Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Award Timing Predetermined Award Timing Predetermined [Flag] Entity File Number Entity File Number Capital Surplus Additional Paid-in Capital [Member] Tabular List, Table Tabular List [Table Text Block] Tax effect on other comprehensive loss (income) Other Comprehensive Income (Loss), Tax Aa/AA Standard & Poor's, AA- Rating [Member] Amount of expense for the three months and twelve months ended, respectively Restricted Stock or Unit Expense Loans charged off Financing Receivable, Allowance for Credit Loss, Writeoff Maximum amount of future payments by the company Guarantor Obligations, Maximum Exposure, Undiscounted Demand and non-interest-bearing Noninterest-Bearing Deposit Liabilities, Domestic Measurement Basis Measurement Basis [Axis] Adjustment to Compensation: Adjustment to Compensation [Axis] Fair Value of Held-to-Maturity Securities, 12 Months or More Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Income on bank-owned life insurance Effective Income Tax Rate Reconciliation, Tax Exempt Income, Bank-Owned Life Insurance, Percent Effective Income Tax Rate Reconciliation, Tax Exempt Income, Bank-Owned Life Insurance, Percent Stock compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-Based Compensation Cost Financing Receivable Portfolio Segment Financing Receivable Portfolio Segment [Domain] FHLB and other borrowed funds Advances From Federal Home Loan Banks And Other Borrowings Advances from federal home loan banks and other borrowings. Total current Current Income Tax Expense (Benefit) Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] Adjustment to Compensation, Amount Adjustment to Compensation Amount Concentration percentage Concentration Risk, Percentage Other assets Increase (Decrease) in Other Operating Assets FHLB dividends Deferred Tax Liabilities Fhlb Dividends Deferred tax liabilities FHLB dividends. Principles of Consolidation Consolidation, Policy [Policy Text Block] Share-based compensation Share-Based Payment Arrangement, Noncash Expense Employee Stock Option Share-Based Payment Arrangement, Option [Member] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Percent Effective Income Tax Rate Reconciliation, Percent [Abstract] Cash dividends - Common Stock Dividends, Common Stock, Cash Total stockholders’ equity Beginning Balance Ending balance Equity, Attributable to Parent Measurement Frequency [Axis] Measurement Frequency [Axis] Schedule Of Available For Sale Securities [Table] Debt Securities, Available-for-Sale [Table] Insider Trading Policies and Procedures [Line Items] New York NEW YORK Common stock, shares authorized (in shares) Common Stock, Shares Authorized Financial assets: Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] Assets Sold under Agreements to Repurchase [Line Items] Assets Sold under Agreements to Repurchase [Line Items] Fair Value, Recurring Fair Value, Recurring [Member] Risk rating 3 Satisfactory [Member] Satisfactory. Accounting Standards Update 2016-13 Accounting Standards Update 2016-13 [Member] Liabilities and Stockholders’ Equity Liabilities and Equity [Abstract] Cover [Abstract] Cover [Abstract] Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Maximum Maximum [Member] Amortized Cost Amortized Cost Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss Exercisable Weighted Average Exercisable Price, end of year (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Real estate owned Deferred Tax Assets Real Estate Owned Deferred tax assets real estate owned. Banking Regulation, Mortgage Banking, Secondary Market Investor Banking Regulation, Mortgage Banking, Secondary Market Investor [Domain] Remaining balance available for repurchase (in shares) Share Repurchase Program, Remaining Authorized, Number of Shares Fair Value of Available-for-Sale Securities, Total Debt Securities, Available-for-Sale, Unrealized Loss Position Core deposit intangibles Balance, beginning of period Balance, end of year Net carrying amount Finite-Lived Intangible Assets, Net Due after ten years, Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 10 Restricted Shares Restricted Stock [Member] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Nonaccrual with Reserve Financing Receivable Recorded Investment Nonaccrual With Reserve Financing receivable recorded investment nonaccrual with reserve. Total real estate Commercial And Residential Real Estate Portfolio Segment [Member] Commercial and residential real estate portfolio segment. Gain (loss) on assets Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property Allowance for Credit Losses on Off-Balance Sheet Credit Exposures Off-Balance-Sheet Credit Exposure, Policy [Policy Text Block] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] External Credit Rating, Standard & Poor's [Domain] External Credit Rating, Standard & Poor's [Domain] 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] Variable Rate Component [Axis] Variable Rate Component [Axis] Variable Rate Component Deposits – other banks Interest Income, Deposits with Financial Institutions Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Tier 1 leverage capital ratio Banking Regulation, Tier 1 Leverage Capital Ratio, Actual Investment securities Interest and Dividend Income, Securities, by Taxable Status [Abstract] Debt Instrument [Table] Schedule of Long-Term Debt Instruments [Table] Proceeds from sale of premises and equipment Proceeds from Sale of Property, Plant, and Equipment Securities not due at a single maturity date, Estimated Fair Value Debt Securities, Held-to-Maturity, Maturity, without Single Maturity Date, Fair Value Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Loans collateralized by first liens on real estate balloon payments due period Loans Collateralized By First Liens On Real Estate Balloon Payments Due Period Loans collateralized by first liens on real estate balloon payments due period. Summary of Additional Cash Flow Information Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Securities sold under agreements to repurchase daily weighted average Securities Sold Under Agreements To Repurchase Daily Weighted Average Securities sold under agreements to repurchase daily weighted average. Schedule Of Other Assets [Line Items] Schedule Of Other Assets [Line Items] Schedule of other assets. Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Unrealized loss on investment securities, available-for-sale Deferred Tax Asset, Debt Securities, Available-for-Sale, Unrealized Loss Total interest expense Interest Expense Interest Expense, Operating Exercise Price Range Exercise Price Range [Axis] Insurance General Insurance Expense Fixed rate for first five years Long-Term Debt, Percentage Bearing Fixed Interest, Percentage Rate Document Fiscal Period Focus Document Fiscal Period Focus $22.00 to $23.99 Range Three [Member] Range 3. Loans receivable, net of impaired loans and allowance Impaired Loans And Allowance Fair Value Disclosure Impaired loans and allowance fair value disclosure. Award Timing Method Award Timing Method [Text Block] Net Carrying Amount Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, after Allowance for Credit Loss Award Type Award Type [Axis] Accounting Standards Update Accounting Standards Update [Axis] Revolver loans converted to term loans Revolver Loans Converted To Term Loans Revolver loans converted to term loans. Trading Symbol Trading Symbol Year 4 Lessee, Operating Lease, Liability, to be Paid, Year Four Tax-exempt Income earned on securities, non-taxable Interest Income, Securities, Operating, Tax Exempt Summary of Changes in Carrying Amount and Accumulated Amortization of Company's Goodwill and Core Deposits and Other Intangibles Schedule of Intangible Assets and Goodwill [Table Text Block] Presentation of TDR's on Non-Accrual Status Summary Of Troubled Debt Restructuring On Non Accrual Status [Table Text Block] Tabular disclosure of troubled debt restructurings on non-accrual status. Net issuance of shares of common stock from exercise of stock options (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Entity Address, City or Town Entity Address, City or Town Class of Financing Receivable Class of Financing Receivable [Axis] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Tax basis on acquisitions Deferred Tax Liabilities, Tax Basis Premium On Acquisitions Deferred Tax Liabilities, Tax Basis Premium On Acquisitions Time deposits with a minimum denomination of $250,000 Time Deposits, at or Above FDIC Insurance Limit Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Percentage of loan value of raw land Percentage Of Loan Value Of Raw Land Percentage of loan value of raw land. Allowance for Credit Losses, Credit Quality and Other Allowance For Credit Losses And Credit Quality [Text Block] The entire disclosure for the allowance for credit losses. Disclosure includes both allowance for loans and leases not covered under loss sharing agreements and allowance for loans and leases covered under loss sharing agreements. Regulatory Agency Regulatory Agency [Axis] Entity Emerging Growth Company Entity Emerging Growth Company Amortized Cost Basis of Collateral-dependent Impaired Loans Schedule Of Collateral Dependent Impaired Loans By Class [Table Text Block] Schedule of collateral dependent impaired loans by class. Unrealized Losses of Held-to-Maturity Securities, Less Than 12 Months Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Outstanding, beginning of year (in shares) Outstanding, end of year (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number 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] Service charges Revenue from Contract with Customer, Including Assessed Tax Total non-interest income Noninterest Income Loan-to-value ratio Loan To Value Ratio Loan-to-value ratio. Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Schedule Of Share Based Compensation Shares Authorized Under Stock Option Plans By Exercise Price Range [Table] Share-Based Payment Arrangement, Option, Exercise Price Range [Table] Gain on sale of guaranteed portion of loans Gain (Loss) on Sales of Loans, Net Gross Unrealized (Losses) Debt Securities, Held-to-Maturity, Accumulated Unrecognized Loss Non-interest expense: Noninterest Expense [Abstract] Cash and due from banks Cash and Due from Banks Legal and accounting Legal Fees Class of Financing Receivable Class of Financing Receivable [Domain] Repurchase of combining of all the shares Aggregate Number Of Stock Repurchased During Period Shares Aggregate number of stock repurchased during period shares. Current: Current Income Tax Expense (Benefit), Continuing Operations [Abstract] 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] Due after one year through five years, Estimated Fair Value Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Income tax expense Income tax expense Income Tax Expense (Benefit) Floating rate above three-month LIBOR rate Debt Instrument, Basis Spread on Variable Rate Other assets Other Assets Credit Rating, Standard & Poor's [Axis] Credit Rating, Standard & Poor's [Axis] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Axis] Due in one year or less, Estimated Fair Value Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Federal Home Loan Bank Branch Federal Home Loan Bank Branch [Domain] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Proceeds from exercise of stock options, net Proceeds from Stock Options Exercised Federal Income Tax Paid, Federal, after Refund Received 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] Other income Noninterest Income, Other Operating Income Beginning of year (in shares) End of year (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] FHLB, Federal Reserve & FNBB stock; other equity investments Investment in Federal Home Loan Bank Stock, Fair Value Disclosure Percentage of retained earnings plus current year earnings to be paid as maximum dividend Percentage Of Retained Net Earnings Plus Current Year Earnings To Be Paid As Maximum Dividend Percentage of retained net earnings plus current year earnings to be paid as maximum dividend. Non-Interest Expense Non Interest Expense [Text Block] The entire disclosure for non-interest expense. Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Other service charges and fees Financial Service, Other [Member] Investment securities — available-for-sale, net of allowance for credit losses of $0 at both March 31, 2026 and December 31, 2025 (amortized cost of $3,038,388 and $3,088,820 at March 31, 2026 and December 31, 2025, respectively) Estimated Fair Value Total, Estimated Fair Value Debt Securities, Available-for-Sale, Excluding Accrued Interest Percentage of redemption price on principal Redemption Price Percentage Of Principal Redemption price percentage of principal. Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Subsequent Event Subsequent Event [Member] Summary of Stock Options on Valuation Assumptions Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Number of investment securities held to maturity Debt Securities Held to Maturity Number Debt Securities Held to Maturity Number Net interest income Interest Income (Expense), Operating Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Construction / Land Development and Other Commercial Real Estate Loans Construction Land Development And Other Commercial Real Estate Loans [Member] Construction, land development and other commercial real estate loans. PEO Total Compensation Amount PEO Total Compensation Amount Long-term Debt, Type Long-Term Debt, Type [Axis] Repurchase Agreements and Similar Transactions, Maturity Periods Repurchase Agreements and Similar Transactions, Maturity Periods [Axis] Amortization expense remainder for this year Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year Equity Components Equity Components [Axis] Year Four Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year Cash paid for amounts included in the measurement of lease liabilities Cash Paid For Amounts Included In Measurement Of Lease Liabilities Cash paid for amounts included in measurement of lease liabilities. Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Number of reportable segments Number of Reportable Segments Deferred tax assets: Components of Deferred Tax Assets [Abstract] Significant Estimates and Concentrations of Credit Risks Significant Estimates And Concentrations [Text Block] Significant Estimates and Concentrations Commercial Real Estate Commercial Real Estate [Member] Lease expense rate Operating Leases Of Lessee Rent Expenses Rate Operating leases of lessee rent expenses rate. Amortized cost Financing Receivable Collateral Dependent Amortized Cost Financing receivable collateral dependent amortized cost. Entity Address, State or Province Entity Address, State or Province Risk rating 6 Substandard [Member] Total interest income Interest Income Interest and Dividend Income, Operating Financial Asset, Aging Financial Asset, Aging [Domain] Issuance of restricted common stock (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Gross Individual: Individual [Axis] Income Tax Jurisdiction [Domain] Income Tax Jurisdiction [Domain] Repurchase gain Gain (Loss) on Repurchase of Debt Instrument Accounting Changes and Error Corrections [Abstract] Accounting Changes and Error Corrections [Abstract] Dividends paid on common stock Payments of Ordinary Dividends, Common Stock Amortization of securities, net Amortization Securities not due at a single maturity date, Amortized Cost Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Amortized Cost Principal Reduction Principal Forgiveness [Member] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Entity Interactive Data Current Entity Interactive Data Current Commercial and industrial Commercial And Industrial Portfolio Segment [Member] Commercial and industrial portfolio segment. Commercial loans terms Commercial Loans Terms Commercial loans terms. Municipal bond interest expense Effective Income Tax Rate Reconciliation, Nondeductible Expense, Municipal Interest Expense, Percent Effective Income Tax Rate Reconciliation, Nondeductible Expense, Municipal Interest Expense, Percent Weighted- Average Remaining Contractual Life (in years) Share-Based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Remaining Contractual Term Financing Receivable, Modifications [Line Items] Financing Receivable, Modified [Line Items] Gain (loss) on OREO, net Gains (Losses) on Sales of Other Real Estate Interest income: Interest and Dividend Income, Operating [Abstract] Executive compensation expense Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Amount Total non-interest expense Noninterest Expense Carrying value of investment securities Marketable Securities Interest on deposits Interest Expense, Deposits Non-interest income: Noninterest Income [Abstract] Interim financial information Interim Financial Information Policy [Policy Text Block] Interim Financial Information Policy Residential Real Estate Loans Residential Real Estate Loans [Member] Residential real estate loans. Criteria 1 Criteria One [Member] Criteria One [Member] Loan balance, nonaccrual Financing Receivable, Excluding Accrued Interest, Modified, After 12 Months, Nonaccrual Financing Receivable, Excluding Accrued Interest, Modified, After 12 Months, Nonaccrual Mountain Commerce Bancorp Inc Mountain Commerce Bancorp Inc. [Member] Mountain Commerce Bancorp Inc. 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] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Supplemental Cash Flow Elements [Abstract] Supplemental Cash Flow Elements [Abstract] Presentation of Classified Loans by Class and Risk Rating Financing Receivable Credit Quality Indicators [Table Text Block] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Originations of mortgage loans held for sale Payment for Origination, Loan, Mortgage, Held-for-Sale Comprehensive income: Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Other nontaxable income Effective Income Tax Rate Reconciliation, Tax Exempt Income, Other, Percent Effective Income Tax Rate Reconciliation, Tax Exempt Income, Other, Percent Assets Sold under Agreements to Repurchase, Type Assets Sold under Agreements to Repurchase, Type [Domain] Total Stockholders' Equity Stockholders' Equity, Total [Member] Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Dividends from FHLB, FRB, FNBB & other Dividend Income, Operating Unrecognized compensation cost net of income tax benefit, related to non-vested stock option awards Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Income tax at federal statutory rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Subsequent Event Type [Axis] Subsequent Event Type [Axis] Borrowed Funds [Line Items] Borrowed Funds [Line Items] Borrowed Funds [Line Items] Accrued interest payable Accrued Liabilities, Fair Value Disclosure Amortization expense for year 2029 Finite-Lived Intangible Asset, Expected Amortization, Year Three Foreclosed assets held for sale Real Estate Acquired Through Foreclosure Gross carrying basis Finite-Lived Intangible Assets, Gross 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 Summary of Currently Outstanding and Exercisable Options Share-Based Payment Arrangement, Option, Exercise Price Range [Table Text Block] Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] Investments [Domain] Investments [Domain] Tier 1 leverage capital ratio Tier One Leverage Capital Ratio Tier 1 leverage capital ratio, Internal Credit Assessment Internal Credit Assessment [Axis] Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Internal