Entity Central Index Key Income tax expense (benefit) before valuation allowance. Other comprehensive income reclassification amortization of unrealized holding gain loss on securities transferred from available for sale to held to maturity, net of tax. Amount of fees and commissions from financial services and banking activities and correspondent clearing. Includes fees from depositor accounts, credit cards, merchant discounts, and fiduciary and trust activities, guarantee fees, investment advisory, management, and administrative fees, transfer agent fees, and insurance commissions. Amount of income earned from credit card services (including late, over limit, and annual fees) and debit card services (including interchange fees, annual fees and other fees). Excludes interest income earned on credit card balances and transactions. Noninterest income from loan-related fees and charges. Core Deposit Intangible Deferred income taxes and valuation allowance. Realized gain (loss) on sale and call of securities available for sale. Realized gain (loss) on sale and call of securities held to maturity. Proceeds from sale of SBA loans. Gain loss on sale of SBA loans. Loss on write-down of premises. Bank owned life insurance increase in cash surrender value. Purchase of subordinated debt security. Proceeds from (repayments of) other short term debt. Payments for repurchase and cancellation of common stock. Cancellation of expired ungranted shares issued for stock benefit plan. Cancellation of shares repurchased on vesting to pay taxes. Payments for repurchase and cancellation of common stock held in treasury. Document and entity information. Document And Entity Information [Abstract] Document Type Document Type Amendment Flag Amendment Flag Entity Shell Company Entity Shell Company Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Well Known Seasoned Issuer Entity Current Reporting Status Entity Current Reporting Status Entity Voluntary Filers Entity Voluntary Filers Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock Shares Outstanding Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Public Float Entity Public Float Statement Of Financial Position [Abstract] Assets Assets [Abstract] Cash and amounts due from depository institutions Cash And Due From Banks Interest-bearing deposits in other banks Interest Bearing Deposits In Banks Cash and cash equivalents Cash And Cash Equivalents At Carrying Value Investment securities available for sale, at fair value Available For Sale Securities Investment securities held to maturity (fair value $584,678 and $579,499) Held To Maturity Securities Loans held-for-sale Loans Receivable Held For Sale Net Not Part Of Disposal Group Loans receivable, including unaccreted yield adjustments of $(52,025) and $(66,567) Loans And Leases Receivable Net Of Deferred Income Less: allowance for loan losses Loans And Leases Receivable Allowance Net loans receivable Loans And Leases Receivable Net Reported Amount Premises and equipment Property Plant And Equipment Net Federal Home Loan Bank ("FHLB") of New York stock Federal Home Loan Bank Stock Accrued interest receivable Interest Receivable Goodwill Goodwill Core deposit intangible Core Deposit Intangible Bank owned life insurance Bank Owned Life Insurance Deferred income tax assets, net Deferred Tax Assets Liabilities Net Other real estate owned Other Real Estate Other assets Other Assets Total Assets Assets Liabilities and Stockholders' Equity Liabilities And Stockholders Equity [Abstract] Liabilities Liabilities [Abstract] Deposits: Non-interest-bearing Noninterest Bearing Deposit Liabilities Domestic Deposits: Interest-bearing Interest Bearing Deposit Liabilities Domestic Total deposits Deposits Borrowings Debt Longterm And Shortterm Combined Amount Advance payments by borrowers for taxes Advance Payments By Borrowers For Taxes And Insurance Other liabilities Other Liabilities Total Liabilities Liabilities Stockholders' Equity Stockholders Equity [Abstract] Preferred stock, $0.01 par value, 100,000,000 shares authorized; none issued and outstanding Preferred Stock Value Common stock, $0.01 par value; 800,000,000 shares authorized; 89,125,655 shares and 99,626,400 shares issued and outstanding, respectively Common Stock Value Paid-in capital Additional Paid In Capital Common Stock Retained earnings Retained Earnings Accumulated Deficit Unearned employee stock ownership plan shares; 3,160,987 shares and 3,361,684 shares, respectively Employee Stock Ownership Plan E S O P Deferred Shares Accumulated other comprehensive income Accumulated Other Comprehensive Income Loss Net Of Tax Total Stockholders' Equity Stockholders Equity Total Liabilities and Stockholders' Equity Liabilities And Stockholders Equity Securities held to maturity, estimated fair value Held To Maturity Securities Fair Value Loans receivable, unamortized yield adjustments Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums Preferred stock, par value Preferred Stock Par Or Stated Value Per Share Preferred stock, shares authorized Preferred Stock Shares Authorized Preferred stock, shares issued Preferred Stock Shares Issued Preferred stock, shares outstanding Preferred Stock Shares Outstanding Common stock, par value Common Stock Par Or Stated Value Per Share Common stock, shares authorized Common Stock Shares Authorized Common stock, shares issued Common Stock Shares Issued Common stock, shares outstanding Common Stock Shares Outstanding Employee Stock Ownership Plan (ESOP), Number of Suspense Shares Employee Stock Ownership Plan E S O P Number Of Suspense Shares Equipment and system expense. Income Statement [Abstract] Interest Income Interest And Dividend Income Operating [Abstract] Loans Interest And Fee Income Loans And Leases Taxable investment securities Interest Income Securities Taxable Tax-exempt investment securities Interest Income Securities Tax Exempt Other interest-earning assets Other Interest And Dividend Income Total Interest Income Interest And Dividend Income Operating Interest Expense Interest Expense [Abstract] Deposits Interest Expense Deposits Borrowings Interest Expense Borrowings Total Interest Expense Interest Expense Net Interest Income Interest Income Expense Net Provision for Loan Losses Provision For Loan And Lease Losses Net Interest Income after Provision for Loan Losses Interest Income Expense After Provision For Loan Loss Non-Interest Income Noninterest Income [Abstract] Fees and service charges Fees And Commission (Loss) gain on sale and call of securities Debt And Equity Securities Gain Loss Gain on sale of loans Gain Loss On Sales Of Loans Net Loss on sale and write down of other real estate owned Gains Losses On Sales Of Other Real Estate Income from bank owned life insurance Bank Owned Life Insurance Income Electronic banking fees and charges Fees And Commission Credit And Debit Cards Miscellaneous Noninterest Income Other Operating Income Total Non-Interest Income Noninterest Income Non-Interest Expense Noninterest Expense [Abstract] Salaries and employee benefits Labor And Related Expense Net occupancy expense of premises Occupancy Net Equipment and systems Equipment And System Expense Advertising and marketing Marketing And Advertising Expense Federal deposit insurance premium Federal Deposit Insurance Corporation Premium Expense Directors' compensation Noninterest Expense Directors Fees Merger-related expenses Business Combination Acquisition Related Costs Miscellaneous Other Noninterest Expense Total Non-Interest Expense Noninterest Expense Income before Income Taxes Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest Income tax expense Income Tax Expense Benefit Net Income Net Income Loss Net Income per Common Share (EPS) Earnings Per Share [Abstract] Basic Earnings Per Share Basic Diluted Earnings Per Share Diluted Weighted Average Number of Common Shares Outstanding Weighted Average Number Of Shares Outstanding [Abstract] Basic Weighted Average Number Of Shares Outstanding Basic Diluted Weighted Average Number Of Diluted Shares Outstanding Statement Of Income And Comprehensive Income [Abstract] Net Income Other Comprehensive (Loss) Income, net of tax: Other Comprehensive Income Loss Net Of Tax Period Increase Decrease [Abstract] Net unrealized gain (loss) on securities available for sale Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax Amortization of net unrealized gain (loss) on securities available for sale transferred to held to maturity Other Comprehensive Income Reclassification Amortization Of Unrealized Holding Gain Loss On Securities Transferred From Available For Sale To Held To Maturity Net Of Tax Net realized loss (gain) on securities available for sale Other Comprehensive Income Loss Reclassification Adjustment From A O C I For Sale Of Securities Net Of Tax Fair value adjustments on derivatives Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax Benefit plan adjustments Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax Total Other Comprehensive (Loss) Income Other Comprehensive Income Loss Net Of Tax Total Comprehensive Income Comprehensive Income Net Of Tax Stock issued during period shares cancellation of expired ungranted shares issued for stock benefit plan. Adjustments to additional paid in capital cancellation of expired ungranted shares issued for stock benefit plan. Adjustments to additional paid in capital share based compensation restricted stock shares requisite service period recognition. Statement Of Stockholders Equity [Abstract] Statement [Table] Statement [Table] Equity Components Statement Equity Components [Axis] Equity Component Equity Component [Domain] Common Stock [Member] Common Stock [Member] Paid-in Capital [Member] Additional Paid In Capital [Member] Retained Earnings [Member] Retained Earnings [Member] Unearned ESOP shares. Unearned ESOP Shares [Member] Unearned Esop Shares [Member] Accumulated Other Comprehensive (Loss) Income [Member] Accumulated Other Comprehensive Income [Member] Business Acquisition Business Acquisition [Axis] Business Acquisition, Acquiree Business Acquisition Acquiree [Domain] Clifton Bancorp Inc. Clifton Bancorp Incorporation [Member] Clifton Bancorp Incorporation [Member] Statement [Line Items] Statement [Line Items] Balance (in value) Balance (in shares) Cumulative effect of change in accounting principle for the adoption of ASU 2017-08 Cumulative Effect Of New Accounting Principle In Period Of Adoption Balance - July 1, 2018, as adjusted for change in accounting principle Stockholders Equity Including Portion Attributable To Noncontrolling Interest Adjusted Balance1 Other comprehensive income (loss), net of income tax expense (benefit) ESOP shares committed to be released Amortization Of E S O P Award Stock option exercise (in value) Stock Issued During Period Value Stock Options Exercised Stock option exercise (in shares) Stock Issued During Period Shares Stock Options Exercised Stock option expense Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition Share repurchases (in value) Stock Repurchased During Period Value Stock repurchases (in shares) Stock Repurchased During Period Shares Issuance of shares under stock benefit plan (in value) Stock Issued During Period Value Employee Benefit Plan Issuance of shares under stock benefit plans (in shares) Stock Issued During Period Shares Employee Benefit Plan Cancellation of expired, ungranted shares issued for stock benefit plan (in value) Adjustments To Additional Paid In Capital Cancellation Of Expired Ungranted Shares Issued For Stock Benefit Plan Cancellation of expired, ungranted shares issued for stock benefit plan (in shares) Stock Issued During Period Shares Cancellation Of Expired Ungranted Shares Issued For Stock Benefit Plan Restricted stock plan shares earned (in value) Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition Restricted stock plan shares earned (in shares) Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Shares Requisite Service Period Recognition Cancellation of shares issued for restricted stock awards (in value) Stock Issued During Period Value Restricted Stock Award Forfeitures Cancellation of shares issued for restricted stock awards (in shares) Stock Issued During Period Shares Restricted Stock Award Forfeited Reclassification of stranded tax effects from Accumulated Other Comprehensive Income Cumulative Effect On Retained Earnings Net Of Tax1 Acquisition of Clifton Bancorp Stock Issued During Period Value Acquisitions Acquisition of Clifton Bancorp, Shares Stock Issued During Period Shares Acquisitions Cash dividends declared Dividends Common Stock Cash Balance (in value) Balance (in shares) ESOP shares committed to be released, shares Employee Stock Ownership Plan E S O P Shares Contributed To E S O P Restricted stock plan shares