	821
Liability derivatives	1,259	125
Interest Rate Swaps | Derivatives designated as hedging instruments: | Other assets
Derivatives, Fair Value [Line Items]
Asset derivatives, notional amount	0	2,675,000
Asset derivatives	0	559
Interest Rate Swaps | Derivatives designated as hedging instruments: | Other liabilities
Derivatives, Fair Value [Line Items]
Liability derivatives, notional amount	3,200,000	0
Liability derivatives	798	0
Interest Rate Swaps | Derivatives not designated as hedging instruments: | Other assets
Derivatives, Fair Value [Line Items]
Asset derivatives, notional amount	361,000	652,000
Asset derivatives	33,028	5,430
Interest Rate Swaps | Derivatives not designated as hedging instruments: | Other liabilities
Derivatives, Fair Value [Line Items]
Liability derivatives, notional amount	361,000	0
Liability derivatives	207	0
Other Contracts | Derivatives not designated as hedging instruments: | Other assets
Derivatives, Fair Value [Line Items]
Asset derivatives, notional amount	0	0
Asset derivatives	0	0
Other Contracts | Derivatives not designated as hedging instruments: | Other liabilities
Derivatives, Fair Value [Line Items]
Liability derivatives, notional amount	22,000	22,000
Liability derivatives	$ 254	$ 125

Derivatives and Hedging Activ_5

Derivatives and Hedging Activities - Effective Derivative Instrument (Details) - Derivative contracts - Cash Flow Hedging - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash Flow Hedges - Interest rate swaps
Amount of loss recognized in other comprehensive income (loss)	$ (100,361)	$ (19,681)
Amount of (loss) gain reclassified from accumulated other comprehensive income (loss) to interest expense	$ (2,089)	$ 2,090

Derivatives and Hedging Activ_6

Derivatives and Hedging Activities - Location in the Income Statement (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Gain or (loss) on cash flow hedging relationships in Subtopic 815-20
Amount of (loss) gain reclassified from accumulated other comprehensive income (loss)	$ 173,283	$ 162,678
Derivative not designated as hedging instruments	(129)	29
Interest contracts
Gain or (loss) on cash flow hedging relationships in Subtopic 815-20
Total amounts of income and expense line items presented in the income statement in which the effects of fair value are recorded	(2,508)	1,991
Interest contracts | Fair Value Hedging | Interest income on loans
Gain or (loss) on fair value hedging relationships in Subtopic 815-20
Hedged items	6,769	922
Derivatives designated as hedging instruments	(7,188)	(1,021)
Interest contracts | Cash Flow Hedging | Cash flow hedge | Reclassification out of Accumulated Other Comprehensive Income
Gain or (loss) on cash flow hedging relationships in Subtopic 815-20
Amount of (loss) gain reclassified from accumulated other comprehensive income (loss)	(2,089)
Interest contracts | Cash Flow Hedging | Cash flow hedge | Reclassification out of Accumulated Other Comprehensive Income
Gain or (loss) on cash flow hedging relationships in Subtopic 815-20
Amount of (loss) gain reclassified from accumulated other comprehensive income (loss)		2,090
Interest contracts | Cash Flow Hedging | Interest expense on borrowings
Gain or (loss) on cash flow hedging relationships in Subtopic 815-20
Amount of gain or (loss) reclassified from accumulated other comprehensive income (loss) as a result that a forecasted transaction is no longer probable of occurring	0	0
Other Contracts | Other income / (expense)
Gain or (loss) on cash flow hedging relationships in Subtopic 815-20
Derivative not designated as hedging instruments	$ (129)	$ 29

Derivatives and Hedging Activ_7

Derivatives and Hedging Activities - Cumulative Basis Adjustment for Fair Value Hedges (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Carrying Amount of the Hedged Assets/(Liabilities)	$ 484,889	$ 478,120
Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets/(Liabilities)	13,042	$ 6,426
Amortized cost basis of the closed portfolios used in these hedging relationships	1,340,000
Hedging adjustment on discontinued hedging relationships	$ 3,100