Credit Assessment Internal Credit Assessment [Domain] Exercise prices, lower range limit (in dollars per share) Share-Based Payment Arrangement, Option, Exercise Price Range, Lower Range Limit Net increase in federal funds sold Increase (Decrease) in Federal Funds Sold Income on bank-owned life insurance Effective Income Tax Rate Reconciliation, Tax Exempt Income, Bank-Owned Life Insurance, Amount Effective Income Tax Rate Reconciliation, Tax Exempt Income, Bank-Owned Life Insurance, Amount Fair Value as of Grant Date Award Grant Date Fair Value Year Five Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year Salaries and employee benefits Labor and Related Expense Non-government-sponsored asset backed securities Mortgage-Backed Securities, Issued by Private Enterprises [Member] Effect of common stock options (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Issued (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 Unrecognized compensation cost net of income tax benefit, related to non-vested awards Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Document Quarterly Report Document Quarterly Report Fair Value of Available-for-Sale Securities, Less Than 12 Months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Tier 1 risk-based capital ratio Banking Regulation, Tier 1 Risk-Based Capital Ratio, Actual Deposits Deposit Liabilities Disclosures [Text Block] Increase in cash value of life insurance Increase in cash value of life insurance Bank Owned Life Insurance Income Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Financial Instrument Performance Status Financial Instrument Performance Status [Axis] Unrealized Losses of Held-to-Maturity Securities, 12 Months or More Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Amortized Cost Basis of Loans on Nonaccrual Status and Loans Past Due Over 90 Days Still Accruing Financing Receivable, Nonaccrual [Table Text Block] Year 2 Lessee, Operating Lease, Liability, to be Paid, Year Two U.S. government-sponsored enterprises US Government-sponsored Enterprises Debt Securities [Member] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Risk-based capital ratio Risk Based Capital Ratio Risk-based capital ratio. Accrued interest receivable Accrued Investment Income Receivable 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] Intrinsic value of stock options outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Weighted-average discount rate Operating Lease Weighted Average Discount Rate Percentage Operating lease weighted average discount rate percentage. Weighted average stock price (in dollars per share) Weighted Average Repurchase Stock Price Weighted average repurchase stock price. Regulatory Matters [Line Items] Regulatory Matters [Line Items] Regulatory Matters [Line Items] Securities or Other Assets Sold under Agreements to Repurchase Securities or Other Assets Sold under Agreements to Repurchase [Axis] FHLB borrowed funds Advance from Federal Home Loan Bank Overnight and Continuous Maturity Overnight [Member] Gross Unrealized Gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Summary of Remaining Contractual Maturity of Securities Sold Under Agreements to Repurchase Schedule of Repurchase Agreements [Table Text Block] Operating supplies Direct Operating Maintenance Supplies Costs Award Type Award Type [Domain] Year 1 Lessee, Operating Lease, Liability, to be Paid, Year One Segment net interest income and noninterest income Revenues, Net of Interest Expense Equity Awards Adjustments Equity Awards Adjustments [Member] Advertising Advertising Expense Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Other Revenues Other Income Compensation Amount Outstanding Recovery Compensation Amount Deferred: Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Other Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent Debt Instrument, Name Debt Instrument, Name [Domain] Expected dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Writeoffs, Year Three Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Current Fiscal Year, Writeoff Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Current Fiscal Year, Writeoff Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Fair Value Measurements Estimate of Fair Value Measurement [Member] Performing Performing Financial Instruments [Member] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Due after one year through five years, Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five Demand and non-interest bearing Demand And Non Interest Bearing Fair Value Disclosure Demand and non-interest bearing fair value disclosure. Other Assets Other Assets Disclosure [Text Block] Remaining Capital Commitments Remaining Capital Commitments [Member] Remaining Capital Commitments Service charges on deposit accounts Deposit Account [Member] Financing Receivable, Recorded Investment, Past Due [Line Items] Financing Receivable, Past Due [Line Items] Due after five years through ten years, Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Net proceeds Proceeds from Issuance of Subordinated Long-Term Debt Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Excise tax from repurchase of common stock Treasury Stock, Value, Acquired, Tax Expense Treasury Stock, Value, Acquired, Tax Expense Financial Instruments Financial Instruments [Domain] Due after ten years, Estimated Fair Value Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 Gross deferred tax liabilities Deferred Tax Liabilities, Gross Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Other nondeductible expenses Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount Minimum Minimum [Member] Net interest income after credit loss expense Interest Income (Expense), after Provision for Loan Loss First National Bankers' Bank and Other Miscellaneous Holdings Bankers Bank And Other Miscellaneous Holdings [Member] Bankers' Bank and other miscellaneous holdings. Schedule Of Foreclosed Assets Activity [Line Items] Schedule Of Foreclosed Assets Activity [Line Items] Schedule Of Foreclosed Assets Activity [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Regulatory Matters [Abstract] Regulatory Matters [Abstract] Regulatory Matters [Abstract] Company Selected Measure Name Company Selected Measure Name Fair Value Measurement Fair Value Measurement [Domain] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Other comprehensive (loss) income before tax effect Other Comprehensive Income (Loss), before Tax Collateral Held Collateral Held [Domain] Schedule Of Assets Sold Under Agreements To Repurchase [Table] Asset Sold under Agreement to Repurchase [Table] Goodwill Goodwill [Roll Forward] Loans Past Due Over 90 Days Still Accruing Accruing Loans Past Due 90 Days or More Financing Receivable, 90 Days or More Past Due, Still Accruing Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Percentage of Company's investment portfolio Available For Sale Securities Debt Maturities After One Through Five Years Percentage Available for sale securities debt maturities after one through five years percentage. Average diluted shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Operating Segments Segment Reporting, Policy [Policy Text Block] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Credit loss expense Financing Receivable, Credit Loss, Expense (Reversal), Adjusted Financing Receivable, Credit Loss, Expense (Reversal), Adjusted Entity Small Business Entity Small Business Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Other operating expenses Total other operating expenses Other expense Other Cost and Expense, Operating State Current State and Local Tax Expense (Benefit) Document Transition Report Document Transition Report Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Due after one year through five years, Estimated Fair Value Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Loan Restructuring Modification Name [Axis] Loan Restructuring Modification Name [Axis] Underlying Securities Award Underlying Securities Amount Commitment And Contingencies [Line Items] Commitment And Contingencies [Line Items] Commitment And Contingencies [Line Items] Time deposits with a minimum denomination of $100,000 Time Deposits, $100,000 or More Percentage of loan value of land to be acquired and developed Percentage Of Loan Value Of Land To Be Acquired And Developed Percentage of loan value of land to be acquired and developed. Equity Component Equity Component [Domain] Document Period End Date Document Period End Date Debt Securities, Held-to-maturity, Allowance for Credit Loss Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Table Text Block] Income Taxes Income Tax Disclosure [Text Block] Business acquisition, common stock conversion ratio Business Combination, Conversion Ratio of Common Stock Received Per Share Business Combination, Conversion Ratio of Common Stock Received Per Share Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Residential real estate loans Residential Real Estate Portfolio Segment [Member] Residential real estate portfolio segment. Held-to-Maturity Investment Securities Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Abstract] Total investment securities Debt Securities, Available-for-Sale and Held-to-Maturity, after Allowance for Credit Loss Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items] Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items] Document Type Document Type Level 3 Fair Value, Inputs, Level 3 [Member] Name Outstanding Recovery, Individual Name Product and Service Product and Service [Axis] SBA Loans S B A Loans [Member] SBA Loans [Member] Total consolidated revenues Revenue from Contract with Customer, Excluding Assessed Tax Variable lease expense Variable Lease, Cost Federal Home Loan Bank Branch Federal Home Loan Bank Branch [Axis] 13 Modified Loan Borrowers 13 Modified Loan Borrowers [Member] 13 Modified Loan Borrowers Interest Only Interest Forgiveness [Member] Interest Forgiveness Statistical Measurement Statistical Measurement [Axis] Forfeited/Expired (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Intrinsic value of stock options exercised Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value Redemption of other investments (Payments For) Proceeds From Other Investments Payments for (proceeds from) other investments. Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Net income Net income Net Income (Loss) Available to Common Stockholders, Basic Available for sale securities sold Available For Sale Securities Amortized Cost Proceeds This item represents the amount sold related to the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. FDIC and state assessment F D I C And State Assessment Income Expenses FDIC and state assessment (income) expenses. Accounts receivable financed percentage Financing Receivable, Percent Past Due Fair value of equity securities Fair Value Of Equity Investment Fair Value Of Equity Investment Combination Interest Rate Reduction and Term Extension Extended Maturity and Interest Rate Reduction [Member] Loans, ending balance Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months Basel III Basel Three [Member] Capital ratio under Basel III Level 1 Fair Value, Inputs, Level 1 [Member] Line of credit Long-Term Line of Credit Cash payments received by stockholders, value per share (in dollars per share) Business Combination, Cash Payments Received By Common Stockholders, Per Share Business Combination, Cash Payments Received By Common Stockholders, Per Share Aaa/AAA Standard & Poor's, AAA Rating [Member] Other Assets [Abstract] Other Assets [Abstract] Diluted earnings per share (in dollars per share) Earnings Per Share, Diluted Other tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Other, Amount Due after five years through ten years, Estimated Fair Value Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Writeoffs, Revolving Financing Receivable, Excluding Accrued Interest, Revolving, Originated, Current Fiscal Year, Writeoff Financing Receivable, Excluding Accrued Interest, Revolving, Originated, Current Fiscal Year, Writeoff State and local Income Tax Paid, State and Local, after Refund Received Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Number of revolving loans convert to term loans Number Of Revolving Loans Convert To Term Loans Number of revolving loans convert to term loans. Term Extension Extended Maturity [Member] FHLB and other borrowed funds Federal Home Loan Bank Borrowings, Fair Value Disclosure Financing Receivable Portfolio Segment Financing Receivable Portfolio Segment [Axis] Due in one year or less, Amortized Cost Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, Year One Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, Year One Discount effect of cash flows Lessee, Operating Lease, Liability, Undiscounted Excess Amount Minimum Rental Commitments under Operating Leases Schedule Of Future Minimum Lease Commitments [Table Text Block] Tabular disclosure of future minimum lease payments as of the latest balance sheet date presented in aggregate for each of the five succeeding fiscal years. Total Income taxes paid, net of refunds received Income Taxes Paid, Net Other nondeductible expenses Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Percent Risk rating 1 Excellent [Member] Excellent. Amortization expense for year 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Two $28.00 to $29.99 Range Six [Member] Range 6. Granted (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Total future minimum lease payments Lessee, Operating Lease, Liability, to be Paid Loans receivable Loans Total Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss Subordinated Debentures Subordinated Borrowings Disclosure [Text Block] Mortgage lending income Mortgage Lending Income The noninterest income derived from mortgage lending activities (fees and commission on mortgage originations). Securities sold under agreements to repurchase Total borrowings Securities Sold under Agreements to Repurchase Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] Expiration Date Trading Arrangement Expiration Date Accrued interest payable and other liabilities Increase (Decrease) in Other Operating Liabilities Allowance for credit losses, HTM Allowance for Credit Losses Beginning balance Ending balance Debt Securities, Held-to-Maturity, Allowance for Credit Loss, Excluding Accrued Interest Bank premises and equipment, net Property, Plant and Equipment, Net Geographic Concentration Geographic Concentration Risk [Member] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Investment Securities Investments In Debt And Equity Securities [Text Block] This element represents the complete disclosures related to investment securities. Entity Current Reporting Status Entity Current Reporting Status Receivables [Abstract] Receivables [Abstract] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Collateral Held Collateral Held [Axis] Due in one year or less, Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One Income tax at federal statutory rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Loss on sale of branches, equipment and other assets, net Gain (Loss) on Disposition of Property Plant Equipment Financial Instrument Financial Instrument [Axis] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Executive Category: Executive Category [Axis] Accounting Standards Update Accounting Standards Update [Domain] Fair value of unrealized losses Unrealized Losses of Available-for-Sale Securities, 12 Months or More Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Executive compensation expense Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Percent Loans Receivable and Allowance for Credit Losses Financing Receivable [Policy Text Block] State income taxes, net of federal income taxes Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Current Fiscal Year End Date Current Fiscal Year End Date Expected life of options Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Unrealized Losses of Available-for-Sale Securities, Less Than 12 Months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Total deposits Total deposits Deposits Deposits Summary of Various Categories of Loans Receivable Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Other professional fees Professional Fees Remaining shares of common stock available for future grants Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Other expense 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] Debt securities available for sale unrealized loss position Unrealized Losses of Available-for-Sale Securities, Total Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss Amount of loan assessed for impairment on a quarterly basis Minimum Amount Of Loan Assessed For Impairment On Quarterly Basis Minimum Amount Of Loan Assessed For Impairment On Quarterly Basis Fair Value By Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Schedule of Held-to-maturity Securities [Line Items] Schedule of Held-to-Maturity Securities [Line Items] Summary of Aging Analysis for Loans Receivable Financing Receivable, Past Due [Table Text Block] Investments Deferred Tax Assets, Investments Leases Lessee, Operating Leases [Text Block] Net cash provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Measure: Measure [Axis] Provision for credit losses on loans Provision for credit losses - loans Provision for credit losses Financing Receivable, Credit Loss, Expense (Reversal) Investment Income [Table] Investment Income [Table] Investment Income [Table] 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 Risk-free interest rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Entity Tax Identification Number Entity Tax Identification Number Provision for credit losses Debt Securities, Held-to-Maturity, Credit Loss Expense (Reversal) Securities not due at a single maturity date, Estimated Fair Value Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Fair Value Outstanding, beginning of year (in dollars per share) Outstanding, ending of year (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Other Commercial Real Estate Other Commercial Real Estate [Member] Other Commercial Real Estate Common stock, shares issued (in shares) Common Stock, Shares, Issued Recovery of credit losses Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss, Period Increase (Decrease) Private mortgage-backed securities Commercial Mortgage-Backed Securities [Member] Goodwill and Core Deposits and Other Intangibles Goodwill and Intangible Assets Disclosure [Text Block] Schedule Of Other Assets [Table] Schedule Of Other Assets [Table] Schedule Of Other Assets [Table] U.S. government-sponsored mortgage-backed securities Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member] Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Security Exchange Name Security Exchange Name Number of investments in debt securities held-to-maturity unrealized loss position Held-to-Maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions Weighted-average remaining lease term (in years) Weighted Average Remaining Lease Term Of Operating Lease Weighted average remaining lease term of operating lease. Mortgage-backed securities Collateralized Mortgage-Backed Securities [Member] Loans Receivable Financing Receivables [Text Block] Due after ten years, Amortized Cost Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year 10 Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year 10 Business Combination, Consideration Transferred, Equity Interest, Type Business Combination, Consideration Transferred, Equity Interest, Type [Domain] Common stock shares repurchased (in shares) Stock Repurchased During Period, Shares Asset Class [Domain] Asset Class [Domain] Deposits [Line Items] Deposits [Line Items] Deposits [Line Items] Statement [Line Items] Statement [Line Items] $18.00 to $19.99 Range One [Member] Range 1. Investment securities pledged as collateral Debt Securities, Held-to-Maturity, Restricted Risk rating 8 Assets Classified As Loss [Member] Assets classified as loss. Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and Cash Equivalent Commitments to extend credit outstanding Unused Commitments to Extend Credit Borrowers Experiencing Financial Difficulty Borrowers Experiencing Financial Difficulty [Member] Borrowers Experiencing Financial Difficulty Subsequent Event [Line Items] Subsequent Event [Line Items] Common Stock Common Stock [Member] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Brokered deposits Interest-Bearing Domestic Deposit, Brokered Other short term borrowings Other Short-Term Borrowings Net change in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Common stock, cash dividends per share (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid Accrued interest receivable Accrued Interest Receivable Fair Value Disclosure Accrued interest receivable fair value disclosure. Statistical Measurement Statistical Measurement [Domain] Writeoffs, Year Five Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Current Fiscal Year, Writeoff Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Current Fiscal Year, Writeoff Amortized cost Amortized Cost Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss Remainder of fiscal year 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] Income (loss) from equity method investments Income (Loss) from Equity Method Investments Leases [Abstract] Leases [Abstract] Fair Value of Held-to-Maturity Securities, Total Debt Securities, Held-to-Maturity, Unrealized Loss Position, Fair Value Directors’ fees Directors Fees Directors fees. Business acquisition, equity interest issuable, number of shares (in shares) Business Combination, Consideration Transferred, Equity Interest, Share Issued, Number of Shares Gross Unrealized (Losses) Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Basic earnings per share (in dollars per share) Earnings Per Share, Basic Shares of common stock reserved for issuance Common Stock, Capital Shares Reserved for Future Issuance Financing Receivable Nonaccrual [Table] Financing Receivable, Nonaccrual [Table] Gross deferred tax assets Deferred Tax Assets, Gross Other comprehensive (loss) income Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Schedule of Segment Reporting Information, by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Accrued interest receivable Increase (Decrease) in Accrued Interest Receivable, Net Collateral discount Financing Receivable, Collateral Discount Financing Receivable, Collateral Discount Gross Unrealized Gains Debt Securities, Held-to-Maturity, Accumulated Unrecognized Gain Amortized Cost and Fair Value of Securities Available-for-Sale Schedule of Available-for-Sale Securities Reconciliation [Table Text Block] Cumulative Effect, Period of Adoption Cumulative Effect, Period of Adoption [Domain] Insurance commissions Insurance Commissions and Fees Deferred compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits Writeoffs, Total Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Due after one year through five years, Amortized Cost Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year One through Five Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year One through Five Taxable Income earned on securities, taxable Interest Income, Securities, Operating, Taxable Schedule Of Accounts Notes Loans And Financing Receivable [Table] Accounts and Financing Receivables [Table] Accelerated depreciation on premises and equipment Deferred Tax Liabilities Accelerated Depreciation On Premises And Equipment Deferred tax liabilities deferred expense accelerated depreciation on premises and equipment. Recoveries of loans previously charged off Financing Receivable Allowance For Credit Losses Recoveries Of Loans Previously Charged Off Financing receivable allowance for credit losses recoveries of loans previously charged off. Debt Securities, Available-for-Sale, Allowance for Credit Loss Debt Securities, Available-for-Sale, Allowance for Credit Loss [Table Text Block] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Mortgage loans held for sale Financing Receivable, Held-for-Sale, Not Part of Disposal Group, after Valuation Allowance Tier 1 risk-based capital ratio Tier One Risk Based Capital Ratio Tier 1 risk-based capital ratio. Total liabilities and stockholders’ equity Liabilities and Equity Concentration Risk Benchmark Concentration Risk Benchmark [Axis] Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] FHLB and other borrowed funds Interest Expense, Federal Home Loan Bank and Federal Reserve Bank Advances, Long-Term Trust fees Trust Fees Trust Fees Other Deferred Tax Assets, Other Other information: Other Information [Abstract] Other information Alabama Arkansas Florida Texas And New York Alabama Arkansas Florida And New York [Member] South Alabama, Arkansas, Florida and New York City. Concentration Risk Type Concentration Risk Type [Domain] $24.00 to $25.99 Range Four [Member] Range 4. Year One Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year Pay vs Performance Disclosure [Line Items] Tier 1 leverage capital ratio Banking Regulation, Tier 1 Leverage Capital Ratio, Well Capitalized, Minimum Lease liability Present value of net future minimum lease payments Operating Lease, Liability Loans Past Due 90 Days or More Financial Asset, Equal to or Greater than 90 Days Past Due [Member] Acquisitions Business Combination [Text Block] Depreciation, depletion and amortization Depreciation, Depletion and Amortization, Nonproduction Options Exercisable Shares (in shares) Share-Based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable Federal Home Loan Bank ("FHLB") and Federal Reserve Bank ("Federal Reserve") Federal Home Loan Bank And Federal Reserve Bank [Member] Federal home loan bank and federal reserve bank. Schedule Of Foreclosed Assets Activity [Table] Schedule Of Foreclosed Assets Activity [Table] Schedule Of Foreclosed Assets Activity [Table] Preferred Trust Securities and Subordinated Debentures Preferred Trust Securities And Subordinated Debt Securities [Table Text Block] Preferred trust securities and subordinated debt securities. Exercise prices, upper range limit (in dollars per share) Share-Based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit Subordinated notes, net of issuance costs, issued in 2022, due 2032, fixed rate of 3.125% during the first five years and at a floating rate of 182 basis points above the then three-month SOFR rate, reset quarterly, thereafter, callable in 2027 without penalty 3.125% Fixed to Floating Rate Subordinated Notes due 2032 Three Point One Two Five Fixed To Floating Rate Subordinated Notes Due Two Thousand Thirty Two [Member] Three Point One Two Five Fixed To Floating Rate Subordinated Notes Due Two Thousand Thirty Two Impairment of goodwill Goodwill, Impairment Loss Regulatory Matters Regulatory Capital Requirements under Banking Regulations [Text Block] Investment Income [Line Items] Investment Income [Line Items] Investment Income [Line Items] 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 Year 3 Lessee, Operating Lease, Liability, to be Paid, Year Three 2022 Plan 2022 Plan [Member] 2022 Plan Writeoffs, Prior Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff Tier 1 risk-based capital ratio Banking Regulation, Tier 1 Risk-Based Capital Ratio, Well Capitalized, Minimum Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Name Measure Name Due in one year or less, Estimated Fair Value Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Multifamily residential Multifamily Residential Real Estate Loans [Member] Multifamily residential real estate loans. Long-term Federal Home Loan Bank Advances Long-term Federal Home Loan Bank Advances [Member] Long-term Federal Home Loan Bank Advances Net increase in deposits Increase (Decrease) in Deposits Proceeds from maturities of investment securities – available-for-sale Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale Core Deposit Intangibles Finite-Lived Intangible Assets [Roll Forward] Financing Receivable Nonaccrual Status [Line Items] Financing Receivable, Nonaccrual [Line Items] Banking Segment Banking Segment [Member] Banking Segment Interest on municipal securities Effective Income Tax Rate Reconciliation, Tax Exempt Income, Interest on Municipal Securities, Amount Effective Income Tax Rate Reconciliation, Tax Exempt Income, Interest on Municipal Securities, Amount Reserves for collateral-dependent loans Impaired Financing Receivable, Related Allowance, Fair Value Remeasurement Impaired Financing Receivable, Related Allowance, Fair Value Remeasurement Legal Entity [Axis] Legal Entity [Axis] Inventory financing percentage Financing Inventory Percentage Financing inventory percentage. Total assets Assets Assets Summary of Company's Restricted Stock Issued and Outstanding Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] Allowance for credit losses Deferred Tax Asset, Tax Deferred Expense, Reserve and Accrual, Financing Receivable, Allowance for Credit Loss Amortization expense for year 2027 Finite-Lived Intangible Asset, Expected Amortization, Year One Geographical Geographical [Domain] Operating Activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Nature of Operations and Summary of Significant Accounting Policies Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Other segment items Segment Reporting, Other Segment Item, Amount Concentration Risk Type Concentration Risk Type [Axis] Term Extension and Interest Only Term Extension and Interest Forgiveness [Member] Term Extension and Interest Forgiveness Amortization expense for year 2030 Finite-Lived Intangible Asset, Expected Amortization, Year Four Estimated Fair Value Estimated Fair Value Investment securities - held-to-maturity Debt Securities, Held-to-Maturity, Fair Value Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Requested dividend by the company from its subsidiary Dividends From Banking Subsidiary Dividends from Banking Subsidiary Lease expense: Lease, Cost [Abstract] Schedule of Available-for-sale Securities [Line Items] Debt Securities, Available-for-Sale [Line Items] Cumulative Effect Period of Adoption Adjustment Cumulative Effect, Period of Adoption, Adjustment [Member] Level 2 Fair Value, Inputs, Level 2 [Member] Due after five years through ten years, Estimated Fair Value Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 State income taxes, net of federal income taxes Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Business Combination Business Combination [Domain] Non-farm/non-residential Commercial Real Estate Non Farm Nonresidential [Member] Commercial Real Estate Non Farm Nonresidential [Member] Summary of Components of Provision (Benefit) for Income Taxes Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Plan Name [Axis] Plan Name [Axis] PEO PEO [Member] Amortized Cost and Estimated Fair Value of Securities Contractual Maturity Investments Classified by Contractual Maturity Date [Table Text Block] Postage Postage Expense Residential 1-4 family Residential One Four Family [Member] Residential 1-4 family. Core deposit intangible Deferred Tax Liabilities, Intangible Assets Telephone Communication Income Tax Paid, by Individual Jurisdiction [Line Items] Income Tax Paid, by Individual Jurisdiction [Line Items] Securities not due at a single maturity date, Amortized Cost Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss, Maturity, without Single Maturity Date Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss, Maturity, without Single Maturity Date Consumer & Other Consumer And Other Portfolio Segment [Member] Consumer & other. Securities Sold under Agreements to Repurchase [Abstract] Securities Sold under Agreements to Repurchase [Abstract] Changes in assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Deteriorated Credit Quality Financial Asset Acquired with Credit Deterioration [Member] Expected stock price volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Time deposits Time Deposits Mortgage Loans Mortgage Loans [Member] Mortgage loan. Retained Earnings Retained Earnings [Member] Income Tax Jurisdiction [Axis] Income Tax Jurisdiction [Axis] Cash and cash equivalents – beginning of year Cash and cash equivalents – end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Fair Value of Available-for-Sale Securities, 12 Months or More Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Schedule Of Financing Receivable Troubled Debt Restructurings [Table] Financing Receivable, Modified [Table] Product and Service Product and Service [Domain] Available-for-sale: Debt Securities, Available-for-Sale [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Schedule Of Business Acquisitions By Acquisition [Table] Business Combination [Table] Business Combination, Consideration Transferred, Equity Interest, Type Business Combination, Consideration Transferred, Equity Interest, Type [Axis] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Income Tax Paid, by Individual Jurisdiction [Table] Income Tax Paid, by Individual Jurisdiction [Table] Revolving Loans Amortized Cost Basis Financing Receivable, Excluding Accrued Interest, Revolving Risk rating 4 Watch [Member] Watch. City Area Code City Area Code Balance of Allowance for Credit Losses Financing Receivable, Allowance for Credit Loss [Table Text Block] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Agricultural Agricultural Portfolio Segment [Member] Agricultural Portfolio Segment [Member] Loan Restructuring Modification Name [Domain] Loan Restructuring Modification Name [Domain] Investing Activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] A Standard & Poor's, A Rating [Member] Operating Lease, Liability, Statement of Financial Position [Extensible List] Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration] Time deposits Time Deposits Fair Value Disclosure Time deposits fair value disclosure. Total lease expense Lease, Cost Marketable equity securities Equity Securities, FV-NI Goodwill Carrying amount of Company's goodwill Goodwill Additional Information of Lease Expense Lease, Cost [Table Text Block] Post- Modification Outstanding Balance Financing Receivable, Modified in Period, Amount Not rated Standard & Poor's, Not Rated [Member] Standard & Poor's, Not Rated Federal Deferred Federal Income Tax Expense (Benefit) Percentage of loan value of improved property Percentage Of Loan Value Of Improved Property Percentage of loan value of improved property. Other Performance Measure, Amount Other Performance Measure, Amount Weighted- Average Exercisable Price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Fair Value Measurement Fair Value Measurement, Policy [Policy Text Block] Amount Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract] Credit Concentration Credit Concentration Risk [Member] Financing receivable, individually evaluated for credit loss, interest income Financing Receivable, Individually Evaluated for Credit Loss, Interest Income Financing Receivable, Individually Evaluated for Credit Loss, Interest Income Restricted cash Restricted Cash Financial liabilities: Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] Commercial real estate loans Commercial Real Estate Portfolio Segment [Member] Banking Regulation, Mortgage Banking, Secondary Market Investor Banking Regulation, Mortgage Banking, Secondary Market Investor [Axis] Capital surplus Additional Paid in Capital, Common Stock Entity [Domain] Entity [Domain] Credit Loss Status Credit Loss Status [Axis] Net cash provided by (used in) investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Percentage of Total Class of Loans Receivable Financing Receivable, Troubled Debt Restructuring, Postmodification, Percentage of Financing Receivable Financing Receivable, Troubled Debt Restructuring, Postmodification, Percentage of Financing Receivable 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] Held-to-maturity: Debt Securities, Held-to-Maturity, Fair Value [Abstract] Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activity Document Fiscal Year Focus Document Fiscal Year Focus Right of use asset Operating Lease, Right-of-Use Asset Common Stock, Compensation Plans and Other Shareholders' Equity and Share-Based Payments [Text Block] Total Effective Income Tax Rate Reconciliation, Percent Operating lease expense Operating Lease, Cost Carrying Amount Reported Value Measurement [Member] Plan Name [Domain] Plan Name [Domain] Accretion of purchased loans Accretion Of Purchased Loans Accretion of purchased loans. Due after five years through ten years, Amortized Cost Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year Five through Ten Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year Five through Ten Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Equity [Abstract] Equity [Abstract] Nonaccrual Financing Receivable, Nonaccrual Proceeds from sale of SBA loans Proceeds From Sale Of Sba Loans Proceeds From Sale Of SBA Loans Schedule of Income Earned on Available-for Sale Securities Interest and Other Income [Table Text Block] Criteria 2 Criteria Two [Member] Criteria Two [Member] Segment Information Segment Reporting Disclosure [Text Block] 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] Federal Current Federal Tax Expense (Benefit) Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Data processing expense Information Technology and Data Processing Risk rating 7 Doubtful [Member] Other securities Other Debt Obligations [Member] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value, Recurring and Nonrecurring [Table] Amortization expense Amortization of intangibles Amortization of Intangible Assets Deferred tax asset, net Deferred Income Tax Assets, Net Repurchase of shares of common stock Stock Repurchased During Period, Value Securities Sold Under Agreements to Repurchase Repurchase Agreements, Resale Agreements, Securities Borrowed, and Securities Loaned Disclosure [Text Block] Non-performing Nonperforming Financial Instruments [Member] Savings and interest-bearing transaction accounts Savings And Interest Bearing Transaction Accounts Fair Value Disclosure Savings and interest-bearing transaction accounts fair value disclosure. Arrangement Duration Trading Arrangement Duration Segments [Axis] Segments [Axis] Other nontaxable income Effective Income Tax Rate Reconciliation, Tax Exempt Income, Other, Amount Effective Income Tax Rate Reconciliation, Tax Exempt Income, Other, Amount Number of loans Financing Receivable, Modified in Period, Number of Contracts Financing Receivable, Modified in Period, Number of Contracts Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Agricultural Commercial Real Estate Agricultural [Member] Commercial real estate. Assets Assets [Abstract] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Risk rating 2 Good [Member] Good. Debt Instrument Debt Instrument [Axis] Savings and interest-bearing transaction accounts Interest-Bearing Deposit Liabilities, Domestic Assets acquired by foreclosure SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Acquisition Through Foreclosure Financial Instruments Fair Value Disclosures [Text Block] Business Combination [Line Items] Business Combination [Line Items] Agricultural & other Agricultural And Other Portfolio Segment [Member] Agricultural and other portfolio segment. Stockholders’ equity: Equity, Attributable to Parent [Abstract] Principal Reduction and Interest Rate Reduction Principal and Rate Modification [Member] Principal and Rate Modification Presentation of Troubled Debt Restructurings ("TDRs") by Class Financing Receivable, Modified [Table Text Block] Subordinated notes, Interest rate Debt Instrument, Interest Rate, Stated Percentage Loans Past Due 30-59 Days Financial Asset, 30 to 59 Days Past Due [Member] Interest Rate Reduction and Term Extension Rate And Term Modification [Member] Rate And Term Modification [Member] Loan discounts Deferred Tax Assets Loan Discount Deferred tax assets loan discount. Individually evaluated loans (collateral-dependent) Individually Evaluated Collateral Dependent Loans [Member] Individually Evaluated Collateral Dependent Loans Entity Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Total risk-based capital ratio Banking Regulation, Total Risk-Based Capital Ratio, Well Capitalized, Minimum Depreciation & amortization Depreciation, Nonproduction All other states State and Local Tax Jurisdiction, Other [Member] Fair Value Assets, Fair Value Disclosure Total credit loss expense Provision for Loan, Lease, and Other Losses Fed funds sold Federal Funds Sold Number of investment in debt securities available-for-sale unrealized loss position Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions Deposits: Deposits [Abstract] Total Past Due Financial Asset, Past Due [Member] Number of operating segments Number of Operating Segments Cumulative Effect, Period of Adoption Cumulative Effect, Period of Adoption [Axis] Held-to-maturity Held to Maturity Debt Securities [Member] Held to Maturity Debt Securities Fair Value of Held-to-Maturity Securities, Less Than 12 Months Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value Summary of Carrying Amount and Accumulated Amortization of Core Deposits and Other Intangibles Schedule of Finite-Lived Intangible Assets [Table Text Block] Restatement Determination Date: Restatement Determination Date [Axis] $26.00 to $27.99 Range Five [Member] Range 5. Share-based compensation net issuance of shares of restricted common stock Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Writeoffs, Year Two Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Current Fiscal Year, Writeoff Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Current Fiscal Year, Writeoff Components of Non-Interest Expense Components Of Non Interest Expense [Table Text Block] Tabular disclosure of the components of non-interest expense. Number of related parties Number of Related Parties Number of Related Parties Name Trading Arrangement, Individual Name Number of business branches Number of Business Branches Number of Business Branches Payment default loans Financing Receivable, Modified, Subsequent Default Company repurchased Debt Instrument, Repurchase Amount Trust preferred securities, face amount Debt Instrument, Face Amount Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Name Awards Close in Time to MNPI Disclosures, Individual Name Gain on sale of SBA loans Gain On Sale Of Sba Loans Gain on sale of SBA loans. Other operating expenses: Other Operating Expenses [Abstract] Other operating expenses. Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Electronic banking expense Electronic Banking Expense Electronic banking expense. Maturity description of investment portfolio Investment Maturity Date Description Investment Maturity Date Description Deposits [Table] Deposits [Table] Deposits [Table] Decrease in FHLB and other borrowed funds Increase (Decrease) in Federal Funds Purchased Intrinsic value of stock options vested Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Segments [Domain] Segments [Domain] Credit Loss Status Credit Loss Status [Domain] Number of investment securities available for sale Debt Securities Available For Sale Number Number of investments in debt securities measured at fair value Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Domain] Repurchase Agreements and Similar Transactions, Maturity Periods Repurchase Agreements and Similar Transactions, Maturity Periods [Domain] Other tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Other, Percent Interest expense: Interest Expense, Operating and Nonoperating [Abstract] Earnings per Share Earnings Per Share, Policy [Policy Text Block] Purchases of investment securities – available-for-sale Payments to Acquire Debt Securities, Available-for-Sale State and political subdivisions US States and Political Subdivisions Debt Securities [Member] Common equity Tier 1 risk-based capital ratio Tier One Common Equity Risk Based Capital Ratio Tier one common equity risk based capital ratio. Subordinated debentures Subordinated Debt Year Two Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year Subordinated debt securities Subordinated Debt [Member] Financial Asset, Aging Financial Asset, Aging [Axis] All Executive Categories All Executive Categories [Member] Differences between Tax Basis of Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Advances from Federal Home Loan Banks [Abstract] Advance from Federal Home Loan Bank [Abstract] Common stock, par value $0.01; shares authorized 400,000,000 in 2026 and 2025; shares issued and outstanding 196,394,178 in 2026 and 196,357,167 in 2025 Common Stock, Value, Issued Increase in value of equity method investments Income (Loss) from Equity Method Investments, Net of Dividends or Distributions Loans Interest and Fee Income, Loans and Leases Business acquisition, equity interest issuable, value Business Combination, Consideration Transferred, Equity Interest, Share Issued, Value $20.00 to $21.99 Range Two [Member] Range 2. Writeoffs, Year One Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff Due from bank service charges Due From Bank Service Charges Due from bank service charges. Business Combination Business Combination [Axis] Weighted-Average Exercise Price (in dollars per share) Share-Based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Exercise Price Recent Accounting Pronouncements Accounting Standards Update and Change in Accounting Principle [Text Block] Net deferred tax assets Deferred Tax Assets, Net Borrowed Funds [Table] Borrowed Funds [Table] Borrowed Funds [Table] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Due after ten years, Estimated Fair Value Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 FHLB and Other Borrowed Funds Federal Home Loan Bank Advances, Disclosure [Text Block] Forfeited/Expired (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period Risk rating 5 Other Loans Especially Mentioned [Member] Other loans especially mentioned. Loans Past Due 60-89 Days Financial Asset, 60 to 89 Days Past Due [Member] Schedule Of Financing Receivable Allowance For Credit Losses [Table] Financing Receivable, Allowance for Credit Loss [Table] All Individuals All Individuals [Member] Long-term Debt, Type Long-Term Debt, Type [Domain] Residential Real Estate Residential Real Estate [Member] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Purchases of premises and equipment Payments to Acquire Property, Plant, and Equipment Name Forgone Recovery, Individual Name Available-for-Sale Investment Securities Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward] Accrued interest receivable reversed Accrued Interest Receivable Reversed In To Non Accrual Status Accrued Interest Receivable Reversed In To Non Accrual Status Regulatory Agency Regulatory Agency [Domain] Net issuance of shares of common stock from exercise of stock options Stock Issued During Period, Value, Stock Options Exercised, Net of Issuance Costs Stock Issued During Period, Value, Stock Options Exercised, Net of Issuance Costs 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] FHLB interest rate Federal Home Loan Bank, Advance, Branch of FHLBank, Interest Rate Nonaccrual loans with specific reserve Financing Receivable, Nonaccrual, No Allowance Increase in value of foreclosed assets Fair Value Adjustment For Foreclosed Assets Fair Value Adjustment For Foreclosed Assets Debt Securities, Held-to-maturity [Table] Debt Securities, Held-to-Maturity [Table] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Fair value adjustment for marketable securities Decrease (increase) in value of equity securities Fair Value Adjustment For Marketable Securities Fair value adjustment for marketable securities. Geographical Geographical [Axis] Unrealized losses Unrealized Losses of Held-to-Maturity Securities Debt Securities, Held-to-Maturity, Unrealized Loss Position, Accumulated Loss Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Weighted-Average Exercise Price (in dollars per share) Share-Based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Concentration Risk Benchmark Concentration Risk Benchmark [Domain] Total Interest Income, Operating Title of 12(b) Security Title of 12(b) Security Other Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount Purchases for improvements to foreclosed assets Payments for Purchases for Foreclosed Asset Improvements Payments for Purchases for Foreclosed Asset Improvements Construction/land development Commercial Real Estate Construction Land Development Loan [Member] Commercial Real Estate Construction Land Development Loan [Member] Securities sold under agreements to repurchase Interest Expense, Securities Sold under Agreements to Repurchase Accrued interest payable and other liabilities Accrued Interest Payable And Other Liabilities The aggregate carrying amount, as of the balance sheet date, of liabilities not separately disclosed in the balance sheet. Cash value of life insurance Cash Surrender Value of Life Insurance Financing Receivable Allowance For Credit Losses [Line Items] Financing Receivable, Allowance for Credit Loss [Line Items] Exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Award Timing Disclosures [Line Items] Securities sold under agreements to repurchase Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure Common equity Tier 1 risk-based capital ratio Tier One Risk Based Common Equity Required To Be Well Capitalized To Risk Weighted Assets Tier one risk based common equity required to be well capitalized to risk weighted assets. Measurement Frequency [Domain] Measurement Frequency [Domain] Number of lease properties Number of Lease Properties Number of Lease Properties Net increase (decrease) in securities sold under agreements to repurchase Proceeds from (Payments for) in Securities Sold under Agreements to Repurchase State Deferred State and Local Income Tax Expense (Benefit) Loan Restructuring Modification Loan Restructuring Modification [Domain] Loans receivable, net Loans receivable, net Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss Proceeds from sales of mortgage loans held for sale Proceeds from Sale, Loan, Mortgage, Held-for-Sale Net income Net Income (Loss) Attributable to Parent Subsequent Event [Table] Subsequent Event [Table] Risk-based capital ratio Banking Regulation, Total Risk-Based Capital Ratio, Actual Reconciliation between Statutory Federal Income Tax Rate and Effective Income Tax Rate Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Preferred stock, shares authorized Preferred Stock, Shares Authorized Repurchase of common stock Payments for Repurchase of Common Stock Adoption Date Trading Arrangement Adoption Date Reclassifications Reclassification, Comparability Adjustment [Policy Text Block] Term Extension and Principal Reduction Term Extension and Principal Reduction [Member] Term Extension and Principal Reduction Schedule Of Financing Receivables Past Due [Table] Financing Receivable, Past Due [Table] Net recoveries Net loans recovered (charged off) Financing Receivable Allowance For Credit Losses Recovery Charged Off Financing receivable allowance for credit losses recovery (charged off). Commitment And Contingencies [Table] Commitment And Contingencies [Table] Commitment And Contingencies [Table] Merger and acquisition expenses Merger And Acquisition Expenses Merger And Acquisition Expenses Retained earnings Retained Earnings (Accumulated Deficit) Interest expense applicable to certificate Interest Expense Domestic Deposit Liabilities, Certificates of Deposit Short-term Federal Home Loan Bank Advances Short-term Federal Home Loan Bank Advances [Member] Short-term Federal Home Loan Bank Advances 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] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Thereafter Lessee Operating Lease Liability Payment Due After Year Four Lessee, operating lease, liability payment due, after year five. 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] Other Deferred Tax Liabilities, Other Statement [Table] Statement [Table] Summary of Total Foreclosed Assets Schedule Of Recorded Investment In Loans Held For Investment And Related Allowance For Loan Losses By Portfolio Segment [Table Text Block] Schedule of recorded investment in loans held for investment and related allowance for loan losses by portfolio segment. Deferred income tax effect Total deferred Deferred Income Tax Expense (Benefit) Adjustments to reconcile net income to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Financing Activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Loans sold during period Loans Sold During Period Loans sold during period. Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, Fiscal Year Maturity [Abstract] Other Other Real Estate [Member] Other real estate. All Adjustments to Compensation All Adjustments to Compensation [Member] Interest Rate Reduction Contractual Interest Rate Reduction [Member] Amendment Flag Amendment Flag Estimated Fair Value Debt Securities, Available-for-Sale, Fair Value, Fiscal Year Maturity [Abstract] Maximum number of shares available for grants under the plan (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Loans collateralized by first liens on real estate amortized period Loans Collateralized By First Liens On Real Estate Amortized Period Loans collateralized by first liens on real estate amortized period. Non-accrual interest income Deferred Tax Assets Non Accrual Interest Income Amount of Deferred Tax Assets Non Accrual Interest Income. Regulatory Matters [Table] Regulatory Matters [Table] Regulatory Matters [Table] Termination Date Trading Arrangement Termination Date Interest-bearing deposits with other banks Interest-Bearing Deposits in Banks and Other Financial Institutions Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Allowance for credit losses Allowance for credit loss Beginning balance Ending balance Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest Subordinated debentures Subordinated Debt Obligations, Fair Value Disclosure Loans Receivable Loans Receivable Outstanding [Member] Loans receivable outstanding. Held-to-Maturity Securities Credit Quality Indicators Held-to-Maturity Securities Credit Quality Indicators [Table Text Block] Held-to-Maturity Securities Credit Quality Indicators Summary of Stock Option Transactions under Plan Share-Based Payment Arrangement, Option, Activity [Table Text Block] Average shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Fair Value, Assets Measured on Recurring Basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] Agency backed Standard & Poor's, Agency Backed [Member] Standard & Poor's, Agency Backed Additional Cash Flow Information Cash Flow, Supplemental Disclosures [Text Block] Computation of Basic and Diluted Earnings per Common Share (EPS) Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Variable Rate Component [Domain] Variable Rate Component [Domain] Variable Rate Component [Domain] Recovery of credit losses on unfunded commitments Recovery of credit losses - unfunded commitments Recovery Of Loan Losses Expensed on Unfunded Commitments Recovery Of Loan Losses Expensed on Unfunded Commitments Exercisable, end of year (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Financial receivable, excluding accrued interest, modified in period, premodification Financial Receivable, Excluding Accrued Interest, Modified In Period, Premodification Financial Receivable, Excluding Accrued Interest, Modified In Period, Premodification Exercise Price Range Exercise Price Range [Domain] Subsequent Events [Abstract] Segment Reporting [Abstract] Writeoffs, Year Four Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Current Fiscal Year, Writeoff Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Current Fiscal Year, Writeoff Lease rent expense Operating Lease, Expense Debt Disclosure [Abstract] Debt Disclosure [Abstract] Proceeds from sale of foreclosed assets Proceeds from Sale of Foreclosed Assets Net unrealized (loss) gain on available-for-sale securities OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax Variable Rate Component One Variable Rate Component One [Member] Variable Rate Component One Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Federal funds sold Interest Income, Federal Funds Sold and Securities Purchased under Agreements to Resell Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Other Other Portfolio Segment [Member] Other portfolio segment. Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Use of Estimates Use of Estimates, Policy [Policy Text Block] Occupancy and equipment Occupancy, Net Options Outstanding Shares (in shares) Share-Based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding Estimated Fair Values of Financial Instruments Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Available-for-sale Available for Sale Debt Securities [Member] Available for Sale Debt Securities Subsequent Events Subsequent Events [Text Block] Insider Trading Arrangements [Line Items] Prior Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year Current Loans Financial Asset, Not Past Due [Member] Allowance for credit losses, AFS Allowance for Credit Losses Beginning balance Ending balance Debt Securities, Available-for-Sale, Allowance for Credit Loss, Excluding Accrued Interest Total liabilities Liabilities Municipal bond interest expense Effective Income Tax Rate Reconciliation, Nondeductible Expense, Municipal Interest Expense, Amount Effective Income Tax Rate Reconciliation, Nondeductible Expense, Municipal Interest Expense, Amount Interest on municipal securities Effective Income Tax Rate Reconciliation, Tax Exempt Income, Interest on Municipal Securities, Percent Effective Income Tax Rate Reconciliation, Tax Exempt Income, Interest on Municipal Securities, Percent Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Net decrease (increase) in loans Payments for (Proceeds from) Loans and Leases Total foreclosed assets held for sale Other Real Estate, Foreclosed Assets, and Repossessed Assets Financial Instrument Performance Status Financial Instrument Performance Status [Domain] U.S. government-sponsored mortgage-backed securities Other Security Investments [Member] Subordinated debentures Interest Expense, Subordinated Notes and Debentures Deferred tax liabilities: Components of Deferred Tax Liabilities [Abstract] Proceeds from maturities of investment securities – held-to-maturity Proceeds from Maturities, Prepayments and Calls of Held-to-Maturity Securities Investment securities — held-to-maturity, net of allowance for credit losses of $2,005 at both March 31, 2026 and December 31, 2025 Net Carrying Amount Debt Securities, Held-to-Maturity, Excluding Accrued Interest, after Allowance for Credit Loss Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member]