Entity Central Index Key Other comprehensive income reclassification amortization of unrealized holding gain loss on securities transferred from available for sale to held to maturity, net of tax. Noninterest income from loan-related fees and charges. Cover [Abstract] Document Type Document Type Amendment Flag Amendment Flag Entity File Number Entity File Number Entity Tax Identification Number Entity Tax Identification Number 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 Security Exchange Name Security Exchange Name Title of 12(b) Security Security12b Title Entity Registrant Name Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock Shares Outstanding Entity Current Reporting Status Entity Current Reporting Status Entity Interactive Data Current Entity Interactive Data Current Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Shell Company Entity Shell Company Entity Address, Address Line One Entity Address Address Line1 Entity Address, City or Town Entity Address City Or Town Entity Address, State or Province Entity Address State Or Province Entity Address, Postal Zip Code Entity Address Postal Zip Code Entity Incorporation, State or Country Code Entity Incorporation State Country Code City Area Code City Area Code Local Phone Number Local Phone Number Document Quarterly Report Document Quarterly Report Document Transition Report Document Transition Report Core Deposit Intangible 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 $36,970 and $584,678, respectively) 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 $(46,340) and $(52,025), respectively 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 intangibles 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; 85,149,562 shares and 89,125,655 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; 3,060,638 shares and 3,160,987 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] Statement [Table] Statement [Table] Product and Service Product Or Service [Axis] Product and Service Products And Services [Domain] Financial Service [Member] Financial Service [Member] Credit and Debit Card [Member] Credit And Debit Card [Member] Statement [Line Items] Statement [Line Items] 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 (Reversal of) provision for loan losses Provision For Loan And Lease Losses Net Interest Income after (Reversal of) Provision for Loan Losses Interest Income Expense After Provision For Loan Loss Non-Interest Income Noninterest Income [Abstract] Fees and service charges Revenue From Contract With Customer Including Assessed Tax Gain (loss) 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) gain 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 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 Integration 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 (loss) gain on securities available for sale Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax Amortization of net unrealized 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 (gain) loss on sale and call of 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 Statement Of Stockholders Equity [Abstract] 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] 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, net of income tax expense ESOP shares committed to be released Amortization Of E S O P Award 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 plan (in shares) Stock Issued During Period Shares Employee Benefit Plan Restricted stock plan shares earned Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units 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 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 Deferred income taxes and valuation allowance. Amortization (accretion) of benefit plan unrecognized net gain. Provision (reversal) for loan and lease losses. Gain (loss) on sale and call of available for sale investment securities. Proceeds from sale of SBA loans. Gain loss on sale of SBA loans. Bank owned life insurance increase in cash surrender value. Proceeds from (repayments of) other short term debt. Payments for repurchase and cancellation of common stock. Cancellation of shares repurchased on vesting to pay taxes. Statement Of Cash Flows [Abstract] Adjustments for New Accounting Pronouncements Adjustments For New Accounting Pronouncements [Axis] Type of Adoption Type Of Adoption [Member] Accounting Standards Update 2019-04. ASU 2019-04 [Member] Accounting Standards Update201904 [Member] ASU 2016-02 [Member] Accounting Standards Update201602 [Member] 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 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 (accretion) of benefit plans’ unrecognized net gain Amortization Accretion Of Benefit Plan Unrecognized Net Gain (Reversal of) provision for loan losses Provision Reversal For Loan And Lease Losses Loss on write-down and sales of other 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 on sale and call of investment securities available for sale Gain Loss On Sale And Call Of Available For Sale Investment Securities 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 on disposition of premises and equipment Gain Loss On Disposition Of Assets 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 Decrease (increase) in interest receivable Increase Decrease In Interest And Dividends Receivable (Increase) decrease in other assets Increase Decrease In Other Operating Assets (Decrease) increase in interest payable Increase Decrease In Interest Payable Net Increase (decrease) 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 Debt 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 Sales of investment securities available for sale Proceeds From Sale Of Available For Sale Securities Debt Purchase of loans Payments To Acquire Loans And Leases Held For Investment Net decrease (increase) in loans receivable Payments For Proceeds From Loans Receivable Proceeds from the sale of other real estate owned Proceeds From Sale Of Other Real Estate Purchase of interest rate caps Payments For Hedge Investing Activities 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 Provided by (Used in) Investing Activities Net Cash Provided By Used In Investing Activities Operating lease, right-of-use assets recognized. Operating lease liabilities recognized. Cash paid during period. 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 in other short-term borrowings Proceeds From Repayments Of Other Short Term Debt Net decrease 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 shares repurchased on vesting to pay taxes Cancellation Of Shares Repurchased On Vesting To Pay Taxes Dividends paid Payments Of Dividends Net Cash (Used in) 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 period for: Cash Paid During Period [Abstract] Income taxes, net of refunds Income Taxes Paid Net Interest Interest Paid Net Non-cash investing and financing activities: Noncash Investing And Financing Items [Abstract] Acquisition of real estate owned in settlement of loans Transfer To Other Real Estate Debt securities transferred from held to maturity to available for sale Transfer Of Investments Operating lease right-of-use assets Operating Lease Right Of Use Assets Recognized Operating lease liabilities Operating Lease Liabilities Recognized Accounting Policies [Abstract] Principles of Consolidation Organization Consolidation And Presentation Of Financial Statements Disclosure [Text Block] Basis of Presentation Basis Of Accounting Net Income Per Common Share (EPS) Earnings Per Share [Text Block] Subsequent Events [Abstract] Subsequent Events Subsequent Events [Text Block] Proposed acquisition. Business Combinations [Abstract] Business Acquisition Business Acquisition [Axis] Business Acquisition, Acquiree Business Acquisition Acquiree [Domain] MSB Financial Corporation. MSB Financial Corporation [Member] M S B Financial Corporation [Member] Proposed Acquisition of MSB Financial Corp. Proposed Acquisition [Text Block] Merger related expenses. Merger Related Expenses Merger Related Expenses [Text Block] Accounting Changes And Error Corrections [Abstract] Recent Accounting Pronouncements New Accounting Pronouncements And Changes In Accounting Principles [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] Leases [Abstract] Leases Leases 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] Income Tax Disclosure [Abstract] Income Taxes Income Tax 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] Reconciliation of Numerators and Denominators of Basic and Diluted Earnings Per Share Computations Schedule Of Earnings Per Share Basic And Diluted 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] 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] Schedule of Future Minimum Rental Commitments for Operating Leases Lessee Operating Lease Liability Maturity Table [Text Block] Schedule Of Deposits Table Text Block Schedule of Deposits Schedule Of Deposits 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 and Comprehensive 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] Schedule of Net Periodic Benefit Expense Schedule Of Net Benefit Costs 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 Assets 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 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 Schedule Of Accumulated Other Comprehensive Income Loss Table [Text Block] Schedule of Comprehensive Income 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] Income (Numerator): Net income Income (Numerator): Basic earnings per share, income available to common stockholders Net Income Loss Available To Common Stockholders Basic Income (Numerator): Stock options Amount Of Dilutive Securities Stock Options And Restrictive Stock Units Income (Numerator): Diluted earnings per share Net Income Loss Available To Common Stockholders Diluted Shares (Denominator): Basic earnings per share, income available to common stockholders Shares (Denominator): Stock options Incremental Common Shares Attributable To Share Based Payment Arrangements Shares (Denominator): Diluted earnings per share Per Share Amount: Basic earnings per share, income available to common stockholders Per Share Amount: Diluted earnings per share Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Antidilutive Securities Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities [Axis] Antidilutive Securities, Name Antidilutive Securities Name [Domain] Stock Options [Member] Employee Stock Option [Member] Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Number of stock options anti-dilutive Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Business acquisition equity interests issued or issuable for