Derivatives and Hedging Activ_8

Derivatives and Hedging Activities - Offsetting Derivatives (Details) - Derivative contracts - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Assets:
Gross Amounts Recognized	$ 0	$ 821
Gross Amounts Offset	0	0
Net Amounts Presented	0	821
Gross Amounts Not Offset, Financial Instruments	0	0
Gross Amounts Not Offset, Cash Collateral Posted	0	0
Net Amount	0	821
Liabilities:
Gross Amounts Recognized	1,259	125
Gross Amounts Offset	0	0
Net Amounts Presented	1,259	125
Gross Amounts Not Offset, Financial Instruments	0	0
Gross Amounts Not Offset, Cash Collateral Posted	0	0
Net Amount	$ 1,259	$ 125

Comprehensive Income (Component

Comprehensive Income (Components of Comprehensive Income (Loss), Gross and Net Of Tax) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net income, Gross	$ 54,159	$ 67,463
Net income, Tax	(14,647)	(19,305)
Net income	39,512	48,158
Other comprehensive (loss) income, Gross	(48,511)	169
Other comprehensive (loss) income, Tax	15,747	725
Total other comprehensive (loss) income	(32,764)	894
Comprehensive income, Gross	5,648	67,632
Comprehensive income, Tax	1,100	(18,580)
Total comprehensive income	6,748	49,052
Change in funded status of retirement obligations
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive (loss) income, Gross	28	18
Other comprehensive (loss) income, Tax	(8)	(5)
Total other comprehensive (loss) income	20	13
Unrealized gains on debt securities available-for-sale
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive (loss) income, Gross	49,409	21,514
Other comprehensive (loss) income, Tax	(11,781)	(5,275)
Total other comprehensive (loss) income	37,628	16,239
Accretion of loss on debt securities reclassified to held-to-maturity from available-for-sale
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive (loss) income, Gross	74	157
Other comprehensive (loss) income, Tax	(18)	(44)
Total other comprehensive (loss) income	56	113
Other-than-temporary impairment accretion on debt securities
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive (loss) income, Gross	250	251
Other comprehensive (loss) income, Tax	(70)	(71)
Total other comprehensive (loss) income	180	180
Net losses on derivatives
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive (loss) income, Gross	(98,272)	(21,771)
Other comprehensive (loss) income, Tax	27,624	6,120
Total other comprehensive (loss) income	$ (70,648)	$ (15,651)

Comprehensive Income (Compone_2

Comprehensive Income (Component of Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, beginning of period	$ 2,621,950	$ 3,005,330
Net change	(32,764)	894
Balance, end of period	2,594,758	2,955,830
Total accumulated other comprehensive loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, beginning of period	(18,622)	(11,569)
Net change	(32,764)	894
Balance, end of period	(51,386)	(10,675)
Change in funded status of retirement obligations
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, beginning of period	(6,690)	(3,018)
Net change	20	13
Balance, end of period	(6,670)	(3,005)
Accretion of loss on debt securities reclassified to held-to-maturity from available-for-sale
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, beginning of period	(386)	(921)
Net change	56	113
Balance, end of period	(330)	(808)
Unrealized gains (losses) on debt securities available-for-sale and gains included in net income
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, beginning of period	29,456	(8,884)
Net change	37,628	16,239
Balance, end of period	67,084	7,355
Other-than-temporary impairment accretion on debt securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, beginning of period	(10,629)	(11,397)
Net change	180	180
Balance, end of period	(10,449)	(11,217)
Net losses on derivatives
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, beginning of period	(30,373)	12,651
Net change	(70,648)	(15,651)
Balance, end of period	$ (101,021)	$ (3,000)

Comprehensive Income (Reclassif

Comprehensive Income (Reclassification Adjustment) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of net loss (gain)	$ (60,392)	$ (60,998)
Reclassification adjustment for unrealized losses (gains) on derivatives	(82,816)	(93,539)
Total before tax	54,159	67,463
Income tax (expense) benefit	(14,647)	(19,305)
Net income	39,512	48,158
Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total before tax	2,098	(2,092)
Income tax (expense) benefit	(567)	599
Net income	1,531	(1,493)
Change in funded status of retirement obligations | Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of net loss (gain)	8	(2)
Interest expense | Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification adjustment for unrealized losses (gains) on derivatives	$ 2,090	$ (2,090)

