Leases [Abstract] 2019 Operating Leases, Future Minimum Payments Receivable, Current 2020 Operating Leases, Future Minimum Payments Receivable, in Two Years 2021 Operating Leases, Future Minimum Payments Receivable, in Three Years 2022 Operating Leases, Future Minimum Payments Receivable, in Four Years 2023 Operating Leases, Future Minimum Payments Receivable, in Five Years Thereafter Operating Leases, Future Minimum Payments Receivable, Thereafter Future minimum lease payments Operating Leases, Future Minimum Payments Receivable Business Combinations [Abstract] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Enterprise Bank N.J. Enterprise Bank N.J. [Member] Enterprise Bank N.J. [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Gross amortized cost basis Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Gross Amortized Cost Basis Amount Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Gross Amortized Cost Basis Amount Fair value adjustment on general pooled loans Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Other-than-Temporary Impairment Charges, General Pooled Loans, Credit Fair Value Increase (Decrease) Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Other-than-Temporary Impairment Charges, General Pooled Loans, Credit Fair Value Increase (Decrease) Credit fair value adjustment on purchased credit impaired loans Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Other-than-Temporary Impairment Charges, Credit Fair Value Increase (Decrease) Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Other-than-Temporary Impairment Charges, Credit Fair Value Increase (Decrease) Fair value of acquired loans Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Acquired During Period, at Acquisition, at Fair Value Statement of Stockholders' Equity [Abstract] Dividends declared (in dollars per share) Common Stock, Dividends, Per Share, Declared Subordinated Borrowings [Abstract] SUBORDINATED DEBENTURES AND MANDATORY REDEEMABLE CAPITAL DEBENTURES Subordinated Borrowings Disclosure [Text Block] Receivables [Abstract] Schedule of Financing Receivable, Allowance for Credit Losses [Table] Schedule of Financing Receivable, Allowance for Credit Losses [Table] Financing Receivable, Recorded Investment, by Class of Financing Receivable [Axis] Class of Financing Receivable, Type [Axis] Financing Receivable, Recorded Investment, Class of Financing Receivable [Domain] Class of Financing Receivable, Type [Domain] Commercial and Industrial Commercial Portfolio Segment [Member] Construction Construction Loans [Member] Commercial Real Estate Commercial Real Estate [Member] Residential Real Estate Residential Real Estate [Member] Consumer and Other Consumer Portfolio Segment [Member] Unallocated Unallocated Financing Receivables [Member] Financing Receivable, Allowance for Credit Losses [Line Items] Financing Receivable, Allowance for Credit Losses [Line Items] Financing Receivable, Allowance for Credit Losses [Roll Forward] Financing Receivable, Allowance for Credit Losses [Roll Forward] Beginning balance Financing Receivable, Allowance for Credit Losses Charge-offs Financing Receivable, Allowance for Credit Losses, Write-downs Recoveries Financing Receivable, Allowance for Credit Losses, Recovery Provision Provision for Loan, Lease, and Other Losses Ending balance Investments [Abstract] Schedule Of Available-For-Sale And Held-To-Maturity [Table] Schedule Of Available-For-Sale And Held-To-Maturity [Table] Schedule Of Available-For-Sale And Held-To-Maturity [Table] Major Types of Debt and Equity Securities Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Domain] Major Types of Debt and Equity Securities [Domain] U.S. government agencies US Government Agencies Debt Securities [Member] U.S. government sponsored agency US Government-sponsored Enterprises Debt Securities [Member] State and political subdivisions US States and Political Subdivisions Debt Securities [Member] U.S. government-sponsored enterprises Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] Schedule Of Available-For-Sale And Held-To-Maturity [Line Items] Schedule Of Available-For-Sale And Held-To-Maturity [Line Items] Schedule Of Available-For-Sale And Held-To-Maturity [Line Items] Available for sale securities carrying value pledged to secure public deposits Available For Sale Securities, Carrying Value Available For Sale Securities, Carrying Value Gains on sales of securities available for sale Available-for-sale Securities, Gross Realized Gains Gross losses on sales of securities available for sale Available-for-sale Securities, Gross Realized Losses Number of securities with unrealized losses, available-for-sale Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions Fair value of available-for-sale securities Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value Unrealized loss of available-for-sale securities Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss Available-for-sale securities deemed other than temporarily impaired Other than Temporary Impairment Losses, Investments, Available-for-sale Securities Available-for-sale, maturity period Unrealized Losses From State And Political Subdivisions Maturity Minimum Number Of Years Number of securities with unrealized losses from state and political subdivisions maturity minimum number of years Number of securities with unrealized losses, held-to-maturity Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions Fair value of held-to maturity securities Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value Held-to-maturity, unrealized loss Held-to-maturity Securities, Continuous Unrealized Loss Position, Aggregate Loss Deposits [Abstract] Components of Deposits Components Of Time Deposits [Table Text Block] Components Of Time Deposits [Table Text Block] Scheduled Maturities of Time Deposits Schedule Of Maturities Of Time Deposits [Table Text Block] Schedule Of Maturities Of Time Deposits [Table Text Block] Retirement Benefits [Abstract] EMPLOYEE BENEFIT PLANS Pension and Other Postretirement Benefits Disclosure [Text Block] Related Party Transactions [Abstract] Loans and Leases Receivable, Related Parties [Roll Forward] Loans and Leases Receivable, Related Parties [Roll Forward] Balance, beginning Loans and Leases Receivable, Related Parties Disbursements Loans and Leases Receivable, Related Parties, Additions Repayments and other Loans and Leases Receivable, Related Parties, Proceeds Balance, ending Goodwill and Intangible Assets Disclosure [Abstract] Schedule of Finite-Lived Intangible Assets, Future Amortization Expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] 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 Total held to maturity securities, Amortized Cost Held-to-maturity Securities, Amortized Cost before Other than Temporary Impairment Due in one year or less, Fair Value Held-to-maturity Securities, Debt Maturities, Next Twelve Months, Fair Value Due after one year through five years, Fair Value Held-to-maturity Securities, Debt Maturities, Year Two Through Five, Fair Value Due after five years through ten years, Fair Value Held-to-maturity Securities, Debt Maturities, Year Six Through Ten, Fair Value Due after ten years, Fair Value Held-to-maturity Securities, Debt Maturities, after Ten Years, Fair Value Total held to maturity securities, Fair Value Held-to-maturity Securities, Fair Value Debt Disclosure [Abstract] BORROWINGS Debt Disclosure [Text Block] LEASE COMMITMENTS AND TOTAL RENTAL EXPENSE Leases of Lessor Disclosure [Text Block] Revenue