Identified intangible assets, accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Collateral-dependent impaired loans and leases Impaired Loans [Member] Impaired Loans [Member] Schedule of Securities Available-for-Sale Securities Debt Securities, Available-for-Sale [Table Text Block] Award Timing Predetermined Award Timing Predetermined [Flag] Amortization of tax credit investments Investment Program, Proportional Amortization Method, Applied, Amortization Expense Entity File Number Entity File Number Additional Paid-in Capital Additional Paid-in Capital [Member] Tabular List, Table Tabular List [Table Text Block] Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Compensation under recognition and retention plans Restricted Stock or Unit Expense Payroll deposits accounts Deposits, Payroll Deposits Deposits, Payroll Deposits 600 and below Credit Score Equal to or below 660 [Member] Represents the credit score less than or equal to 660, which is provided by credit bureau score card model and is used in the underwriting process. Schedule of the Carrying Values and Estimated Fair Values Fair Value, by Balance Sheet Grouping [Table Text Block] Impairment losses recorded on tax equity investments Investment Program, Proportional Amortization Method, Elected, Impairment Loss Schedule of Offsetting Derivatives and Amounts Subject to Master Netting Agreements Not Offset in the Audited Consolidated Balance Sheet Schedule of Offsetting Assets and Liabilities [Table Text Block] Tabular disclosure of derivative and other financial assets and liabilities that are subject to offsetting, including master netting arrangements. Position [Axis] Position [Axis] Measurement Basis [Axis] Measurement Basis [Axis] Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Financing Receivable Portfolio Segment [Domain] Financing Receivable Portfolio Segment [Domain] Recoveries Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Recovery Adjustment to Compensation, Amount Adjustment to Compensation Amount Other assets Increase (Decrease) in Other Operating Assets Consolidation Consolidation, Policy [Policy Text Block] Employee Stock Option Share-Based Payment Arrangement, Option [Member] Estimated fair value of debt securities have right to call or prepay the obligations Certain Loans Acquired in Transfer Accounted for as Debt Securities Right to Call or Prepay the Obligations, Estimated Fair Value Represents the estimated fair value of debt securities that have right to call or prepay the obligations. Interest-bearing deposits: Interest-Bearing Deposit Liabilities, by Component [Abstract] Income taxes Income Taxes Paid Grantee Status [Domain] Grantee Status [Domain] Write-down of other repossessed assets Asset Impairment Charges Income tax (expense) benefit Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax Total stockholders' equity Beginning balance Ending balance Equity, Attributable to Parent Measurement Frequency [Axis] Measurement Frequency [Axis] Debt Securities, Available-for-Sale [Table] Debt Securities, Available-for-Sale [Table] Insider Trading Policies and Procedures [Line Items] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Financial assets: Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] Weighted Average Remaining Lease Term Weighted Average Remaining Lease Term [Abstract] Weighted Average Remaining Lease Term [Abstract] Recurring basis Fair Value, Recurring [Member] Time-based shares Time-based Awards [Member] Time-based Awards [Member] LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Equity [Abstract] Cover [Abstract] Cover [Abstract] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Maximum Maximum [Member] Borrowed funds: Long-Term Debt, Unclassified [Abstract] Total Finite-Lived Intangible Assets, Net AFS, debt securities, unrealized loss position Debt securities, available-for-sale, unrealized loss position Debt Securities, Available-for-Sale, Unrealized Loss Position Over 10 years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 10 Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Financing Receivable, Credit Quality Indicator [Table] Financing Receivable, Credit Quality Indicator [Table] Debt securities, unrealized gain (loss) Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain (Loss), before Tax Retirement Benefits [Abstract] Retirement Benefits [Abstract] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Term increase from modification Financing Receivable, Modified, Weighted Average Term Increase from Modification Income before provision for income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Revolving Loans Converted to Term Loans Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Weighted Average Rate Available-For-Sale Securities Debt Maturities Weighted Average Rate [Abstract] -- None. No documentation exists for this element. -- Net change in fair value of cash flow hedges, net of taxes Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Total interest expense Interest Expense, Operating Qualitative adjustments to models for credit risk, net Financing Receivable, Qualitative Adjustments To Models For Credit Risk, Net Financing Receivable, Qualitative Adjustments To Models For Credit Risk, Net Individually evaluated, allowance for loan and lease losses Financing Receivable, Allowance for Credit Loss, Individually Evaluated Document Fiscal Period Focus Document Fiscal Period Focus Receive fixed, pay variable Loan Level Derivative, Receive Fixed Pay Variable [Member] Loan Level Derivative, Receive Fixed Pay Variable [Member] Total goodwill and other intangible assets Intangible Assets, Net (Including Goodwill) Real estate taxes Real Estate Tax Expense Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Award Timing Method Award Timing Method [Text Block] Non-accrual Financing Receivable, Excluding Accrued Interest, Nonaccrual Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, after Allowance for Credit Loss Award Type [Axis] Award Type [Axis] Tax Equity Investments Investment Program, Proportional Amortization Method, Elected [Text Block] Within 1 year Debt Securities, Available-for-Sale, Weighted Average Yield, Maturity, Year One Trading Symbol Trading Symbol 2030 Lessee, Operating Lease, Liability, to be Paid, Year Four Over 10 years Debt Securities, Available-for-Sale, Weighted Average Yield, Maturity, after Year 10 Schedule of Goodwill and Other Intangible Assets Schedule of Intangible Assets and Goodwill [Table Text Block] Loan Modified [Domain] Loan Modified [Domain] Loan Modified [Domain] Accrued expenses and other liabilities Accrued Liabilities and Other Liabilities Entity Address, City or Town Entity Address, City or Town Cash paid for amounts included in the measurement of lease liabilities: Cash Flow, Lessee [Abstract] Cash Flow, Lessee [Abstract] Class of Financing Receivable [Axis] Class of Financing Receivable [Axis] Notional Amount Maturing, Less than 3 years Derivative, Notional Amount Maturing In Three Years Derivative, Notional Amount Maturing In Three Years Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Schedule of Loan Commitments [Table] Schedule Of Loan Commitments [Table] Discloses the specific components of the outstanding commitments to originate loans. Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Emerging Growth Entity Emerging Growth Company Net change in: Increase (Decrease) in Operating Assets [Abstract] Liabilities, Gross Amounts Not Offset in the Statement of Financial Position, Cash Collateral Pledged Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Not Offset After 1 year through 5 years Debt Securities, Available-for-Sale, Weighted Average Yield, Maturity, after Year One Through Five Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Unfunded commitments Unfunded Loan Commitment [Member] Non-interest income, fees Revenue from Contract with Customer, Including Assessed Tax Total, estimated fair value Available-For-Sale And Held-To-Maturity Securities, Continuous Unrealized Loss Position, Fair Value Available-For-Sale And Held-To-Maturity Securities, Continuous Unrealized Loss Position, Fair Value Total non-interest income Noninterest Income Non-interest expense: Noninterest Expense [Abstract] Cash and due from banks Cash and Due from Banks Tax credit and other tax benefit (expense) Investment Program, Proportional Amortization Method, Elected, Income Tax Credit and Other Income Tax Benefit, before Amortization Expense Class of Financing Receivable [Domain] Class of Financing Receivable [Domain] Past Due Greater Than 90 Days and Accruing Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing Shares issued upon satisfaction of required conditions of the Plans (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Financing Receivable by Credit Score [Domain] Financing Receivable by Credit Score [Domain] Credit score related to financing receivables prescribed by credit bureau score card model. Schedule of Estimated Aggregate Future Amortization Expense for Intangible Assets Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Financing receivable, modified, weighted average interest rate decrease from modification Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification Pledged Status [Domain] Pledged Status [Domain] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Provision for income taxes Income Tax Expense (Benefit) Certificate of deposit accounts Interest-Bearing Domestic Deposit, Certificates of Deposits Other assets Other Assets Beginning balance Ending balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Designated as hedging instrument Designated as Hedging Instrument [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Net change in fair value of cash flow hedges Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Operating leases assets Right-of-Use Asset Obtained in Exchange for Operating Lease Assets Right-of-Use Asset Obtained in Exchange for Operating Lease Assets Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Additions Goodwill, Acquired During Period All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Net cash (used for) provided from operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Accretion of premiums and discounts and deferred loan and lease origination costs, net Accretion (Amortization) Of Discounts And Premiums, Deferred Loan And Lease Origination Costs, Net Accretion (Amortization) Of Discounts And Premiums, Deferred Loan And Lease Origination Costs, Net Benefit (expense) included in provision for income taxes Equity Method Investments and Joint Ventures [Abstract] Loan fees Financial Service, Other [Member] Investment securities available-for-sale Estimated Fair Value Investment securities available-for-sale Total Debt Securities, Available-for-Sale, Excluding Accrued Interest Proceeds from sales of other repossessed assets Proceeds from Sale of Other Real Estate Sales Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales Net interest income Interest Income (Expense), Operating Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Liabilities, Gross Amounts Recognized Derivatives Derivative Liability, Subject to Master Netting Arrangement, before Offset Remainder of 2026 Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year Schedule of Investments [Abstract] Equity Components [Axis] Equity Components [Axis] Wealth management fees Wealth Management Fees [Member] Wealth Management Fees Year four Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] 2026 Investment Program, Proportional Amortization Method, Elected, Remainder of Fiscal Year Investment Program, Proportional Amortization Method, Elected, Remainder of Fiscal Year Number of reportable segments Number of Reportable Segments Stock Based Compensation Compensation and Employee Benefit Plans [Text Block] Commercial real estate Commercial Real Estate [Member] Entity Address, State or Province Entity Address, State or Province Substandard Substandard [Member] Total interest and dividend income Interest and Dividend Income, Operating Financial Asset, Period Past Due [Domain] Financial Asset, Aging [Domain] OAEM Special Mention [Member] GSE CMOs Collateralized Mortgage Obligations Issued by US Government Sponsored Enterprises [Member] Securities collateralized by mortgage obligations issued by U.S. government sponsored enterprises. Common stock dividends Dividends, Common Stock Individual: Individual [Axis] Payment of dividends on common stock Payments of Ordinary Dividends, Common Stock Number of days past due to be placed in nonaccrual status Debt Securities, Available-For-Sale, Number Of Days Loans Past Due Placed On Non Accrual Status Debt Securities, Available-For-Sale, Number Of Days Loans Past Due Placed On Non Accrual Status Net investment securities Total Securities, Net Total Securities, Net 61-90 days past due Financing Receivables, 61 to 90 Days Past Due [Member] Financing Receivables, 61 to 90 Days Past Due [Member] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Notional Amount Maturing, Less than 1 year Derivative, Notional Amount Maturing In Next Twelve Months Derivative, Notional Amount Maturing In Next Twelve Months Entity Interactive Data Current Entity Interactive Data Current Current-period gross writeoffs Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] Financing Receivable, Troubled Debt Restructuring [Line Items] Financing Receivable, Modified [Line Items] Home equity Home Equity Home Equity Line of Credit [Member] Interest and dividend income: Interest and Dividend Income, Operating [Abstract] Total non-interest expense Noninterest Expense Less than twelve months, unrealized losses Available-For-Sale And Held-To-Maturity Securities, Continuous Unrealized Loss Position, Less Than 12 Months, Accumulated Loss Available-For-Sale And Held-To-Maturity Securities, Continuous Unrealized Loss Position, Less Than 12 Months, Accumulated Loss Significant Payment Delays: Payment Deferral [Member] Allowance for Credit Losses Allowance for Credit Losses [Text Block] Unused lines of credit: Line of Credit Facility Remaining Borrowing Capacity [Abstract] -- None. No documentation exists for this element. -- Non-interest income: Noninterest Income [Abstract] Multi-family mortgage Multi-Family Mortgage Commercial Real Estate Multi Family Receivable [Member] Class of financing receivables related to commercial real estate that is for multi-family purposes. Restricted equity securities Interest and Dividend Income, Restricted Equity Securities Interest and Dividend Income, Restricted Equity Securities Entity Central Index Key Entity Central Index Key PEO Name PEO Name Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Summary of carrying values and estimated fair values Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Schedule of the Recorded Investments by Credit Quality Indicator, by Loan Class Financing Receivable Credit Quality Indicators [Table Text Block] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Total delayed equity contributions Total delayed equity contributions Investment Program, Proportional Amortization Method, Elected, Commitment Tranche one Share-Based Payment Arrangement, Tranche One [Member] Exercise Price Award Exercise Price Other commercial Line of Credit Facility Remaining Borrowing Capacity for Other Commercial Amount of borrowing capacity currently available under the other commercial facility (current borrowing capacity less the amount of borrowings outstanding). US Government Sponsored Enterprises US Government Sponsored Enterprises Debt Securities Excluding Specified Securities [Member] US Government Sponsored Enterprises Debt Securities Excluding Specified Securities [Member] Entity Filer Category Entity Filer Category Transfer from loans to other repossessed assets Real Estate Owned, Transfer from Real Estate Owned Buys foreign currency, sells U.S. currency Long [Member] 2029 Finite-Lived Intangible Asset, Expected Amortization, Year Three Vesting [Domain] Vesting [Domain] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Entity Address, Address Line One Entity Address, Address Line One Unadvanced portion of loans and leases Commitments To Unadvanced Portion Of Loans The outstanding commitments to unadvanced portion of loans as of the balance sheet date. Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Allowance for credit loss, start of revision, period from forecast start date Allowance For Credit Loss, Start of Revision, Period From Forecast Start Date Allowance For Credit Loss, Start of Revision, Period From Forecast Start Date Investments [Domain] Investments [Domain] Revolving Loans Converted to Term Loans Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan, Writeoff Internal Credit Assessment [Axis] Internal Credit Assessment [Axis] Internal Credit Assessment [Domain] Internal Credit Assessment [Domain] Derivatives and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] Total Total [Member] Total [Member] Compensation under recognition and retention plans APIC, Share-Based Payment Arrangement, Recognition and Exercise Fair Value as of Grant Date Award Grant Date Fair Value Income tax (expense) benefit Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax Impaired Loans and Leases Financing Receivable, Impaired [Line Items] Year five Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year Compensation and employee benefits Labor and Related Expense 31-60 days past due Financing Receivables, 31 to 60 Days Past Due [Member] Financing Receivables, 31 to 60 Days Past Due [Member] Document Quarterly Report Document Quarterly Report Less than twelve months, estimated fair value Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Deferred income tax expense Deferred Income Taxes and Tax Credits Schedule of Quantitative Information About Significant Unobservable Inputs (Level 3) for Assets Measured at Fair Value on a Recurring Basis Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] After 5 years through 10 years Debt Securities, Available-for-Sale, Weighted Average Yield, Maturity, after Year 5 Through 10 2028 Lessee, Operating Lease, Liability, to be Paid, Year Two Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Investment Type [Axis] Investment Type [Axis] Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Non-PEO NEO Non-PEO NEO [Member] Position [Domain] Position [Domain] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] 61-90 Days Past Due Financial Asset, 61 to 90 Days Past Due [Member] Financial Asset, 61 to 90 Days Past Due Gross Unrealized Gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Award Type [Domain] Award Type [Domain] 2027 Lessee, Operating Lease, Liability, to be Paid, Year One Change in fair value of cash flow hedges Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Equity Awards Adjustments Equity Awards Adjustments [Member] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Allowance for credit loss, completion of revision, period from forecast start date Allowance For Credit Loss, Completion of Revision, Period From Forecast Start Date Allowance For Credit Loss, Completion of Revision, Period From Forecast Start Date Net decrease in loans and leases Payments For (Proceeds from) Other Loans Receivable Payments For (Proceeds from) Other Loans Receivable Compensation Amount Outstanding Recovery Compensation Amount Foreign exchange contracts Foreign exchange contracts Foreign exchange contracts Foreign Exchange Contract [Member] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Estimated Fair Value Estimate of Fair Value Measurement [Member] Investment Securities Schedule of Investments [Line Items] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] After 1 year through 5 years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five Loan Commitments by Nature of Commitments [Axis] Loan Commitments By Nature Of Commitments [Axis] Quantifies and describes each commitment that exists as of the balance sheet date, by nature of the probable or possible commitment incurred. Deposit fees Deposit Account [Member] Age analysis of past due loans Financing Receivable, Past Due [Line Items] After 5 years through 10 years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Liabilities, Gross Amounts Not Offset in the Statement of Financial Position, Financial Instruments Pledged Derivative Liability, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset Investment, proportional amortization method, elected, amount Investment, Proportional Amortization Method, Elected, Amount Accumulated other comprehensive (loss) income Accumulated Other Comprehensive Income (Loss), Net of Tax Financial Instruments [Domain] Financial Instruments [Domain] Purchases Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Schedule of Hedged Forecasted Transaction Affects Earnings Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Purchase of restricted equity securities Payments to Acquire Restricted Investments Number of Loans Financing Receivable, Number Of Loans Modified Financing Receivable, Number Of Loans Modified Net reclassification adjustment for change in fair value of cash flow hedges Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Loan level derivatives Loan level derivatives Loan Level Derivative [Member] Loan Level Derivative [Member] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Minimum Minimum [Member] Net interest income after provision for credit losses Interest Income (Expense), after Provision for Loan Loss Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Company Selected Measure Name Company Selected Measure Name Fair Value Measurement [Domain] Fair Value Measurement [Domain] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Received Fixed Swap Rate Derivative, Average Swaption Interest Rate Operating cash flows for operating leases Operating Lease, Payments Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Collateral Held [Domain] Collateral Held [Domain] Goodwill [Roll Forward] Goodwill [Roll Forward] Tranche Two Share-Based Payment Arrangement, Tranche Two [Member] Diluted (in shares) Adjusted weighted average shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Segment Reporting Segment Reporting, Policy [Policy Text Block] 2028 Investment Program, Proportional Amortization Method, Elected, Year Two Investment Program, Proportional Amortization Method, Elected, Year Two Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Home equity Home Equity Loan [Member] Entity Small Business Entity Small Business Average Maturity Derivative, Average Remaining Maturity Document Transition Report Document Transition Report After 1 year through 5 years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Underlying Securities Award Underlying Securities Amount Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Total temporarily impaired investment securities Debt Securities, Available-for-Sale and Held-to-Maturity, after Allowance for Credit Loss [Abstract] Assets, Net Amount Derivative Asset, Including Not Subject to Master Netting Arrangement, after Offset and Deduction Document Type Document Type Level 3 Fair Value, Inputs, Level 3 [Member] EPS Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Advertising and marketing Marketing and Advertising Expense Product and Service [Axis] Product and Service [Axis] Advances from the FHLB Long-Term Federal Home Loan Bank Advances Revolving Loans Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff Over 700 Credit Score Greater than 700 [Member] Represents the credit score greater than 700, which is provided by credit bureau score card model and is used in the underwriting process. Less than twelve months, estimated fair value Available-For-Sale And Held-To-Maturity Securities, Continuous Unrealized Loss Position, Less Than Twelve Months, Fair Value Available-For-Sale And Held-To-Maturity Securities, Continuous Unrealized Loss Position, Less Than Twelve Months, Fair Value Statistical Measurement [Axis] Statistical Measurement [Axis] Year two Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff Quantitative information for Level 3 Fair Value Measurements Assets Fair Value Measurement Inputs and Valuation Techniques [Line Items] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Proceeds from FHLB advances Proceeds from FHLBank Borrowings, Financing Activities Schedule of Gain (Loss) of Derivatives Derivative Instruments, Gain (Loss) [Table Text Block] Level 1 Fair Value, Inputs, Level 1 [Member] Repayment of FHLB advances Payments of FHLBank Borrowings, Financing Activities Diluted (in dollars per share) Diluted EPS (in dollars per share) Earnings Per Share, Diluted FDIC insurance Federal Deposit Insurance Corporation Premium Expense After 5 years through 10 years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Changes in accumulated other comprehensive (loss) income by component, net of tax AOCI Attributable to Parent, Net of Tax [Roll Forward] Amortized Cost Financing Receivable, Excluding Accrued Interest, Modified in Period, Amount Commercial Commercial Commercial Loan [Member] Treasury stock, shares (in shares) Treasury Stock, Common, Shares Deposits Interest Expense, Deposits, Excluding Brokered Deposits The cost of borrowed funds accounted for as interest that was charged against deposits, excluding brokered deposits, during the period. Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Loan Commitments, Nature [Domain] Loan Commitments, Nature [Domain] An existing condition, situation, or set of circumstances involving uncertainty as to possible commitments to an enterprise that will ultimately be resolved when one or more future events occur or fail to occur. Core deposits Core Deposits [Member] Maturity Extension: Extended Maturity [Member] Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Axis] Less imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Net benefit (expense) included in provision for income taxes Investment Program, Proportional Amortization Method, Elected, Income Tax Credit and Other Income Tax Benefit, after Amortization Expense 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Two Total Lessee, Operating Lease, Liability, to be Paid Net unrealized securities holding gains (losses) before reclassification adjustments, net of taxes OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Total loans and leases Balance Total Total Loans and Leases Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss Expiration Date Trading Arrangement Expiration Date Accrued expenses and other liabilities Increase (Decrease) in Other Operating Liabilities 2031 Finite-Lived Intangible Asset, Expected Amortization, Year Five Increase in other borrowed funds, net Proceeds from (Repayments of) Other Debt Stockholders' Equity: Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Foreign government obligations Debt Security, Government, Non-US [Member] Notional Amount Maturing, Less than 4 years Derivative, Notional Amount Maturing In Four Years Derivative, Notional Amount Maturing In Four Years Premises and equipment, net of accumulated depreciation of $116,239 and $112,926, respectively Property, Plant and Equipment, Net Number of share-based compensation plans Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Active Plans Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Active Plans Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Construction Construction Loans [Member] Entity Current Reporting Status Entity Current Reporting Status Receivables [Abstract] Receivables [Abstract] Derivatives and Hedging Activities Derivative [Line Items] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Collateral Held [Axis] Collateral Held [Axis] Within 1 year Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One Financial Instrument [Axis] Financial Instrument [Axis] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Executive Category: Executive Category [Axis] Twelve months or longer, unrealized losses Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Cash paid during the period for: Cash Paid During the Year for [Abstract] -- None. No documentation exists for this element. -- Observable Bids Appraisal of collateral Valuation, Market Approach [Member] Current Fiscal Year End Date Current Fiscal Year End Date Less than twelve months, unrealized losses Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Total deposits Deposits Weighted Average Discount Rate Leases, Weighted Average Discount Rate [Abstract] Leases, Weighted Average Discount Rate [Abstract] Professional services Professional Fees Liabilities, Net Amounts Presented in the Statement of Financial Position Derivative Liability Other Other Noninterest Expense Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Loan Restructuring Modification [Axis] Loan Restructuring Modification [Axis] Pass Pass [Member] Interest rate derivatives Interest Rate Contract [Member] AFS, debt securities, unrealized loss position, accumulated loss Total, unrealized losses Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss Weighted average common shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Collateral Pledged Collateral Pledged [Member] Schedule of Information Regarding the Aging of Past Due Loans, by Loan Class Financing Receivable, Past Due [Table Text Block] Risk participation-out agreements Risk participation-out agreements Risk Participation-out Agreement [Member] Risk Participation-out Agreement [Member] Interest-bearing deposits Interest-Bearing Deposit Liabilities Commitments and Contingencies Lessee, Operating Leases [Text Block] Net cash used for financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Measure: Measure [Axis] Loan Tranche Two Loan Tranche Two [Member] Loan Tranche Two Combination - Maturity Extension and Significant Payment Delays Combination - Maturity Extension and Significant Payment Delays [Member] Combination - Maturity Extension and Significant Payment Delays Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] Thereafter Finite-Lived Intangible Asset, Expected Amortization, after Year Five Fair Value Fair Value Derivative, Fair Value, Net Restricted stock awards issued, net of awards surrendered Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Total operating rental expense Lessee, Operating Lease, Liability Amount Lessee, Operating Lease, Liability Amount Consumer Consumer loans Consumer Consumer Portfolio Segment [Member] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Schedule of Impaired Financing Receivable [Table] Schedule of Impaired Financing Receivable [Table] Non-cash investing activities: Other Noncash Investing and Financing Items [Abstract] Amortization of debt issuance costs Amortization of Debt Issuance Costs Entity Tax Identification Number Entity Tax Identification Number Grantee Status [Axis] Grantee Status [Axis] Discounted Cash Flow Valuation Technique, Discounted Cash Flow [Member] Year four Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff Outstanding borrowings Security Borrowed, Subject to Master Netting Arrangement, Collateral, Obligation to Return Security Not Offset Sells foreign currency, buys U.S. currency Short [Member] Common stock, shares issued (in shares) Common Stock, Shares, Issued Operating leases Operating Lease, Weighted Average Remaining Lease Term Schedule of Customer Related Derivative Positions Derivatives Not Designated as Hedging Instruments [Table Text Block] Goodwill and Other Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Asset Pledged as Collateral with Right Asset Pledged as Collateral with Right [Member] GSE MBSs Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member] Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Amortization of other acquisition fair value adjustments, net (Accretion) Amortization of Acquisition Fair Value Adjustment Costs (Accretion) Amortization of Acquisition Fair Value Adjustment Costs Security Exchange Name Security Exchange Name Proceeds from sales of loans and leases net Proceeds from Sale, Loan, Held-for-Investment GSE MBSs Collateralized Mortgage-Backed Securities [Member] Loans and Leases Financing Receivables [Text Block] Pay fixed, receive variable Loan Level Derivative, Pay Fixed, Receive Variable [Member] Loan Level Derivative, Pay Fixed, Receive Variable [Member] Asset Class [Domain] Asset Class [Domain] Total, unrealized losses Available-For-Sale And Held-To-Maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss Available-For-Sale And Held-To-Maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss Statement [Line Items] Statement [Line Items] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Total cash and cash equivalents Cash and Cash Equivalent Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Common Stock Common Stock [Member] Net decrease in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Effect of dilutive securities (in shares) Weighted Average Number of Shares Outstanding, Diluted, Adjustment Gain (loss) reclassified from OCI into interest income or interest expense (effective portion) Gain (Loss) Reclassified From OCI Into Interest Income or Interest Expense, Effective Portion Gain (Loss) Reclassified From OCI Into Interest Income or Interest Expense, Effective Portion Statistical Measurement [Domain] Statistical Measurement [Domain] Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Five Remainder of 2026 Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Interest income on nonaccrual loans Financing Receivable, Nonaccrual, Interest Income Asset Class [Axis] Asset Class [Axis] Available for sale securities pledged as collateral Debt Securities, Available-for-Sale, Restricted Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Interest rate swaps on loans Interest Rate Swap [Member] Unrealized gains (losses) included in comprehensive income Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) Numerator: Earnings Per Share, Basic [Abstract] Non-accrual with No Related Allowance Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance Pledged Status [Axis] Pledged Status [Axis] Home equity Line of Credit Facility, Remaining Borrowing Capacity for Equity Amount of borrowing capacity currently available under the equity credit facility (current borrowing capacity less the amount of borrowings outstanding). Gross Unrealized Losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Non-income tax related expense Investment