Fair Value Measurements (Carryi

Fair Value Measurements (Carrying Value of Our Assets Measured at Fair Value on a Recurring Basis) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Assets:
Equity securities	$ 6,140	$ 6,039
Debt securities available-for-sale, at estimated fair value	2,575,446	2,695,390
Federal Home Loan Mortgage Corporation
Assets:
Debt securities available-for-sale, at estimated fair value	1,179,216	1,240,379
Federal National Mortgage Association
Assets:
Debt securities available-for-sale, at estimated fair value	1,131,316	1,178,049
Government National Mortgage Association
Assets:
Debt securities available-for-sale, at estimated fair value	264,914	276,962
Fair Value, Measurements, Recurring
Assets:
Equity securities	6,140	6,039
Debt securities available-for-sale, at estimated fair value	2,575,446	2,695,390
Liabilities:
Derivative financial instruments	1,259	125
Fair Value, Measurements, Recurring | Federal Home Loan Mortgage Corporation
Assets:
Debt securities available-for-sale, at estimated fair value	1,179,216	1,240,379
Fair Value, Measurements, Recurring | Federal National Mortgage Association
Assets:
Debt securities available-for-sale, at estimated fair value	1,131,316	1,178,049
Fair Value, Measurements, Recurring | Government National Mortgage Association
Assets:
Debt securities available-for-sale, at estimated fair value	264,914	276,962
Level 1 | Fair Value, Measurements, Recurring
Assets:
Equity securities	6,140	6,039
Debt securities available-for-sale, at estimated fair value	0	0
Liabilities:
Derivative financial instruments	0	0
Level 1 | Fair Value, Measurements, Recurring | Federal Home Loan Mortgage Corporation
Assets:
Debt securities available-for-sale, at estimated fair value	0	0
Level 1 | Fair Value, Measurements, Recurring | Federal National Mortgage Association
Assets:
Debt securities available-for-sale, at estimated fair value	0	0
Level 1 | Fair Value, Measurements, Recurring | Government National Mortgage Association
Assets:
Debt securities available-for-sale, at estimated fair value	0	0
Level 2 | Fair Value, Measurements, Recurring
Assets:
Equity securities	0	0
Debt securities available-for-sale, at estimated fair value	2,575,446	2,695,390
Liabilities:
Derivative financial instruments	1,259	125
Level 2 | Fair Value, Measurements, Recurring | Federal Home Loan Mortgage Corporation
Assets:
Debt securities available-for-sale, at estimated fair value	1,179,216	1,240,379
Level 2 | Fair Value, Measurements, Recurring | Federal National Mortgage Association
Assets:
Debt securities available-for-sale, at estimated fair value	1,131,316	1,178,049
Level 2 | Fair Value, Measurements, Recurring | Government National Mortgage Association
Assets:
Debt securities available-for-sale, at estimated fair value	264,914	276,962
Level 3 | Fair Value, Measurements, Recurring
Assets:
Equity securities	0	0
Debt securities available-for-sale, at estimated fair value	0	0
Liabilities:
Derivative financial instruments	0	0
Level 3 | Fair Value, Measurements, Recurring | Federal Home Loan Mortgage Corporation
Assets:
Debt securities available-for-sale, at estimated fair value	0	0
Level 3 | Fair Value, Measurements, Recurring | Federal National Mortgage Association
Assets:
Debt securities available-for-sale, at estimated fair value	0	0
Level 3 | Fair Value, Measurements, Recurring | Government National Mortgage Association
Assets:
Debt securities available-for-sale, at estimated fair value	0	0
Derivative contracts
Assets:
Interest rate swaps	0	821
Liabilities:
Derivative financial instruments	1,259	125
Derivative contracts | Fair Value, Measurements, Recurring
Assets:
Debt securities available-for-sale, at estimated fair value		5,989
Interest rate swaps	33,028
Liabilities:
Derivative financial instruments	1,005
Derivative contracts | Level 1 | Fair Value, Measurements, Recurring
Assets:
Interest rate swaps	0
Liabilities:
Derivative financial instruments	0
Derivative contracts | Level 2 | Fair Value, Measurements, Recurring
Assets:
Interest rate swaps	33,028
Liabilities:
Derivative financial instruments	1,005
Derivative contracts | Level 3 | Fair Value, Measurements, Recurring
Assets:
Interest rate swaps	0
Liabilities:
Derivative financial instruments	0
Other contracts | Fair Value, Measurements, Recurring
Liabilities:
Derivative financial instruments	254	125
Other contracts | Level 1 | Fair Value, Measurements, Recurring
Liabilities:
Derivative financial instruments	0	0
Other contracts | Level 2 | Fair Value, Measurements, Recurring
Liabilities:
Derivative financial instruments	254	125
Other contracts | Level 3 | Fair Value, Measurements, Recurring
Liabilities:
Derivative financial instruments	$ 0	$ 0