from Contract with Customer [Abstract] REVENUE RECOGNITION Revenue from Contract with Customer [Text Block] Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Community Bank of Bergen County Merger Community Bank of Bergen County, Merger [Member] Community Bank of Bergen County, Merger [Member] Statement, Business Segments [Axis] Segments [Axis] Segment [Domain] Segments [Domain] Insurance Insurance Services [Member] Insurance Services [Member] Banking Banking And Financial Services [Member] Banking And Financial Services [Member] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Core deposits Core Deposits [Member] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Goodwill and intangible assets Goodwill Goodwill acquired Goodwill, Acquired During Period Estimated fair value of the insurance segment exceeded its carrying value Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount Intangibles Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Amortization Amortization Loans and Leases Receivable Disclosure [Abstract] Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward] Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward] Accretable yield, beginning balance Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Acquisition of impaired loans Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Additions Accretable yield amortized to interest income Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion Reclassification from non-accretable difference Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Reclassifications from Nonaccretable Difference Accretable yield, ending balance Schedule of Long-Term Borrowings Schedule of Debt [Table Text Block] Schedule of Maturities of Debt Schedule of Maturities of Long-term Debt [Table Text Block] Property, Plant and Equipment [Abstract] Depreciation expense Depreciation LOANS Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Comprehensive Income [Abstract] Other Comprehensive Income [Abstract] Components Of Other Comprehensive Income And Related Tax Effects Schedule Of Other Comprehensive Income And Related Tax Effects Components [Table Text Block] Schedule Of Other Comprehensive Income And Related Tax Effects Components [Table Text Block] Schedule Of Other Components Of Accumulated Other Comprehensive Income Included In Equity Schedule Of Other Components Of Accumulated Other Comprehensive Income Included In Equity [Table Text Block] Schedule Of Other Components Of Accumulated Other Comprehensive Income Included In Equity [Table Text Block] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Capital securities maturity on September 15, 2037 Capital Securities September152037 [Member] Capital Securities, September 15, 2037 [Member] Private placement fixed-to-floating rate subordinated notes Fixed-to-Floating Subordinated Notes [Member] Fixed-to-Floating Subordinated Notes [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Debt issued to investors Debt Instrument, Face Amount Variable rate junior subordinated debentures Junior Subordinated Debenture Owed to Unconsolidated Subsidiary Trust Variable rate spread on debt instrument Debt Instrument, Basis Spread on Variable Rate Variable interest rate during the period Debt Instrument, Interest Rate During Period Interest Rate Debt Instrument, Interest Rate, Stated Percentage Fair Value Disclosures [Abstract] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Major Types of Debt and Equity Securities Corporate debt Corporate Debt Securities [Member] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Quoted Prices in Active Markets for Identical Assets (Level I) Fair Value, Inputs, Level 1 [Member] Significant Other Observable Inputs (Level II) Fair Value, Inputs, Level 2 [Member] Significant Unobservable Inputs (Level III) Fair Value, Inputs, Level 3 [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] Securities Available-for-sale Securities, Debt Securities Derivative instruments Derivative, Fair Value, Net Regulatory Capital Requirements [Abstract] STOCKHOLDERS' EQUITY, CAPITAL AND REGULATORY MATTERS Regulatory Capital Requirements under Banking Regulations [Text Block] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Land and land improvements Land and Land Improvements [Member] Buildings and building improvements Building and Building Improvements [Member] Leasehold improvements Leasehold Improvements [Member] Furniture, fixtures and equipment Furniture and Fixtures [Member] Assets in progress Asset under Construction [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Premises and equipment Property, Plant and Equipment, Gross Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Premises and equipment, net Property, Plant and Equipment, Net Schedule of Available-for-sale Securities [Table] Schedule of Available-for-sale Securities [Table] Schedule of Available-for-sale Securities [Line Items] Schedule of Available-for-sale Securities [Line Items] Amortized Cost Available-for-sale Securities, Amortized Cost Basis Gross Unrealized Gains Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax Gross Unrealized Losses Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax Fair Value Available-for-sale Securities Earnings Per Share [Abstract] EARNINGS PER SHARE Earnings Per Share [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Schedule of Fair Value of Derivative Financial Instruments and Classification Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Schedule of Derivative Instruments Designated as Cash Flow Hedges Derivative Instruments, Gain (Loss) [Table Text Block] Offsetting Assets Offsetting Assets [Table Text Block] Offsetting Liabilities Offsetting Liabilities [Table Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Outstanding, beginning of year (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Options granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Options expired (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period Options exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Outstanding, end of year (in shares) Exercisable, end of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Weighted Average Exercise Price per Share Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Outstanding (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Options granted (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Options expired (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Options exercised (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Exercisable, end of period (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Weighted Average Contractual Term, Outstanding (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Weighted Average Contractual Term, Exercisable (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Aggregate Intrinsic Value, Outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Aggregate Intrinsic Value, Exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Statement [Table] Statement [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock Common Stock [Member] Deferred Compensation Obligation Under Rabbi Trust Deferred Compensation, Obligation Under Rabbi Trust [Member] Deferred Compensation, Obligation Under Rabbi Trust [Member] Retained Earnings Retained Earnings [Member] Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Stock Held by Rabbi Trust Deferred Compensation, Share-based Payments [Member] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Accounting Standards Update 2018-02 Accounting Standards Update 