earned, shares Stock Issued During Period Shares Restricted Stock Award Net Of Forfeitures Dividends Declared Per Common Share Common Stock Dividends Per Share Declared Statement Of Cash Flows [Abstract] Cash Flows from Operating Activities: Net Cash Provided By Used In Operating Activities [Abstract] Adjustment to reconcile net income to net cash provided by operating activities: Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Depreciation and amortization of premises and equipment Depreciation Nonproduction Net (accretion) amortization of premiums, discounts and loan fees and costs Amortization Of Financing Costs And Discounts Deferred income taxes and valuation allowance Deferred Income Taxes And Valuation Allowance Amortization of intangible assets Amortization Of Intangible Assets Amortization of benefit plans’ unrecognized net (gain) loss Pension And Other Postretirement Benefit Expense Loss on write-down and sales of real estate owned Loans originated for sale Payments For Origination And Purchases Of Loans Held For Sale Proceeds from sale of mortgage loans held-for-sale Proceeds From Sale Of Loans Held For Sale Gain on sale of mortgage loans held-for-sale, net Gain Loss On Sale Of Mortgage Loans Realized loss (gain) on sale/call of securities available for sale Realized Gain Loss On Sale And Call Of Securities Available For Sale Realized loss (gain) on sale/call of securities held to maturity Realized Gain Loss On Sale And Call Of Securities Held To Maturity Proceeds from sale of SBA loans Proceeds From Sale Of S B A Loans Realized gain on sale of SBA loans Gain Loss On Sale Of S B A Loans Realized loss (gain) on disposition of premises and equipment Gain Loss On Disposition Of Assets Loss on write-down of premises Loss On Write Down Of Premises Increase in cash surrender value of bank owned life insurance Bank Owned Life Insurance Increase In Cash Surrender Value ESOP, stock option plan and restricted stock plan expenses Share Based Compensation Increase in interest receivable Increase Decrease In Interest And Dividends Receivable Decrease in other assets Increase Decrease In Other Operating Assets Increase in interest payable Increase Decrease In Interest Payable Net (Decrease) Increase in other liabilities Increase Decrease In Other Operating Liabilities Net Cash Provided by Operating Activities Net Cash Provided By Used In Operating Activities Cash Flows from Investing Activities: Net Cash Provided By Used In Investing Activities [Abstract] Purchases of: Payments To Acquire Investments [Abstract] Investment securities available for sale Payments To Acquire Available For Sale Securities Investment securities held to maturity Payments To Acquire Held To Maturity Securities Proceeds from: Proceeds From Sale Maturity And Collections Of Investments [Abstract] Repayments/calls/maturities of investment securities available for sale Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities Repayments/calls/maturities of investment securities held to maturity Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities Sale of investment securities available for sale Proceeds From Sale Of Available For Sale Securities Debt Sale of investment securities held to maturity Proceeds From Sale Of Held To Maturity Securities Purchase of loans Payments To Acquire Loans And Leases Held For Investment Net increase in loans receivable Payments To Acquire Loans Receivable Proceeds from sale of real estate owned Proceeds From Sale Of Foreclosed Assets Additions to premises and equipment Payments To Acquire Property Plant And Equipment Proceeds from cash settlement of premises and equipment Proceeds From Insurance Settlement Investing Activities Purchase of FHLB stock Payments To Acquire Federal Home Loan Bank Stock Redemption of FHLB stock Proceeds From Sale Of Federal Home Loan Bank Stock Net cash acquired in acquisition Cash Acquired From Acquisition Net Cash Used in Investing Activities Net Cash Provided By Used In Investing Activities Cash paid during period. Cash flow non cash investing activities disclosure. Cash Flows from Financing Activities: Net Cash Provided By Used In Financing Activities [Abstract] Net increase in deposits Increase Decrease In Deposits Repayment of term FHLB advances Repayments Of Federal Home Loan Bank Borrowings Proceeds from term FHLB advances Proceeds From Federal Home Loan Bank Borrowings Net (decrease) increase in other short-term borrowings Proceeds From Repayments Of Other Short Term Debt Net (decrease) increase in advance payments by borrowers for taxes Increase Decrease In Advance Payments By Borrowers For Taxes And Insurance Repurchase and cancellation of common stock of Kearny Financial Corp. Payments For Repurchase And Cancellation Of Common Stock Cancellation of expired, ungranted shares issued for stock benefit plan Cancellation Of Expired Ungranted Shares Issued For Stock Benefit Plan Cancellation of shares repurchased on vesting to pay taxes Cancellation Of Shares Repurchased On Vesting To Pay Taxes Exercise of stock options Proceeds From Stock Options Exercised Dividends paid Payments Of Dividends Net Cash Provided by Financing Activities Net Cash Provided By Used In Financing Activities Net Increase (decrease) in Cash and Cash Equivalents Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect Cash and Cash Equivalents - Beginning Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Cash and Cash Equivalents - Ending Supplemental Disclosures of Cash Flows Information: Supplemental Cash Flow Information [Abstract] Cash paid during the year for: Cash Paid During Period [Abstract] Income taxes, net of refunds Income Taxes Paid Net Interest Interest Paid Net Non-cash investing activities: Cash Flow Non Cash Investing Activities Disclosure [Abstract] Acquisition of real estate owned in settlement of loans Transfer To Other Real Estate Fair value of assets acquired, net of cash and cash equivalents acquired Fair Value Of Assets Acquired Fair value of liabilities assumed Liabilities Assumed1 Accounting Policies [Abstract] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Accounting Changes And Error Corrections [Abstract] Recent Accounting Pronouncements New Accounting Pronouncements And Changes In Accounting Principles [Text Block] Business Combinations [Abstract] Acquisition of Clifton Bancorp Inc Business Combination Disclosure [Text Block] Investments Debt And Equity Securities [Abstract] Schedule Of Available For Sale Securities [Table] Schedule Of Available For Sale Securities [Table] Debt Security Category Information By Category Of Debt Security [Axis] Other than Temporary Impairment, Credit Losses Recognized in Earnings, Categories of Investments Other Than Temporary Impairment Credit Losses Recognized In Earnings Categories Of Investments [Domain] Securities Available for Sale [Member] Availableforsale Securities [Member] Schedule of Available-for-sale Securities [Line Items] Schedule Of Available For Sale Securities [Line Items] Securities Investments In Debt And Marketable Equity Securities And Certain Trading Assets Disclosure [Text Block] Schedule Of Held To Maturity Securities [Table] Schedule Of Held To Maturity Securities [Table] Securities Held to Maturity [Member] Heldtomaturity Securities [Member] Schedule Of Held To Maturity Securities [Line Items] Schedule Of Held To Maturity Securities [Line Items] The entire disclosure for the impairment of securities. Impairment of Securities Impairment Of Securities [Text Block] Receivables [Abstract] Loans Receivable Financing Receivables [Text Block] Loan Quality and Allowance for Loan Losses Allowance For Credit Losses [Text Block] Property Plant And Equipment [Abstract] Premises and Equipment Property Plant And Equipment Disclosure [Text Block] Goodwill And Intangible Assets Disclosure [Abstract] Goodwill and Other Intangible Assets Goodwill And Intangible Assets Disclosure [Text Block] Banking And Thrift [Abstract] Deposits Deposit Liabilities Disclosures [Text Block] Debt Disclosure [Abstract] Borrowings Debt Disclosure [Text Block] Derivative Instruments And Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Derivative Instruments And Hedging Activities Disclosure [Text Block] Compensation And Retirement Disclosure [Abstract] Benefit Plans Pension And Other Postretirement Benefits Disclosure [Text Block] Stockholders Equity Note [Abstract] Stockholders' Equity Regulatory Capital Requirements Under Banking Regulations [Text Block] Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Commitments And Contingencies Disclosure [Abstract] Commitments Commitments Disclosure [Text Block] Fair Value Disclosures [Abstract] Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Equity [Abstract] Comprehensive Income Comprehensive Income Note [Text Block] Revenue From Contract With Customer [Abstract] Revenue Recognition Revenue From Contract With Customer [Text Block] Condensed Financial Information Of Parent Company Only Disclosure [Abstract] Parent Only Financial Information Condensed Financial Information Of Parent Company Only Disclosure [Text Block] Net Income per Common Share (EPS) Earnings Per Share [Text Block] Quarterly Financial Information Disclosure [Abstract] Quarterly Results of Operations Quarterly Financial Information [Text Block] Basis of Consolidated Financial Statement Presentation Consolidation Policy [Text Block] Business of the Company and Subsidiaries Business of the Company and Subsidiaries Business Of Company And Subsidiaries Policy [Text Block] Cash and Cash Equivalents Cash And Cash Equivalents Policy [Text Block] Securities Marketable Securities Policy Concentration of Risk Concentration Risk Credit Risk Loans Receivable Finance Loan And Lease Receivables Held For Investment Policy Loans Held-for-Sale Finance Loan And Lease Receivables Held For Sale Policy Past Due Loans Loans And Leases Receivable Past Due Status Policy Nonaccrual Loans Loans And Leases Receivable Nonaccrual Loan And Lease Status Policy Classification of Assets Classification of Assets Classification Of Assets Policy [Text Block] Acquired Loans Acquired Loans Acquired Loans Policy [Text Block] Allowance for Loan Losses Loans And Leases Receivable Allowance For Loan Losses Policy Troubled Debt Restructurings Loans And Leases Receivable Troubled Debt Restructuring Policy Premises and Equipment Property Plant And Equipment Policy [Text Block] Federal Home Loan Bank Stock Cost Method Investments Policy Goodwill and Other Intangible Assets Goodwill And Intangible Assets Policy [Text Block] Bank Owned Life Insurance Life Settlement Contracts Policy Transfers of Financial Assets Transfers And Servicing Of Financial Assets Policy [Text Block] Income Taxes Income Tax Policy [Text Block] Retirement plans. Retirement Plans Retirement Plans Policy [Text Block] Employee Stock Ownership Plan Employee Stock Ownership Plan E S O P Policy Other Comprehensive Income Comprehensive Income Policy Policy [Text Block] Loss contingencies. Loss Contingencies Loss Contingencies Policy [Text Block] Derivatives and Hedging Derivatives Policy [Text Block] Net Income per Common Share ("EPS") Earnings Per Share Policy [Text Block] Fair Value of Financial Instruments Fair Value Of Financial Instruments Policy Operating Segments Segment Reporting Policy Policy [Text Block] Stock Compensation Plans Share Based Compensation Option And Incentive Plans Policy Advertising and Marketing Expenses Advertising Costs Policy [Text Block] Reclassification Prior Period Reclassification Adjustment Description Property, Plant And Equipment Useful Lives Estimated Useful Lives of Premises and Equipment Property Plant And Equipment Useful Lives Table [Text Block] Summary of Assets Acquired and Liabilities Assumed Through Merger at Fair Value Schedule Of Recognized Identified Assets Acquired And Liabilities Assumed Table [Text Block] Summary of Unaudited Supplemental Pro Forma Information Business Acquisition Pro Forma Information Nonrecurring Adjustments Table [Text Block] Amortized Cost, Gross Unrealized Gains and Losses and Fair Values of Securities Available For Sale Securities [Text Block] Stratification by Contractual Maturity of Securities Investments Classified By Contractual Maturity Date Table [Text Block] Sales of Securities Available for Sale Schedule Of Realized Gain Loss Table [Text Block] Available for sale securities pledged. Schedule Of Available For Sale Securities Pledged Available For Sale Securities Pledged Table [Text Block] Amortized Cost, Gross Unrecognized Gains and Losses and Fair Values of Securities Held To Maturity Securities [Text Block] Tabular disclosure of sales of securities held to maturity . Sale of Securities Held to Maturity Schedule Of Sale Of Securities Held To Maturity Table [Text Block] Securities held to maturity