Fair Value Measurements (Narrat

Fair Value Measurements (Narrative) (Details)	Mar. 31, 2020USD ($)	Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Outstanding minimum balance of loans to be evaluated for impairment individually	$ 1,000,000
Outstanding minimum balance of loans that are evaluated for impairment individually	$ 1,000,000
Prepayment speeds | Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
MSR, net input (percentage)	0.0918	0.0660
Prepayment speeds | Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
MSR, net input (percentage)	0.2892	0.2910
Discount Rate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
MSR, net input (percentage)	0.1204	0.1205
Discount Rate | Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans, measurement input (percentage)	0.00%
Other real estate owned, measurement input (percentage)	0
Discount Rate | Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans, measurement input (percentage)	25.00%
Other real estate owned, measurement input (percentage)	0.25

Fair Value Measurements (Carr_2

Fair Value Measurements (Carrying Value of Our Assets Measured at Fair Value on a Non-Recurring Basis) (Details) $ in Thousands	Mar. 31, 2020USD ($)	Dec. 31, 2019USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral-dependent loans	$ 71,462
MSR, net	11,500	$ 14,100
Fair Value, Measurements, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset, fair value	14,523	10,671
Fair Value, Measurements, Nonrecurring | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset, fair value	0	0
Fair Value, Measurements, Nonrecurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset, fair value	0	0
Fair Value, Measurements, Nonrecurring | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset, fair value	14,523	10,671
Market comparable and estimated cash flow | Fair Value, Measurements, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
MSR, net	10,227	10,409
Market comparable and estimated cash flow | Fair Value, Measurements, Nonrecurring | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
MSR, net	0	0
Market comparable and estimated cash flow | Fair Value, Measurements, Nonrecurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
MSR, net	0	0
Market comparable and estimated cash flow | Fair Value, Measurements, Nonrecurring | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
MSR, net	10,227	10,409
Valuation Technique, Market Approach And Discounted Cashflow | Fair Value, Measurements, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral-dependent loans	2,889
Valuation Technique, Market Approach And Discounted Cashflow | Fair Value, Measurements, Nonrecurring | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral-dependent loans	0
Valuation Technique, Market Approach And Discounted Cashflow | Fair Value, Measurements, Nonrecurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral-dependent loans	0
Valuation Technique, Market Approach And Discounted Cashflow | Fair Value, Measurements, Nonrecurring | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral-dependent loans	2,889
Market comparable | Fair Value, Measurements, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate owned	1,407	262
Market comparable | Fair Value, Measurements, Nonrecurring | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate owned	0	0
Market comparable | Fair Value, Measurements, Nonrecurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate owned	0	0
Market comparable | Fair Value, Measurements, Nonrecurring | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate owned	$ 1,407	$ 262
Valuation Technique, Market Approach And Discounted Cashflow | Valuation Technique, Market Approach And Discounted Cashflow | Minimum | Fair Value, Measurements, Nonrecurring | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral Dependant Loans, Measurement Input	0.06%
Valuation Technique, Market Approach And Discounted Cashflow | Valuation Technique, Market Approach And Discounted Cashflow | Maximum | Fair Value, Measurements, Nonrecurring | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral Dependant Loans, Measurement Input	6.80%
Valuation Technique, Market Approach And Discounted Cashflow | Valuation Technique, Market Approach And Discounted Cashflow | Weighted Average | Fair Value, Measurements, Nonrecurring | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral Dependant Loans, Measurement Input	29.33%
Lack of marketability | Market comparable and estimated cash flow | Minimum | Fair Value, Measurements, Nonrecurring | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
MSR, net input (percentage)	0.092	0.066
Lack of marketability | Market comparable and estimated cash flow | Maximum | Fair Value, Measurements, Nonrecurring | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
MSR, net input (percentage)	0.289	0.291
Lack of marketability | Market comparable and estimated cash flow | Weighted Average | Fair Value, Measurements, Nonrecurring | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
MSR, net input (percentage)	0.1764	0.1104
Lack of marketability | Market comparable | Minimum | Fair Value, Measurements, Nonrecurring | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate owned, measurement input (percentage)	0	0
Lack of marketability | Market comparable | Maximum | Fair Value, Measurements, Nonrecurring | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate owned, measurement input (percentage)	0.250	0.250
Lack of marketability | Market comparable | Weighted Average | Fair Value, Measurements, Nonrecurring | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate owned, measurement input (percentage)	0.0908	0.0270

