Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Trading Arrangement: Trading Arrangement [Axis] Maximum Maximum [Member] Loans held for sale Loans held for sale Loans held for sale Financing Receivable, Held-for-Sale Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Range [Domain] Statistical Measurement [Domain] Debt securities with carrying values, pledged Recorded Unconditional Purchase Obligation, Nonfinancial Assets Pledged as Security, Value Title of 12(b) Security Title of 12(b) Security Carrying amount Reported Value Measurement [Member] Net income available to shareholders, diluted Net Income (Loss) Available to Common Stockholders, Diluted Debt Securities, Available-for-sale [Table] Debt Securities, Available-for-Sale [Table] Document Fiscal Year Focus Document Fiscal Year Focus Obligation to collect cash collateral Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Offset Schedule of Fair Value Measurements of Assets and Liabilities Measured on a Non-Recurring Basis Fair Value Measurements, Nonrecurring [Table Text Block] Adjustment to Compensation, Amount Adjustment to Compensation Amount Pledged Status [Axis] Pledged Status [Axis] Financial Instrument [Axis] Financial Instrument [Axis] Non-accrual with no Allowance Financing Receivable, Nonaccrual, No Allowance Other investment securities Other Assets, Fair Value Disclosure Segment Reporting [Abstract] Total deposits Deposits Schedule of Assets and Liabilities Recorded at Fair Value on a Recurring Basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] Common stock, $1.00 par value, authorized 15,000,000 shares; issued 7,554,893 shares Common Stock, Value, Issued 2027 Lessee, Operating Lease, Liability, to be Paid, Year One Retirement Plans Retirement Benefits [Text Block] Leases Lessee, Finance Leases [Text Block] Restatement Determination Date Restatement Determination Date Amortized cost, gross urealized gains and losses, and fair value of debt securities classified as available-for-sale Debt Securities, Available-for-Sale, Fair Value to Amortized Cost, after Allowance for Credit Loss [Abstract] Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets ROU assets Right Of Use Assets [Abstract] Right Of Use Assets Interest on Federal Home Loan Bank advances Interest Expense, Federal Home Loan Bank and Federal Reserve Bank Advances, Long-Term 2027 Finance Lease, Liability, to be Paid, Year One Proceeds from sales of FHLB stock Proceeds from Sale of Federal Reserve Bank Stock Derivative Instrument [Axis] Derivative Instrument [Axis] Due after five years through ten years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 5 through 10 Years, Fair Value Other Other Noninterest Expense Measurement Frequency [Axis] Measurement Frequency [Axis] Gross loans Business Combination, Recognized Asset Acquired, Financing Receivable, Gross Business Combination, Recognized Asset Acquired, Financing Receivable, Gross 2030 Lease Liability Payments Due Year Four Lease Liability Payments Due Year Four Amendment Flag Amendment Flag Stock repurchased (in dollars per share) Shares Acquired, Average Cost Per Share Client Swaps Client Swaps [Member] Client Swaps Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Financial Instrument Performance Status [Domain] Financial Instrument Performance Status [Domain] Decrease in finance lease liabilities Finance Lease, Principal Payments Thereafter Lease Liability Payments Due After Year Four Lease Liability Payments Due After Year Four Gross unrealized losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Investment Securities Investment [Text Block] Standby letters of credit Standby Letters of Credit [Member] Deposits Deposit Liabilities Disclosures [Text Block] Origination of mortgage loans held for sale Payment for Origination, Loan, Mortgage, Held-for-Sale Leases [Abstract] Leases [Abstract] Repayment of financing obligation Repayment Of Financing Obligation Repayment Of Financing Obligation Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax [Abstract] Federal Home Loan Bank Advances Federal Home Loan Bank Advances [Member] Total lease liabilities, as reported Total lease liabilities, as reported Lease liabilities Lease liabilities Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Prior, charge-offs Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff Other real estate owned - net Total other real estate owned and repossessed assets Other Real Estate, Foreclosed Assets, and Repossessed Assets Entity Address, State or Province Entity Address, State or Province Aggregate unrealized loss Total 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Commitment [Member] Total non-interest income Non-interest income Noninterest Income Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Total Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss Income from fees Revenue from Contract with Customer, Including Assessed Tax Entity Address, City or Town Entity Address, City or Town Time deposits Time Deposits, Less than $100,000 Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period FHLB stock Federal Home Loan Bank Stock Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Class of Financing Receivable, Type [Domain] Class of Financing Receivable [Domain] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Loans and Allowance for Credit Losses Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Receivables [Abstract] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Time deposits Time Deposits Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Current fiscal year, charge-offs Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff Total provision for (release of) credit losses on loans and unfunded commitments Financing