pledged. Securities Held to Maturity Pledged for Borrowings, Public Fund and Others Securities Held To Maturity Pledged Table [Text Block] Schedule of Fair Values and Gross Unrealized and Unrecognized Losses on Investments Schedule Of Temporary Impairment Losses Investments Table [Text Block] Schedule of Loans Receivable Schedule Of Accounts Notes Loans And Financing Receivable [Text Block] Allowance for Loan Losses and Balance of Loans Receivable Allowance For Credit Losses On Financing Receivables Table [Text Block] Credit-Rating Classification of Loans Receivable Financing Receivable Credit Quality Indicators Table [Text Block] Contractual Payment Status of Loans Receivable Past Due Financing Receivables Table [Text Block] Performance Status of Loans Receivable Schedule Of Financing Receivables Non Accrual Status Table [Text Block] Impairment Status of Loans Receivable Impaired Financing Receivables Table [Text Block] Troubled Debt Restructurings of Loans Receivable Troubled Debt Restructurings On Financing Receivables Table [Text Block] Property, Plant and Equipment Property Plant And Equipment [Text Block] Schedule of Intangible Assets and Goodwill Schedule Of Intangible Assets And Goodwill Table [Text Block] Scheduled Amortization of Core Deposit Intangibles Scheduleof Finite Lived Intangible Assets Future Amortization Expense Table [Text Block] Schedule Of Deposits Schedule of Deposits Schedule Of Deposits Table [Text Block] Schedule of Brokered Deposits Table Text Block Schedule of Brokered Deposits Schedule Of Brokered Deposits Table [Text Block] Certificates Of Deposit By Maturity Certificates of Deposit by Maturity Certificates Of Deposit By Maturity Table [Text Block] Schedule of Fixed Rate Advances from FHLB Schedule Of Federal Home Loan Bank Advances By Branch Of F H L B Bank [Text Block] Fair Values of Derivative Financial Instruments as well as Their Classification on Statement of Financial Condition Schedule Of Derivative Instruments In Statement Of Financial Position Fair Value [Text Block] Pre-tax Effects of Derivative Instruments on Consolidated Statements of Income Schedule Of Cash Flow Hedges Included In Accumulated Other Comprehensive Income Loss Table [Text Block] Schedule of offsetting derivatives. Offsetting Derivatives Schedule Of Offsetting Derivatives Table [Text Block] Plan Name Plan Name [Axis] Plan Name Plan Name [Domain] Atlas bank retirement income plan. Atlas Bank Retirement Income Plan ("ABRIP") [Member] Atlas Bank Retirement Income Plan [Member] Benefit equalization plan BEP. Benefit Equalization Plan ("BEP") [Member] Benefit Equalization Plan Bep [Member] Postretirement welfare plan. Postretirement Welfare Plan [Member] Postretirement Welfare Plan [Member] Directors consultation and retirement plan DCRP. Directors' Consultation and Retirement Plan ("DCRP") [Member] Directors Consultation And Retirement Plan Dcrp [Member] Schedule of Net Periodic Benefit Expense Schedule Of Net Benefit Costs Table [Text Block] Schedule of Impact of Retrospective Application to Consolidated Statement of Income Schedule Of Condensed Income Statement Table [Text Block] Employee Stock Ownership Plan (ESOP) Disclosures Schedule Of Employee Stock Ownership Plan E S O P Disclosures [Text Block] Schedule of Net Funded Status Schedule Of Net Funded Status Table [Text Block] Schedule of Expected Benefit Payments Schedule Of Expected Benefit Payments Table [Text Block] Schedule of Fair Value of ABRIP's Assets Schedule Of Defined Benefit Plans Disclosures [Text Block] Schedule of Assumptions to Estimate the Fair Value of the Options Granted Schedule Of Share Based Payment Award Stock Options Valuation Assumptions Table [Text Block] Summary of the Company's Stock Option Activity Schedule Of Share Based Compensation Stock Options Activity Table [Text Block] Summary of the Status of the Company's Non-vested Restricted Share Awards Schedule Of Share Based Compensation Restricted Stock Units Award Activity Table [Text Block] Consolidated Entities Consolidated Entities [Axis] Consolidated Entities Consolidated Entities [Domain] Kearny Federal Savings Bank [Member] Subsidiaries [Member] Summary of Regulatory Capital Levels Schedule Of Compliance With Regulatory Capital Requirements Under Banking Regulations [Text Block] Schedule of Components of Income Taxes Schedule Of Components Of Income Tax Expense Benefit Table [Text Block] Schedule of Effective Income Tax Rate Reconciliation Schedule Of Effective Income Tax Rate Reconciliation Table [Text Block] Schedule of Deferred Income Tax Assets and Liabilities Schedule Of Deferred Tax Assets And Liabilities Table [Text Block] Schedule of Future Minimum Rental Payments under Operating Leases Schedule Of Future Minimum Rental Payments For Operating Leases Table [Text Block] Schedule of Composition of Total Rental Expense for Operating Leases Schedule Of Rent Expense Table [Text Block] Schedule Of Outstanding Loan Commitments Schedule of Outstanding Loan Commitments Schedule Of Outstanding Loan Commitments Table [Text Block] Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis Schedule Of Fair Value Assets And Liabilities Measured On Recurring Basis Table [Text Block] Schedule of Assets and Liabilities Measured at Fair Value on a Non-recurring Basis Fair Value Assets Measured On Nonrecurring Basis [Text Block] Schedule of Quantitative Information about Level 3 Fair Value Measurements Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques Table [Text Block] Schedule of Carrying Amounts and Fair Values of Financial Instruments Fair Value By Balance Sheet Grouping [Text Block] Schedule of Accumulated Other Comprehensive Income (Loss) Schedule Of Accumulated Other Comprehensive Income Loss Table [Text Block] Schedule of Comprehensive Income (Loss) Schedule Of Comprehensive Income Loss Table [Text Block] The tabular disclosure of information regarding non interest income. Non Interest Income Non Interest Income Table [Text Block] Condensed Statements of Financial Condition Schedule Of Condensed Balance Sheet Table [Text Block] Condensed Statements of Cash Flows Schedule Of Condensed Cash Flow Statement Table [Text Block] Reconciliation of Numerators and Denominators of Basic and Diluted Earnings Per Share Computations Schedule Of Earnings Per Share Basic And Diluted Table [Text Block] Summary of Quarterly Results of Operations Schedule Of Quarterly Financial Information Table [Text Block] Number of wholly owned bank subsidiaries. Number of wholly owned bank subsidiaries Number Of Wholly Owned Bank Subsidiaries Cash and cash equivalents maturity period. Cash and cash equivalent maturity period Cash And Cash Equivalents Maturity Period Cash and cash equivalents Number of loan portfolio categories. Number of loan portfolio categories Number Of Loan Portfolio Categories Moving average period to calculate actual historical loss experience. Moving average period used to calculate actual historical experience Moving Average Period To Calculate Actual Historical Loss Experience Schedule Of Property Plant And Equipment [Table] Schedule Of Property Plant And Equipment [Table] Property, Plant and Equipment, Type Property Plant And Equipment By Type [Axis] Property, Plant and Equipment, Type Property Plant And Equipment Type [Domain] Buildings and Improvements [Member] Building And Building Improvements [Member] Furnishings and Equipment [Member] Furniture And Fixtures [Member] Leasehold Improvements [Member] Leasehold Improvements [Member] Range Range [Axis] Range Range [Member] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Property, Plant and Equipment [Line Items] Property Plant And Equipment [Line Items] Estimated useful lives of Premises and Equipment Property Plant And Equipment Useful Life Estimated useful lives of Premises and Equipment Property Plant And Equipment Estimated Useful Lives Goodwill, impairment loss Goodwill Impairment Loss Finite-lived intangible assets, net Finite Lived Intangible Assets Net Expense (benefit) attributable to deferred liability. Expenses (benefits) attributable to deferred liability Expense Benefit Attributable To Deferred Liability Federal income tax rate Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate Income tax reconciliation uncertain tax positions. Income tax uncertainties Income Tax Reconciliation Uncertain Tax Positions Unrecognized income tax benefits Unrecognized Tax Benefits Income tax interest and penalties Income Tax Examination Penalties And Interest Expense Represents the monetary amount of Business Combination Loans Acquired. The allowance for loan losses on acquired loans. New Accounting Pronouncements Or Change In Accounting Principle [Table] New Accounting Pronouncements Or Change In Accounting Principle [Table] Adjustments for New Accounting Pronouncements Adjustments For New Accounting Pronouncements [Axis] Type of Adoption Type Of Adoption [Member] Accounting Standards Update 201613 [Member]. ASU 2016-13 [Member] Accounting Standards Update201613 [Member] Subsequent Event Type Subsequent Event Type [Axis] Subsequent Event Type Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Event [Member] ASU 2016-02 [Member] Accounting Standards Update201602 [Member] New Accounting Pronouncements Or Change In Accounting Principle [Line Items] New Accounting Pronouncements Or Change In Accounting Principle [Line Items] Business combination loans acquired Business Combination Loans Acquired Allowance for acquired loans Allowance For Loan Losses Acquired Loans Operating lease, right-of-use asset Operating Lease Right Of Use Asset Operating lease, liability Operating Lease Liability Business combination recognized identifiable assets acquired and liabilities assumed loans and leases receivable net reported amount. Business combination recognized identifiable assets acquired and liabilities assumed securities. Business combination recognized identifiable assets acquired and liabilities assumed deposits. Business combination recognized identifiable assets acquired and liabilities assumed borrowings. Number of branches in which deposits held. Schedule Of Business Acquisitions By Acquisition [Table] Schedule Of Business Acquisitions By Acquisition [Table] Clifton Bancorp Inc. [Member] Restatement Restatement [Axis] Restatement Restatement [Domain] As Recorded by Clifton [Member] Scenario Previously Reported [Member] Finite-Lived Intangible Assets by Major Class Finite Lived Intangible Assets By Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name Finite Lived Intangible Assets Major Class Name [Domain] Core Deposit [Member] Core Deposits [Member] Building [Member] Building [Member] Improvements and Equipment. Improvements and Equipment [Member] Improvements And Equipment [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Closing date Business Acquisition Effective Date Of Acquisition1 Total assets Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Assets Net loans receivable Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Loans And Leases Receivable Net Reported Amount Securities Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Securities Total liabilities Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Liabilities Deposits Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Deposits Borrowings Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Borrowings Number of branches in which deposits held Number Of Branches In Which Deposits Held Business acquisition equity interests issued or issuable for each shares exchanged. Stockholders’ equity Outstanding shares of Clifton common stock exchanged for shares of Company common stock Business Acquisition Equity Interests Issued Or Issuable For Each Shares Exchanged Issuance of shares of common stock to Clifton stockholders in conjunction with merger Business Acquisition Equity Interests Issued Or Issuable Number Of Shares Issued Core deposit intangible The amount of investment securities recognized as of the acquisition date. Business combination recognized identifiable assets acquired and liabilities assumed loans receivable. Business combination recognized identifiable assets acquired and liabilities assumed allowance for loan losses. Business combination recognized identifiable assets acquired and liabilities assumed premises and equipment. Business combination recognized identifiable assets acquired and liabilities assumed federal home loan bank stock. Business combination recognized identifiable assets acquired and liabilities assumed accrued interest receivable. Business combination recognized identifiable assets acquired and liabilities assumed bank owned life insurance. Business combination recognized identifiable assets acquired and liabilities assumed core deposit and other intangibles. Business combination recognized identifiable assets acquired and liabilities assumed other real estate owned. Business combination recognized identifiable assets acquired and liabilities assumed other assets. Business combination recognized identifiable assets acquired and liabilities assumed federal home loan bank borrowings. Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Advance Payments by Borrowers for Taxes and Insurance Fair Value Adjustments [Member] Restatement Adjustment [Member] Cash and cash equivalents Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Cash And Equivalents Investment securities Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Investment Securities Loans receivable Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Loans Receivable Allowance for loan losses Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Allowance For Loan Losses Premises and equipment Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Premises And Equipment FHLB stock Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Federal Home Loan Bank Stock Accrued interest receivable Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Accrued Interest Receivable Bank owned life insurance Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Bank Owned Life Insurance Deferred income taxes, net Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Deferred Tax Assets Core deposit and other intangibles Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Core Deposit And Other Intangibles Other real estate owned Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Other Real Estate Owned Other assets Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Other Assets Total assets acquired FHLB borrowings Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Federal Home Loan Bank Borrowings Advance payments by borrowers for taxes Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Advance Payments By Borrowers For Taxes And Insurance Other liabilities Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Liabilities Total liabilities assumed Net assets acquired Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Net Purchase price Business Combination Consideration Transferred1 Goodwill recorded in Merger Goodwill Acquired During Period Intangible asset, estimated useful life Finite Lived Intangible Asset Useful Life Assets, estimated useful life Business acquisitions pro forma interest income expense net. Business acquisitions pro forma non interest income. Business acquisitions pro forma non interest expense. Business acquisition pro forma income (loss) from continuing operations. Business Acquisition Pro Forma Information Nonrecurring Adjustments [Table] Business Acquisition Pro Forma Information Nonrecurring Adjustments [Table] Business Acquisition Pro Forma Information Nonrecurring Adjustment [Line Items] Business Acquisition Pro Forma Information Nonrecurring Adjustment [Line Items] Net interest income Business Acquisitions Pro Forma Interest Income Expense Net Non-interest income Business Acquisitions Pro Forma Non Interest Income Non-interest expense Business Acquisitions Pro Forma Non Interest Expense Net income available to common stockholders Business Acquisitions Pro Forma Net Income Loss Pro forma earnings per common share from continuing operations: Business Acquisition Pro Forma Income Loss From Continuing Operations [Abstract] Basic Business Acquisition Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax Per Share Basic Diluted Business Acquisition Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax Per Share Diluted Financial Instrument Financial Instrument [Axis] Financial Instruments Transfers And Servicing Of Financial Instruments Types Of Financial Instruments [Domain] Debt Securities [Member] Debt Securities [Member] Schedule of Financial Instruments Subject to Mandatory Redemption by Settlement Terms Schedule Of Shares Subject To Mandatory Redemption By Settlement Terms [Axis] Financial Instruments Subject to Mandatory Redemption, Financial Instrument Shares Subject To Mandatory Redemption Financial Instrument [Domain] Trust Preferred Securities [Member] Trust Preferred Securities Subject To Mandatory Redemption [Member] Investment Type Investment Type [Axis] Investments Investment Type Categorization [Member] U.S. Agency Securities [Member] U S Government Agencies Debt Securities [Member] Obligations of State and Political Subdivisions [Member] U S States And Political Subdivisions [Member] Asset-backed Securities [Member] Asset Backed Securities [Member] Collateralized Loan Obligations [Member] Collateralized Debt Obligations [Member] Corporate Bonds [Member] Corporate Debt Securities [Member] Collateralized mortgage obligations excluding pass through securities. Collateralized Mortgage Obligations Excluding Pass Through Securities [Member] Collateralized Mortgage Obligations Excluding Pass Through Securities [Member] Residential Pass-Through Securities [Member] Residential Mortgage Backed Securities [Member] Commercial Pass-Through Securities [Member] Commercial Mortgage Backed Securities [Member] Mortgage-Backed Securities [Member] Mortgage Backed Securities [Member] Securities available for sale, Amortized Cost Available For Sale Debt Securities Amortized Cost Basis Securities available for sale, Gross Unrealized Gains Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax Securities available for sale, Gross Unrealized Losses Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax Securities available for sale, Fair value Available For Sale Securities Debt Securities Securities available for sale, Amortized Cost Available For Sale Securities Amortized Cost Mortgage-backed securities, Gross Unrealized Gains Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax Mortgage-backed securities, Gross Unrealized Losses Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax Due in one year or less, Amortized Cost Available For Sale Securities Debt Maturities Within One Year Amortized Cost Due after one year through five years, Amortized Cost Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost Due after five years through ten years, Amortized Cost Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost Due after ten years, Amortized Cost Available For Sale Securities Debt Maturities After Ten Years Amortized Cost Due in one year or less, Fair Value Available For Sale Securities Debt Maturities Within One Year Fair Value Due after one year through five years, Fair Value Available For Sale Securities Debt Maturities After One Through Five Years Fair Value Due after five years through ten years, Fair Value Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value Due after ten years, Fair Value Available For Sale Securities Debt Maturities After Ten Years Fair Value Fair Value Proceeds from sales of securities Gross realized gains Debt Securities Available For Sale Realized Gain Gross realized losses Debt Securities Available For Sale Realized Loss Net loss on sales of securities Debt Securities Available For Sale Realized Gain Loss Secure public funds on deposit. Secure Public Funds On Deposit [Member] Secure Public Funds On Deposit [Member] Federal Reserve Bank. Federal Reserve ("FRB") [Member] Federal Reserve Bank [Member] Depositor sweep accounts. Depositor Sweep Accounts [Member] Depositor Sweep Accounts [Member] Federal Home Loan Bank Branch Federal Home Loan Bank Advances Branch Of F H L B Bank [Axis] Federal Home Loan Bank Branch Federal Home Loan Bank Advances Branch Of F H L B Bank State [Domain] FHLB of New York [Member] Federal Home Loan Bank Of New York [Member] Available for sale securities pledged Pledged Financial Instruments Not Separately Reported Securities Pledged Non-agency securities. Non-agency securities [Member] Non Agency Securities [Member] Subordinated Debt [Member] Subordinated Debt [Member] Amortized Cost Held To Maturity Securities Debt Maturities Single Maturity Date Amortized Cost Basis Gross Unrecognized Gains Held To Maturity Securities Accumulated Unrecognized Holding Gain Gross Unrecognized Losses Held To Maturity Securities Accumulated Unrecognized Holding Loss Fair Value Held To Maturity Securities Debt Maturities Single Maturity Date Fair Value Amortized Cost Not Found During Migration Deprecated Concept Major Types Of Debt And Equity Securities Not Found During Migration Deprecated Concept Major Types Of Debt And Equity Securities [Axis] Not Found During Migration Deprecated Concept Major Types Of Debt And Equity Securities Not Found During Migration Deprecated Concept Major Types Of Debt And Equity Securities [Domain] Due in one year or less, Amortized Cost Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount Due after one year through five years, Amortized Cost Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount Due after five years through ten years, Amortized Cost Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount Due after ten years, Amortized Cost Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount Due in one year or less, Fair Value Held To Maturity Securities Debt Maturities Within One Year Fair Value Due after one year through five years, Fair Value Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value Due after five years through ten years, Fair Value Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value Due after ten years, Fair Value Held To Maturity Securities Debt Maturities After Ten Years Fair Value Held-to-maturity Securities, Fair Value Total Held to maturity securities gross realized gains. Held to maturity securities gross realized losses. Held to maturity securities sold: Proceeds From Sale And Maturity Of Held To Maturity Securities [Abstract] Proceeds from sales and calls of securities Gross realized gains Held To Maturity Securities Gross Realized Gains Gross realized losses Held To Maturity Securities Gross Realized Losses Net (loss) gain on sales of securities Held To Maturity Securities Sold Security Realized Gain Loss Sales of security, held to maturity Proceeds From Sale And Maturity Of Held To Maturity Securities Held to maturity securities pledged Availabe for sale securities, number of securities. Less than 12 Months: Fair Value Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Less than 12 Months: Unrealized Losses Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss 12 Months or More: Fair Value Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer 12 Months or More: Unrealized Losses Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss Number of Securities Available For Sale Securities Number Of Securities Total: Fair Value Debt Securities Available For Sale Unrealized Loss Position Total: Unrealized Losses Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss Held to maturity number of securities. Less than 12 Months: Fair Value Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value Less than 12 Months: Unrecognized Losses Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss 12 Months or More: Fair Value Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value 12 Months or More: Unrecognized Losses Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss Number of Securities Held To Maturity Number Of Securities Total: Fair Value Held To Maturity Securities Continuous Unrealized Loss Position Fair Value Total: Unrecognized Losses Schedule Of Accounts Notes Loans And Financing Receivable [Table] Schedule Of Accounts Notes Loans And Financing Receivable [Table] Financing Receivable Portfolio Segment Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment Financing Receivable Portfolio Segment [Domain] Commercial Mortgage [Member] Commercial Real Estate Portfolio Segment [Member] Construction reportable portfolio segment. Construction [Member] Construction Reportable Portfolio Segment [Member] Commercial Business [Member] Commercial Portfolio Segment [Member] Home equity loans and lines of credit. Home Equity Loans and Lines of Credit [Member] Home Equity Loans And Lines Of Credit [Member] Real Estate, Type of Property Mortgage Loans On Real Estate Description Type Of Property [Axis] Real Estate Mortgage Loans On Real Estate Name Property Type [Domain] Multi-Family Mortgage [Member] Multifamily [Member] Class of Financing Receivable, Type Financing Receivable Recorded Investment By Class Of Financing Receivable [Axis] Class of Financing Receivable, Type Financing Receivable Recorded Investment Class Of Financing Receivable [Domain] One to four family residential. One- to Four-Family Residential [Member] One To Four Family Residential [Member] Represents the portfolio segment of the company's total financing receivables related to nonresidential. Nonresidential [Member] Non Residential [Member] Passbook or certificate. Passbook or Certificate [Member] Passbook Or Certificate [Member] Other consumer loans. Other Consumer Loans [Member] Other Consumer Loans [Member] Consumer segment. Consumer [Member] Consumer Segment [Member] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts Notes And Loans Receivable [Line Items] Loans and Leases Receivable, Gross Loans And Leases Receivable Gross Carrying Amount Unaccreted yield adjustments including net premiums and discounts on purchased and acquired loans and net deferred fees and costs on loans originated Loans And Leases Receivable Deferred Income Total loans receivable, net of yield adjustments Number of new loans to related parties. Loans And Leases Receivable Disclosure [Abstract] Loans and leases receivable, related parties Loans And Leases Receivable Related Parties Number of new loans to related parties Number Of New Loans To Related Parties Loans and leases receivable, related parties, additions Loans And Leases Receivable Related Parties Additions Mortgage loans in process of foreclosure, number of loans. Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Table] Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Table] Residential Mortgage [Member] Residential Portfolio Segment [Member] Real Estate Acquired in Satisfaction of Debt [Member] Real Estate Acquired In Satisfaction Of Debt [Member] Single-family Property [Member] Single Family [Member] Financing Receivable Recorded Investment [Line Items] Financing Receivable Recorded Investment [Line Items] Number of properties held Number Of Real Estate Properties Aggregate carrying value of real estate owned Real Estate Acquired Through Foreclosure Number of loans in process of foreclosure Mortgage Loans In Process Of Foreclosure Number Of Loans Mortgage loans in process of foreclosure, carrying value Mortgage Loans In Process Of Foreclosure Amount Schedule Of Financing Receivable Allowance For Credit Losses [Table] Schedule Of Financing Receivable Allowance For Credit Losses [Table] Home Equity Loans [Member] Home Equity Loan [Member] Credit Loss Status Credit Loss Status [Axis] Credit Loss Status Credit Loss Status [Domain] Receivables Acquired with Deteriorated Credit Quality [Member] Financial Asset Acquired With Credit Deterioration [Member] Multi-Family Mortgage [Member] Non residential mortgage. Non-Residential Mortgage [Member] Non Residential Mortgage [Member] Other Consumer [Member] Consumer Portfolio Segment [Member] Financing Receivable, Allowance for Credit Losses [Line Items] Financing Receivable Allowance For Credit Losses [Line Items] Loans acquired with deteriorated credit quality Financing Receivable Allowance For Credit Losses Allowance Allowance, Loans individually evaluated for impairment Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 Allowance, Loans collectively evaluated for impairment Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment Allowance Loans acquired with deteriorated credit quality Notes Receivable Net Loans individually evaluated for impairment Financing Receivable Individually Evaluated For Impairment Loans collectively evaluated for impairment Financing Receivable Collectively Evaluated For Impairment Loans and Leases Receivable, Gross Loans receivable Provision (reversal) for loan and lease losses. Total charge offs Financing Receivable Allowance For Credit Losses Write Offs Total recoveries Financing Receivable Allowance For Credit Losses Recovery Total provision (reversal) for Loan Losses Provision Reversal For Loan And Lease Losses Internal Credit Assessment Internal Credit Assessment [Axis] Internal Credit Assessment Internal Credit Assessment [Domain] Non-Classified [Member] Pass [Member] Special Mention [Member] Special Mention [Member] Substandard [Member] Substandard [Member] Doubtful [Member] Doubtful [Member] Loss [Member] Unlikely To Be Collected Financing Receivable [Member] Classified. Total Classified Loans [Member] Classified [Member] Schedule Of Financing Receivables Past Due [Table] Schedule Of Financing Receivables Past Due [Table] Financing Receivables, Period Past Due Financing Receivables Period Past Due [Axis] Financing Receivables, Period Past Due Financing Receivables Period Past Due [Domain] Past due: 30-59 days [Member] Financing Receivables30 To59 Days Past Due [Member] Past due: 60-89 days [Member] Financing Receivables60 To89 Days Past Due [Member] Past due: 90 days and over [Member] Financing Receivables Equal To Greater Than90 Days Past Due [Member] Financing Receivable, Recorded Investment, Past Due [Line Items] Financing Receivable Recorded Investment Past Due [Line Items] Current Financing Receivable Recorded Investment Current Total past due Financing Receivable Recorded Investment Past Due Financial Instrument Performance Status Financial Instrument Performance Status [Axis] Financial Instrument Performance Status Financial Instrument Performance Status [Domain] Performing Financing Receivable [Member] Performing Financing Receivable [Member] Nonperforming Financing Receivable [Member] Nonperforming Financing Receivable [Member] 90 days and over past due accruing Financing Receivable Recorded Investment90 Days Past Due And Still Accruing Nonaccrual Financing Receivable Recorded Investment Nonaccrual Status Total nonperforming Loans And Leases Receivable Impaired Nonperforming Nonaccrual Of Interest Impaired (recovered) financing receivables with related allowance recorded investment. Non-impaired loans Impaired loans with no allowance for impairment Impaired Financing Receivable With No Related Allowance Recorded Investment Recorded investment Impaired Financing Receivable With Related Allowance Recorded Investment Allowance for impairment Impaired Financing Receivable Related Allowance Balance of impaired loans net of allowance for impairment Impaired Recovered Financing Receivables With Related Allowance Recorded Investment Total impaired loans, excluding allowance for impairment: Impaired Financing Receivable Recorded Investment Unpaid principal balance of impaired loans Impaired Financing Receivable Unpaid Principal Balance Average balance of impaired loans Impaired Financing Receivable Average Recorded Investment Interest earned on impaired loans Impaired Financing Receivable Interest Income Accrual Method Schedule Of Financing Receivable Troubled Debt Restructurings [Table] Schedule Of Financing Receivable Troubled Debt Restructurings [Table] Financing Receivable Modifications [Line Items] Financing Receivable Modifications [Line Items] Number of loans Financing Receivable Modifications Number Of Contracts2 Pre-modification outstanding recorded investment Financing Receivable Modifications Pre Modification Recorded Investment2 Post-modification outstanding recorded investment Financing Receivable Modifications Post Modification Recorded Investment2 Reserves included in and charge offs against the allowance for loan loss recognized at modification Financing Receivables Impaired Troubled Debt Restructuring Write Down Number of loans Financing Receivable Modifications Subsequent Default Number Of Contracts1 Outstanding recorded investment Financing Receivable Modifications Subsequent Default Recorded Investment1 Land [Member] Land [Member] Construction in Progress [Member] Construction In Progress [Member] Property, Plant and Equipment, Gross Property Plant And Equipment Gross Less accumulated depreciation and amortization Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Total premises and equipment Depreciation expense on premises and equipment Goodwill Acquisition of Clifton Bancorp Inc. Goodwill Core Deposit Intangibles, Balance Acquisition of Clifton Bancorp Inc. Finitelived Intangible Assets Acquired1 Amortization Core Deposit Intangibles, Balance 2020 Finite Lived Intangible Assets Amortization Expense Next Twelve Months 2021 Finite Lived Intangible Assets Amortization Expense Year Two 2022 Finite Lived Intangible Assets Amortization Expense Year Three 2023 Finite Lived Intangible Assets Amortization Expense Year Four 2024 Finite Lived Intangible Assets Amortization Expense Year Five Thereafter Finite Lived Intangible Assets Amortization Expense After Year Five Deposits [Abstract] Non-interest bearing demand: Amount Interest-bearing demand: Amount Interest Bearing Domestic Deposit Demand Savings and club: Amount Deposits Savings Deposits Certificates of deposit: Amount Time Deposits Weighted average rate domestic deposit non interest bearing demand. Non-interest-bearing demand, Weighted Average Interest Rate Weighted Average Rate Domestic Deposit Noninterest Bearing Demand Interest-bearing demand, Weighted Average Interest Rate Weighted Average Rate Domestic Deposit Demand Savings and club, Weighted Average Interest Rate Weighted Average Rate Domestic Deposit Savings Certificates of deposit, Weighted Average Interest Rate Weighted Average Rate Domestic Deposit Certificates Of Deposit Total deposits, Weighted Average Interest Rate Weighted Average Rate Domestic Deposit Certificates of deposit brokered. Total, brokered deposits. Interest-bearing demand Interest Bearing Domestic Deposit Brokered Certificates of deposits Certificates Of Deposit Brokered Total brokered deposits Brokered Deposits Brokered certificates deposits weighted average rate. Brokered deposits weighted average rate. Interest-bearing demand Weighted Average Rate Domestic Deposit Brokered Certificates of deposits Brokered Certificates Deposits Weighted Average Rate Total brokered deposits Brokered Deposits Weighted Average Rate One year or less Time Deposit Maturities Year One After one year to two years Time Deposit Maturities Year Two After two years to three years Time Deposit Maturities Year Three After three years to four years Time Deposit Maturities Year Four After four years to five years Time Deposit Maturities Year Five After five years Time Deposit Maturities After Year Five Total certificates of deposit Time Deposits, $250,000 or More Time Deposits100000 Or More Federal home loan bank advances unamortized fair value adjustments. Federal home loan bank advances after fair value adjustments. Debt Instrument [Table] Debt Instrument [Table] Weighted Average [Member] Weighted Average [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Federal Home Loan Bank, Advances, Balance, Less than one year Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date Federal Home Loan Bank, Advances, Balance Due in One to two years Federal Home Loan Bank Advances Maturities Summary Due From One To Two Years Of Balance Sheet Date Federal Home Loan Bank, Advances, Balance Due in two to three years Federal Home Loan Bank Advances Maturities Summary Due From Two To Three Years Of Balance Sheet Date Federal Home Loan Bank, Advances, Balance Due in three to four years Federal Home Loan Bank Advances Maturities Summary Due From Three To Four Years Of Balance Sheet Date Federal Home Loan Bank, Advances, Balance Due in four to five years Federal Home Loan Bank Advances Maturities Summary Due From Four To Five Years Of Balance Sheet Date Federal Home Loan Bank, Advances, Balance greater than five years Federal Home Loan Bank Advances Maturities Summary Due After Five Years Of Balance Sheet Date Federal Home Loan Bank, Advances, Total Advances From Federal Home Loan Banks Federal Home Loan Bank, Advances, Unamortized Fair Value Adjustments Federal Home Loan Bank Advances Unamortized Fair Value Adjustments Total Federal Home Loan Bank, Advances, After Fair Value Adjustments Federal Home Loan Bank Advances After Fair Value Adjustments Federal Home Loan Bank, Advances, Weighted Average Interest Rate, Due in less than one year Federal Home Loan Bank Advances Maturities Summary Average Interest Rate Of Amounts Due Within One Year Of Balance Sheet Date Federal Home Loan Bank, Advances, Weighted Average Interest Rate, Due in one to two years Federal Home Loan Bank Advances Maturities Summary Average Interest Rate One To Two Years From Balance Sheet Date Federal Home Loan Bank, Advances, Weighted Average Interest Rate, Due in two to three years Federal Home Loan Bank Advances Maturities Summary Average Interest Rate Two To Three Years From Balance Sheet Date Federal Home Loan Bank, Advances, Weighted Average Interest Rate, Due in three to four years Federal Home Loan Bank Advances Maturities Summary Average Interest Rate Three To Four Years From Balance Sheet Date Federal Home Loan Bank, Advances, Weighted Average Interest Rate, Due in four to five years Federal Home Loan Bank Advances Maturities Summary Average Interest Rate Four To Five Years From Balance Sheet Date Federal Home Loan Bank, Advances, Weighted Average Interest Rate, Due in greater than five years Federal Home Loan Bank Advances Maturities Summary Average Interest Rate After Five Years From Balance Sheet Date Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Weighted Average Interest Rate