Fair Value Measurements (Carr_3

Fair Value Measurements (Carrying Amounts and Estimated Fair Values) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Assets:
Equities	$ 6,140	$ 6,039
Debt securities available-for-sale	2,575,446	2,695,390
Debt securities held-to-maturity	1,169,054	1,190,104
Carrying value
Assets:
Cash and cash equivalents	672,020	174,915
Equities	6,140	6,039
Debt securities available-for-sale	2,575,446	2,695,390
Debt securities held-to-maturity	1,111,525	1,148,815
FHLB stock	269,127	267,219
Loans held for sale	36,311	29,797
Net loans	21,050,096	21,476,056
Derivative financial instruments	33,028	5,989
Financial liabilities:
Deposits, other than time deposits	13,997,060	13,853,030
Time deposits	4,187,566	4,007,308
Borrowed funds	5,466,663	5,827,111
Derivative financial instruments	1,259	125
Estimated fair value
Assets:
Cash and cash equivalents	672,020	174,915
Equities	6,140	6,039
Debt securities available-for-sale	2,575,446	2,695,390
Debt securities held-to-maturity	1,169,054	1,190,104
FHLB stock	269,127	267,219
Loans held for sale	36,311	29,797
Net loans	21,481,376	21,563,627
Derivative financial instruments	33,028	5,989
Financial liabilities:
Deposits, other than time deposits	13,997,060	13,853,030
Time deposits	4,322,322	4,007,342
Borrowed funds	5,542,288	5,834,895
Derivative financial instruments	1,259	125
Level 1 | Estimated fair value
Assets:
Cash and cash equivalents	672,020	174,915
Equities	6,140	6,039
Debt securities available-for-sale	0	0
Debt securities held-to-maturity	0	0
FHLB stock	269,127	267,219
Loans held for sale	0	0
Net loans	0	0
Derivative financial instruments	0	0
Financial liabilities:
Deposits, other than time deposits	13,997,060	13,853,030
Time deposits	0	0
Borrowed funds	0	0
Derivative financial instruments	0	0
Level 2 | Estimated fair value
Assets:
Cash and cash equivalents	0	0
Equities	0	0
Debt securities available-for-sale	2,575,446	2,695,390
Debt securities held-to-maturity	1,105,915	1,116,771
FHLB stock	0	0
Loans held for sale	36,311	29,797
Net loans	0	0
Derivative financial instruments	33,028	5,989
Financial liabilities:
Deposits, other than time deposits	0	0
Time deposits	4,322,322	4,007,342
Borrowed funds	5,542,288	5,834,895
Derivative financial instruments	1,259	125
Level 3 | Estimated fair value
Assets:
Cash and cash equivalents	0	0
Equities	0	0
Debt securities available-for-sale	0	0
Debt securities held-to-maturity	63,139	73,333
FHLB stock	0	0
Loans held for sale	0	0
Net loans	21,481,376	21,563,627
Derivative financial instruments	0	0
Financial liabilities:
Deposits, other than time deposits	0	0
Time deposits	0	0
Borrowed funds	0	0
Derivative financial instruments	$ 0	$ 0

Revenue Recognition (Details)

Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Disaggregation of Revenue [Line Items]
Revenue	$ 6,969	$ 5,506
Fees and service charges
Disaggregation of Revenue [Line Items]
Revenue	3,950	3,283
Other income
Disaggregation of Revenue [Line Items]
Revenue	$ 3,019	$ 2,223

Subsequent Event (Details)

Subsequent Event (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	May 26, 2020	Apr. 29, 2020	Apr. 03, 2020	Mar. 31, 2020	Mar. 31, 2019
Subsequent Event [Line Items]
Dividends paid per share (usd per share)				$ 0.12	$ 0.11
Subsequent Event
Subsequent Event [Line Items]
Dividends declared per share (usd per share)		$ 0.12
Shares issued to acquire business			2.8
Payments to acquire business			$ 31
Scenario, Forecast | Subsequent Event
Subsequent Event [Line Items]
Dividends paid per share (usd per share)	$ 0.12