Receivable, Credit Loss Expense (Reversal) On Loans And Unfunded Commitments Financing Receivable, Credit Loss Expense (Reversal) On Loans And Unfunded Commitments Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Net income available to shareholders, basic Net Income (Loss) Available to Common Stockholders, Basic FHLB advances and other borrowings Federal Home Loan Bank Borrowings, Fair Value Disclosure Supplemental disclosures of cash flow information: Additional Cash Flow Elements and Supplemental Cash Flow Information [Abstract] Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Dividends on other investments Dividend Income, Operating Investment Program, Proportional Amortization Method, Elected [Line Items] Investment Program, Proportional Amortization Method, Elected [Line Items] Proceeds from the sale of mortgage loans held for sale Proceeds from Sale, Loan, Mortgage, Held-for-Sale Furniture and equipment expense Equipment Expense Net loans Net loans Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss Other comprehensive income (loss), before reclassifications OCI, before Reclassifications, before Tax, Attributable to Parent Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Segment Reporting Segment Reporting [Table Text Block] Gain on sales and dispositions of premises and equipment Gain (Loss) on Disposition of Property Plant Equipment Pension and other postretirement benefits cost (reversal of cost) Defined Contribution Plan, Employer Discretionary Contribution Amount Gain on sale of mortgage loans, net Gain on sale of mortgage loans, net Gain (Loss) on Sale of Mortgage Loans Total other comprehensive income (loss) Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Release of credit losses Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) Including Unfunded Commitments Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) Including Unfunded Commitments Total Time Deposit Liability, above US Insurance Limit Schedule of Maturity of Remaining Operating Leases Liabilities Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Allowance for credit losses Balance at beginning of period Balance at end of period Allowance Allocated Credit losses on unfunded commitments Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest Year three Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year Document Period End Date Document Period End Date Summary Of Significant Accounting Policies Summary Of Significant Accounting Policies [Line Items] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Watch Watch [Member] Watch Real estate mortgage − commercial Real Estate Mortgage - Commercial Real Estate Mortgage, Commercial [Member] Real Estate Mortgage, Commercial Net cash provided by (used in) investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Basic and Diluted Earnings Per Share: Earnings Per Share, Basic [Abstract] 2028 Lessee, Operating Lease, Liability, to be Paid, Year Two Revolving Loans Converted to Term Loans Amortized Cost Basis Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan Stockholders’ Equity and Accumulated Other Comprehensive Income (Loss) Equity [Text Block] Security Exchange Name Security Exchange Name Less imputed interest Lease Liability Undiscounted Excess Amount Lease Liability Undiscounted Excess Amount Treasury stock; 654,215 and 653,633 shares, at cost, respectively Treasury Stock, Common, Value 2025 Repurchase Plan 2025 Repurchase Plan [Member] 2025 Repurchase Plan Fair Value Debt Securities, Available-for-Sale, Maturity, Fair Value, Rolling Maturity [Abstract] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Income tax (benefit) expense Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent Finance lease weighted average remaining lease term (in years) Finance Lease, Weighted Average Remaining Lease Term Total Total liabilities Liabilities, Fair Value Disclosure Accumulated other comprehensive loss, net of tax Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Consolidation Items [Domain] Consolidation Items [Domain] Accrued interest receivable and other assets Interest Receivable and Other Assets Loans and Allowance for Loan Losses Loans and Leases Receivable Disclosure [Line Items] 12 months or more Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer ROU assets-finance leases Finance Lease, Right-of-Use Asset, after Accumulated Amortization Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Due after five years through ten years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 5 through 10 Years, Amortized Cost Earnings per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Earnings Per Share [Abstract] Earnings Per Share [Abstract] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Document Fiscal Period Document Fiscal Period Focus Number of branch locations Business Combination, Number Of Branch Locations Business Combination, Number Of Branch Locations Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Total liabilities Liabilities Trading Symbol Trading Symbol Total interest expense on borrowings Interest Expense, Borrowings Available-for-sale debt securities, at fair value Fair Value Available-for-sale debt securities, at fair value Debt Securities, Available-for-Sale, Excluding Accrued Interest Processing, network, and bank card expense Loan Processing Fee Purchases of premises and equipment Payments to Acquire Property, Plant, and Equipment 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] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Financing Receivable, Allowance for Credit Loss [Line Items] Financing Receivable, Allowance for Credit Loss [Line Items] Proceeds from FHLB advances and other borrowings Proceeds from FHLBank Borrowings, Financing Activities