2018-02 [Member] Accounting Standards Update 2018-02 [Member] Statement [Line Items] Statement [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Beginning balance Stockholders' Equity Attributable to Parent Beginning balance (in shares) Common Stock, Shares, Outstanding Net income Net Income (Loss) Attributable to Parent Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Reclassification due to the adoption of ASU 2018-02 Cumulative Effect of New Accounting Principle in Period of Adoption Shares issued in mergers Stock Issued During Period, Value, Acquisitions Shares issued in mergers (in shares) Stock Issued During Period, Shares, Acquisitions Funding of Supplemental Director Retirement Plan Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Net proceeds of common stock issued Stock Issued During Period, Value, New Issues Net proceeds of common stock issued (in shares) Stock Issued During Period, Shares, New Issues Restricted stock granted (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Gross Restricted stock forfeited (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Forfeited Compensation expense related to stock option and restricted stock grants Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Dividends declared on common stock Dividends, Common Stock Ending balance Ending balance (in shares) STOCK INCENTIVE PLANS Disclosure of Compensation Related Costs, Share-based Payments [Text Block] COMPREHENSIVE INCOME AND ACCUMULATED OTHER COMPREHENSIVE INCOME Other Comprehensive Income, Noncontrolling Interest [Text Block] Schedule of Held-to-maturity Securities [Table] Schedule of Held-to-maturity Securities [Table] Schedule of Held-to-maturity Securities [Line Items] Schedule of Held-to-maturity Securities [Line Items] Gross Unrealized Gains Held-to-maturity Securities, Accumulated Unrecognized Holding Gain Gross Unrealized Losses Held-to-maturity Securities, Accumulated Unrecognized Holding Loss Fair Value Due in one year or less, Amortized Cost Available-for-sale Securities, Debt Maturities, Next Twelve Months, Amortized Cost Basis Due after one year through five years, Amortized Cost Available-for-sale Securities, Debt Maturities, Year Two Through Five, Amortized Cost Basis Due after five years through ten years, Amortized Cost Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Amortized Cost Basis Due after ten years, Amortized Cost Available-for-sale Securities, Debt Maturities, after Ten Years, Amortized Cost Basis Total bonds and obligations, Amortized Cost Available-for-sale Debt Securities, Amortized Cost Basis Securities available for sale, Amortized Cost Due in one year or less, Fair Value Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value Due after one year through five years, Fair Value Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value Due after five years through ten years, Fair Value Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Fair Value Due after ten years, Fair Value Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value Total bonds and obligations, Fair Value Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Fair Value Securities available for sale, at fair value TRANSACTIONS WITH EXECUTIVE OFFICERS, DIRECTORS AND PRINCIPAL STOCKHOLDERS Related Party Transactions Disclosure [Text Block] Summary Of Information Regarding Restricted Stock Activity Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] Summary Of Information Regarding Stock Option Plans Share-based Compensation, Stock Options, Activity [Table Text Block] Summary Of Stock Options Outstanding By Exercise Price Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block] Unrealized (loss) gain on available for sale investments Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax Unrealized gain on derivative instruments Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax Unrealized gain on retirement benefits Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax Reclassification due to the adoption of ASU 2018-02 Adoption of Accounting Standard Update 2018-02, Reclassification from AOCI to Retained Earnings Adoption of Accounting Standard Update 2018-02, Reclassification from AOCI to Retained Earnings Accumulated other comprehensive (loss) income Accumulated Other Comprehensive Income (Loss), Net of Tax GOODWILL AND OTHER INTANGIBLES Goodwill and Intangible Assets Disclosure [Text Block] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] 2004 Plan Plan2004 Stock Option [Member] 2004 Stock Option Plan [Member] 2013 Plan Plan2013 Stock Option [Member] 2013 Stock Option Plan [Member Range [Axis] Range [Axis] Range [Domain] Range [Domain] Maximum Maximum [Member] Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Award Type and Plan Name [Axis] Award Type [Axis] Share-based Compensation Arrangements by Share-based Payment Award, Award Type and Plan Name [Domain] Equity Award [Domain] Restricted stock awards Restricted Stock [Member] Stock options Employee Stock Option [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share available for future grants (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Restricted stock awards expense Restricted Stock or Unit Expense Unrecognized compensation expense for non-vested restricted stock Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options Unrecognized compensation expense, period for recognition (in years) Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Stock option grants, maximum term (in years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Options exercised (in shares) Stock-based compensation expense Allocated Share-based Compensation Expense Stock options expected future expense Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options Brokered deposits Interest-bearing Domestic Deposit, Brokered Certificates of deposit of $250,000 or more Time Deposits, at or Above FDIC Insurance Limit Bank overdrafts Bank Overdrafts Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Pro Forma Pro Forma [Member] Total revenues (net interest income plus non-interest income) Revenues Net Income Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Earnings per share, basic (in dollars per share) Earnings Per Share, Basic Financial Instruments With Off-Balance Sheet Risk [Abstract] Financial Instruments With Off-Balance Sheet Risk [Abstract] FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK Financial Instruments With Off-Balance Sheet Risk [Text Block] Financial Instruments With Off-Balance Sheet Risk [Text Block] Credit Loss Status [Axis] [Axis] Credit Loss Status [Axis] [Axis] Credit Loss Status [Axis] [Axis] Credit Loss Status [Axis] [Domain] Credit Loss Status [Axis] [Domain] [Domain] for Credit Loss Status [Axis] [Axis] Loans acquired with credit deterioration Financial Asset Acquired with Credit Deterioration [Member] [Member] Financial Asset Acquired with Credit Deterioration [Member] [Member] Contractually required principal and interest at acquisition Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Acquired During Period, Contractually Required Payments Receivable at Acquisition Contractual cash flows not expected to be collected (non-accretable difference) Certain Loans Acquired in Transfer, Nonaccretable Difference Expected cash flows at acquisition Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Acquired During Period, Cash Flows Expected to be Collected at Acquisition Interest component of expected cash flows (accretable difference) Fair value of acquired loans Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Minimum Minimum [Member] Class of Stock [Line Items] Class of Stock [Line Items] Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Unvested restricted stock, beginning of year (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Unvested restricted stock, end of period (in shares) 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 [Abstract] Unvested restricted stock, beginning balance (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Granted (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Forfeited (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Vested (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Unvested restricted stock, ending balance (in dollars per share) Vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Income Tax Disclosure [Abstract] Federal income tax at statutory rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Additional income tax expense Tax Cuts and Jobs Act of 2017, Change in Tax Rate, Income Tax Expense (Benefit) Tax Cuts and Jobs Act of 2017, Change in Tax Rate, Income Tax Expense (Benefit) Document And Entity Information [Abstract] Document And Entity Information Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year Focus Document Fiscal Year Focus Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Trading Symbol Trading Symbol Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Current Reporting Status Entity Current Reporting Status Entity Public Float Entity Public Float Entity Voluntary Filers Entity Voluntary Filers Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Condensed Financial Information of Parent Company Only Disclosure [Abstract] Balance Sheets Schedule Of Parent Company Only Statement Of Condition [Table Text Block] Schedule Of Parent Company Only Statement Of Condition [Table Text Block] Statements Of Income And Comprehensive Income Schedule Of Parent Company Only Statements Of Income [Table Text Block] Schedule Of Parent Company Only Statements Of Income [Table Text Block] Statements Of Cash Flows Schedule Of Parent Company Only Statements Of Cash Flows [Table Text Block] Schedule Of Parent Company Only Statements Of Cash Flows [Table Text Block] Schedule Of Related Party Loan Activity Schedule of Related Party Transactions [Table Text Block] 2019 Finite-Lived Intangible Assets, Amortization Expense, Next Rolling Twelve Months 2020 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2021 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2022 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2023 Finite-Lived Intangible Assets, Amortization Expense, Year Five Commitments and Contingencies Disclosure [Abstract] CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Within one year Time Deposit Maturities, Next Twelve Months One to two years Time Deposit Maturities, Year Two Two to three years Time Deposit Maturities, Year Three Three to four years Time Deposit Maturities, Year Four After four years Time Deposit Maturities, after Year Five Total time deposits Time Deposits Cash and cash equivalents Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Interest bearing time deposits with other banks Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Interest Bearing Time Deposits Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Interest Bearing Time Deposits Securities available for sale Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Marketable Securities Other bank stock Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Other Bank Stock Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Other Bank Stock Loans Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Loans Receivable Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Loans Receivable Foreclosed real estate Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Foreclosed Real Estate Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Foreclosed Real Estate Premises and equipment, net Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Accrued interest receivable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Interest Receivable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Interest Receivable Intangibles assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Bank-owned life insurance Bank Owned Life Insurance Other assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets Total Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Deposits Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Current Liabilities, Assumed Deposits Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Current Liabilities, Assumed Deposits Borrowings Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt Other liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other Total Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Net consideration paid - common shares issued Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Mortgage loans serviced for the benefit of others Mortgage Loans Serviced For The Benefit Of Others Mortgage Loans Serviced For The Benefit Of Others Carrying value of loans acquired Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net Increase in value Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Amount Above Carrying Value Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Amount Above Carrying Value Amortized Cost And Approximate Fair Value Of Securities Available For Sale Available-for-sale Securities [Table Text Block] Amortized Cost And Fair Value Of Securities By Contractual Maturity Of Available-For-Sale Securities Investments Classified By Contractual Maturity Date, Available-For-Sale Securities [Table Text Block] Investments Classified By Contractual Maturity Date, Available-For-Sale Securities [Table Text Block] Temporarily Impaired Gross Unrealized Losses And Fair Value Of Available-For-Sale Securities Schedule Of Temporary Impairment Losses, Available-For-Sale Securities [Table Text Block] Schedule Of Temporary Impairment Losses, Available-For-Sale Securities [Table Text Block] Amortized Cost And Approximate Fair Value Of Securities Held-To-Maturity Held-to-maturity Securities [Table Text Block] Amortized Cost And Fair Value Of Securities By Contractual Maturity Of Held-To-Maturity Securities Investments Classified By Contractual Maturity Date, Held-To-Maturity Securities [Table Text Block] Investments Classified By Contractual Maturity Date, Held-To-Maturity Securities [Table Text Block] Temporarily Impaired Gross Unrealized Losses And Fair Value Of Held-To-Maturity Securities Schedule of Unrealized Loss on Investments [Table Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Premises And Equipment Useful Life Property Plant And Equipment Useful Life [Table Text Block] Property Plant And Equipment Useful Life [Table Text Block] FAIR VALUE OF ASSETS AND LIABILITIES Fair Value Disclosures [Text Block] SECURITIES Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Schedule of Financing Receivables Past Due [Table] Schedule of Financing Receivables Past Due [Table] Financing Receivables, Period Past Due [Axis] Financing Receivables, Period Past Due [Axis] Financing Receivables, Period Past Due [Domain] Financing Receivables, Period Past Due [Domain] 30-59 Days Past Due Financing Receivables, 30 to 59 Days Past Due [Member] 60-89 days Past Due Financing Receivables, 60 to 89 Days Past Due [Member] Greater Than 90 Days Financing Receivables, Equal to Greater than 90 Days Past Due [Member] Financing Receivable, Recorded Investment, Past Due [Line Items] Financing Receivable, Recorded Investment, Past Due [Line