Federal Home Loan Bank Advances General Debt Obligations Disclosures Interest Rate At Period End Asset Class Fair Value By Asset Class [Axis] Asset Class Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation By Asset Class [Domain] Investment in Federal Home Loan Bank Stock [Member] Investment In Federal Home Loan Bank Stock [Member] Federal Home Loan Bank, advances, general debt obligations, disclosures, collateral pledged Federal Home Loan Bank Advances General Debt Obligations Disclosures Collateral Pledged1 Borrowings for liquidity management purposes. Other borrowings, sweep accounts Other Short Term Borrowings Borrowings for liquidity management purposes Borrowings For Liquidity Management Purposes Derivative [Table] Derivative [Table] Derivative Instrument Derivative Instrument Risk [Axis] Derivative Contract Derivative Contract Type [Domain] Interest Rate Swaps [Member] Interest Rate Swap [Member] Hedging Designation Hedging Designation [Axis] Hedging Designation Hedging Designation [Domain] Derivatives Designated as Hedging Instruments [Member] Designated As Hedging Instrument [Member] Balance Sheet Location Balance Sheet Location [Axis] Balance Sheet Location Balance Sheet Location [Domain] Other Assets [Member] Other Assets [Member] Other Liabilities [Member] Other Liabilities [Member] Derivative [Line Items] Derivative [Line Items] Fair Value Derivative Fair Value Of Derivative Net Hedging Relationship Derivative Instruments Gain Loss By Hedging Relationship [Axis] Hedging Relationship Hedging Relationship [Domain] Cash Flow Hedges [Member] Cash Flow Hedging [Member] Income Statement Location Income Statement Location [Axis] Income Statement Location Income Statement Location [Domain] Interest Expense [Member] Interest Expense [Member] Counterparty Name Counterparty Name [Axis] Counterparty Name Repurchase Agreement Counterparty Name [Domain] Counter party. Counter Party [Member] Counter Party [Member] Loan Origination Commitments [Member] Loan Origination Commitments [Member] Number of interest rate derivative instruments held Number Of Interest Rate Derivatives Held Derivative, notional amount Derivative Notional Amount Reclassifications to interest expense Derivative Instruments Gain Loss Reclassified From Accumulated O C I Into Income Effective Portion Net Estimated cash flow hedge gain (loss) to be reclassified in next twelve months Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months Derivatives in Cash Flow Hedging Relationships [Member] Interest Rate Caps [Member] Interest Rate Cap [Member] Amount of Gain (Loss) Recognized in OCI on Derivatives Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax Amount of Gain (Loss) Reclassified from Accumulated OCI into Income Derivative asset fair value offset against collateral net of not subject to master netting arrangement policy election net amount. Gross Amount Recognized, Assets Derivative Fair Value Of Derivative Asset Gross Amounts Offset, Assets Derivative Asset Fair Value Gross Liability Net Amounts Presented, Assets Derivative Assets Gross Amounts Not Offset, Financial Instruments, Assets Derivative Asset Not Offset Policy Election Deduction Gross Amounts Not Offset, Cash Collateral Received, Assets Derivative Collateral Obligation To Return Cash Net Amount, Assets Derivative Asset Fair Value Offset Against Collateral Net Of Not Subject To Master Netting Arrangement Policy Election Net Amount Gross Amount Recognized, Liabilities Derivative Fair Value Of Derivative Liability Gross Amounts Offset, Liabilities Derivative Liability Fair Value Gross Asset Net Amounts Presented, Liabilities Derivative Liabilities Gross Amounts Not Offset, Financial Instruments, Liabilities Derivative Liability Not Offset Policy Election Deduction Gross Amounts Not Offset, Cash Collateral Posted, Liabilities Derivative Collateral Right To Reclaim Cash Net Amount, Liabilities Derivative Liability Fair Value Offset Against Collateral Net Of Not Subject To Master Netting Arrangement Policy Election Financial collateral received under the enforceable master netting arrangement Derivative Asset Collateral Obligation To Return Cash Offset Pipeline of loans held-for-sale Principal Amount Outstanding On Loans Held For Sale Or Securitization Defined Benefit Plans And Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans And Other Postretirement Benefit Plans Disclosures [Table] Retirement Plan Type Retirement Plan Type [Axis] Retirement Plan Type Retirement Plan Type [Domain] Benefit Equalization Plan, Postretirement Welfare Plan, Directors Consultation and Retirement Plan and Atlas Bank Retirement Income Plan [Member] Supplemental Employee Retirement Plan Defined Benefit [Member] Salaries and employee benefits. Salaries and Employee Benefits [Member] Salaries And Employee Benefits [Member] Miscellaneous non interest expense. Miscellaneous Non Interest Expense [Member] Miscellaneous Non Interest Expense [Member] Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items] Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items] Service cost Defined Benefit Plan Service Cost Interest cost Defined Benefit Plan Interest Cost Amortization of unrecognized loss Defined Benefit Plan Amortization Of Gains Losses Expected return on assets Defined Benefit Plan Expected Return On Plan Assets Net periodic benefit cost Defined Benefit Plan Net Periodic Benefit Cost Miscellaneous non interest expense. As Previously Reported [Member] As Reported Under the New Guidance [Member] Accounting Standards Update201707 [Member] Miscellaneous non-interest expense: Miscellaneous Non Interest Expense [Abstract] Salaries and employee benefits: General And Administrative Expense [Abstract] Employee stock ownership plan ESOP debt maturity date. Employee stock ownership plan ESOP interest rate. Employee stock ownership plan ESOP debt structure employer loan amount. Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] Debt Conversion Description Debt Conversion By Unique Description [Axis] Debt Conversion, Name Debt Conversion Name [Domain] First step conversion and stock offering. First Step Conversion and Stock Offering [Member] First Step Conversion And Stock Offering [Member] Second step conversion and stock offering. Second Step Conversion and Stock Offering [Member] Second Step Conversion And Stock Offering [Member] Retirement Plan Name Retirement Plan Name [Axis] Retirement Plan Name Retirement Plan Name [Domain] Employees Savings and Profit Sharing Plan [Member] Employees’ Savings and Profit Sharing Plan [Member] Employees Savings And Profit Sharing Plan [Member] Multiemployer Plan Type Multiemployer Plan Type [Axis] Multiemployer Plans Type Multiemployer Plans Type [Domain] Multiemployer Plans, Postretirement Benefit [Member] Multiemployer Plans Postretirement Benefit [Member] Two thousand sixteen equity incentive plan. 2016 Equity Incentive Plan [Member] Two Thousand Sixteen Equity Incentive Plan [Member] Title of Individual Title Of Individual [Axis] Relationship to Entity Title Of Individual With Relationship To Entity [Domain] Directors and certain officers. Directors And Certain Officers [Member] Directors And Certain Officers [Member] Award Type Award Type [Axis] Equity Award Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Employee Stock Option [Member] Employee Stock Option [Member] Restricted Stock [Member] Restricted Stock [Member] Performance-based stock awards. Performance Based Stock Awards [Member] Performance Based Stock Awards [Member] Service-based stock awards. Service Based Stock Awards [Member] Service Based Stock Awards [Member] Stock Compensation Plan [Member] Stock Compensation Plan [Member] Vesting Vesting [Axis] Vesting Vesting [Domain] Vesting contingent on performance and service conditions. Vesting Contingent on Performance and Service Conditions [Member] Vesting Contingent On Performance And Service Conditions [Member] Employer Loan to ESOP Employee Stock Ownership Plan E S O P Debt Structure Employer Loan Amount Unearned Employee Stock Ownership Plan shares Employee Stock Ownership Plan E S O P Shares In E S O P ESOP Loan - Maturity Date Employee Stock Ownership Plan E S O P Debt Maturity Date ESOP Loan - Interest Rate Employee Stock Ownership Plan E S O P Interest Rate Employee stock ownership plan ESOP debt maturity period. Employee stock ownership plan ESOP debt additional loan amount. Employee stock ownership plan ESOP debt principle balance. Employer Additional Loan to ESOP Employee Stock Ownership Plan E S O P Debt Additional Loan Amount ESOP Loan - Principal Balance Employee Stock Ownership Plan E S O P Debt Principle Balance ESOP Loan - Maturity Period Employee Stock Ownership Plan E S O P Debt Maturity Period Employee Stock Ownership Plan (ESOP), Shares Released On A Monthly Basis ESOP Shares Released on a Monthly Basis Employee Stock Ownership Plan Esop Shares Released On Monthly Basis ESOP Compensation Expense Employee Stock Ownership Plan E S O P Compensation Expense Employee Stock Ownership Plan (ESOP), Distribution of Shares Allocated shares Employee Stock Ownership Plan E S O P Number Of Allocated Shares Total shares distributed to employees Employee Stock Ownership Plan Esop Distribution Of Shares Shares committed to be released Employee Stock Ownership Plan E S O P Number Of Committed To Be Released Shares Unearned shares Total ESOP shares Fair value of unearned ESOP shares Employee Stock Ownership Plan E S O P Deferred Shares Fair Value Employee Stock Ownership Plan (ESOP), Liability ESOP Liability Employee Stock Ownership Plan Esop Liability Maximum Annual Contribution Per Employee Defined Contribution Plan Maximum Annual Contributions Per Employee Percent Employer Matching Contribution Defined Contribution Plan Employer Matching Contribution Percent Defined Contribution Plan, eligible employee contribution Defined Contribution Plan Employer Matching Contribution Percent Of Match Defined Contribution Plan, Cost Recognized Defined Contribution Plan Cost Recognized Multiemployer Plan Number Multiemployer Plan Number Multiemployer plans plan contribution percent. Multiemployer plans plan expenses. Defined Benefit Plan, Funded Percentage Defined Benefit Plan Funded Percentage Multiemployer Plans, Plan Contributions Multiemployer Plans Plan Contributions1 Percent of Total Plan Contributions Multiemployer Plans Plan Contribution Percent Multiemployer Plans, Plan Expenses Multiemployer Plans Plan Expenses Change in benefit obligation: Defined Benefit Plan Change In Benefit Obligation Roll Forward Projected benefit obligation - beginning Defined Benefit Plan Benefit Obligation Actuarial loss (gain) Defined Benefit Plan Actuarial Gain Loss Benefit payments Defined Benefit Plan Benefit Obligation Benefits Paid Plan amendments Defined Benefit Plan Plan Amendments Curtailment due to plan freeze Defined Benefit Plan Curtailments Projected benefit obligation - ending Change in plan assets: Defined Benefit Plan Change In Fair Value Of Plan Assets Roll Forward Fair value of assets - beginning Defined Benefit Plan Fair Value Of Plan Assets Actual return on assets Defined Benefit Plan Actual Return On Plan Assets Benefit payments Defined Benefit Plan Plan Assets Benefits Paid Fair value of assets - ending Reconciliation of funded status: Defined Benefit Plan Funded Status Of Plan [Abstract] Projected benefit obligation Funded status included in other assets / liabilities Defined Benefit Plan Funded Status Of Plan Accumulated benefit obligation Defined Benefit Plan Accumulated Benefit Obligation Discount rate Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate Salary increase rate Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Rate Of Compensation Increase Expected return on assets Amortization of net actuarial (gain) loss Amortization of past service liability Defined Benefit Plan Amortization Of Prior Service Cost Credit Curtailment credit Defined Benefit Plan Recognized Net Gain Loss Due To Curtailments Discount rate Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate Long term rate of return on plan assets Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets Defined Benefit Plan Expected Future Contribution Next Twelve Months Defined Benefit Plan Expected Future Employer Contributions Next Fiscal Year 2020 Defined Benefit Plan Expected Future Benefit Payments Next Twelve Months 2021 Defined Benefit Plan Expected Future Benefit Payments Year Two 2022 Defined Benefit Plan Expected Future Benefit Payments Year Three 2023 Defined Benefit Plan Expected Future Benefit Payments Year Four 2024 Defined Benefit Plan Expected Future Benefit Payments Year Five 2025-2029 Defined Benefit Plan Expected Future Benefit Payments Five Fiscal Years Thereafter Defined Benefit Plan, Accumulated Other Comprehensive Income Net (Losses) Gains, after Tax Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses After Tax Defined benefit plan, future amortization of gain (loss) Defined Benefit Plan Expected Amortization Of Gain Loss Next Fiscal Year Defined Benefit Pension Plans And Defined Benefit Postretirement Plans Disclosure [Abstract] Schedule Of Defined Benefit Plans Disclosures [Table] Schedule Of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan, Plan Assets, Category Defined Benefit Plan By Plan Asset Categories [Axis] Defined Benefit Plan, Plan Assets, Category Plan Asset Categories [Domain] Prudential guaranteed deposit fund. Prudential Guaranteed Deposit Fund [Member] Prudential Guaranteed Deposit Fund [Member] Fair Value Hierarchy and NAV Fair Value By Fair Value Hierarchy Level [Axis] Fair Value Hierarchy and NAV Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value, Inputs, Level 1 [Member] Fair Value Inputs Level1 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value Inputs Level2 [Member] Fair Value, Inputs, Level 3 [Member] Fair Value Inputs Level3 [Member] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Prudential Guaranteed Deposit Fund Defined Benefit Plan, Benefits Paid Defined Benefit Plan, Contributions by Employer Defined Benefit Plan Contributions By Employer Contributions Salary increase rate Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Rate Of Compensation Increase Defined benefit plan, expected future benefit payments, next twelve months Share-based Payment Award, Number of Shares Authorized Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized Share-based Payment Award, Number of Shares Available for Grant Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross Share-based Payment Award, Number of Shares Available for Grant Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant Share-based Payment Award, Award Vesting Period Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Sharebased Compensation Arrangement By Sharebased Payment Award Expiration Period Weighted average fair value of options granted. Weighted average risk-free interest rate Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Expected dividend yield Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate Weighted average volatility factor of the expected market price of the Company's stock Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Volatility Rate Weighted average expected life of the options (in years) Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 Weighted average fair value of options granted Weighted Average Fair Value Of Options Granted Percentage of net income for dividend payout ratio. Percentage of net income for dividend payout ratio Percentage Of Net Income For Dividend Payout Ratio Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Share-based Compensation Expense Allocated Share Based Compensation Expense Employee service share based compensation tax benefit expense from compensation expense. Tax Benefit (Expense) from Compensation Expense Employee Service Share Based Compensation Tax Benefit Expense From Compensation Expense Tax Benefit from Compensation Expense Employee Service Share Based Compensation Tax Benefit From Compensation Expense Beginning - Options Outstanding Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number Granted - Options Exercised - Options Forfeited - Options Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period Ending - Options Outstanding Exercisable - Options Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options Beginning - Weighted Average Exercise Price Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price Granted - Weighted Average Exercise Price Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price Exercised - Weighted Average Exercise Price Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price Forfeited - Weighted Average Exercise Price Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price Ending - Weighted Average Exercise Price Exercisable - Weighted Average Exercise Price Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 Share based compensation arrangement by share based payment award options granted weighted average remaining contractual term. Share based compensation arrangement by share based payment award options exercised weighted average remaining contractual term. Weighted Average Remaining Contractual Term Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 Granted - Weighted Average Remaining Contractual Term Sharebased Compensation Arrangement By Sharebased Payment Award Options Granted Weighted Average Remaining Contractual Term Exercised - Weighted Average Remaining Contractual Term Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercised Weighted Average Remaining Contractual Term Exercisable - Weighted Average Remaining Contractual Term Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Remaining Contractual Term2 Beginning - Options Outstanding - Aggregate Intrinsic Value Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value Ending - Options Outstanding - Aggregate Intrinsic Value Exercisable - Aggregate Intrinsic Value Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 Vested options exercised Vested options, aggregate intrinsic value Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Aggregate Intrinsic Value Share-based payment award, number of shares issued Share Based Compensation Arrangement By Share Based Payment Award Shares Issued In Period Cash proceeds from stock option Income tax benefit Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 Shares vesting service period conditioned upon performance targets. Shares vesting service period conditioned upon performance targets Shares Vesting Service Period Conditioned Upon Performance Targets Shares vesting service period expected to be determined on performance targets. Shares vesting service period over each of latter four years expected to be determined annually Shares Vesting Service Period Expected To Be Determined On Performance Targets Vesting contingent on service conditions. Vesting Contingent on Service Conditions [Member] Vesting Contingent On Service Conditions [Member] Beginning - Non-vested Restricted Shares Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number Granted - Non-vested Restricted Shares Vested - Non-vested Restricted Shares Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Forfeited - Non-vested Restricted Shares Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period Ending - Non-vested Restricted Shares Beginning - Non-vested Weighted Average Grant Date Fair Value Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value Granted - Non-vested Weighted Average Grant Date Fair Value Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value Vested - Non-vested Weighted Average Grant Date Fair Value Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value Forfeited - Non-vested Weighted Average Grant Date Fair Value Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value Ending - Non-vested Weighted Average Grant Date Fair Value Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Total Fair Value Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Bank capital contribution payment description. Percentage of dividends payable. Schedule Of Compliance With Regulatory Capital Requirements Under Banking Regulations [Table] Schedule Of Compliance With Regulatory Capital Requirements Under Banking Regulations [Table] Capital conservation buffer. Capital Conservation Buffer [Member] Capital Conservation Buffer [Member] Share Repurchase Program Share Repurchase Program [Axis] Share Repurchase Program Share Repurchase Program [Domain] Third share repurchase program, announced in April two thousand eighteen. Third Share Repurchase Plan, Announced in April 2018 [Member] Third Share Repurchase Program Announced In April Two Thousand Eighteen [Member] Fourth share repurchase program announced in march two thousand nineteen member. Four Share Repurchase Program, Announced in March 2019 [Member] Fourth Share Repurchase Program Announced In March Two Thousand Nineteen [Member] First share repurchase plan, announced in May two thousand sixteen. First Share Repurchase Plan Announced in May 2016 [Member] First Share Repurchase Plan Announced In May Two Thousand Sixteen [Member] Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items] Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items] Bank capital contribution payment description Bank Capital Contribution Payment Description Payments of capital distribution Payments Of Capital Distribution Percentage of dividends payable Percentage Of Dividends Payable Payments of dividends New common equity Tier 1 capital ratio Tier One Leverage Capital Required For Capital Adequacy To Average Assets Tier 1 capital ratio Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets Total capital ratio Capital Required For Capital Adequacy To Risk Weighted Assets Tier 1 leverage ratio Tangible Capital Required For Capital Adequacy To Tangible Assets New regulatory minimum capital ratios Excess Tier One Risk Based Capital To Risk Weighted Assets Capital to risk weighted assets Capital To Risk Weighted Assets Tangible equity capital to average total consolidated assets Minimum capital for leverage ratio. Maximum capital for leverage ratio. Capital level leverage ratio. Leverage ratio assets Tangible Equity Capital To Average Total Consolidated Assets Minimum capital for leverage ratio Minimum Capital For Leverage Ratio Maximum capital for leverage ratio Maximum Capital For Leverage Ratio Capital level proposed Capital Level Leverage Ratio Total capital (to risk-weighted assets), Actual, Amount Capital Tier 1 capital (to risk-weighted assets), Actual, Amount Tier One Risk Based Capital Core (Tier 1) capital (to adjusted total assets), Actual, Amount Tier One Leverage Capital Tangible capital (to adjusted total assets), Actual, Amount Tangible Capital Total capital (to risk-weighted assets), Actual, Ratio Tier 1 capital (to risk-weighted assets), Actual, Ratio Tier One Risk Based Capital To Risk Weighted Assets Core (Tier 1) capital (to adjusted total assets), Actual, Ratio Tier One Leverage Capital To Average Assets Tangible capital (to adjusted total assets), Actual, Ratio Tangible Capital To Tangible Assets Total capital (to risk-weighted assets), For Capital Adequacy Purposes, Amount Capital Required For Capital Adequacy Tier 1 capital (to risk-weighted assets), For Capital Adequacy Purposes, Amount Tier One Risk Based Capital Required For Capital Adequacy Core (Tier 1) capital (to adjusted total assets), For Capital Adequacy Purposes, Amount Tier One Leverage Capital Required For Capital Adequacy Tangible capital (to adjusted total assets), For Capital Adequacy Purposes, Amount Tangible Capital Required For Capital Adequacy Total capital (to risk-weighted assets), For Capital Adequacy Purposes, Ratio Tier 1 capital (to risk-weighted assets), For Capital Adequacy Purposes, Ratio Core (Tier 1) capital (to adjusted total assets), For Capital Adequacy Purposes, Ratio Tangible capital (to adjusted total assets), For Capital Adequacy Purposes, Ratio Tangible capital required to be well capitalized to adjusted net assets. Total capital (to risk-weighted assets), To be Well Capitalized under Prompt Corrective Action Provisions, Amount Capital Required To Be Well Capitalized Tier 1 capital (to risk-weighted assets), To be Well Capitalized under Prompt Corrective Action Provisions, Amount Tier One Risk Based Capital Required To Be Well Capitalized Core (Tier 1) capital (to adjusted total assets), To be Well Capitalized under Prompt Corrective Action Provisions, Amount Tier One Leverage Capital Required To Be Well Capitalized Tangible capital (to adjusted total assets), To be Well Capitalized under Prompt Corrective Action Provisions, Amount Tangible Capital Required To Be Well Capitalized To Adjusted Net Assets Percentage of tangible capital required to be well capitalized to adjusted net assets. Total capital (to risk-weighted assets), To be Well Capitalized under Prompt Corrective Action Provisions, Ratio Capital Required To Be Well Capitalized To Risk Weighted Assets Tier 1 capital (to risk-weighted assets), To be Well Capitalized under Prompt Corrective Action Provisions, Ratio Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets Core (Tier 1) capital (to adjusted total assets), To be Well Capitalized under Prompt Corrective Action Provisions, Ratio Tier One Leverage Capital Required To Be Well Capitalized To Average Assets Tangible capital (to adjusted total assets), To be Well Capitalized under Prompt Corrective Action Provisions, Ratio Percentage Of Tangible Capital Required To Be Well Capitalized To Adjusted Net Assets Stock repurchase program, shares authorized to repurchase as precentage of outstanding shares. Stock repurchased average cost per share. Shares repurchased during period Shares acquired and cancelled during period Stock Repurchased And Retired During Period Shares Share repurchase plan, number of shares authorized to repurchase Stock Repurchase Program Number Of Shares Authorized To Be Repurchased Share repurchase plan, shares authorized to repurchase as percentage of outstanding shares Stock Repurchase Program Shares Authorized To Repurchase As Percentage Of Outstanding Shares Shares repurchased during period, value Shares repurchased average cost per share Stock Repurchased Average Cost Per Share Income tax disclosure. Income tax disclosure. Income Tax Disclosure [Table] Income Tax Disclosure [Table] Income Tax Authority Income Tax Authority [Axis] Income Tax Authority Income Tax Authority [Domain] Federal [Member] Domestic Country [Member] State and Local [Member] State And Local Jurisdiction [Member] Income Tax Disclosure [Line Items] Income Tax Disclosure [Line Items] Bad debt reserve for tax purposes of qualified lender Bad Debt Reserve For Tax Purposes Of Qualified Lender Current tax expense: Federal Current Federal Tax Expense Benefit Current tax expense: State Current State And Local Tax Expense Benefit Current tax expense: Total Current Income Tax Expense Benefit Deferred tax (benefit): Federal Deferred Federal Income Tax Expense Benefit Deferred tax (benefit): State Deferred State And Local Income Tax Expense Benefit Deferred tax (benefit): Total Deferred Income Tax Expense Benefit Valuation allowance Income Tax Expense Benefit Continuing Operations Adjustment Of Deferred Tax Asset Liability Total income tax expense Income tax reconciliation income from bank owned life insurance. Income tax reconciliation disqualifying dispositions on incentive stock options. Income tax reconciliation nondeductible merger related expense. Income before income taxes Federal income tax expense at statutory rate Federal Income Tax Expense Benefit Continuing Operations (Reduction) increases in income taxes resulting from: Tax exempt interest Income Tax Reconciliation Tax Exempt Income (Reduction) increases in income taxes resulting from: State tax, net of federal tax effect Income Tax Reconciliation State And Local Income Taxes (Reduction) increases in income taxes resulting from: Incentive stock options compensation expense Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost (Reduction) increases in income taxes resulting from: Income from bank-owned life insurance Income Tax Reconciliation Income From Bank Owned Life Insurance (Reduction) increases in income taxes resulting from: Disqualifying disposition on incentive stock options Income Tax Reconciliation Disqualifying Dispositions On Incentive Stock Options (Reduction) increases in income taxes resulting from: Non-deductible merger-related expenses Income Tax Reconciliation Nondeductible Merger Related Expense (Reduction) increases in income taxes resulting from: Impact of federal income tax reform Income Tax Reconciliation Change In Enacted Tax Rate (Reductions) increases in income taxes resulting from: Other items, net Income Tax Reconciliation Other Adjustments Income Tax Expense Benefit Before Valuation Allowance Income Tax Expense Benefit Before Valuation Allowance Valuation allowance Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance Effective income tax rate Effective Income Tax Rate Continuing Operations Deferred tax assets unrealized losses on securities available for sale transferred to held to maturity. Deferred tax assets uncollected interest. Deferred income tax assets: Purchase accounting Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Deferred Tax Assets Noncurrent Deferred income tax assets: Accumulated other comprehensive income - Defined benefit plans Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits Deferred income tax assets: Accumulated other comprehensive income - Unrealized loss on securities available for sale Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross Deferred income tax assets: Accumulated other comprehensive income - Unrealized loss on securities available for sale transferred to held to maturity Deferred Tax Assets Unrealized Losses On Securities Available For Sale Transferred To Held To Maturity Deferred income tax assets: Allowance for loan losses Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses Deferred income tax assets: Benefit plans Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits Deferred income tax assets: Compensation Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation Deferred income tax assets: Stock based compensation Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost Deferred income tax assets: Uncollected interest Deferred Tax Assets Uncollected Interest Deferred income tax assets: Depreciation Deferred Tax Assets Property Plant And Equipment Deferred income tax assets: Charitable contribution carryover Deferred Tax Assets Charitable Contribution Carryforwards Deferred income tax assets: Net operating loss carryover Deferred Tax Assets Operating Loss Carryforwards Deferred income tax assets: Capital loss carryforward Deferred Tax Assets Capital Loss Carryforwards Deferred income tax assets: Other items Deferred Tax Assets Other Deferred Tax Assets, Gross, Total Deferred Tax Assets Gross Deferred income tax assets: Valuation allowance Deferred Tax Assets Valuation Allowance Deferred Tax Assets, Net of valuation allowance, Total Deferred Tax Assets Net Deferred income tax liabilities: Loan fees and costs Deferred Tax Liabilities Deferred Expense Deferred Financing Costs Deferred income tax liabilities: Derivatives Deferred Tax Liabilities Derivatives Deferred income tax liabilities: Unrealized gain on securities available for sale Deferred Tax Liabilities Unrealized Gains On Trading Securities Deferred income tax liabilities: Goodwill Deferred Tax Liabilities Goodwill And Intangible Assets Goodwill Deferred income tax liabilities: Other items Deferred Tax Liabilities Other Deferred Tax Liabilities, Gross, Total Deferred Income Tax Liabilities Net deferred income tax asset Net operating loss ("NOL") carryforwards Operating Loss Carryforwards Operating loss carryforwards, expiration date Operating Loss Carryforwards Expiration Date 2020 Operating Leases Future Minimum Payments Due Current 2021 Operating Leases Future Minimum Payments Due In Two Years 2022 Operating Leases Future Minimum Payments Due In Three Years 2023 Operating Leases Future Minimum Payments Due In Four Years 2024 Operating Leases Future Minimum Payments Due In Five Years Thereafter Operating Leases Future Minimum Payments Due Thereafter Total minimum payments required Operating Leases Future Minimum Payments Due Minimum rentals Lease And Rental Expense Commitments. Commitments. Commitments [Table] Commitments [Table] Credit Facility Credit Facility [Axis] Credit Facility Credit Facility [Domain] Commercial Business Lines of Credit [Member] Line Of Credit [Member] Fixed Rate [Member] Fixed Rate Residential Mortgage [Member] Variable Rate [Member] Adjustable Rate Residential Mortgage [Member] Real estate mortgage. Real Estate Mortgage Loans [Member] Real Estate Mortgage [Member] Construction loans in process. Construction Loans in Process [Member] Construction Loans In Process [Member] Home Equity Lines of Credit [Member] Home Equity [Member] Commitments [Line Items] Commitments [Line Items] Total loan commitments Other Commitment Loss Contingency Nature Loss Contingencies By Nature Of Contingency [Axis] Loss Contingency, Nature Loss Contingency Nature [Domain] Standby Letters of Credit [Member] Standby Letters Of Credit [Member] Other Commitment Number of trust preferred securities. Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Significant Unobservable Inputs (Level 3) [Member] One trust preferred security. One Trust Preferred Security [Member] One Trust Preferred Security [Member] Measurement Frequency Fair Value By Measurement Frequency [Axis] Fair Value, Measurement Frequency Fair Value Measurement Frequency [Domain] Fair Value, Measurements, Nonrecurring [Member] Fair Value Measurements Nonrecurring [Member] Impaired loans Impaired Loans [Member] Impaired Loans [Member] Other real estate owned. Other Real Estate Owned [Member] Other Real Estate Owned [Member] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] Number of trust preferred securities Number Of Trust Preferred Securities Residential Pass-Through Securities [Member] Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] Significant Other Observable Inputs (Level 2) [Member] Assets: Assets Fair Value Disclosure [Abstract] Mortgage-backed securities available for sale Mortgage Backed Securities Available For Sale Fair Value Disclosure Securities available for sale Interest rate swaps, assets Total assets Assets Fair Value Disclosure Liabilities: Liabilities Fair Value Disclosure [Abstract] Interest rate swaps, liabilities Total liabilities Liabilities Fair Value Disclosure Assets, Fair Value Percentage of collateral or property market value. Weighted average percentage of collateral or property market value. Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Table] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Table] Valuation Approach and Technique Valuation Technique [Axis] Valuation Approach and Technique Valuation Technique [Domain] Market Valuation of Underlying Collateral [Member] Market Approach Valuation Technique [Member] Unobservable input by type. Unobservable Input By Type Unobservable Input By Type [Axis] Unobservable input by type. Unobservable Input By Type Unobservable Input By Type [Domain] Adjustments to reflect current conditions/selling costs. Adjustments to Reflect Current Conditions or Selling Costs [Member] Adjustments To Reflect Current Conditions Or Selling Costs [Member] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] Valuation Techniques Fair Value Measurements Valuation Processes Description Unobservable Input Fair Value Measurements Sensitivity Analysis Description Range Percentage Of Collateral Or Property Market Value Weighted Average Weighted Average Percentage Of Collateral Or Property Market Value Assets, Fair Value Financing receivable, allowance for credit losses, individually evaluated for impairment Loans and Leases Receivable, Gross Loans Receivable Fair Value Disclosure Interest receivable fair value disclosure. Interest payable fair value disclosure. Carrying Amount [Member] Fair Value By Measurement Basis [Axis] Fair Value Disclosure Item Amounts [Default] Portion At Fair Value Fair Value Disclosure [Member] Fair Value Measurement Fair Value Disclosure Item Amounts [Domain] Carrying Amount [Member] Carrying Reported Amount Fair Value Disclosure [Member] Fair Value [Member] Fair Value [Member] Estimate Of Fair Value Fair Value Disclosure [Member] Carrying Amount [Member] Financial assets: Financial Instruments Financial Assets Balance Sheet Groupings [Abstract] Cash and cash equivalents Cash And Cash Equivalents Fair Value Disclosure Investment securities available for sale Investment securities held to maturity, amortized cost Investment securities held to maturity Loans held-for-sale Loans Held For Sale Fair Value Disclosure Net loans receivable FHLB Stock Investment In Federal Home Loan Bank Stock Fair Value Disclosure Interest receivable Interest Receivable Fair Value Disclosure Interest rate swaps, assets Financial liabilities: Financial Liabilities Fair Value Disclosure [Abstract] Deposits Deposits Fair Value Disclosure Borrowings Debt Instrument Fair Value Interest payable on deposits Interest Payable Current Interest payable on borrowings Interest Payable Fair Value Disclosure Interest rate swaps, liabilities Comprehensive Income Net Of Tax [Abstract] Accumulated Other Comprehensive Income Loss [Table] Accumulated Other Comprehensive Income Loss [Table] Net Unrealized Loss on Securities Available for Sale [Member] Accumulated Net Unrealized Investment Gain Loss [Member] Accumulated net unrealized gain loss on securities transferred from available for sale to held to maturity. Net Unrealized Loss on Securities Transferred from Available for Sale to Held to Maturity [Member] Accumulated Net Unrealized Gain Loss On Securities Transferred From Available For Sale To Held To Maturity [Member] Fair Value Adjustments on Derivatives [Member] Accumulated Gain Loss Net Cash Flow Hedge Parent [Member] Benefit Plan Adjustments [Member] Accumulated Defined Benefit Plans Adjustment [Member] Accumulated Other Comprehensive Income [Member] Accumulated Other Comprehensive Income Loss [Line Items] Accumulated Other Comprehensive Income Loss [Line Items] Accumulated other comprehensive income (loss), before tax