Company 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Postretirement (Income) Costs Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Financial Instrument Performance Status [Axis] Financial Instrument Performance Status [Axis] Schedule of Derivatives Not Designated as Hedging Instruments Derivatives Not Designated as Hedging Instruments [Table Text Block] Year one Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year Repayment of FHLB advances and other borrowings Payments of FHLBank Borrowings, Financing Activities Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Total Non-accrual Financing Receivable, Nonaccrual Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Diluted weighted-average shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Schedule of Activity in Valuation Allowance for Other Real Estate Owned Other Real Estate Allowance Roll Forward [Table Text Block] Real estate owned valuation allowance. Collateral-dependent loans Impaired Loans, Measurement Input Impaired Loans, Measurement Input Allowance for loan losses Accounts, Notes, Loans and Financing Receivable [Line Items] Entity Emerging Growth Company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Consumer mortgage loans in process of foreclosure Mortgage Loans in Process of Foreclosure, Amount 2028 Finance Lease, Liability, to be Paid, Year Two Loans held for investment Total Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss Underlying Security Market Price Change Underlying Security Market Price Change, Percent 2030 Finance Lease, Liability, to be Paid, Year Four Other interest bearing deposits Other Interest-Bearing Deposits Other Interest-Bearing Deposits Derivative Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] U.S. Treasury US Treasury Securities [Member] Less imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Commitments to extend credit Commitments to Extend Credit [Member] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Summary of activity in valuation allowance for other real estate owned in settlement of loans Real Estate Owned Valuation Allowance [Roll Forward] Charge-offs Real Estate Owned, Valuation Allowance, Amounts Applied Savings, interest checking and money market Interest Expense, NOW Accounts, Money Market Accounts, and Savings Deposits Less imputed interest Finance Lease, Liability, Undiscounted Excess Amount Interest and fees on loans Interest and Fee Income, Other than Loans Held-for-sale Amount of interest and fee income from loans other than held-for-sale Mortgage-backed securities Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, 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Adjustments Service Cost [Member] Residential Residential Mortgage-Backed Securities [Member] Schedule of Components of Net Pension Cost Schedule of Net Benefit Costs [Table Text Block] Depreciation expense Depreciation Plan Name [Domain] Plan Name [Domain] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Total Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Amortized Cost Quantity Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward] 90 Days Past Due And Still Accruing Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing ROU assets-operating leases Operating Lease, Right-of-Use Asset Defined benefit pension plans: Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax [Abstract] Schedule of Calculations of Basic and Diluted Earnings Per Common Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Loans held for investment originated through other real estate and repossessed assets sold Loans And Leases Receivable Originated Through Sale Of Other Real Estate and Repossesed Assets Loans And Leases Receivable Originated Through Sale Of Other Real Estate and Repossesed Assets Segment Information Segment Reporting [Text Block] Proceeds from maturities, calls, and paydowns of available-for-sale debt securities Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale Minimum Minimum [Member] Cash dividends paid - common stock Payments of Ordinary Dividends, Common Stock Expiration Date Trading Arrangement Expiration Date Proceeds from sales of other real estate and repossessed assets Proceeds from sales of other real estate and repossessed assets The cash inflow from sales of other real estate and repossessed assets. Amortization expense Investment Program, Proportional Amortization Method, Applied, Amortization Expense Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] 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] Accrued interest on loans Financing Receivable, Accrued Interest, after Allowance for Credit Loss Business Combination [Line Items] Business Combination [Line Items] Total Non-performing Loans Financing Receivable Modifications Recorded Investment Accrual Status Represents the amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings and are on accrual status as of the balance sheet date. Net periodic pension income Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Other Real Estate and Other Assets Acquired in Settlement of Loans Real Estate Owned [Text Block] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Other Noninterest Income, Other Operating Income Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Table] Common stock, authorized (in shares) Common Stock, Shares Authorized Savings, interest checking and money market Savings, interest checking and money market Interest-Bearing Deposit Liabilities Antidilutive Security, Excluded EPS Calculation [Table] Antidilutive Security, Excluded EPS Calculation [Table] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Individually evaluated for impairment Financing Receivable, Individually Evaluated for Credit Loss Exercise Price