Items] Total Past Due Financing Receivable, Recorded Investment, Past Due Current Notes, Loans and Financing Receivable, Gross, Current Total Financing Receivables Financing Receivable, Net Recorded Investment 90 Days and Accruing Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing Demand, non-interest bearing Noninterest-bearing Domestic Deposit, Demand Savings, money market and interest-bearing demand Interest-bearing Deposit Liabilities, Domestic Time deposits less than $100 thousand Time Deposits, Less than $100,000 Time deposits $100 thousand and over Time Deposits, $100,000 or More Total deposits Deposits Components Of Income Tax Expense 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] Components Of Net Deferred Tax Asset Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Shares outstanding, basic (in shares) Weighted Average Number of Shares Outstanding, Basic Shares held by Rabbi Trust (in shares) Common Stock, Shares Held in Employee Trust, Shares Share liability under deferred compensation agreement (in shares) Deferred Compensation Arrangement with Individual, Shares Issued Net earnings applicable to common stockholders Net Income (Loss) Available to Common Stockholders, Basic Net income applicable to common stockholders and assumed conversions Net Income (Loss) Available to Common Stockholders, Diluted Unvested stock awards (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Shares outstanding, diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Earnings per share, diluted (in dollars per share) Earnings Per Share, Diluted Shares of common stock outstanding not included in the computation of diluted EPS (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Weighted Average Weighted Average [Member] Branches Banking Branches Banking Branches Entity shares issued per acquiree share (in shares) Business Combination, Consideration Transferred, Equity Interests, Entity Shares Issued Per Acquiree Share Business Combination, Consideration Transferred, Equity Interests, Entity Shares Issued Per Acquiree Share Number of shares issued (in shares) Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Value of common stock issued Business Acquisition, Equity Interest Issued or Issuable, Value Assigned Cash paid for fractional shares Business Acquisition, Equity Interest Fractional Shares Issued, Amount Business Acquisition, Equity Interest Fractional Shares Issued, Amount Stock options total payment Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Merger expenses Business Combination, Acquisition Related Costs Fair value adjustment Gross amortized cost basis of acquired loans Amortization period Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Credit Adjustment, Amortization Period Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Credit Adjustment, Amortization Period Interest rate fair value adjustment on general pooled loans Certain Loans Acquired in Transfer Accounted for as Debt Securities, Interest Rate Fair Value Increase (Decrease) Certain Loans Acquired in Transfer Accounted for as Debt Securities, Interest Rate Fair Value Increase (Decrease) Credit fair value adjustment on general pooled loans Certain Loans Acquired in Transfer Accounted for as Debt Securities, Credit Fair Value Increase (Decrease) Certain Loans Acquired in Transfer Accounted for as Debt Securities, Credit Fair Value Increase (Decrease) Expected term of acquired loans Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Expected Term of Loans Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Expected Term of Loans Premium Business Acquisition, Premium Purchase, Price Premium Business Acquisition, Premium Purchase, Price Premium Amortization period Property, Plant and Equipment, Useful Life Useful life Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Time deposit discount Time Deposit, Discount Time Deposit, Discount Life of deposits Maturity of Time Deposits Acquired borrowings carrying value Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities Acquired at a discount Business Acquisition, Discount Purchase, Price Discount Business Acquisition, Discount Purchase, Price Discount Weighted average interest rate Debt, Weighted Average Interest Rate Fair value adjustment Long-term Debt, Fair Value Statement of Financial Position [Abstract] Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Common stock, shares authorized (in shares) Common Stock, Shares Authorized Common stock, shares issued (in shares) Common Stock, Shares, Issued Common stock, shares outstanding (in shares) Segment Reporting [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Banking and Financial Services Insurance Services Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Net interest income from external sources Interest Income (Expense), Net Other income from external sources Noninterest Income Depreciation and amortization Depreciation, Depletion and Amortization Income before income taxes Income tax expense Income Tax Expense (Benefit) Total assets Assets Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Certain executive officers, directors and their affiliates Management [Member] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Legal services Legal Services [Member] Legal Services [Member] Appraisal services Appraisal Services [Member] Appraisal Services [Member] Rent expense Rent Expense [Member] Rent Expense [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Deposits Expenses from related parties Related Party Transaction, Expenses from Transactions with Related Party Less Than Twelve Months, Fair Value Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value Less Than Twelve Months, Gross Unrealized Losses Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Twelve Months or More, Fair Value Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value Twelve Months or More, Gross Unrealized Losses Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Total, Fair Value Total, Gross Unrealized Losses Summary Of Financial Assets Measured On A Recurring Basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] Summary Of Financial Assets Measured On A Nonrecurring Basis Fair Value Measurements, Nonrecurring [Table Text Block] Qualitative Information About Level 3 Fair Value Measurements Fair Value Inputs, Assets, Quantitative Information [Table Text Block] Estimated Fair Values Of Financial Instruments Fair Value, by Balance Sheet Grouping [Table Text Block] SEGMENT REPORTING Segment Reporting Disclosure [Text Block] Measurement Basis [Axis] Measurement Basis [Axis] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Portion at Fair Value Measurement [Member] Portion at Fair Value Measurement [Member] Carrying Amount Reported Value Measurement [Member] Fair Value Estimate of Fair Value Measurement [Member] Financial assets: Assets, Fair Value Disclosure [Abstract] Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Time deposits with other banks Time Deposits Fair Value Time Deposits Fair Value Securities held to maturity Other Bank Stock Investment In Other Bank Stock, Fair Value Disclosure Investment In Other Bank Stock, Fair Value Disclosure Loans receivable, net of allowance Loans Receivable, Fair Value Disclosure Accrued interest receivable Retained Interest, Fair Value Disclosure Gross Amounts Recognized Derivative Asset, Fair Value, Gross Asset Financial liabilities: Liabilities, Fair Value Disclosure [Abstract] Non-maturity deposits Non Maturity Deposits Fair Value Disclosure Non Maturity Deposits Fair Value Disclosure Time deposits Time deposits, fair value disclosure Time deposits, fair value disclosure Short-term borrowings Short-term Debt, Fair Value Long-term borrowings Subordinated debentures Junior Subordinated Debentures Fair Value Junior Subordinated Debentures Fair Value Accrued interest payable Accrued Liabilities, Fair Value Disclosure ACQUISITIONS Mergers, Acquisitions and Dispositions Disclosures [Text Block] Statement of Cash Flows [Abstract] Cash Flows from Operating Activities Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments 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] Provision for loan losses Provision for Loan and Lease Losses Depreciation and amortization Net amortization of securities premiums and discounts Accretion (Amortization) of Discounts and Premiums, Investments Amortization of subordinated debt costs Amortization of Debt Issuance Costs Net realized (gain) loss on sale of securities Gain (Loss) on Sale of Securities, Net Net realized (gain) loss on sale and disposal of premises and equipment Gain (Loss) on Disposition of Assets Net realized (gain) loss on sale of foreclosed real estate Gains (Losses) on Sales of Other Real Estate Write-downs of and provisions for foreclosed real estate Impairment of Real Estate Deferred income tax (benefit) expense Increase (Decrease) in Deferred Income Taxes Earnings on bank-owned life insurance Bank Owned Life Insurance Income Compensation expense for stock options and stock awards Share-based Compensation (Increase) decrease in assets: Increase (Decrease) in Operating Capital [Abstract] Accrued interest receivable Increase (Decrease) in Accrued Interest Receivable, Net Other assets Increase (Decrease) in Other Operating Assets Increase in accrued interest payable and other liabilities Increase in accrued interest payable and other liabilities Increase in Accrued Interest Payable and Other 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] Net cash acquired in acquisitions Cash Acquired from Acquisition Securities available for sale: Available-for-sale Securities [Abstract] Purchases Payments to Acquire Available-for-sale Securities Sales Proceeds from Sale of Available-for-sale Securities Maturities, calls and principal repayments Proceeds from Maturities, Prepayments and Calls of Available-for-sale Securities Securities held to maturity: Securities Held to Maturity [Abstract] Securities Held to Maturity [Abstract] Purchases Payments to Acquire Trading Securities Held-for-investment Maturities, calls and principal repayments Proceeds from Maturities, Prepayments and Calls of Held-to-maturity Securities Net increase in loans Payments for (Proceeds from) Loans and Leases Proceeds from the sale of foreclosed real estate Proceeds from Sale of Foreclosed Assets Purchases of bank premises and equipment Payments to Acquire Property, Plant, and Equipment Proceeds from the sale of premises and equipment Proceeds from Sale of Property, Plant, and Equipment Purchases of bank owned life insurance Payment to Acquire Life Insurance Policy, Investing Activities Net (increase) in Federal Home Loan Bank stock Payments for (Proceeds from) Federal Home Loan Bank Stock Net Cash Used in Investing Activities Net Cash Provided by (Used in) Investing Activities Cash Flows from Financing Activities Net Cash Provided by (Used in) Financing Activities [Abstract] Net increase in deposits Increase (Decrease) in Deposits Net increase (decrease) in short-term borrowed funds Proceeds from (Repayments of) Short-term Debt Repayment of long-term borrowings Repayments of Long-term Debt Net proceeds from capital raise Proceeds Of Capital Raise Proceeds Of Capital Raise Dividends paid Payments of Dividends Net Cash Provided by Financing Activities Net Cash Provided by (Used in) Financing Activities Net Increase in Cash and Cash Equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and Cash Equivalents - Beginning Cash, Cash Equivalents, and Federal Funds Sold Cash and Cash Equivalents - Ending Supplementary Cash Flows Information Supplemental Cash Flow Information [Abstract] Interest paid Interest Paid, Net Income taxes paid Income Taxes Paid, Net Supplementary Schedule of Noncash Investing and Financing Activities Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Foreclosed real estate acquired in settlement of loans Fair Value of Assets Acquired Other real estate owned transferred from fixed assets Real Estate Owned, Transfer to Real Estate Owned Acquisitions of Community and Enterprise: Noncash or Part Noncash Acquisition, Net Nonmonetary Assets Acquired (Liabilities Assumed) [Abstract] Non-cash assets acquired: Noncash or Part Noncash Acquisition, Value of Assets Acquired [Abstract] Other bank stock Noncash Or Part Noncash Acquisition, Other Bank Stock Acquired Noncash Or Part Noncash Acquisition, Other Bank Stock Acquired Securities available for sale Noncash Or Part Noncash Acquisition, Available-For-Sale Securities Acquired Noncash Or Part Noncash Acquisition, Available-For-Sale Securities Acquired Loans Noncash Or Part Noncash Acquisition, Loans Acquired Noncash Or Part Noncash Acquisition, Loans Acquired Foreclosed real estate Noncash Or Part Noncash Acquisition, Real Estate Acquired Through Foreclosure Noncash Or Part Noncash Acquisition, Real Estate Acquired Through Foreclosure Premises and equipment Noncash or Part Noncash Acquisition, Fixed Assets Acquired Interest receivable Noncash Or Part Noncash Acquisition, Interest Receivable Acquired Noncash Or Part Noncash Acquisition, Interest Receivable Acquired Bank owned life insurance Noncash Or Part Noncash Acquisition, Bank Owned Life Insurance Acquired Noncash Or Part Noncash Acquisition, Bank Owned Life Insurance Acquired Goodwill and intangibles assets Noncash or Part Noncash Acquisition, Intangible Assets Acquired Other assets Noncash or Part Noncash Acquisition, Other Assets Acquired Total non-cash assets acquired Noncash or Part Noncash Acquisition, Value of Assets Acquired Liabilities assumed: Noncash or Part Noncash Acquisition, Value of Liabilities Assumed [Abstract] Deposits Noncash Or Part Noncash Acquisition, Deposits Assumed Noncash Or Part Noncash Acquisition, Deposits Assumed Borrowings Noncash or Part Noncash Acquisition, Debt Assumed Other liabilities Noncash or Part Noncash Acquisition, Other Liabilities Assumed Total liabilities assumed Noncash or Part Noncash Acquisition, Value of Liabilities Assumed Common stock issued for acquisitions Noncash Or Part Noncash Acquisition, Noncash Financial Or Equity Instrument Consideration, Shares Issued, Value Noncash Or Part Noncash Acquisition, Noncash Financial Or Equity Instrument Consideration, Shares Issued, Value Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] March 15, 2016 Derivative Effective Date March152016 [Member] Derivative Effective Date March 15, 2016 [Member] December 15, 2016 Derivative Effective Date December152016 [Member] Derivative Effective Date December 15, 2016 [Member] June 15, 2017 Derivative Effective Date June152017 [Member] Derivative Effective Date June 15, 2017 [Member] December 15, 2017 Derivative Effective Date December152017 Contract1 [Member] Derivative Effective Date December 15, 2017 Contract 1 [Member] December 15, 2017 Derivative Effective Date December152017 Contract2 [Member] Derivative Effective Date December 15, 2017 Contract 2 [Member] September 15, 2018 Derivative Effective Date September 15, 2018 Contract 1 [Member] Derivative Effective Date September 15, 2018 Contract 1 [Member] September 15, 2018 Derivative Effective Date September 15, 2018 Contract 2 [Member] Derivative Effective Date September 15, 2018 Contract 2 [Member] September 15, 2018 Derivative Effective Date September 15, 2018 Contract 3 [Member] Derivative Effective Date September 15, 2018 Contract 3 [Member] September 15, 2018 Derivative Effective Date September 15, 2018 Contract 4 [Member] Derivative Effective Date September 15, 2018 Contract 4 [Member] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Derivatives designated as hedging instruments Interest rate swaps by effective date Designated as Hedging Instrument [Member] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Notional/ Contract Amount Derivative, Notional Amount Derivative Liability Derivative Liability Fair Value Derivative Asset Condensed Balance Sheet Statement [Table] Condensed Balance Sheet Statement [Table] Consolidated Entities [Axis] Consolidated Entities [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] Parent Company Parent Company [Member] Condensed Balance Sheet Statements, Captions [Line Items] Condensed Balance Sheet Statements, Captions [Line Items] Assets Assets [Abstract] Cash Cash and Cash Equivalents, at Carrying Value Interest-bearing deposits with other banks Interest-bearing Deposits with Other Banks Interest-bearing deposits with other banks. Investment in subsidiary Parent Company Investment In Subsidiary Parent Company Investment In Subsidiary Accrued interest and other assets Interest Receivable and Other Assets Total Assets Liabilities and Stockholders' Equity Liabilities and Equity [Abstract] Other liabilities Other Liabilities Long-term borrowings Long-term Debt Subordinated debentures Junior Subordinated Notes Stockholders' equity Total Liabilities and Stockholders' Equity Liabilities and Equity Schedule Of Future Minimum Lease Payments Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] PREMISES AND EQUIPMENT Property, Plant and Equipment Disclosure [Text Block] Federal Home Loan Bank Branch [Axis] Federal Home Loan Bank Branch [Axis] Federal Home Loan Bank Branch [Domain] Federal Home Loan Bank Branch [Domain] FHLBNY Federal Home Loan Bank of New York [Member] Counterparty Name [Axis] Counterparty Name [Axis] Counterparty Name [Domain] Counterparty Name [Domain] ACBB Atlantic Central Bankers Bank [Member] Atlantic Central Bankers Bank [Member] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] Federal Funds Rate Federal Funds Rate [Member] Federal Funds Rate [Member] Line of credit, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Pledged assets Loans Pledged as Collateral Line of credit facility, remaining borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Amount of short term advances at the FHLBNY Federal Home Loan Bank, Advances, Branch of FHLB Bank, Amount of Advances FHLBY interest rate Federal Home Loan Bank, Advances, Branch of FHLB Bank, Interest Rate Long-term fixed rate advances Long-term Line of Credit Summary Of Financial Instrument Commitments Schedule of Fair Value, Off-balance Sheet Risks [Table Text Block] Summary of Estimated Fair Value of Acquired Assets and Liabilities Assumed Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Summary of Fair Value Adjustments to Amortized Cost Basis of Loans Acquired Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Table Text Block] Pro Forma Business Acquisition Information Business Acquisition, Pro Forma Information [Table Text Block] Schedule of Deferred Compensation Arrangement with Individual, Share-based Payments [Table] Schedule of Deferred Compensation Arrangement with Individual, Share-based Payments [Table] Retirement Plan Name [Axis] Retirement Plan Name [Axis] Retirement Plan Name [Domain] Retirement Plan Name [Domain] 401 (k) Plan Plan401 K [Member] 401 K Plan [Member] Supplemental Plans Supplemental Plans [Member] Supplemental Plans [Member] Incentive Plan Incentive Plan [Member] Incentive Plan [Member] DCA Director Compensation Arrangement [Member] Director Compensation Arrangement [Member] Retirement Plan Type [Axis] Retirement Plan Type [Axis] Retirement Plan Type [Domain] Retirement Plan Type [Domain] SERP Supplemental Employee Retirement Plan [Member] Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items] Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items] Maximum annual salary contribution for non-highly compensated employees Defined Contribution Plan Maximum Non-Highly Compensated Employee Contribution Percent Maximum employee contribution percent for non-highly compensated employees who participate in the employee's defined contribution plan. Maximum annual salary contribution for highly compensated employees Defined Contribution Plan Maximum Highly Compensated Employee Contribution Percent Maximum employee contribution percent for highly compensated employees who participate in the employee's defined contribution plan. Employer's percentage match of employee's match percentage Defined Contribution Plan Employer Matching Contribution Match Percentage Percentage of employee's contribution percentage of gross pay, matched by the employer. Percentage of employee's annual salary that is matched by the employer Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay Amount charged to expense under 401(k) plan Defined Contribution Plan, Cost Salary Continuation Plan charged to expense Postemployment Benefits, Period Expense Carrying value of deferred compensation Deferred Compensation Liability, Current and Noncurrent Maximum earnings rate on deferred compensation, percentage of stock price Maximum earnings rate on deferred compensation, percentage of stock price Maximum earnings rate on deferred compensation, percentage of stock price Period over which benefits will be paid Deferred Compensation Arrangement Distribution Period Deferred Compensation Arrangement Distribution Period SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Qualitative and Quantitative Information, Transferor's Continuing Involvement [Table] Qualitative and Quantitative Information, Transferor's Continuing Involvement [Table] Asset Class [Axis] Asset Class [Axis] Fair Value by Asset Class [Domain] Asset Class [Domain] Impaired loans Impaired Loans [Member] Impaired Loans [Member] Foreclosed real estate Foreclosed Real Estate [Member] Foreclosed Real Estate [Member] Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items] Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items] Fair Value Estimate Assets, Fair Value Disclosure, Nonrecurring Range (Weighted Average) Fair Value Measurements Percentage Of Appraisal Fair Value Measurements Percentage Of Appraisal Condensed Cash Flow Statement [Table] Condensed Cash Flow Statement [Table] Condensed Cash Flow Statements, Captions [Line Items] Condensed Cash Flow Statements, Captions [Line Items] Net change in other assets and liabilities Increase (Decrease) in Other Operating Assets and Liabilities, Net Equity in undistributed net income of subsidiaries Cash Effect Of Equity In Undistributed Earnings Of Banking Subsidiary Cash Effect Of Equity In Undistributed Earnings Of Banking Subsidiary Capital contribution from to subsidiaries Payments to Acquire Additional Interest in Subsidiaries Cash dividends paid Net proceeds from issuance of common stock Proceeds from Issuance of Common Stock Repayment of long-term borrowings Cash and Cash Equivalents - Beginning of Year Cash and Cash Equivalents - End of Year Federal Home Loan Bank, Advances, Option [Axis] Federal Home Loan Bank, Advances, Option [Axis] Federal Home Loan Bank, Advances, Option [Domain] Federal Home Loan Bank, Advances, Option [Domain] Putable Option Federal Home Loan Bank, Advances, Putable Option [Member] January 16, 2018 Borrowings Due January [Member] Borrowings Due January July 17, 2018 Borrowings Due July [Member] Borrowings Due July September 19, 2018 Borrowings Due September [Member] Borrowings Due September January 8, 2019 Borrowings Due January Two [Member] Borrowings Due January Two February 4, 2019 Borrowings Due February [Member] Borrowings Due February February 8, 2019 Borrowings Due February Two [Member] Borrowings Due February Two March 18, 2019 Borrowings Due March [Member] Borrowings Due March April 8, 2019 Borrowings Due April [Member] Borrowings Due April May 30, 2019 Borrowings Due May [Member] Borrowings Due May May 7, 2019 Borrowings Due May Two [Member] Borrowings Due May Two June 12, 2019 Borrowings Due June [Member] Borrowings Due June July 30, 2019 Borrowings Due July Two [Member] Borrowings Due July Two August 2, 2019 Borrowings Due August [Member] Borrowings Due August September 30, 2019 Borrowings Due September Two [Member] Borrowings Due September Two October 30, 2019 Borrowings Due October [Member] Borrowings Due October November 8, 2019 Borrowings Due November [Member] Borrowings Due November December 9, 2019 Borrowings Due December [Member] Borrowings Due December January 15, 2020 Borrowings Due January Three [Member] Borrowings Due January Three March 9, 2020 Borrowings Due March Two [Member] Borrowings Due March Two May 7, 2020 Borrowings Due May Three [Member] Borrowings Due May Three May 7, 2020 Borrowings Due May Four [Member] Borrowings Due May Four June 12, 2020 Borrowings Due June Two [Member] Borrowings Due June Two June 15, 2020 Borrowings Due June Three [Member] Borrowings Due June Three July 14, 2020 Borrowings Due July Three [Member] Borrowings Due July Three July 14, 2020 Borrowings Due July Four [Member] Borrowings Due July Four September 8, 2020 Borrowings Due September Three [Member] Borrowings Due September Three October 5, 2020 Borrowings Due October Two [Member] Borrowings Due October Two December 23, 2020 Borrowings Due December Two [Member] Borrowings Due December Two January 20, 2021 Borrowings Due January Four [Member] Borrowings Due January Four March 23, 2021 Borrowings Due March Three [Member] Borrowings Due March Three June 23, 2021 Borrowings Due June Four [Member] Borrowings Due June Four Fair value adjustment on acquired borrowings Securities Borrowed, Fair Value Disclosure Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table] Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table] Exercise Price Range [Axis] Exercise Price Range [Axis] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] Exercise Price $9.97 Exercise Price Four [Member] Exercise Price Four [Member] Exercise Price $10.25 Exercise Price Six [Member] Exercise Price Six [Member] Exercise Price $12.63 Exercise Price Five [Member] Exercise Price Five [Member] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] Exercise Price (in dollars per share) Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit Number Outstanding (in shares) Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options Weighted Average Remaining Life (Years) Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term Number Exercisable (in shares) Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options Current: Current Federal, State and Local, Tax Expense (Benefit) [Abstract] Federal Current Federal Tax Expense (Benefit) State Current State and Local Tax Expense (Benefit) Total current income tax expense Current Income Tax Expense (Benefit) Deferred: Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal Deferred Federal Income Tax Expense (Benefit) State Deferred State and Local Income Tax Expense (Benefit) Total deferred income tax expense Deferred Income Tax Expense (Benefit) Income tax expense, total Principles of Consolidation Consolidation, Policy [Policy Text Block] Organization and Nature of Operations Nature of Operations [Text Block] Estimates Use of Estimates, Policy [Policy Text Block] Business Combinations Business Combinations Policy [Policy Text Block] Significant Group Concentrations of Credit Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Securities Marketable Securities, Policy [Policy Text Block] Federal Home Loan Bank Stock Federal Home Loan Bank Stock [Policy Text Block] Federal Home Loan Bank Stock [Policy Text Block] Loans Receivable Finance, Loan and Lease Receivables, Held-for-investment, Policy [Policy Text Block] Allowance for Loan Losses Loans and Leases Receivable, Allowance for Loan Losses Policy [Policy Text Block] Troubled Debt Restructurings ("TDR") Troubled Debt Restructurings [Policy Text Block] Troubled Debt Restructurings [Policy Text Block] Transfers of Financial Assets Transfers and Servicing of Financial Assets, Policy [Policy Text Block] Foreclosed Real Estate Finance, Loan and Lease Receivables, Held for Investments, Foreclosed Assets Policy [Policy Text Block] Premises and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Bank-owned Life Insurance (BOLI) Bank Owned Life Insurance [Policy Text Block] Bank Owned Life Insurance [Policy Text Block] Goodwill and intangible assets Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Advertising Costs Advertising Cost, Policy, Expensed Advertising Cost [Policy Text Block] Income Taxes Income Tax, Policy [Policy Text Block] Off-Balance Sheet Financial Instruments Off-Balance-Sheet Credit Exposure, Policy [Policy Text Block] Derivatives Derivatives, Policy [Policy Text Block] Stock Compensation Plans Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Earnings per Share Earnings Per Share, Policy [Policy Text Block] Comprehensive Income Comprehensive Income, Policy [Policy Text Block] Segment Reporting Segment Reporting, Policy [Policy Text Block] Insurance Agency Operations Insurance Agency Operations [Policy Text Block] Insurance Agency Operations [Policy Text Block] Subsequent Events Subsequent Events, Policy [Policy Text Block] New Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Deferred tax assets: Components of Deferred Tax Assets [Abstract] Allowance for loan losses Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Provision for Loan Losses Deferred compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits Deferred Fees Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities Foreclosed real estate Deferred Tax Assets, Tax Deferred Expense, Other Restricted stock Deferred Tax Assets, Restricted Stock Deferred Tax Assets, Restricted Stock Unrealized loss on securities available for sale Deferred Tax Assets, Unrealized Losses on Available-for-Sale Securities, Gross Other Deferred Tax Assets, Other Total deferred tax assets Deferred Tax Assets, Gross Deferred tax liabilities: Components of Deferred Tax Liabilities [Abstract] Depreciation Deferred Tax Liabilities, Property, Plant and Equipment Prepaid expenses Deferred Tax Liabilities, Prepaid Expenses Purchase accounting Deferred Tax Liabilities, Purchase Accounting Deferred Tax Liabilities, Purchase Accounting Unrealized gain on retirement benefit plan Deferred Tax Liabilities, Unrealized Gain On Defined Benefit Plan Deferred Tax Liabilities, Unrealized Gain On Defined Benefit Plan Unrealized gain on securities, available for sale Deferred Tax Liabilities, Unrealized Gains on Trading Securities Unrealized gain on interest rate swaps Deferred Tax Liabilities, Derivatives