each shares exchanged. Business combination percentage of acquiree shares to be converted to common stock. Business combination percentage of acquiree shares to be exchanged for cash. Schedule Of Business Acquisitions By Acquisition [Table] Schedule Of Business Acquisitions By Acquisition [Table] Business Acquisition [Line Items] Business Acquisition [Line Items] Business acquisition, date of definitive agreement Business Acquisition Date Of Acquisition Agreement1 Outstanding shares of MSBF common stock exchanged for shares of Company common stock Business Acquisition Equity Interests Issued Or Issuable For Each Shares Exchanged Business acquisition, share price offered for per share of MSBF common stock to be converted in cash Business Acquisition Share Price Percentage of shares to be converted into common stock Business Combination Percentage Of Acquiree Shares To Be Converted To Common Stock Percent of shares to be exchanged for cash Business Combination Percentage Of Acquiree Shares To Be Exchanged For Cash Business acquisition, percentage of voting interests acquired Business Acquisition Percentage Of Voting Interests Acquired Number of branches in which deposits held. Assets Gross loans Deposits Number of branches in which deposits held Number Of Branches In Which Deposits Held 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] ASU 2016-13 [Member] Accounting Standards Update201613 [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 Reclassification of investment securities held to maturity to investment securities available for sale Other Comprehensive Income Reclassification Adjustment For Held To Maturity Transferred To Available For Sale Securities Before Tax Reclassification of investment securities held to maturity to investment securities available for sale 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] Non-agency securities. Non-agency securities [Member] Non Agency 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 Corporate Bond [Member] Corporate Bond Securities [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 Held-to-maturity Securities, Classified [Abstract] 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 Held-to-maturity Securities, Fair Value Total 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 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 Financing Receivable Recorded Investment By Class Of Financing Receivable [Axis] Class of Financing Receivable Financing Receivable Recorded Investment Class Of Financing Receivable [Domain] One to four family residential. One- to Four-Family Residential Mortgage [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] 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 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] 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] Home Equity Loans [Member] Home Equity Loan [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 Total charge offs Financing Receivable Allowance For Credit Losses Write Offs Total recoveries Financing Receivable Allowance For Credit Losses Recovery 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] Financial Asset, Period Past Due Financing Receivables Period Past Due [Axis] Financial Asset, 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 operating lease liabilities Sale and leaseback transactions, leveraged leases or lease transactions with related parties. Weighted average remaining lease term for operating leases Operating Lease Weighted Average Remaining Lease Term1 Operating lease, weighted average discount rate Operating Lease Weighted Average Discount Rate Percent Operating Lease, Cost Operating Lease Cost Net rent expense Operating Leases Rent Expense Net Sale and leaseback transactions, leveraged leases or lease transactions with related parties Sale And Leaseback Transactions Leveraged Leases Or Lease Transactions With Related Parties Leases not yet commenced Lessor Operating Lease Lease Not Yet Commenced Assumption And Judgment Value Of Underlying Asset Amount Less than one year Lessee Operating Lease Liability Payments Remainder Of Fiscal Year After one year but within two years Lessee Operating Lease Liability Payments Due Year Two After two years but within three years Lessee Operating Lease Liability Payments Due Year Three After three years but within four years Lessee Operating Lease Liability Payments Due Year Four After four years but within five years Lessee Operating Lease Liability Payments Due Year Five Greater than five years Lessee Operating Lease Liability Payments Due After Year Five Total undiscounted cash flows Lessee Operating Lease Liability Payments Due Less: discount on cash flows Lessee Operating Lease Liability Undiscounted Excess Amount Total lease liability Deposits [Abstract] Non-interest-bearing demand Interest-bearing demand Interest Bearing Domestic Deposit Demand Savings Deposits Savings Deposits Certificates of deposits Time Deposits Federal home loan bank advances unamortized fair value adjustments. Federal home loan bank advances after fair value adjustments. Debt Instrument [Table] Debt Instrument [Table] Statistical Measurement Range [Axis] Statistical Measurement Range [Member] Weighted Average [Member] Weighted Average [Member] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [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 In Remainder Of Fiscal Year 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] Interest rate caps. Interest Rate Caps [Member] Interest Rate Caps [Member] Derivatives Designated as Hedging Instruments [Member] Hedging Designation [Axis] Hedging Designation Hedging Designation [Domain] Derivatives Designated as Hedging Instruments [Member] Designated As Hedging Instrument [Member] Other Assets [Member] 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] 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 not included as offsetting amounts Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral 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 Federal income tax rate Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate Income tax reconciliation income from bank owned life insurance. 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 option 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: Non-deductible merger-related expenses Income Tax Reconciliation Nondeductible Merger Related Expense (Reductions) increases in income taxes resulting from: Other items, net Income Tax Reconciliation Other Adjustments (Reductions) increases in income taxes resulting from: Impact of deferred tax rate adjustment Income Tax Reconciliation Change In Enacted Tax Rate Total income tax expense 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 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 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 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] 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] Significant Unobservable Inputs (Level 3) [Member] Fair Value Inputs Level3 [Member] One trust preferred security. One Trust Preferred Security [Member] One Trust Preferred Security [Member] Loan Origination Commitments [Member] Measurement Frequency Fair Value By Measurement Frequency [Axis] 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 Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] Fair Value Inputs Level1 [Member] Significant Other Observable Inputs (Level 2) [Member] Fair Value Inputs Level2 [Member] Interest rate swaps and caps. Interest Rate Swaps and Caps [Member] Interest Rate Swaps And Caps [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 and caps Total assets Assets Fair Value Disclosure Liabilities: Liabilities Fair Value Disclosure [Abstract] Interest rate swaps Total liabilities Liabilities Fair Value Disclosure Assets, Fair Value Weighted average percentage of collateral or property market value. 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] Estimate Of Fair Value Fair Value Disclosure [Member] 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 and caps Derivative Instruments And Hedges Noncurrent 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] Net unrealized gain on securities available for sale Aoci Before Tax Attributable To Parent Tax effect Aoci Tax Attributable To Parent Other comprehensive income reclassification amortization of unrealized holding gain loss on securities transferred from available for sale to held to maturity before tax. Other comprehensive income (loss), reclassification adjustment from AOCI, pension and other postretirement benefit plans, for actuarial net gain (loss), before tax. Net unrealized holding (loss) gain on securities available for sale Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax Amortization of net unrealized holding 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 Before Tax Net realized (gain) loss on sale and call of securities available for sale Other Comprehensive Income Loss Reclassification Adjustment From A O C I For Sale Of Securities Before Tax Fair value adjustments on derivatives Other Comprehensive Income Loss Derivatives Qualifying As Hedges Before Tax Amortization of actuarial loss Other Comprehensive Income Loss Reclassification Adjustment From A O C I Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax Net actuarial loss Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Actuarial Net Gain Loss Before Tax Net change in benefit plan accrued expense Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax Other comprehensive (loss) income before taxes Other Comprehensive Income Loss Before Tax Tax effect Other Comprehensive Income Loss Tax Reclassification Out Of Accumulated Other Comprehensive Income [Table] Reclassification Out Of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income Reclassification Out Of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income Reclassification Out Of Accumulated Other Comprehensive Income [Domain] Reclassification Out of Accumulated Other Comprehensive Income [Member] Reclassification Out Of Accumulated Other Comprehensive Income [Member] Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items] Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items] Tax effect Deposit related fees and charges. Deposit Related Fees and Charges Deposit Related Fees And Charges [Member] Electronic banking fees and charges. Electronic Banking Fees and Charges (Interchange Income) Electronic Banking Fees And Charges Interchange Income [Member] Loan-related fees and charges Noninterest Income From Loan Related Fees And Charges Gain (loss) on sale and call of securities (Loss) gain on sale and write down of other real estate owned