Award Exercise Price Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Recurring Fair Value, Recurring [Member] Segment Reporting [Line Items] Segment Reporting [Line Items] Authorized amounts under the share repurchase program Share Repurchase Program, Authorized, Amount Net income Business Combination, Pro Forma Information, Pro Forma Income (Loss), after Tax Non-accrual with Allowance Financing Receivable, Nonaccrual, With Allowance Financing Receivable, Nonaccrual, With Allowance Document Quarterly Report Document Quarterly Report 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] Segments [Domain] Segments [Domain] Federal funds sold and overnight interest bearing deposits Federal Funds Sold And Other Interest Bearing Deposits Represents the amount outstanding of funds lent to other depository institutions, securities brokers, or securities dealers in the form of Federal Funds sold and Interest-bearing deposits in other financial institutions for relatively short periods of time including, for example, certificates of deposits, which are presented separately from cash on the balance sheet. Derivative instruments, interest rate swaps Interest Rate Swap [Member] Obligations of states and political subdivisions US States and Political Subdivisions Debt Securities [Member] Special Mention Special Mention [Member] Proceeds from sales of available-for-sale securities Proceeds from Sale of Debt Securities, Available-for-Sale Three year before current fiscal year, charge-offs Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff Accrued interest payable Interest Payable Shelf Registration Shelf Registration [Member] Shelf Registration Proceeds from financing obligation Proceeds From Financing Obligation Proceeds From Financing Obligation Provision for (release of) credit losses on loans and unfunded commitments Financing Receivable, Unfunded Commitments, And Debt Securities, Excluding Accrued Interest, Credit Loss Expense (Reversal) Financing Receivable, Unfunded Commitments, And Debt Securities, Excluding 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period Equity, Attributable to Parent Other investments Total other investment securities Equity Securities, FV-NI, Current ASSETS Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Accounting Policies [Abstract] Accounting Policies [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Schedule of Risk Categories by Class Financing Receivable Credit Quality Indicators [Table Text Block] Operating lease liabilities Operating lease liabilities Total lease liabilities, as reported Operating Lease, Liability Nonrecurring Fair Value, Nonrecurring [Member] Legal, examination, and professional fees Professional Fees Insider Trading Policies and Procedures [Line Items] Finance lease liabilities Finance lease liabilities Finance Lease, Liability Non-performing TDRs - 90 days past due Nonperforming Financial Instruments [Member] Taxable Interest Income, Securities, Operating, Taxable Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Unfunded commitments Investment Program, Proportional Amortization Method, Elected, Commitment Financing Receivable Portfolio Segment [Domain] Financing Receivable Portfolio Segment [Domain] Business Combination [Domain] Business Combination [Domain] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Other Other Expense, Nonoperating [Abstract] Number of operating segments Number of Operating Segments Antidilutive securities (shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Financing Receivables, Period Past Due [Domain] Financial Asset, Aging [Domain] Restricted Stock Units RSUs Restricted Stock Units (RSUs) [Member] Entity Central Index Key Entity Central Index Key Components of net pension cost Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] Dividends declared not paid - common stock Dividends, Common Stock, Stock Net interest income after provision for (release of) credit losses on loans and unfunded commitments Interest Income (Expense), after Provision for Loan Loss Surplus Additional Paid in Capital, Common Stock All Adjustments to Compensation All Adjustments to Compensation [Member] Business Combination [Axis] Business Combination [Axis] 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] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Substandard Substandard [Member] Pledging Purpose [Domain] Pledging Purpose [Domain] Income Statement [Abstract] Income Statement [Abstract] Stockholders’ equity: Equity, Attributable to Parent [Abstract] Pledging Purpose [Axis] Pledging Purpose [Axis] Document Transition Report Document Transition Report Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Investment, Name [Axis] Investment, Name [Axis] Operating expenses Operating Expenses [Abstract] Share Repurchase Program [Table] Share Repurchase Program [Table] Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Other real estate and repossessed assets and Premises and equipment held for sale, net Other Real Estate, Repossessed Assets, And Premises And Equipment Held For Sale, Measurement Input Other Real Estate, Repossessed Assets, And Premises And Equipment Held For Sale, Measurement Input City Area Code City Area Code Total lease payments Finance Lease, Liability, to be Paid Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] All Individuals All Individuals [Member] Subsequent Events Subsequent Events [Text Block] Name Forgone Recovery, Individual Name Unrecognized share-based compensation cost, period of recognition (in years) Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Weighted-Average Grant Date Fair Value Per share Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, 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The value of other real estate and repossessed assets acquired in settlement of loans in a noncash transaction. 