Program, Proportional Amortization Method, Applied, Non-Income-Tax-Related Activity and Other Return Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Basic (in dollars per share) Basic EPS (in dollars per share) Earnings Per Share, Basic Liabilities: Liabilities, Fair Value Disclosure [Abstract] Income tax (expense) benefit OCI, Debt Securities, Available-for-Sale, Gain (Loss), before Adjustment, Tax Discount Rate from Bloomberg BVAL Measurement Input, Discount Rate [Member] Other comprehensive gain (loss), net of taxes Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Loan Modified [Axis] Loan Modified [Axis] Loan Modified Estimated fair value of debt securities that have right to call or prepay the obligations, scheduled maturities of less than one year Callable Securities Debt, Maturities Less Than One Year, Fair Value Callable Securities Debt, Maturities Less Than One Year, Fair Value Depreciation of premises and equipment Depreciation and Amortization of Bank Premises and Equipment The amount of expense charged against earnings in the period to allocate the cost, net of salvage value, of premises and equipment over their remaining estimated productive lives and includes the amortization of leasehold property. Measurement Input Type [Domain] Measurement Input Type [Domain] Debt securities Interest Income, Debt Securities Interest income on debt securities held either as an available-for-sale or held-to-maturity securities. GSE CMOs Collateralized Mortgage Obligations [Member] Payment deferral period Financing Receivable, Modified, Payment Deferral, Period Charge-offs Total Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Accounts and Financing Receivables [Table] NOW accounts Deposits, Negotiable Order of Withdrawal (NOW) Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Compensation expense Share-Based Payment Arrangement, Expense Hedging Designation [Domain] Hedging Designation [Domain] Accrued interest on loans and leases Financing Receivable, Accrued Interest, after Allowance for Credit Loss Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Total liabilities and stockholders' equity Liabilities and Equity Postretirement Benefits Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Equipment and data processing Equipment and Data Processing Expense This element represents equipment expense including depreciation, repairs, rentals, and service contract costs. This item also includes equipment purchases which do not qualify for capitalization in accordance with the entity's accounting policy. This element also includes the data processing expenses. Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table] Derivative Instruments, Gain (Loss) [Table] Investment securities available-for-sale Available-for-Sale Securities [Member] Reclassification adjustment for (income) expense recognized in earnings Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Asset derivatives Offsetting Derivative Assets [Abstract] Accounting Policies Accounting Policies [Abstract] Investment securities available-for-sale: OCI, Debt Securities, Available-for-Sale, Gain (Loss), before Adjustment and Tax [Abstract] Schedule of Maturities of Operating Leases Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Treasury Stock Treasury Stock, Common [Member] Year one Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year AFS number of positions Debt Securities, Available-For-Sale, Qualitative Disclosure, Number Of Positions Debt Securities Available-For-Sale, Qualitative Disclosure, Number Of Positions Pay vs Performance Disclosure [Line Items] Operating lease liabilities Operating lease liabilities Present value of lease liability Operating Lease, Liability 90+ Days Past Due Financial Asset, Equal to or Greater than 90 Days Past Due [Member] Schedule of Financial Instruments with Off-Balance Sheet Risk Schedule of Commitment of Financial Instrument with Off Balance Sheet Risks [Table Text Block] Tabular Disclosure of commitment to financial instruments whose contract amounts represent credit risk which are off-balance sheet. Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Year three Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount 2029 Lessee, Operating Lease, Liability, to be Paid, Year Three Prior Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff Cash flow hedges: Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax [Abstract] Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Measurement Input Type [Axis] Measurement Input Type [Axis] Name Measure Name Within 1 year Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Proceeds from maturities, calls, and principal repayments of investment securities available-for-sale Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale Short-term investments Interest and Dividend Income, Short Term Investment Interest income on cash equivalents. Schedule of Investment Securities in a Continuous Unrealized Loss Position Unrealized Gain (Loss) on Investments [Table Text Block] Total borrowed funds Long-Term Debt Total assets Assets Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Continuing Operation [Abstract] 2027 Finite-Lived Intangible Asset, Expected Amortization, Year One Credit Quality Information Financing Receivable, Credit Quality Indicator [Line Items] Changes in allowance for loan losses Financing Receivable, Allowance for Credit Loss [Roll Forward] Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Receivable Type [Axis] Receivable Type [Axis] Weighted-average amortization period Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life Borrowed funds Interest Expense, Borrowings Assets: Assets, Fair Value Disclosure [Abstract] 2030 Finite-Lived Intangible Asset, Expected Amortization, Year Four Assets, Gross Amounts Not Offset in the Statement of Financial Position, Financial Instruments Pledged Derivative Asset, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset Cash surrender value of bank-owned life insurance Increase (Decrease) in Life Insurance Liabilities Dividends paid per common share (in dollars per share) Dividends per share (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Other consumer Other Consumer Other Consumer [Member] Other Consumer [Member] Operating leases liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Debt Securities, Available-for-sale [Line Items] Debt Securities, Available-for-Sale [Line Items] Level 2 Fair Value, Inputs, Level 2 [Member] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Year ending: Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Residential mortgage Residential Residential Mortgage [Member] (Decrease) increase in demand checking, NOW, savings and money market accounts Increase (Decrease) In Demand Deposits And Saving Deposits The net cash inflow (outflow) in the total of all demand deposits (including checking and negotiable order of withdrawal (NOW) accounts and saving deposits (which may include passbook, statement savings accounts and money-market deposit accounts (MMDAs) classified as cash flows from financing activities. PEO PEO [Member] Performance standby letters of credit Letter of Credit Facility Remaining Borrowing Capacity for Performance Standby Letters of Credit Amount of borrowing capacity currently available under the performance standby letters of credit facility (current borrowing capacity less the amount of borrowings outstanding). Transfers in Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 Schedule of Maturities of the Investments in Debt Securities Investments Classified by Contractual Maturity Date [Table Text Block] Certificates of deposits and brokered deposits Time Deposits Retained Earnings Retained Earnings [Member] Financing Receivable, Information by Credit Score [Axis] Financing Receivable, Information by Credit Score [Axis] Information by credit score provided by credit bureau score card model. Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Assets, Net Amounts Presented in the Statement of Financial Position Derivative Asset Twelve months or longer, estimated fair value Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Other comprehensive income (loss) OCI, before Reclassifications, before Tax, Attributable to Parent Nonrecurring basis Fair Value, Nonrecurring [Member] Loans and leases: Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss [Abstract] Identified intangible assets, net of accumulated amortization of $37,446 and $29,118, respectively Total other intangible assets Intangible Assets, Net (Excluding Goodwill) Financing Receivable, Troubled Debt Restructuring [Table] Financing Receivable, Modified [Table] Other Noninterest Income, Other Provision for credit losses on unfunded commitments Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal) Product and Service [Domain] Product and Service [Domain] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Notional Amount Total Notional amount Derivative, Notional Amount Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Revolving Loans Financing Receivable, Excluding Accrued Interest, Revolving City Area Code City Area Code Other consumer Line of Credit Facility Remaining Borrowing Capacity for Other Amount of borrowing capacity currently available under the other than equity credit facility (current borrowing capacity less the amount of borrowings outstanding). Schedule of Changes in the Allowance for Loan and Lease Losses Financing Receivable, Allowance for Credit Loss [Table Text Block] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Number of lending offices Number Of Lending Offices Number Of Lending Offices Expenditures Lease, Cost U.S. Treasury bonds U.S. Treasury bonds US Treasury Bond Securities [Member] Goodwill Goodwill Balance at end of period Goodwill Schedule of Lease Cost, Supplemental Cash Flow and Supplemental Balance Sheet Information Lease, Cost [Table Text Block] Transfers out Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 Twelve months or longer, estimated fair value Available-For-Sale And Held-To-Maturity Securities, Continuous Unrealized Loss Position, Twelve Months Or Longer, Fair Value Available-For-Sale And Held-To-Maturity Securities, Continuous Unrealized Loss Position, Twelve Months Or Longer, Fair Value Loan level derivative income Gains (Losses) on Sales of Investment Real Estate Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Percentage of securities in unrealized loss positions, available-for-sale securities Debt Securities, Available-For-Sale, Securities In Unrealized Loss Positions, As Percentage Of Amortized Cost Of Securities Debt Securities Available for sale Securities In Unrealized Loss Positions As Percentage Of Amortized Cost Of Securities Other Performance Measure, Amount Other Performance Measure, Amount GSE debentures US Treasury and Government [Member] Collectively evaluated, allowance for loan and lease losses Financing Receivable, Allowance for Credit Loss, Collectively Evaluated Risk participation-in agreements Risk Participation-in Agreement [Member] Risk Participation-in Agreement [Member] Derivative Instrument [Axis] Derivative Instrument [Axis] Right-of-use assets obtained in exchange for new lease obligations: Right-Of-Use Asset Obtained In Exchange For Lease Liability [Abstract] Right-Of-Use Asset Obtained In Exchange For Lease Liability Proceeds from redemption/sales of restricted equity securities Proceeds from Sale of Restricted Investments Vesting [Axis] Vesting [Axis] Financial liabilities: Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] Commercial real estate Commercial real estate loans Commercial Real Estate Commercial Real Estate Portfolio Segment [Member] Unamortized deferred loan origination costs Financing Receivable, Unamortized Loan Cost (Fee) and Purchase Premium (Discount) Additional paid-in capital Additional Paid in Capital, Common Stock Net cash provided from investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Notional Amount Maturing, Less than 2 years Derivative, Notional Amount Maturing In Two Years Derivative, Notional Amount Maturing In Two Years Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Interest on deposits, borrowed funds and subordinated debt Interest Paid, Excluding Capitalized Interest, Operating Activity Document Fiscal Year Focus Document Fiscal Year Focus Basis of Financial Statement Presentation Basis of Accounting, Policy [Policy Text Block] Right-of-use asset operating leases Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Operating lease cost Operating Lease, Cost Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Continuing Operation [Abstract] Carrying Value Reported Value Measurement [Member] Merger and restructuring expense Business Combination, Acquisition-Related Cost, Expense Equity [Abstract] Equity [Abstract] Fair value of assets and liabilities Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Derivatives not designed as hedging instruments Not Designated as Hedging Instrument [Member] U.S. Treasury bonds US Treasury Securities [Member] Increase (Decrease) in Stockholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Weighted Average Coupon Weighted Average Interest Rate Financing Receivable The weighted-average interest rate of the acquired investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Investment securities available-for-sale: Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Doubtful Doubtful [Member] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Accumulated Other Comprehensive Income (Loss) Comprehensive Income (Loss) Note [Text Block] Weighted Average Weighted Average [Member] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Amortization of identified intangible assets Amortization of identified intangible assets Amortization of Intangible Assets Deferred tax asset Deferred Income Tax Assets, Net Debt securities, measurement input Debt Securities, Available-for-Sale, Measurement Input Schedule of Changes in Accumulated Other Comprehensive (Loss) Income by Component, Net of Tax Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] 661 - 700 Credit Score 661 to 700 [Member] Represents the credit score between 661 to 700, which is provided by credit bureau score card model and is used in the underwriting process. Arrangement Duration Trading Arrangement Duration Repossessed assets Repossessed Vehicles and Equipment [Member] Represents the vehicles and equipment obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings or defeasance. Twelve months or longer, unrealized losses Available-For-Sale And Held-To-Maturity Securities, Continuous Unrealized Loss Position, 12 Months Or Longer, Accumulated Loss Available-For-Sale And Held-To-Maturity Securities, Continuous Unrealized Loss Position, 12 Months Or Longer, Accumulated Loss Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Reserve for unfunded credits Off-Balance-Sheet, Credit Loss, Liability ASSETS Assets [Abstract] Schedule of Delayed Equity Contribution Investment Program, Proportional Amortization Method, Elected, Fiscal Year Maturity [Table Text Block] Investment Program, Proportional Amortization Method, Elected, Fiscal Year Maturity Underlying Security Market Price Change Underlying Security Market Price Change, Percent Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Award vesting percentage Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage Schedule of Financing Receivable, Modified Financing Receivable, Modified [Table Text Block] 30-60 Days Past Due Financial Asset, 30 to 60 Days Past Due [Member] Financial Asset, 30 to 60 Days Past Due Provision for credit losses on investments Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss, Not Previously Recorded Commitments to originate loans and leases Commitments To Originate Loans And Leases The outstanding commitments to originate loans as of the balance sheet date. Assets, Gross Amounts Recognized Derivatives Derivative Asset, Subject to Master Netting Arrangement, before Offset Entity Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Municipal obligations Municipal Bonds [Member] Total assets measured at fair value on a non-recurring basis Fair value of assets Assets, Fair Value Disclosure Provision for credit losses Total provision (credit) for credit losses Provision for Loan, Lease, and Other Losses Number of securities in unrealized loss positions Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions Deposits: Deposits [Abstract] Past Due Financial Asset, Past Due [Member] Accretion of investment securities premiums and discounts, net Accretion (Amortization) of Discounts and Premiums, Investments Appraisal Adjustments Appraisal Adjustments [Member] Appraisal Adjustments [Member] Restatement Determination Date: Restatement Determination Date [Axis] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] General allowance for loan and lease losses General Allowance For Loan And Lease Losses Reflects the general allowance for bad debts arising from loan and lease portfolios. Schedule of Fair Value, Liabilities Measured on Recurring Basis Fair Value, Liabilities Measured on Recurring Basis [Table Text Block] Restricted equity securities Restricted Investments Schedule of the Impaired and Non-impaired Loans and Leases, by Loan and Leases Class Schedule of Impaired and Non Impaired Loans by Loan Class [Table Text Block] Tabular disclosure of impaired and non-impaired loans by loan class. Name Trading Arrangement, Individual Name Total Available-For-Sale Securities Debt Maturities Weighted Average Rate Represents the weighted average rate of available-for-sale debt securities. Commercial and similar letters of credit Letter of Credit Facility Remaining Borrowing Capacity for Commercial Letters of Credit Amount of borrowing capacity currently available under the commercial and similar letters of credit facility (current borrowing capacity less the amount of borrowings outstanding). Provision for credit losses on loans Provision (Credit) For Credit Losses On Loans Provision (Credit) For Credit Losses On Loans Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Name Awards Close in Time to MNPI Disclosures, Individual Name Collectively evaluated, loans and leases Financing Receivable, Collectively Evaluated for Credit Loss Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Short-term investments Cash Equivalents, at Carrying Value (Purchase) sale of premises and equipment, net Proceeds (Payments) From Sale (Purchase) Of Property, Plant, And Equipment Proceeds (Payments) From Sale (Purchase) Of Property, Plant, And Equipment Investment Securities Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Supplemental balance sheet information related to leases was as follows: Operating Lease, Assets And Liabilities, Lessee [Abstract] Operating Lease, Assets And Liabilities, Lessee [Abstract] Assets, Gross Amounts Not Offset in the Statement of Financial Position, Cash Collateral Pledged Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash Not Offset Investment Securities Available-for-Sale AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] Estimated fair value of debt securities have right to call or prepay the obligations, scheduled maturities after six years through ten years Callable Securities Debt, Maturities After Five Through Ten Years, Fair Value This item represents the fair value of debt securities that have right to call or prepay the obligation which are expected to mature after five year and through ten years from the balance sheet date and which are categorized neither as held-to-maturity nor trading securities. Interest expense: Interest Expense, Operating and Nonoperating [Abstract] Premises and equipment, accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Liabilities, Gross Amounts Offset in the Statement of Financial Position Derivative Liability, Subject to Master Netting Arrangement, Asset Offset Purchases of investment securities available-for-sale Purchases of securities available-for-sale Payments to Acquire Debt Securities, Available-for-Sale Greater than 90 days past due Financing Receivables, Greater than 90 Days Past Due [Member] Financing Receivables, Greater than 90 Days Past Due [Member] Notional Amount Maturing, Thereafter Derivative, Notional Amount Maturing After Four Years Derivative, Notional Amount Maturing After Four Years Subordinated debentures and notes Subordinated Debt (Loss) gain in OCI on derivatives (effective portion), net of tax Gain (Loss) in OCI on Derivatives, Effective Portion, Net of Tax Gain (Loss) in OCI on Derivatives, Effective Portion, Net of Tax Year two Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year Financial Asset, Period Past Due [Axis] Financial Asset, Aging [Axis] All Executive Categories All Executive Categories [Member] Common stock, $0.01 par value; 200,000,000 shares authorized; 89,576,403 shares issued and 89,576,403 shares issued, respectively Common Stock, Value, Issued Loans and leases Interest and Fee Income, Loans and Leases Share-Based Payment Arrangement, Employee Share-Based Payment Arrangement, Employee [Member] Commitments and contingencies (Note 12) Commitments and Contingencies Year one Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff Estimated fair value of debt securities have right to call or prepay the obligations, scheduled maturities of after one year through five years Callable Securities Debt, Maturities After One, Through Five Years, Fair Value This item represents the fair value of debt securities that have right to call or prepay the obligation which are expected to mature after one year and through five years from the balance sheet date and which are categorized neither as held-to-maturity nor trading securities. Changes in generic pricing of securities period two, considered for analyzing changes in prices obtained from pricing service Changes In Generic Pricing Of Securities Period Two Considered For Analyzing Changes In Prices Obtained From Pricing Service Changes In Generic Pricing Of Securities Period Two Considered For Analyzing Changes In Prices Obtained From Pricing Service Changes in generic pricing of securities period one, considered for analyzing changes in prices obtained from pricing service Changes In Generic Pricing Of Securities Period One Considered For Analyzing Changes In Prices Obtained From Pricing Service Changes In Generic Pricing Of Securities Period One Considered For Analyzing Changes In Prices Obtained From Pricing Service Recent Accounting Pronouncements Accounting Standards Update and Change in Accounting Principle [Text Block] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Equipment financing Equipment Financing Commercial Loans Equipment Financing Loans [Member] Represents the commercial loans related to equipment financing. Over 10 years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 Denominator: Earnings Per Share, Diluted [Abstract] Fair value inputs, basis spread Fair Value Inputs, Basis Spread Fair Value Inputs, Basis Spread Commercial real estate Commercial Real Estate Commercial Real Estate Mortgage [Member] Class of financing receivables related to commercial real estate mortgage receivables. Hedging Designation [Axis] Hedging Designation [Axis] Other real estate owned Other Real Estate Owned [Member] Represents the other real estate owned by the entity. Liabilities, Net Amount Derivative Liability, Including Not Subject to Master Netting Arrangement, after Offset and Deduction Derivative Contract [Domain] Derivative Contract [Domain] Gain (loss) on change in fair value of cash flow hedges Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Table] All Individuals All Individuals [Member] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Name Forgone Recovery, Individual Name Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Individually evaluated, loans and leases Financing Receivable, Individually Evaluated for Credit Loss Specific allowance for loan and lease losses Specific Allowance For Loan And Lease Losses Specific Allowance For Loan And Lease Losses Loans and Leases Receivable Loans And Leases Receivable [Member] Loans And Leases Receivable [Member] Schedule of Provisions for Credit Losses Schedule of Provision for Credit Losses [Table Text Block] Represents tabular disclosure of provision for credit losses. Year five Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Schedule of Finite-Lived Intangible Assets [Table] Intangible Asset, Finite-Lived [Table] Other borrowed funds Borrowed funds Other Borrowings Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Commercial loans and leases Commercial Commercial Commercial Portfolio Segment [Member] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] 2027 Investment Program, Proportional Amortization Method, Elected, Year One Investment Program, Proportional Amortization Method, Elected, Year One Definite Loss Unlikely to be Collected Financing Receivable [Member] Financial standby letters of credit Letter of Credit Facility Remaining Borrowing Capacity for Financial Standby Letters of Credit Amount of borrowing capacity currently available under the financial standby letters of credit facility (current borrowing capacity less the amount of borrowings outstanding). Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Gain on sales of loans and leases held-for-sale Gain on sales of loans and leases held-for-sale Gain (Loss) On Sale Of Loans And Leases Held For Sale Gain (Loss) On Sale Of Loans And Leases Held For Sale Title of 12(b) Security Title of 12(b) Security Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Provision (credit) for loan and lease losses excluding unfunded commitments Total provision (credit) for loan and lease losses Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) Earnings per common share: Earnings Per Share [Abstract] 2031 Lessee, Operating Lease, Liability, to be Paid, Year Five Discount for Costs to Sell Discount for Costs to Sell [Member] Discount for Costs to Sell [Member] Commercial Real Estate Relationship Commercial Real Estate Relationship [Member] Commercial Real Estate Relationship Investment securities available-for-sale Provision for Other Credit Losses Year three Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff Cash surrender value of bank-owned life insurance policies Cash Surrender Value of Life Insurance Financing Receivable, Allowance for Credit Loss [Line Items] Financing Receivable, Allowance for Credit Loss [Line Items] Brokered deposit accounts Deposits, Brokered Deposits Deposits, Brokered Deposits Award Timing Disclosures [Line Items] Measurement Frequency [Domain] Measurement Frequency [Domain] Loan Restructuring Modification [Domain] Loan Restructuring Modification [Domain] Net loans and leases Loans and leases, net Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss Net income Net income Net income Net Income (Loss) Attributable to Parent Vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Adoption Date Trading Arrangement Adoption Date Reclassification Reclassification, Comparability Adjustment [Policy Text Block] Loan Tranche One Loan Tranche One [Member] Loan Tranche One Combination - Significant Payment Delays and Interest Rate Reduction: Combination - Payment Deferral And Interest Rate Reduction [Member] Combination - Payment Deferral And Interest Rate Reduction Financing Receivable, Past Due [Table] Financing Receivable, Past Due [Table] Lease term Lessee, Operating Lease, Term of Contract Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Continuing Operation [Abstract] Customer relationships intangible asset Customer Relationships [Member] Less reclassification adjustment for change in fair value of cash flow hedges: Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax [Abstract] Retained earnings Retained Earnings (Accumulated Deficit) Money market accounts Deposits, Money Market Deposits Commercial And Industrial Relationships Commercial And Industrial Relationships [Member] Commercial And Industrial Relationships Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Net Change in Fair Value of Cash Flow Hedges Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Data not available Credit Score Data Not Available [Member] Represents the credit score for which data are not available. Statement [Table] Statement [Table] Adjustments to reconcile net income to net cash provided from operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Decrease in mortgagors' escrow accounts, net Increase (Decrease) In Mortgagors Escrow Accounts The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow account may be made for a variety of other purposes such as earnest money and contingent payments. Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, Fiscal Year Maturity [Abstract] Schedule of Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] All Adjustments to Compensation All Adjustments to Compensation [Member] Total investment securities Total Securities Includes total investments in debt and equity securities which are categorized neither as held-to-maturity nor trading and investments which are not defined as or included in marketable (debt, equity, or other) securities whose use is restricted in whole or in part, generally by contractual agreements or regulatory requirements. Amendment Flag Amendment Flag Estimated Fair Value Debt Securities, Available-for-Sale, Fair Value, Fiscal Year Maturity [Abstract] Accrued interest receivable Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss Schedule of Assets and Liabilities Measured at Fair Value on a Recurring and Non-Recurring Basis Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Table Text Block] Treasury stock, at cost; 5,548,772 shares and 5,545,511 shares, respectively Treasury Stock, Common, Value Termination Date Trading Arrangement Termination Date Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Number of Positions Number of Interest Rate Derivatives Held Allowance for loan and lease losses Balance at the beginning of the period Balance at the end of the period Total allowance for loan and lease losses Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest Schedule of Income Tax Credits and Other Income Tax Benefits Investment Program, Proportional Amortization Method, Provision For Income Taxes [Table Text Block] Investment Program, Proportional Amortization Method, Provision For Income Taxes Receivable [Domain] Receivable [Domain] Operating leases Operating Lease, Weighted Average Discount Rate, Percent Schedule of Fair Value, Assets Measured on Recurring Basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] Basic (in shares) Weighted average shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Schedule of Reconciliation of Basic EPS and Diluted EPS Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Commitments to originate loans and leases: Loan Commitments [Line Items] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Year ending: Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Number of full-service banking offices Number Of Banking Offices Represents the number of full service banking offices operated by the entity. Demand checking accounts Demand Deposit Accounts Estimated fair value of debt securities have right to call or prepay the obligations, scheduled maturities of which is after ten years Callable Securities Debt, Maturities After Ten Years, Fair Value This item represents the fair value of debt securities that have right to call or prepay the obligation which are expected to mature after ten years from the balance sheet date and which are categorized neither as held-to-maturity nor trading securities. Liability derivatives Offsetting Derivative Liabilities [Abstract] Unrealized securities holding gains (losses) OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Unused letters of credit: Letter of Credit Facility Remaining Borrowing Capacity [Abstract] -- None. No documentation exists for this element. -- Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Use of Estimates Use of Estimates, Policy [Policy Text Block] Maturities, calls, and paydowns Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements Occupancy Occupancy, Net Assets, Gross Amounts Offset in the Statement of Financial Position Derivative Asset, Subject to Master Netting Arrangement, Liability Offset Insider Trading Arrangements [Line Items] Prior Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year Current Financial Asset, Not Past Due [Member] Allowance for investment security credit losses Debt Securities, Available-for-Sale, Allowance for Credit Loss, Excluding Accrued Interest Total liabilities Liabilities % of Total Class of Loans and Leases Financing Receivable, Excluding Accrued Interest, Modified in Period, to Total Financing Receivables, Percentage Schedule of Loan and Lease Balances for the Originated and Acquired Portfolios Schedule of Loans by Type [Table Text Block] Tabular disclosure of various types of loans given by the entity, presented by loan type. Collateral-dependent impaired loans and leases Collateral Dependent Impaired Loans [Member] Represents collateral dependent impaired loan, where such impairment occurs when the present value of expected cash flows discounted at the loan's effective interest rate, or, alternatively, a loan's observable market price or fair value of the underlying collateral is less than the carrying amount of the loan, and sets forth the amount of the loss. Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Derivatives designated as hedges Fair Value Hedges, Net Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Savings accounts Deposits, Savings Deposits OREO and repossessed assets, net Other Real Estate, Foreclosed Assets, and Repossessed Assets Current Rate Paid Derivative, Swaption Interest Rate Decrease in certificates of deposit and brokered deposits Increase (Decrease) In Time Deposits, Retail The net cash inflow (outflow) in the total of all retail time deposits. Thereafter Investment Program, Proportional Amortization Method, Elected, Thereafter Investment Program, Proportional Amortization Method, Elected, Thereafter FRB Borrowings Federal Reserve Bank Borrowings [Member] Federal Reserve Bank Borrowings [Member] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Corporate debt obligations Corporate Debt Securities [Member] Collateral posted Collateral Already Posted, Aggregate Fair Value