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Schedule of Contractual Amount of Off-Balance-Sheet Financial Instruments Schedule of Fair Value, off-Balance-Sheet Risks [Table Text Block] Investment Program, Proportional Amortization Method, Elected [Table] Investment Program, Proportional Amortization Method, Elected [Table] Lease Right Of Use assets Lease Right Of Use assets Lease Right Of Use assets Accrued interest receivable Interest Receivable Due in one year or less Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Amortized Cost Name Trading Arrangement, Individual Name Nonvested award, excluding option, cost not yet recognized, amount Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Cash and cash equivalents Cash and Cash Equivalent Interest on subordinated notes Interest Expense, Subordinated Notes and Debentures Finance Leases Finance Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Investment securities gains (losses), net Investment securities (gains) losses, net Investment securities gains (losses), net Debt and Equity Securities, Gain (Loss) Company Selected Measure Amount Company Selected Measure Amount Financial Asset, Period Past Due [Axis] Financial Asset, Aging [Axis] Derivatives not designated as hedging instruments Not Designated as Hedging Instrument [Member] Depreciation Depreciation, Depletion and Amortization Equity Method Investments and Joint Ventures [Abstract] Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Deposits Deposits [Abstract] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Accounts and Financing Receivables [Table] Allowance for Loan and Lease Losses [Roll Forward] Allowance for Loan and Lease Losses [Roll Forward] Increase in cash surrender value - life insurance Life Insurance, Corporate or Bank Owned, Change in Value Operating lease weighted average remaining lease term (in years) Operating Lease, Weighted Average Remaining Lease Term Less valuation allowance for other real estate owned Balance, beginning of period Balance, end of period Real Estate Owned, Valuation Allowance Total Fair Value Disclosure, off-Balance-Sheet Risks, Face Amount, Liability Derivative instruments, interest rate swaps Derivative Liability Non-PEO NEO Non-PEO NEO [Member] Credit Risk Contract Credit Risk Contract [Member] Entity Address, Address Line One Entity Address, Address Line One Right of use assets obtained in exchange for new operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Vested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Income tax expense Income taxes Income Tax Expense (Benefit) Total non-interest expense Noninterest Expense Award Timing Method Award Timing Method [Text Block] FSC SC Bancshares, Inc. And Farmers State Bank (Collectively, “FSC”) [Member] SC Bancshares, Inc. And Farmers State Bank (Collectively, “FSC”) Net (decrease) increase in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Charge-offs Total charge-offs Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Schedule of Impaired Financing Receivable [Table] Schedule of Impaired Financing Receivable [Table] Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Schedule of summary of Significant Accounting Policies. Accrued interest on investments Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss Amortization of unrecognized net gain Defined Benefit Plan, Amortization of Gain (Loss) Provision for (release of) provision for valuation allowance for other real estate owned Real Estate Owned, Valuation Allowance, Period Increase (Decrease) Federal funds sold and Other interest-bearing deposits Interest Income, Federal Funds Sold And Interest Income, Other Deposits With Financial Institutions Interest Income, Federal Funds Sold And Interest Income, Other Deposits With Financial Institutions Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent, Net of Tax [Roll Forward] Net income Net income Net Income (Loss) Attributable to Parent Interest and fees on loans held for sale Interest and Fee Income, Financing Receivable, Held-for-Sale Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Proceeds from sales of premises and equipment Proceeds from Sale of Property, Plant, and Equipment Statement [Table] Statement [Table] Certificates of deposit in other banks Certificates of deposit in other banks Cash Equivalent, Certificate of Deposit, Carrying Value Non-Bank Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member] Financing Receivable, Past Due [Table] Financing Receivable, Past Due [Table] Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Restatement Determination Date: Restatement Determination Date [Axis] Schedule of the Change in the Components of the Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Year two Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year Schedule of Financing Receivable, Nonaccrual Financing Receivable, Nonaccrual [Table Text Block] Real estate construction − commercial Real Estate Construction - Commercial Real Estate Construction, Commercial [Member] Real Estate Construction, Commercial Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Four Amount of lessee's undiscounted obligation for lease payment for operating lease due after fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Schedule of Other Securities Investment Holdings, Other than Securities [Table Text Block] Brokered deposits Interest-Bearing Domestic Deposit, Brokered Interest on deposits: Interest Expense, Deposits [Abstract] Non-cash investing and financing activities: Other Noncash Investing and Financing Items [Abstract] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract]