Entity Address, City or Town Entity Address, City or Town Treasury stock repurchased Treasury stock repurchased Stock Repurchased During Period, Value With a specific allowance recorded, Recorded Investment Impaired loans with a valuation allowance Impaired Financing Receivable, with Related Allowance, Recorded Investment Reconciliation of the Statutory Federal Income Tax Rate to the Effective Tax Rate Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] ALLOWANCE FOR CREDIT LOSSES: Allowance For Credit Losses [Abstract] Allowance For Credit Losses [Abstract] Net unrealized gain on available-for-sale securities Deferred Tax Liabilities Net Unrealized Gain On Available For Sale Securities Deferred tax liabilities net unrealized gain on available for sale securities. Net earnings available to common shareholders Net Income (Loss) Available to Common Stockholders, Basic Minimum Regulatory Capital Requirements Regulatory Capital Requirements under Banking Regulations [Text Block] Fair Value Disclosures [Abstract] Proceeds from bank owned life insurance Proceeds from Life Insurance Policy Allowance for Loan Losses Allowance for Loan and Lease Losses [Roll Forward] Fair value of assets acquired Fair Value of Assets Acquired Earnings Per Share [Abstract] Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Effective Income Tax Rate Reconciliation, Deduction, Amount, Total Section 831 deduction Effective Income Tax Rate Reconciliation, Deduction, Amount Purchases Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Cash Flows from Financing Activities Net Cash Provided by (Used in) Financing Activities [Abstract] Purchase of bank owned life insurance Payment to Acquire Life Insurance Policy, Investing Activities Increase (Decrease) in Other Operating Assets and Liabilities, Net, Total Other assets and liabilities Change in other assets and other liabilities, net Increase (Decrease) in Other Operating Assets and Liabilities, Net Fair Value Measurement Fair Value Measurement [Domain] Long-Term Line of Credit, Total Line of credit Long-Term Line of Credit Change in interest-bearing time deposits Proceeds from (Payments for) in Interest-Bearing Deposits in Banks Business combination, acquisition related costs percentage Business Combination Acquisition Related Costs Percentage Business combination acquisition related costs percentage. Amendment Flag Amendment Flag Analysis of Allowance for Credit Losses Activities In Allowance For Credit Losses Table [Text Block] Tabular disclosure of activities disclosure in allowance for credit losses. Activity in available-for-sale securities: Activity in available-for-sale securities: Additional Cash Flow Elements, Investing Activities [Abstract] Subsequent Event Type Subsequent Event Type [Domain] Major Category Of Receivables Due Within One Year to Five Years [Member] Major Category Of Receivables Due Within One Year To Five Years [Member] Major Category Of Receivables Due Within One Year To Five Years[Member] Schedule Of Assets Sold Under Agreements To Repurchase [Table] Schedule of Assets Sold under Agreements to Repurchase [Table] Minimum ratio of capital to risk-weighted assets Total Risk-Based Capital to Risk Weighted Assets For Capital Adequacy Purposes, Ratio Banking Regulation, Total Risk-Based Capital Ratio, Capital Adequacy, Minimum Servicing Transfers and Servicing of Financial Assets [Text Block] Commercial [Member] Commercial Loan [Member] Fair value of Federal Home Loan Bank (FHLB) advances, valuation amount Fair Value Of Federal Home Loan Bank Advances Valuation Amount Fair value of Federal Home Loan Bank advances, valuation amount. Schedule of Subordinated Notes Schedule of Subordinated Borrowing [Table Text Block] Share price Business Acquisition, Share Price Goodwill, Ending Balance Goodwill, Beginning Balance Goodwill, Total Goodwill Goodwill Restricted shares issued Stock issued to number of employees Share Based Compensation Arrangement By Share Based Payment Award Number Of Employee Share Issued Share based compensation arrangement by share based payment award number of employee share issued. Fees And Commissions Income [Abstract] Fees And Commissions Income [Abstract] Other securities Securities Borrowed, Fair Value Disclosure Minimum leverage ratio calculated as ratio of Tier 1 capital to average quarterly assets Tier 1 leverage Capital to Adjusted Total Assets Actual, Ratio Banking Regulation, Tier 1 Leverage Capital Ratio, Actual Loans Loans - Gross Loans and Leases Receivable, Gross Debt Instrument [Table] Schedule of Long-Term Debt Instruments [Table] Interest - municipals / interest-bearing time deposits Municipalities Interest Income, Securities, State and Municipal Income Interest Income Interest and Dividend Income, Operating [Abstract] Variable Interest Entity [Line Items] Purchase of treasury stock Payments for Repurchase of Common Stock Sales Proceeds from Sale of Debt Securities, Available-for-Sale Transfer of loans to other real estate owned Real Estate Owned, Transfer from Real Estate Owned Interest income recognized on a cash basis on impaired loans Interest Income Recognized Cash Basis Impaired Financing Receivable, Interest Income, Cash Basis Method Earnings Per Share Earnings Per Share, Policy [Policy Text Block] Cash and Cash Equivalents [Domain] Ownership interest amount Related Party Ownership Amount In Concern Entity Related party ownership amount in concern entity. Standby letters of credit [Member] Standby Letters of Credit [Member] Investment in subsidiaries Equity Method Investments Statement [Table] Statement [Table] Gross realized gains Debt Securities, Available-for-Sale, Realized Gain Bank Owned Life Insurance Bank Owned Life Insurance Policy [Text Block] Bank owned life insurance. Basic and Diluted Earnings Per Share Business Acquisition Pro Forma Earnings Per Share Basic And Diluted Business acquisition pro forma earnings per share basic and diluted. Federal Home Loan Bank advances Federal Home Loan Bank Borrowings, Fair Value Disclosure Schedule Of Compliance With Regulatory Capital Requirements Under Banking Regulations [Table] Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table] Business Acquisition Business Acquisition [Axis] Unpledged securities which could be sold or used as collateral Unpledged Securities Unpledged securities. Pledged as Collateral Asset Pledged as Collateral without Right [Member] Payment of dividends Cash dividends paid on common stock Payments of Ordinary Dividends, Common Stock Common stock, no par value Common Stock, No Par Value Auditor Firm ID Auditor Firm ID With no related allowance recorded, Recorded Investment Impaired loans without a valuation allowance Impaired Financing Receivable, with No Related Allowance, Recorded Investment Amortized Cost, One year or less Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One Weighted average fair value per award, Beginning of period Weighted average fair value per award, Nonvested, end of period Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Weighted average fair value per award, Vested Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Major Category Of Receivables Over Five Years [Member] Major Category Of Receivables Over Five Years [Member] Major Category Of Receivables Over Five Years [Member] Minimum number of shares to be exchanged under merger agreement Minimum Number of Shares to be Exchanged Under the Agreement Minimum number of shares to be exchanged under the agreement. Schedule of Condensed Balance Sheets Condensed Balance Sheet [Table Text Block] Amount of reclassification effect Reclassification Of Gains Losses To Net Income Reclassification of gains losses to net income. Restrictions of Dividends & Inter-company Borrowings Restrictions on Dividends, Loans and Advances [Text Block] Business Combination & Asset Purchase Business Combination Disclosure [Text Block] Interest Expense, Federal Funds Purchased and Securities Sold under Agreements to Repurchase, Total Federal funds purchased and securities sold under agreements to repurchase Interest Expense, Federal Funds Purchased and Securities Sold under Agreements to Repurchase Beginning balance, shares Ending balance, shares Shares, Issued Product and Service Product and Service [Axis] Restricted shares vested Number of employees, received the stock Share Based Compensation Arrangement By Share Based Payment Award Number Of Employees Share based compensation arrangement by share based payment award number of employees. Sale Of Property Sale Of Property [Member] Sale of property. Loans serviced for others unpaid principal amount Loans Serviced For Others Unpaid Principal Amount Loans serviced for others unpaid principal amount. Gain on bank owned life insurance Bank Owned Life Insurance Income One-time Cumulative-effect Adjustment [Member] Cumulative Effect, Period of Adoption, Adjustment [Member] Treasury Stock Treasury Stock Policy [Text Block] Treasury stock. Common stock issued in exchange of each outstanding share Business Acquisition Equity Interest Issued Or Issuable Per Share Of Acquired Entity Business acquisition, equity interest issued or issuable for per share of acquired entity Total Liabilities and Stockholders' Equity Liabilities and Equity Servicing Assets At Fair Value [Table] Schedule of Servicing Assets at Fair Value [Table] Reclassification Reclassification, Comparability Adjustment [Policy Text Block] Issuance of common stock in acquisition, net off repurchases Stock Issued During Period Shares Acquisitions Net Off Repurchases Stock issued during period shares acquisitions net off repurchases. Supplemental noncash disclosures: Other Noncash Investing and Financing Items [Abstract] 4 [Member] 4 [Member] Satisfactory Monitored [Member] Satisfactory Monitored [Member] Pledged Status [Domain] Amount of fair value of capital over carrying value Reporting Unit, Amount of Fair Value in Excess of Carrying Amount Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Income Statement [Abstract] Term Note [Member] Term Note [Member] Term note. Income Taxes Business Acquisitions Pro Forma Income Taxes Expense Benefit Business acquisitions pro forma income taxes expense benefit. Schedule Of Fair Value Off Balance Sheet Risks [Table] Schedule of Fair Value, off-Balance-Sheet Risks [Table] Fair Value, After five years through ten years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Interest income recognized on impaired loans Interest Income Recognized Impaired Financing Receivable, Interest Income, Accrual Method Maximum Amount Borrowings Outstanding Month End Securities Sold Under Agreements To Repurchase Maximum Monthly Outstanding Amount Securities sold under agreements to repurchase maximum monthly outstanding amount. Maturities Proceeds from Sale of Held-to-Maturity Securities Sale of Stock Sale of Stock [Domain] Daily Securities [Member] Daily Securities [Member] Daily Securities Sold Under Agreement to Repurchase [Member] Fair Value, After ten years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 Business combination recognized identifiable assets acquired and liabilities assumed interest bearing time deposits. Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Interest Bearing Time Deposits Interest-bearing time deposits Gross realized losses Debt Securities, Available-for-Sale, Realized Loss Operating loss carryforwards Operating Loss Carryforwards Earnings Per Share Basic [Line Items] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] 8 [Member] Loss [Member] Loss. 30-90 Days [Member] Maturity 30 to 90 Days [Member] Total borrowings, fair value related to acquisition Advances From Federal Home Loan Banks Fair Value Related To Acquisition Advances from Federal Home Loan Banks fair value related to acquisition. Business Acquisition, Acquiree Business Acquisition, Acquiree [Domain] Fair Value on a Recurring Basis [Member] Fair Value, Recurring [Member] Interest expense Total interest expense Interest Interest Expense Other real estate owned Fair Value Other Real Estate, Ending Balance Other Real Estate, Beginning Balance Other Real Estate, Total Assets measured at fair value on a nonrecurring basis, Total State and Local Governments [Member] US States and Political Subdivisions Debt Securities [Member] Other Real Estate Owned-Residential [Member] Consumer Real Estate [Member] Residential Portfolio Segment [Member] Total deposits Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Deposits Business combination recognized identifiable assets acquired and liabilities assumed deposits. Income Tax Income Tax, Policy [Policy Text Block] Loan amortization period Debt Instrument, Convertible, Remaining Discount Amortization Period 2018 [Member] Year Two Thousand Eighteen [Member] Year two thousand eighteen. Dividends may be paid without prior regulatory approval Dividends May Be Paid Without Prior Regulatory Approval Dividends may be paid without prior regulatory approval. US Treasury & Agency Securities [Member] US Treasury and Government [Member] Schedule of Trading Securities and Other Trading Assets [Line Items] Debt and Equity Securities, FV-NI [Line Items] Activity in certificates of deposit Activity In Certificate Of Deposit [Abstract] Activity in certificate of deposit. TDR loans, subsequently defaulted during the period Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts Deferred Tax Liabilities, Net, Total Net Deferred Tax Liability Deferred Tax Liabilities, Net Treasury Stock, Shares, Total Treasury Stock, shares Treasury Stock, Shares Greater Than 90 Days [Member] Financial Asset, Equal to or Greater than 90 Days Past Due [Member] Cumulative Effect, Period of Adoption [Axis] Depreciation Depreciation, Nonproduction Components of Income Tax Expense (Benefit) Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Assets under management amount Assets under Management, Carrying Amount Summary of Bank's Actual and Required Capital Amounts and Ratios Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block] Past Due Financial Asset, Past Due [Member] Entity Small Business Entity Small Business Amortized Cost And Fair Value Debt Securities [Abstract] Amortized Cost and Fair Value Debt Securities [Abstract] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Financing Receivable, Held-for-Sale, Not Part of Disposal Group, after Valuation Allowance, Ending Balance Financing Receivable, Held-for-Sale, Not Part of Disposal Group, after Valuation Allowance, Beginning Balance Loans held for sale Financing Receivable, Held-for-Sale, Not Part of Disposal Group, after Valuation Allowance Data Processing [Member] Data Processing [Member] Data processing. Additional borrowings available from the Federal Home Loan Bank based on current pledging Federal Home Loan Bank Advances General Debt Obligations Disclosures Amount Of Available Unused Funds Based On Current Pledging Federal Home Loan Bank advances general debt obligations disclosures amount of available unused funds based on current pledging. Property Plant And Equipment Useful Life And Values [Abstract] Property Plant and Equipment Useful Life and Values [Abstract] Mortgage-backed Securities [Member] Mortgage-Backed Securities, Issued by US Government Sponsored Enterprises [Member] Fair market value of the capitalized servicing rights Capitalized Service Right Assets Fair Market Value Capitalized service right assets fair market value. Interest payable Interest Payable Fair Value Disclosure Interest payable fair value disclosure. Interest Expense, Deposits, Total Deposits Interest Expense, Deposits Adams County Financial Resources [Member] Adams County Financial Resources [Member] Adams County Financial Resources. Net occupancy expense Occupancy, Net Transfers and Servicing [Abstract] Award Date Award Date [Domain] Tier 1 Capital to Risk Weighted Assets Actual, Amount Banking Regulation, Tier 1 Risk-Based Capital, Actual Commercial and Industrial [Member] Commercial And Industrial And Industrial Development Bonds [Member] Commercial And Industrial And Industrial Development Bonds [Member] Number of directors received shares Number Of Director Received Shares Number of director received shares. Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Awards grants originated in 2018, 2019 and 2020 [Member] Award Grants Originated In Period Three [Member] Award grants originated in period three. Securities Sold under Repurchase Agreements Securities Sold under Agreements to Repurchase [Member] Average common shares outstanding Weighted average common shares outstanding Weighted Average Number of Shares Outstanding, Basic Residential real estate properties foreclosure proceedings Mortgage Loans in Process of Foreclosure, Amount Issuance of shares of restricted stock, forfeitures Stock Issued During Period, Shares, Restricted Stock Award, Forfeited Time deposits of $250,000 or more Time Deposits, at or Above FDIC Insurance Limit Noninterest Expense Business Acquisitions Pro Forma Noninterest Expense Business acquisitions pro forma noninterest expense. City Area Code City Area Code Number of commercial purchased credit impaired loans paid off Number Of Commercial Purchased Credit Impaired Loans Paid Off Number of commercial purchased credit impaired loans paid off. Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Share-Based Payment Arrangement [Abstract] Thereafter Time Deposit Maturities, after Year Five Net unrealized gain (loss) on available-for-sale securities OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax Total liabilities Liabilities Private Placement Private Placement [Member] Other Assets, Total Other assets Other Assets Document Period End Date Document Period End Date Restricted Stock Awards [Member] Restricted Stock [Member] Tier 1 leverage Capital to Adjusted Total Assets For Capital Adequacy Purposes, Ratio Banking Regulation, Tier 1 Leverage Capital Ratio, Capital Adequacy, Minimum Distribution of fixed rate loans by major loan category, Fixed Rate Loans Receivable with Fixed Rates of Interest Agricultural [Member] Agricultural Loan [Member] Agricultural Loan [Member] Accrued Liabilities, Total Accrued expenses Accrued Liabilities 2019 [Member] Year Two Thousand Nineteen [Member] Year two thousand nineteen. Off Balance Sheet Instruments Off Balance Sheet Financial Instruments Policy [Text Block] Off balance sheet financial instruments. Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost Mortgage Loans at Cost [Member] Mortgage Loans At Cost [Member] Mortgage Loans At Cost [Member] 2023 Finite-Lived Intangible Asset, Expected Amortization, Year One Statistical Measurement Statistical Measurement [Axis] Fair value for certificate of deposit, amortization period Fair Value For Certificate Of Deposit Amortization Period Fair value for certificate of deposit amortization period. Total cash and cash equivalents Cash, Cash Equivalents, and Federal Funds Sold Overnight & Continuous [Member] Maturity Overnight [Member] Unobservable Inputs Other Real Estate Owned, Measurement Input [Extensible Enumeration] Fair Value, Less Than Twelve Months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Delinquent period for charging down or allocated commercial and agricultural credits. Delinquent Period For Charging Down Or Allocated Commercial And Agricultural Credits Delinquent period for charging down/allocated commercial and agricultural credits Approximate Weighted Average Interest Rate For the Period Securities Sold Under Agreements To Repurchase Weighted Average Interest Rate During Period Securities sold under agreements to repurchase weighted average interest rate during period. Proceeds (repayments) of other borrowings Proceeds (Repayment) of other borrowings Proceeds from (Repayments of) Other Debt Proceeds from (Repayments of) Other Debt, Total Loans Loans Policy [Text Block] Loans. Percentage of likelihood of realization of recognized tax benefit, minimum Percentage Of Likelihood Of Realization Of Recognized Tax Benefit Minimum Percentage of likelihood of realization of recognized tax benefit minimum. Subsequent Event [Line Items] Subsequent Event [Line Items] Other Interest Income, Other Days to charged consumer loans to the value of the collateral Delinquent Period Of Secured Consumer Loans Delinquent period of secured consumer loans. Additional funds available to be advanced in connection with impaired loans Additional Funds Available To Be Advanced In Connection With Impaired Loans Additional funds available to be advanced in connection with impaired loans. Condensed Financial Statements, Captions [Line Items] Condensed Financial Statements, Captions [Line Items] Thereafter Finite-Lived Intangible Asset, Expected Amortization, after Year Five Related Party Related Party [Axis] Total Assets Assets Fair value of Federal Home Loan Bank (FHLB) advances, amortization period Fair Value Of Federal Home Loan Bank Advances Amortization Period Fair value of Federal Home Loan Bank advances, amortization period. Directors and Executive Officers [Member] Directors And Executive Officers [Member] Directors And Executive Officers [Member] Borrowed funds Interest Expense, Federal Home Loan Bank and Federal Reserve Bank Advances, Long-Term Noncash or Part Noncash Acquisition, Net Nonmonetary Assets Acquired (Liabilities Assumed), Total Purchase of assets Noncash or Part Noncash Acquisition, Net Nonmonetary Assets Acquired (Liabilities Assumed) Cash and cash equivalents Cash Cash Equivalents And Federal Funds Sold Fair Value Disclosure Cash cash equivalents and federal funds sold fair value disclosure. Loan Restructuring Modification Loan Restructuring Modification [Domain] Schedule Of Earnings Per Share Basic By Common Class [Table] Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table] Accrued expenses and other liabilities Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Accrued Expenses And Other Liabilities Business combination recognized identifiable assets acquired and liabilities assumed accrued expenses and other liabilities. Percentage of total eligible compensation, contribution by Bank, maximum limit Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent Unfunded Loan Commitment & Letters of Credit [Member] Unfunded Loan Commitment And Letters Of Credit [Member] Unfunded Loan Commitment And Letters Of Credit [Member] Total Risk-Based Capital to Risk Weighted Assets For Capital Adequacy Purposes, Amount Banking Regulation, Total Risk-Based Capital, Capital Adequacy, Minimum Amortization Servicing Asset at Amortized Cost, Amortization Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items] Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] Earnings per Common Share, Diluted Diluted earnings per share Diluted Earnings Per Share Earnings Per Share, Diluted Re-evaluation period for real estate Re Evaluation Period For Real Estate Re evaluation period for real estate. Pre-Modification Outstanding Recorded Investment Financing Receivable, Troubled Debt Restructuring, Premodification Dividends, Total Cash dividends declared not paid Dividends Fair value for certificate of deposit, valuation amount Fair Value For Certificate Of Deposit Valuation Amount Fair value for certificate of deposit valuation amount. Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Percentage of line of credit accrues rate Percentage Of Line of Credit Accrues Rate Percentage of line of credit accrues rate. Pledged Status [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Custar Custar [Member] Custar [Member] Document Fiscal Period Focus Document Fiscal Period Focus Distribution of Fixed Rate Loans and Variable Rate Loans by Major Loan Category Distribution Of Fixed Rate Loans And Variable Rate Loans By Major Loan Category Table [Text Block] Tabular disclosure of fixed rate loans and variable rate loans by major loan category. Short term debt, term Short-Term Debt, Terms Mortgage servicing rights Beginning of Year End of Year Servicing Asset at Amortized Cost Total current Current Income Tax Expense (Benefit) Capitalized Additions Servicing Asset at Amortized Cost, Additions Term CDs Sold Under Agreement to Repurchase [Member] Certificates of Deposit [Member] Net Interest Income Before Provision for Loan Losses Net Interest Income Net Interest Income Interest Income (Expense), Net Up To 30 Days [Member] Maturity Less than 30 Days [Member] Discount rate Other Real Estate Owned, Measurement Input Proceeds from redemption of FHLB stock Proceeds from Sale of Federal Home Loan Bank Stock Summary of Activities in Allowance for Credit Losses Contribution Provided By Both Recoveries And Provision Along With Reduction Of Allowance Caused By Charge Offs Table [Text Block] Tabular disclosure of contribution provided by both the recoveries and the provision along with the reduction of the allowance caused by charge-off. Servicing Assets at Fair Value [Line Items] Servicing Assets at Fair Value [Line Items] Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Income Taxes [Line Items] Income Taxes [Line Items] Income Taxes [Line Items] Depreciation Deferred Tax Liabilities, Property, Plant and Equipment Notes Payable, Total Subordinated notes Notes Payable Furniture and Equipment Costs [Member] Furniture and Equipment Costs [Member] Furniture and Equipment Costs Short-term Debt, Type Short-Term Debt, Type [Axis] Statement of Financial Position [Abstract] Entity File Number Securities Act File Number Minimum percentage of eligible compensation on a pre-tax or post-tax basis for eligible employees to save Minimum Percentage Of Eligible Compensation On Pre Tax Or Post Tax Basis For Eligible Employees To Save Minimum percentage of eligible compensation on pre tax or post tax basis for eligible employees to save. Realized gains on sales Gain (Loss) on Disposition of Assets for Financial Service Operations, Total Realized gains and losses on sales Gain (Loss) on Disposition of Assets for Financial Service Operations Valuation Technique Debt Securities, Available-for-Sale, Valuation Technique [Extensible Enumeration] Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net, Total Transfer of liabilities into or out of level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net 6 [Member] Substandard [Member] Statement of Cash Flows [Abstract] Amortized Cost, After one year through five years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five Schedule of Maturities of Borrowings Exclusive of Fair Value Schedule of Federal Home Loan Bank, Advances, by Branch of FHLB Bank [Table Text Block] Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets [Abstract] Income from operation before equity in undistributed earnings of subsidiary Income From Operation Before Equity In Undistributed Earnings Of Subsidiary Income from operation before equity in undistributed earnings of subsidiary. Employee Benefit Plans Retirement Benefits [Text Block] 3 [Member] Satisfactory [Member] Satisfactory [Member] Geographical Geographical [Domain] Calculation of Basic Earnings Per Share Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table Text Block] Statistical Measurement Statistical Measurement [Domain] Statement of Stockholders' Equity [Abstract] Financing Receivable Allowance For Credit Losses [Line Items] Financing Receivable, Allowance for Credit Loss [Line Items] Sale of Stock Sale of Stock [Axis] Interest-bearing time deposits Interest Bearing Time Deposits Fair Value Disclosure Interest bearing time deposits fair value disclosure. Tier 1 Capital to Risk Weighted Assets For Capital Adequacy Purposes, Ratio Banking Regulation, Tier 1 Risk-Based Capital Ratio, Capital Adequacy, Minimum Loans, net Loans Receivable, Fair Value Disclosure Purchases Payments To Acquire Sales Of Other Securities Payments to acquire sales of other securities. Auditor Location Auditor Location Director stock awards Share Based Compensation Director Stock Awards Share based compensation director stock awards. With a specific allowance recorded, Unpaid Principal Balance Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance Class of Stock Class of Stock [Domain] Geneva [Member] Geneva [Member] Geneva. 2024 Time Deposit Maturities, Year Two Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Legal Entity Legal Entity [Axis] Subsequent Events [Abstract] Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Loan non-accrual classification period Period For Classifying Loan As Non Accrual Status Period for classifying loan as non accrual status. Other Comprehensive Income (Loss): Other Comprehensive Income (Loss) (Net of Tax): Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Financial Instrument Performance Status Financial Instrument Performance Status [Domain] Increase in cash surrender value of bank owned life insurance Increase In Cash Surrender Value Of Bank Owned Life Insurance Increase in cash surrender value of bank owned life insurance. Long-term Debt, Type Long-Term Debt, Type [Axis] Data processing Information Technology and Data Processing Total deferred Deferred income taxes Deferred Income Tax Expense (Benefit) Major Categories of Banking Premises and Equipment and Accumulated Depreciation Property, Plant and Equipment [Table Text Block] Federal funds purchased Federal Funds Purchased Unpaid Principal Balance Impaired Financing Receivable, Unpaid Principal Balance Interest and Fee Income, Loans and Leases, Total Loans, including fees Interest and Fee Income, Loans and Leases Purchases Payments To Acquire Available For Sale Securities Debt Including Adjustment For Securities Acquired In Acquisition Payments to acquire available for sale securities debt including adjustment for securities acquired in acquisition. Proceeds from Sale of Loans Held-for-sale, Total Proceeds from sale of loans held for sale Proceeds from Sale of Loans Held-for-sale Restricted shares awarded due to retirement Share Based Compensation Arrangement By Share Based Payment Award Number Of Employee Share Awarded Due To Retirement Share Based Compensation Arrangement by share based payment award number of employee share awarded due to retirement. Gross Unrealized Gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax FINANCING RECEIVABLES: Financing Receivables [Abstract] Financing Receivables [Abstract] Amortized Cost, Total Available For Sale Debt Securities Amortized Cost Basis Excluding Mortgage Backed Securities Available for sale debt securities amortized cost basis excluding mortgage backed securities. Average investment in impaired loans Average Recorded Investment Impaired Financing Receivable, Average Recorded Investment Credit Facility Credit Facility [Domain] Payments for Origination and Purchases of Loans Held-for-sale, Total Originations of loans held for sale Payments for Origination and Purchases of Loans Held-for-sale Subsequent Events Subsequent Events [Text Block] 60 to 89 Days Past Due [Member] Financial Asset, 60 to 89 Days Past Due [Member] Loans Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Federal Home Loan Bank, Advance, Maturity, after Year Five, Total Thereafter Federal Home Loan Bank, Advance, Maturity, after Year Five Finite-Lived Intangible Assets, Major Class Name Finite-Lived Intangible Assets, Major Class Name [Domain] State income tax, net of federal benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Credit Facility Credit Facility [Axis] Restricted shares forfeited Share Based Compensation Arrangement By Share Based Payment Award Number Of Employee Shares Forfeited Share based compensation arrangement by share based payment award number of employee shares forfeited. Unrecognized compensation cost related to the nonvested portion of restricted stock awards under the plan Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Portion at Fair Value Measurement [Member] [Default] Fair Value Disclosure Item Amounts [Default] Portion at Fair Value Measurement [Member] Net Income Business Acquisition, Pro Forma Net Income (Loss) Other General and Administrative Expenses [Member] General and Administrative Expense [Member] Number of agricultural real purchased credit impaired loans paid off Number Of Agricultural Real Purchased Credit Impaired Loans Paid Off Number of agricultural real purchased credit impaired loans paid off. Loans Individually Evaluated for Impairment by Portfolio Class of Loans Schedule Of Loans Individually Evaluated For Impairment By Portfolio Segment Table [Text Block] Schedule of loans individually evaluated for impairment by portfolio segment. Less: Allowance for loan losses Allowance for loan losses Allowance for loan losses Balance at beginning of year Balance at ending of year Loans and Leases Receivable, Allowance Servicing rights amortization and impairment Mortgage servicing rights amortization Amortization of Mortgage Servicing Rights (MSRs) Current Fiscal Year End Date Current Fiscal Year End Date With no related allowance recorded, Interest Income Recognized Cash Basis Impaired Financing Receivable, with No Related Allowance, Interest Income, Cash Basis Method Liability Class Liability Class [Axis] Depreciation, Total Depreciation Expenses Depreciation Financial Instruments Financial Instruments [Domain] Interest bearing Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Interest Bearing Business combination recognized identifiable assets acquired and liabilities assumed interest bearing. Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total Cash and Cash Equivalents - Beginning of Year Cash and Cash Equivalents - End of Year Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Bank owned life insurance Bank Owned Life Insurance Issuance of shares, purchase of common stock in acquisition Treasury stock repurchased Stock Repurchased During Period, Shares Entity Address, Address Line One Entity Address, Address Line One Customer Lists [Member] Customer Lists [Member] Deposits Deposits [Abstract] Pledging Purpose [Axis] Discount yield Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Discount Rate Intangible amortization Deferred Tax Liabilities, Intangible Assets Number of times fair value of capital in excess of carrying value of goodwill description Fair Value Of Capital In Excess Of Carrying Value Of Goodwill Description Fair value of capital in excess of carrying value of goodwill description. Total Total borrowings excluding for fair value related to acquisition Advances From Federal Home Loan Banks Excluding Fair Value Related To Acquisition Advances from Federal Home Loan Banks excluding fair value related to acquisition. Broker-Dealer [Abstract] Schedule of Condensed Cash Flow Statement Condensed Cash Flow Statement [Table Text Block] Document Annual Report Document Annual Report Unallocated [Member] Unallocated Financing Receivables [Member] Quarterly Financial Information Disclosure [Abstract] Changes in the Level 3 Fair-Value Category of Unobservable Inputs Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Finite-Lived Intangible Assets by Major Class Finite-Lived Intangible Assets by Major Class [Axis] Noninterest Expense Noninterest Expense [Abstract] Supplemental Information Supplemental Cash Flow Information [Abstract] Deferred Tax Assets: Components of Deferred Tax Assets [Abstract] Pass [Member] Pass [Member] Securities Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Number of loans secured Number Of Loans Secured Number of loans secured. Income taxes Income Taxes Income Taxes (Benefit) Total Income Tax With no related allowance recorded, Interest Income Recognized Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method Allowance for Unfunded Loan Commitments & Letters of Credit Allowance For Unfunded Loan Commitments And Letters Of Credit Allowance is intended to reflect the potential for losses that may not be funded but for which the bank has made a commitment to fund including letters of credit. Schedule Of Condensed Financial Statements [Table] Condensed Financial Statements [Table] Common Equity Tier 1 Capital to Risk Weighted Assets Actual, Amount Cet1 Common Equity Tier 1 (CET1) as defined in the regulations. Income Taxes Income Tax Disclosure [Text Block] Change in Market Value Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings Payments to Acquire Property, Plant, and Equipment, Total Additions to premises and equipment Payments to Acquire Property, Plant, and Equipment Income Tax Disclosure [Abstract] Consulting Fees [Member] Consulting Fees [Member] Consulting fees. Valuation Allowance Valuation allowance Servicing Asset at Amortized Cost, Increase (Decrease) for Valuation Allowance Adjustment Ending balance: individually evaluated for impairment Financing Receivable, Individually Evaluated for Impairment Collateral Dependent Impaired Loans and Other Real Estate Fair Value Measurements, Nonrecurring [Table Text Block] Post-Modification Outstanding Recorded Investment Financing Receivable, Troubled Debt Restructuring, Postmodification Tier 1 leverage Capital to Adjusted Total Assets For Capital Adequacy Purposes, Amount Banking Regulation, Tier 1 Leverage Capital, Capital Adequacy, Minimum Compensation annual basis committee award Compensation Annual Basis Committee Award Compensation annual basis committee award. Reported Value Measurement [Member] Reported Value Measurement [Member] Financial Assets: Assets, Fair Value Disclosure [Abstract] Business combination, average remaining life Business Combination Average Remaining Useful Life Business combination average remaining useful life. Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures, Total Issuance of restricted stock (Net of forfeitures) Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Federal Home Loan Bank Advances [Member] Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Axis] Stock-Based Compensation Share-Based Payment Arrangement [Policy Text Block] Greater Than 90 Days [Member] Maturity Greater than 90 Days [Member] Charge Offs Loans charged off Allowance for Loan and Lease Losses, Write-offs Debt securities: Interest and Dividend Income, Securities, by Security Type [Abstract] Auditor Name Auditor Name Equity [Abstract] Consumer - Credit [Member] Credit Card Receivable [Member] Business combination, premises and equipment written up value Business Combination Identifiable Assets in Premises and Equipment Written Up Value Business combination identifiable assets in premises and equipment written up value. Federal funds sold Interest Income Expense Federal Funds Sold And Purchased Interest income expense federal funds sold and purchased. Immediate Vesting [Member] Immediate Vesting [Member] Immediate vesting. Buildings [Member] Building [Member] Building [Member] Ending balance: individually evaluated for impairment Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment Dividend Income, Operating, Total Dividends Dividend Income, Operating Weighted average common shares outstanding including participating securities Weighted Average Number of Shares Issued, Basic Related Party Related Party [Domain] Reclassification adjustment for realized gain on sale of available-for-sale securities Reclassification adjustment for (gain) loss on sale of available-for-sale securities Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax Payments to Acquire Businesses, Net of Cash Acquired, Total Acquisition, net of cash received Payments to Acquire Businesses, Net of Cash Acquired Common Equity Tier 1 Capital For Capital Adequacy Purposes, Amount Banking Regulation, Common Equity Tier 1 Risk-Based Capital, Capital Adequacy, Minimum Total expenses Interest And Operating Expenses Interest and operating expenses. Dividends from subsidiaries Dividend Income Operating From Bank Subsidiaries Dividend income operating from bank subsidiaries. Accrued expenses and other liabilities Accrued Liabilities and Other Liabilities Entity Filer Category Entity Filer Category Components of Other Comprehensive Income (Loss) and Related Tax Effects Comprehensive Income (Loss) [Table Text Block] Recorded Investment Total impaired loans Collateral dependent impaired loans categorized as Level 3 Impaired Financing Receivable, Recorded Investment Proceeds of FHLB advances Proceeds from FHLBank Borrowings, Financing Activities Reclassification and Adjustments Fair value measurement with unobservable inputs reconciliation recurring basis asset reclassification and adjustments. Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Reclassification And Adjustments Reclassification & Adjustments Unobservable Inputs Debt Securities, Available-for-Sale, Measurement Input [Extensible Enumeration] NOW accounts Deposits, Negotiable Order of Withdrawal (NOW) Specific Allocation on Principal Balance [Member] Specific Allocation On Principal Balance [Member] Specific allocation on principal balance. Loans after net deferred loan fees and costs Loans after net deferred loan fees and costs Ending balance Loans and Leases Receivable, Net of Deferred Income Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent 2025 Federal Home Loan Bank, Advance, Maturity, Year Three Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment, Total Premises and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Operating Expenses, Total Operating expenses Operating Expenses Fair Value by Liability Class Fair Value by Liability Class [Domain] Federal funds sold Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Federal Funds Sold Business combination recognized identifiable assets acquired and liabilities assumed federal funds sold. Entity Current Reporting Status Entity Current Reporting Status Mortgage Servicing Rights [Member] Mortgage Servicing Rights [Member] Mortgage Servicing Rights [Member] Tax expense related to net realized gains Available For Sale Securities Gross Realized Gain Loss Tax Expenses Available for sale securities gross realized gain loss tax expenses. State Current State and Local Tax Expense (Benefit) ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Line of Credit [Member] Line of Credit [Member] Delinquent period for charging down consumer loans Delinquent Period For Charging Down Consumer Loans Delinquent period for charging down consumer loans Total Risk-Based Capital to Risk Weighted Assets Actual, Ratio Banking Regulation, Total Risk-Based Capital Ratio, Actual Total noninterest expense Noninterest Expense Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] Business Combinations [Abstract] FHLB stock dividends Deferred Tax Liabilities Fhlb Stock Dividends Deferred tax liabilities FHLB stock dividends. Finite-Lived Intangible Assets, Net, Ending Balance Finite-Lived Intangible Assets, Net, Beginning Balance Total Finite-Lived Intangible Assets, Net Stockholders' Equity Total stockholders' equity Beginning balance Ending balance Stockholders' Equity Attributable to Parent Loans excluding fair value adjustments Loans And Leases Receivable Excluding Fair Value Adjustments Amount Loans and leases receivable excluding fair value adjustments amount. Tier 1 Capital to Risk Weighted Assets To Be Well Capitalized Under the Prompt Corrective Action Provisions, Ratio Banking Regulation, Tier 1 Risk-Based Capital Ratio, Well Capitalized, Minimum Gain on sale of available-for-sale securities Net gain on sale of available-for-sale securities Net realized gains Gain on sales of available-for-sale securities Loss on sales of available-for-sale securities Debt Securities, Available-for-Sale, Realized Gain (Loss) Accumulated Other Comprehensive Income (Loss) [Member] AOCI Attributable to Parent [Member] Consumer [Member] Consumer Loan [Member] Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Amortized Cost and Fair Value of Securities with Gross Unrealized Gains and Losses Schedule of Available-for-Sale Securities Reconciliation [Table Text Block] Entity Tax Identification Number Entity Tax Identification Number Available-for-Sale Securities, Debt Maturities [Abstract] Income Statement Location Income Statement Location [Axis] Number of Shares, Forfeited Restricted shares forfeited Shares forfeited due to employee termination Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Common stock - No par value 20,000,000 shares authorized; issued and outstanding 14,564,425 shares 12/31/22 and 14,063,999 shares 12/31/21 Common Stock, Value, Issued Retained Earnings (Accumulated Deficit), Total Retained earnings Retained Earnings (Accumulated Deficit) Cumulative Effect, Period of Adoption [Domain] Equity Components Equity Components [Axis] Other borrowings Other Borrowings Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Total Deferred compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits Servicing Asset At Amortized Value Additional Disclosures [Abstract] Servicing Asset At Amortized Value Additional Disclosures [Abstract] Performing [Member] Performing Financial Instruments [Member] Employee Benefits [Member] Employee Benefits [Member] Employee benefits. Consolidated Entities Consolidated Entities [Domain] Business combination, acquisition related costs Business Combination, Acquisition Related Costs Accounting Standards Update [Domain] Accounting Standards Update 2016-13 [Member] Concentration of Risk Fair Value Disclosure, off-Balance-Sheet Risks, Amount, Asset 2016 [Member] Year Two Thousand Sixteen [Member] Year two thousand sixteen. Payment received Proceeds from Collection of Long-Term Loans to Related Parties Other Comprehensive Income (Loss), Available-for-Sale Securities, Tax, Portion Attributable to Parent, Total Tax expense (benefit) Other Comprehensive Income (Loss), Available-for-Sale Securities, Tax, Portion Attributable to Parent Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Unamortized Note Issuance Costs Debt Issuance Costs, Gross Maturities of Time Deposits [Abstract] Amortized Cost, Mortgage-backed securities Mortgage Backed Securities Available For Sale Amortized Cost Mortgage backed securities available for sale amortized cost. 2027 Federal Home Loan Bank, Advance, Maturity, Year Five Litigation and any deficiency charged off period. Litigation And Any Deficiency Charged Off Period Litigation and any deficiency charged off period Time deposits under $250,000 Time Deposits Less Than250000 Amount of time deposit liabilities, including certificates of deposit, in denominations of less than $250,000. Beginning Balance Ending Balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Number of construction of new offices Number of Construction of New Offices Number of construction of new offices Entity Emerging Growth Company Entity Emerging Growth Company Gross Unrealized Losses, Twelve Months and Over Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Schedule Of Business Acquisitions By Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Ossian [Member] Ossian Financial Services, Inc. [Member] Ossian Financial Service Incorporated [Member] Ossian financial services incorporated. Sales Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales Servicing Assets Transfers and Servicing of Financial Assets, Policy [Policy Text Block] Contractual Aging of Recorded Investment in Past Due Loans by Portfolio Classification of Loans Contractual Aging Of Recorded Investment In Past Due Loans By Class Or Loans Table [Text Block] Tabular disclosure of contractual aging of the recorded investment in past due loans by class or loans. Federal Current Federal Tax Expense (Benefit) Ending balance: loans acquired with deteriorated credit quality Financing Receivable Allowance For Credit Losses Acquired With Deteriorated Credit Quality Ending Period Financing receivable allowance for credit losses acquired with deteriorated credit quality ending period. Unsecured consumer loans, credit card credits and overdraft lines of credit reach Unsecured Consumer Loans Credit Card Credits And Overdraft Unsecured consumer loans credit card credits and overdraft. Fair Value, After one year through five years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Maturities, prepayments and calls Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale Loans Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Tier 1 leverage Capital to Adjusted Total Assets To Be Well Capitalized Under the Prompt Corrective Action Provisions, Amount Banking Regulation, Tier 1 Leverage Capital, Well Capitalized, Minimum Schedule of Stock by Class [Table] Commercial Real Estate [Member] Commercial Real Estate Portfolio Segment [Member] Schedule Of Financing Receivable Troubled Debt Restructurings [Table] Financing Receivable, Troubled Debt Restructuring [Table] Schedule Of Financing Receivable Allowance For Credit Losses [Table] Financing Receivable, Allowance for Credit Loss [Table] Purchases Payments to Acquire Held-to-Maturity Securities Interest Bearing Deposits [Member] Interest Bearing Deposits Liability [Member] Interest bearing deposits liability. Number of directors received shares Number Of Directors Received Shares Number of directors received shares. Reclassification from nonaccretable difference Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Reclassifications from Nonaccretable Difference Entity Voluntary Filers Entity Voluntary Filers Federal Deferred Federal Income Tax Expense (Benefit) Consumer [Member] Consumer Portfolio Segment [Member] Retirement Benefits [Abstract] Number of clients assets under management Number Of Clients Assets Under Management Number of clients assets under management. Amortized Cost, After five years through ten years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Document Transition Report Document Transition Report Weighted average fair value per award, Granted Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value 2027 Time Deposit Maturities, Year Five Distribution of variable rate loans by major loan category, Variable Rate Loans Receivable with Variable Rates of Interest Advance from Federal Home Loan Bank, Total Federal Home Loan Bank (FHLB) advances Advance from Federal Home Loan Bank Net unrealized loss on available-for-sale securities Deferred Tax Assets Net Unrealized Loss On Available For Sale Securities Deferred tax assets net unrealized loss on available for sale securities. Accrued interest receivable - municipals / interest bearing time deposits Accrued Interest Receivable And Other Assets Accrued interest receivable and other assets. Collateral Dependent [Member] Collateral Pledged [Member] Number of directors received prorated dollar value of shares Number Of Directors Received Prorated Dollar Value Of Shares Number of directors received prorated dollar value of shares. Bank of Geneva [Member] Bank Of Geneva [Member] Bank of Geneva. Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures, Total Issuance of restricted stock (Net of forfeitures), Shares Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Restricted shares vested Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested Excludes Shares Awarded Due To Retirement Share based compensation arrangement by share based payment award equity instruments other than options vested excludes shares awarded due to retirement. Deposits Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Deposits [Abstract] Business combination recognized identifiable assets acquired and liabilities assumed deposits. Repurchase agreements, Remaining contractual maturity of the agreements Securities Sold under Agreements to Repurchase, Total Securities sold under agreements to repurchase Amount Outstanding at End of Period Foreclosed Real Estate Real Estate, Policy [Policy Text Block] Financing Receivable Portfolio Segment Financing Receivable Portfolio Segment [Domain] Off Balance Sheet Activities Commitments and Contingencies Disclosure [Text Block] Basis in acquired loans at acquisition Certain Loans Acquired in Transfer Accounted for as Debt Securities, Acquired During Period, at Acquisition, at Fair Value 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] Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Total Time Time Deposits Fair value adjustments Deferred Tax Assets Fair Value Adjustments Deferred tax assets fair value adjustments. Securities Marketable Securities, Policy [Policy Text Block] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding State Deferred State and Local Income Tax Expense (Benefit) Number of new loans approved Number Of New Loans Approved Number of new loans approved. Recorded Investment in Nonaccrual Loans by Portfolio Class of Loans Financing Receivable, Nonaccrual [Table Text Block] Income Tax [Table] Income Tax [Table] Income Tax [Table] Other Comprehensive Income (Loss), Net of Tax, Total Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Recorded Investment for Consumer Loans, Credit Quality based on Status of Loan and Payment Activity Recorded Investment In Those Classes Based On Payment Activity And Assigned Grading Table [Text Block] Tabular disclosure of impaired loans classified as troubled debt restructure. Amortization of subordinated note issuance costs Amortization of Debt Issuance Costs Gross principal and contractual interest Business Combination, Acquired Receivables, Gross Contractual Amount Credit card arrangements [Member] Credit Card Arrangements [Member] Credit Card Arrangements [Member] Four employees received shares from awards granted due to retirement Number Of Awards Granted To Four Employees On Retirement Number of awards granted to four employees on retirement. Noninterest bearing Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Noninterest Bearing Business combination recognized identifiable assets acquired and liabilities assumed non interest bearing. Net Income Net Income Net income Net Income (Loss) Attributable to Parent Weighted Average Weighted Average [Member] Awards grants originated in 2019, 2018 and 2017 [Member] Award Grants Originated In Period One [Member] Award Grants Originated In Period One [Member] Shares vest under the plan Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Share Vested Percentage Share based compensation arrangement by share based payment award equity instruments other than options share vested percentage. Remaining economic useful life Finite-Lived Intangible Assets, Remaining Amortization Period Summary of Loans Acquired and Contractually Required Payments Receivable Certain Loans Acquired In Transfer Accounted For As Debt Securities Acquired During Period Table [Text Block] Certain loans acquired in transfer accounted for as debt securities acquired during period. Federal Funds Purchased and Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure, Total Fed funds purchased and securities sold under agreement to repurchase Federal Funds Purchased and Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure 2017 [Member] Year Two Thousand Seventeen [Member] Year two thousand seventeen. Limberlost Bancshares, Inc. [Member] Limberlost Bancshares Inc [Member] Limberlost Bancshares, Inc. Common Equity Tier 1 Capital to Risk Weighted Assets For Capital Adequacy Purposes, Ratio Common Equity Tier1 Capital Required For Capital Adequacy To Risk Weighted Assets Common equity tier 1 capital required for capital adequacy to risk weighted assets. Other securities, at cost Other Investments and Securities, at Cost Risk Category of Loans by Portfolio Class Risk Category Of Loans Table [Text Block] Tabular disclosure of risk category of loans. Fair Value, Total Available For Sale Securities Debt Maturities Fair Value Excluding Mortgage Backed Securities Available for sale securities debt maturities fair value excluding mortgage backed securities. Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Less: common stock issued Stock Issued Awards grants originated in 2017, 2018, 2019 and 2020 [Member] Award Grants Originated In Period Two [Member] Award grants originated in period two. Cash and cash equivalents Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Accretion Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Accretion Collateral Dependent Impaired Loans [Member] Impaired Loans [Member] Impaired Loans [Member] Quantitative Information about Unobservable Inputs Used in Recurring and Nonrecurring Level 3 Fair Value Measurements Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Loans, net Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Loans Net Business combination recognized identifiable assets acquired and liabilities assumed loans net. Entity Registrant Name Entity Registrant Name Advertising Advertising Expense Perpetual Federal Savings Bank [Member] Perpetual Federal Saving Bank [Member] Perpetual federal savings bank. Financing Receivable, Impaired [Line Items] Financing Receivable, Impaired [Line Items] Earnings Per Share Earnings Per Share [Text Block] Granted loans to affiliate companies Related Party Transaction, Amounts of Transaction Class of Stock Class of Stock [Axis] U.S. Government Agencies [Member] US Government Agencies Debt Securities [Member] Maturity date Debt Instrument, Maturity Date Core Deposits [Member] Core Deposits [Member] Federal Funds Purchased and Securities Sold Under Agreement to Repurchase Repurchase Agreements, Resale Agreements, Securities Borrowed, and Securities Loaned Disclosure [Text Block] Share-Based Payment Arrangement, Noncash Expense, Total Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Statement of Comprehensive Income [Abstract] Gross Realized Gains Realized Gain (Loss) on Investments [Table Text Block] State and Local Governments Tax-Exempt [Member] U S States And Political Subdivisions Tax Exempt Debt Securities [Member] US states and political subdivisions tax-exempt debt securities. Premises and Equipment (Net) Premises and equipment Property, Plant and Equipment, Net Number of full-service offices Number Of Full Service Offices Number of full service offices. Award Type Award Type [Domain] Peoples Federal Savings and Loan Bank Peoples Federal Savings And Loan Bank [Member] Peoples federal savings and loan bank. Statement [Line Items] Statement [Line Items] Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture, Total Stock-based compensation expense Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Financial Liabilities: Liabilities, Fair Value Disclosure [Abstract] Title of 12(b) Security Title of 12(b) Security Contractual Maturity Schedule by Major Category of Loans Excluding Fair Value Adjustments Maturity Schedule By Major Category Of Loans Table [Text Block] Tabular disclosure of maturity schedule by major category of loans. Current: Current Income Tax Expense (Benefit), Continuing Operations [Abstract] PPP Loans [Member] Paycheck Protection Program Loans [Member] Paycheck protection program loans. Summary of Operations Business Acquisition, Pro Forma Information [Abstract] Common Stock [Member] Common Stock [Member] Net Interest Income After Provision for Loan Losses Net interest income after provision of loan loss Interest Income (Expense), after Provision for Loan Loss Restrictions on Cash and Amounts Due from Banks Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Cash Flows from Operating Activities Net Cash Provided by (Used in) Operating Activities [Abstract] Tier 1 leverage Capital to Adjusted Total Assets Actual, Amount Banking Regulation, Tier 1 Leverage Capital, Actual Equity Component Equity Component [Domain] Farmers & Merchants State Bank [Member] Parent Company [Member] Noninterest income Revenue from Contract with Customer, Excluding Assessed Tax Assets Sold under Agreements to Repurchase [Line Items] Assets Sold under Agreements to Repurchase [Line Items] Income Before Income Taxes Net income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Total Risk-Based Capital to Risk Weighted Assets Actual, Amount Banking Regulation, Total Capital, Actual Entity Address, State or Province Entity Address, State or Province Accrued interest payable Accrued Interest Payable Accrued interest payable. Geographical Geographical [Axis] Loans: Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract] Net Occupancy Costs [Member] Net Occupancy Costs [Member] Net Occupancy Costs Allowance for Loan Losses Loans and Leases Receivable, Allowance for Loan Losses Policy [Policy Text Block] Fair Value, One year or less Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Furniture and equipment Equipment Expense Federal Home Loan Bank (FHLB) advances Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Federal Home Loan Bank Advances Business combination recognized identifiable assets acquired and liabilities assumed federal home loan bank advances. Difference in related borrowings amounts Difference Between Related Party Deposit And Loan Lending Amount Difference between related party deposit and loan lending amount. Net Increase (Decrease) in Cash and Cash Equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Document Type Document Type Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activities Schedule of Pro-forma Results Business Acquisition, Pro Forma Information [Table Text Block] Goodwill deductible for tax purpose, period Goodwill Deductible For Tax Purpose Period Goodwill deductible for tax purpose, period. Financing Receivable Modifications [Line Items] Financing Receivable, Troubled Debt Restructuring [Line Items] Redemption price of principal amount of notes redeemed Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed Receivables [Abstract] Entity Shell Company Entity Shell Company Outstanding Financial Instruments Whose Contract Amounts Represent Credit Risk Schedule of Fair Value, off-Balance-Sheet Risks [Table Text Block] Bank loan maturity year Bank Loan Maturity Year Bank loan maturity year. Collateral Held Collateral Held [Domain] Business acquisition share owned subject to adjustment Business Acquisition Share Owned Subject To Adjustment Business acquisition share owned subject to adjustment. Compensation expense Share-Based Payment Arrangement, Expense 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] Disposals Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Disposals of Loans Securities - municipals Equity Securities, FV-NI, Current Class of Financing Receivable Class of Financing Receivable [Axis] Less: average unvested restricted shares Weighted Average Number of Shares, Restricted Stock Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value, Recurring and Nonrecurring [Table] 7 [Member] Doubtful [Member] Total Deposits Deposits, Fair Value Disclosure Security Exchange Name Security Exchange Name Ending balance: collectively evaluated for impairment Financing Receivable, Collectively Evaluated for Impairment Goodwill and Other Intangible Assets Goodwill and Intangible Assets, Policy [Policy Text Block] TDR impaired loans paid off Financing Receivables Impaired Number Of Troubled Debt Restructuring Write Down Financing receivables impaired number of troubled debt restructuring write down. Class of Stock [Line Items] Capitalized service right assets included in other assets Capitalized Service Right Assets Included In Other Assets Capitalized service right assets included in other assets. Summary of Mortgage Servicing Rights Capitalized and Amortized Servicing Asset at Amortized Cost [Table Text Block] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Scheduled Maturities for Time Deposits Time Deposit Maturities [Table Text Block] Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Total deposits Deposits Pledging Purpose [Domain] Unrecognized compensation cost related to the nonvested portion of restricted stock awards under the plan, period for recognition Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Prepaids Deferred Tax Liabilities, Prepaid Expenses Fixed-to-floating interest rate Debt Instrument, Interest Rate, Effective Percentage Loans held for sale Loans Held-for-sale, Fair Value Disclosure Cash Cash paid for acquisition Cash paid for the capital stock Payments & Maturities Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements Commitments and Contingencies Disclosure [Abstract] Fair Value, Mortgage-backed securities Mortgage-Backed Securities Available-for-Sale, Fair Value Disclosure Interest-bearing time deposits Interest-Bearing Deposits in Banks and Other Financial Institutions 30 to 59 Days Past Due [Member] Financial Asset, 30 to 59 Days Past Due [Member] Net Interest Income After Provision for Loan Losses Business Acquisitions Pro Forma Net Interest Income After Provision For Loan Losses business acquisitions pro forma net interest income after provision for loan losses. Schedule Of Accounts Notes Loans And Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Consolidation Policy Consolidation, Policy [Policy Text Block] Number of consumer purchased credit impaired loans paid off Number Of Consumer Purchased Credit Impaired Loans Paid Off Number of consumer purchased credit impaired loans paid off. With no related allowance recorded, Unpaid Principal Balance Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance Total Assets Purchased Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities [Abstract] Activity of Restricted Stock Awards Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] Consumer - Other [Member] Consumer Other Financing Receivables [Member] Consumer Other Financing Receivables [Member] Subordinated notes Interest Expense, Subordinated Notes and Debentures Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] 2023 Time Deposit Maturities, Year One Common Stock, Shares, Outstanding, Ending Balance Common Stock, Shares, Outstanding, Beginning Balance Common stock, shares outstanding Common Stock, Shares, Outstanding Business Acquisition [Line Items] Business Acquisition [Line Items] Number of contracts modified Number of Contracts Modified in the Last 12 Months Financing Receivable, Modifications, Number of Contracts Amortization of premiums on available-for-sale securities, net Accretion (Amortization) of Discounts and Premiums, Investments Construction in progress Office Construction In-Progress Office construction in-progress. Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value Securities - available-for-sale Total Securities Available-for-Sale Total, Fair Value Agricultural real estate. Agricultural Real Estate [Member] Agricultural Real Estate [Member] Financial Instrument Performance Status Financial Instrument Performance Status [Axis] Cash Flows from Investing Activities Net Cash Provided by (Used in) Investing Activities [Abstract] Schedule of Future Amortization of Core Deposit Intangible Assets Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Dividends and accounts receivable from subsidiary Dividend And Accounts Receivable From Subsidiary Dividend and accounts receivable from subsidiary. Fair value of assets acquired Fair value of assets acquired Business Combination, Acquired Receivable, Fair Value Prepayment rate Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Prepayment Speed Commitments and Contingencies Commitments and Contingencies Common stock, shares issued Common Stock, Shares, Issued Equity in undistributed net income Equity In Undistributed Earnings Equity in undistributed earnings. Liabilities Liabilities [Abstract] U.S. Treasury [Member] US Treasury Securities [Member] Capital conservation buffer Risk Weighted Assets Capital Conservation Buffer Risk weighted assets capital conservation buffer. Advertising Expense [Member] Advertising Expense [Member] Advertising Expense Minimum [Member] Minimum [Member] Debt instrument, frequency of periodic payment Debt Instrument, Frequency of Periodic Payment Subsequent advances Payments to Fund Long-Term Loans to Related Parties Additions Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Additions Bank undertook amount Business Combination Recognized Bank Amount Business combination recognized bank amount. Recoveries Allowance for Loan and Lease Loss, Recovery of Bad Debts Other Non-interest expense related to unfunded Other Non Interest Income Expense Recovery Related To Unfunded Other non interest Income expense (recovery) related to unfunded. Interest receivable Interest Receivable Fair Value Disclosure Interest receivable fair value disclosure. Loans - Net Loans, net Loans and Leases Receivable, Net Amount Maximum time for re-evaluation (in months) Maximum Time For Reevaluation Maximum time for reevaluation. Accounting Standards Update [Axis] Valuation allowance related to impaired loans Specific allocation for collateral dependent impaired loans Related Allowance Stockholders' Equity Stockholders' Equity Attributable to Parent [Abstract] Net unrealized gain (loss) on available-for-sale securities Other Comprehensive Income (Loss), Available-for-Sale Securities Adjustment, before Tax, Portion Attributable to Parent Treasury Stock [Member] Treasury Stock [Member] Schedule Of Available For Sale Securities [Table] Schedule of Available-for-Sale Securities [Table] Summary of Income: Summary Of Income [Abstract] Summary Of Income [Abstract] Common Equity Tier 1 Capital to Risk Weighted Assets Actual, Ratio Common Equity Tier1 To Risk Weighted Assets Common equity Tier 1 (CET1) divided by risk weighted assets. Operating loss carryforward at acquisition Operating Loss Carryforward at Acquisition Operating loss carryforward at acquisition. Commitments to extend credit [Member] Commitments to Extend Credit [Member] Cash and Cash Equivalents Cash and Cash Equivalents [Axis] Tier 1 Capital to Risk Weighted Assets To Be Well Capitalized Under the Prompt Corrective Action Provisions, Amount Banking Regulation, Tier 1 Risk-Based Capital, Well Capitalized, Minimum Weighted average fair value per award, Forfeited Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Amortization expense Amortization of core deposit intangible Award Type Award Type [Axis] Other Noncash Income (Expense), Total Other income (expense) Other Noncash Income (Expense) Overnight & Continuous [Member] Repurchase Agreements and Similar Transactions, Maturity Periods [Axis] Subsequent Event [Member] Subsequent Event [Member] Tier 1 Capital to Risk Weighted Assets For Capital Adequacy Purposes, Amount Banking Regulation, Tier 1 Risk-Based Capital, Capital Adequacy, Minimum Total consideration for acquisition Total Purchase of capital stock Business Combination, Consideration Transferred Noninterest Income Noninterest Income [Abstract] Total deferred tax assets Deferred Tax Assets, Gross Less: distributed earnings allocated to participating securities Participating Securities, Distributed and Undistributed Earnings (Loss), Basic Total Allowance for Credit Losses Beginning balance Ending Balance Financing Receivable, Allowance for Credit Loss Interest Expense Interest Expense [Abstract] ATM Expense [Member] A T M Expense [Member] ATM expense. Ending balance: collectively evaluated for impairment Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment Class of Financing Receivable Class of Financing Receivable [Domain] Deposits Deposit Liabilities Disclosures [Text Block] Agricultural Real Estate [Member] Agricultural Real Estate [Member] Agriculture Real Estate [Member] Agriculture Real Estate [Member] Dividend approved by federal reserve for the acquisition Statutory Accounting Practices, Statutory Amount Available for Dividend Payments with Regulatory Approval Award Date Award Date [Axis] Tier 1 Capital [Member] Tier One Capital [Member] Tier One Capital [Member] Entity Central Index Key Entity Central Index Key Nonperforming [Member] Nonperforming Financial Instruments [Member] Total interest income Interest income Interest and Dividend Income, Operating Accounting Policies [Abstract] Loss position existed For Under Water Securities Loss Position Expiration Period For under water securities loss position expiration period. Investments, Debt and Equity Securities [Abstract] Transfers of Financial Assets Transfers Of Financial Assets Policy [Text Block] Transfers of financial assets policy. Schedule of Available-for-sale Securities [Line Items] Debt Securities, Available-for-Sale [Line Items] Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total Less: Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Savings Deposits, Savings Deposits Schedule Of Property Plant And Equipment [Table] Property, Plant and Equipment [Table] Accreted discounts on bonds Deferred Tax Liabilities Accreted Discounts On Bonds Deferred tax liabilities accreted discounts on bonds. Subordinated notes, due date Long-Term Debt, Maturity Date Repurchase Agreements and Similar Transactions, Maturity Periods [Domain] Repayment period of loan with a reasonable reduction of principal balance Repayment Period Of Loan With Reasonable Reduction Of Principal Balance Repayment period of loan with reasonable reduction of principal balance. Dividends payable Dividend payable Dividends Payable Measurement Frequency Measurement Frequency [Axis] Provision for Loan Losses Business Acquisitions Pro Forma Provision For Loan Losses Business acquisitions pro forma provision for loan losses. Deferred taxes business combination allocated to additional paid in capital Deferred Taxes Business Combination Allocated To Additional Paid In Capital Deferred taxes business combination allocated to additional paid in capital. Subsequent Event [Table] Subsequent Event [Table] Ossian Financial Services, Inc. [Member] Ossian Financial Services Inc [Member] Ossian Financial Services, Inc. Gain (Loss) on Sales of Loans, Net, Total Gain on sale of loans held for sale Net gain on sale of loans Gain (Loss) on Sales of Loans, Net Condensed Financial Statements of Parent Company Condensed Financial Information of Parent Company Only Disclosure [Text Block] 2023 Federal Home Loan Bank, Advance, Maturity, Year One, Total Federal Home Loan Bank, Advance, Maturity, Year One Fair Value on Nonrecurring Basis [Member] Fair Value, Nonrecurring [Member] Employee contribution matching percentage Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to reconcile net income to net cash from operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Retained Earnings [Member] Retained Earnings [Member] Internal Credit Assessment Internal Credit Assessment [Axis] Common stock issued in exchange of each outstanding share Business acquisition, number of shares issued to purchase assets Loans Held for Sale Financing Receivable, Held-for-sale [Policy Text Block] Minimum ratio of capital to risk-weighted assets including capital conservation buffer Capital Required For Capital Adequacy To Risk Weighted Assets Including Capital Conservation Buffer Capital required for capital adequacy to risk weighted assets including capital conservation buffer. Time Deposits [Member] Time Deposits [Member] Time deposits. Nonelective employer contribution vesting percentage Defined Contribution Plan Nonelective Employer Contribution Vesting Percentage Defined contribution plan nonelective employer contribution vesting percentage. Stock issued for acquisition Common Shares Business Combination, Consideration Transferred, Equity Interests Issued and Issuable Federal Home Loan Banks [Abstract] Property, Plant and Equipment, Gross, Ending Balance Property, Plant and Equipment, Gross, Beginning Balance Property, Plant and Equipment, Gross, Total Premises and Equipment (Gross) Property, Plant and Equipment, Gross Mortgage Servicing Rights net, December 31 Servicing Asset, Total Assets measured at fair value on a nonrecurring basis, Total Fair Value Unsecured borrowings through correspondent banks Federal Home Loan Bank, Advances, General Debt Obligations, Amount of Available, Unused Funds Recognition of core deposit intangible asset with acquired purchase Finite-Lived Intangible Assets Acquired Entity Interactive Data Current Entity Interactive Data Current Entity Public Float Entity Public Float Financial Asset, Aging Financial Asset, Aging [Domain] Commercial Real Estate [Member] Commercial Real Estate [Member] Total Risk-Based Capital to Risk Weighted Assets To Be Well Capitalized Under the Prompt Corrective Action Provisions, Amount Banking Regulation, Total Risk-Based Capital, Well Capitalized, Minimum Federal funds sold Federal Funds Sold Related Party Transactions Related Party Transactions Disclosure [Text Block] Tier 1 Capital to Risk Weighted Assets Actual, Ratio Banking Regulation, Tier 1 Risk-Based Capital Ratio, Actual Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total Customer list intangible Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Amortized Cost, After ten years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 10 Undistributed Earnings (Loss) Allocated to Participating Securities, Basic, Total Less: undistributed earnings allocated to participating securities Undistributed Earnings (Loss) Allocated to Participating Securities, Basic Related Party Transactions [Abstract] Tier 1 leverage Capital to Adjusted Total Assets To Be Well Capitalized Under the Prompt Corrective Action Provisions, Ratio Banking Regulation, Tier 1 Leverage Capital Ratio, Well Capitalized, Minimum Customer Service Fees [Member] Bank Servicing [Member] Schedule of Variable Interest Entities [Table] Components of Deferred Tax Assets and Liabilities Summary of Deferred Tax Liability Not Recognized [Table Text Block] Defined contribution plan employer matching contribution description Defined Contribution Plan Employer Matching Contribution Description Defined contribution plan employer matching contribution description. Deferred: Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Weighted Average Rate End of Period Securities Sold Under Agreements To Repurchase Weighted Average Interest Rate Securities sold under agreements to repurchase weighted average interest rate. Fair Value, Twelve Months and Over Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Local Phone Number Local Phone Number Peoples Federal Savings and Loan [Member] Peoples Federal Savings And Loan [Member] Peoples Federal Savings And Loan [Member] Increase (Decrease) in Federal Funds Purchased and Securities Sold under Agreements to Repurchase, Net, Total Net change in federal funds purchased and securities sold under agreements to repurchase Increase (Decrease) in Federal Funds Purchased and Securities Sold under Agreements to Repurchase, Net Net amortization (accretion) of fair value adjustments Amortization Accretion Of Fair Value Adjustments Amortization (accretion) of fair value adjustments. Unrecognized Tax Benefits, Ending Balance Unrecognized Tax Benefits, Beginning Balance Unrecognized deferred taxes Unrecognized Tax Benefits 1-2 [Member] Excellent And Good [Member] Excellent And Good [Member] Financial Assets Measured at Fair Value on Recurring Basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] Common Equity Tier 1 Capital to Risk Weighted Assets To Be Well Capitalized Under the Prompt Corrective Action Provisions, Amount Banking Regulation, Common Equity Tier 1 Risk-Based Capital, Well Capitalized, Minimum Noninterest-Bearing Deposit Liabilities, Total Noninterest-bearing Noninterest-Bearing Deposit Liabilities Restricted shares awarded for other Share Based Compensation Arrangement By Share Based Payment Award Number Of Employee Share Awarded Due To Other Share based compensation arrangement by share based payment award number of employee share awarded due to other. Summary of Consideration Paid and Amounts of Assets Acquired and Liabilities Assumed Recognized Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract] Common Equity Tier 1 Capital to Risk Weighted Assets To Be Well Capitalized Under the Prompt Corrective Action Provisions, Ratio Common Equity Tier1 Capital Required To Be Well Capitalized To Risk Weighted Assets Common equity tier 1 capital required to be well capitalized to risk weighted assets. Borrowings and Subordinated Notes Subordinated Borrowings Disclosure [Text Block] Payments for (Proceeds from) Loans and Leases, Total Loan originations and principal collections, net Payments for (Proceeds from) Loans and Leases Vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Debt Disclosure [Abstract] Summary of Quarterly Financial Data Quarterly Financial Information [Table Text Block] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Schedule of Impaired Loans Impaired Financing Receivables [Table Text Block] Total nonaccrual loans Investment in nonaccrual loans Financing Receivable, Nonaccrual Tax exempt interest Effective Income Tax Rate Reconciliation, Tax Exempt Income, Amount Farmers & Merchants State Bank [Member] Consolidated Entities [Axis] Cash flows expected to be collected at acquisition Certain Loans Acquired in Transfer Accounted for as Debt Securities, Acquired During Period, Cash Flows Expected to be Collected at Acquisition Related party receivables: Due from Related Parties, Unclassified [Abstract] Less: Net deferred loan fees and costs Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums Amortization of customer list intangible Amortization Of Customer List Intangible Amortization of customer list intangible. Deferred Tax Liabilities: Components of Deferred Tax Liabilities [Abstract] Common Equity Tier 1 Capital [Member] Common Equity Tier One Capital [Member] Common equity tier one capital. Income Statement Location Income Statement Location [Domain] Total Liabilities Assumed Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Treasury stock repurchased Treasury stock repurchased Purchase of treasury stock Treasury Stock, Value, Acquired, Cost Method OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax [Abstract] Restricted shares awarded due to retirement Number of shares vested Number Of Awards Granted To One Employee On Retirement Number of awards granted to one employee on retirement. Property, Plant and Equipment [Abstract] Number of Shares, Beginning of period Number of Shares, Nonvested, end of period Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Net Interest Income - Before Provision for Loan Losses Business Acquisitions Pro Forma Net Interest Income Before Provision For Loan Losses Business acquisitions pro forma net interest income before provision for loan losses. Non Interest Bearing Deposits [Member] Non Interest Bearing Deposits [Member] Non interest bearing deposits. Acquisition expected to be uncollectible Acquisition expected to be uncollectible Business Combination, Acquired Receivables, Estimated Uncollectible Discount recognized at acquisition related to commercial purchased credit-impaired loans Discount Recognized At Acquisition Related To Commercial Purchased Credit Impaired Loans Discount recognized at acquisition related to commercial purchased credit-impaired loans. Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Quarterly Financial Data Quarterly Financial Information [Text Block] Sales Proceeds From Sales Of Other Securities Proceeds from sales of other securities. With no related allowance recorded, Average Recorded Investment Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment Participating Mortgage Loans Participating Mortgage Loans [Axis] Equity in undistributed earnings of subsidiaries Equity In Undistributed Earnings Distributions In Excess Of Earnings Equity in undistributed earnings (distributions in excess of earnings). Securities - available-for-sale Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Marketable Securities Other Service Charges and Fees [Member] Financial Service, Other [Member] Valuation Technique Servicing Asset, Valuation Technique [Extensible Enumeration] Carrying amount, net of fair value adjustment Certain Loans Acquired in Transfer Accounted for as Debt Securities, Carrying Amount, Net Beginning Balance Ending Balance Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield Document Fiscal Year Focus Document Fiscal Year Focus Estimated Fair Values and Related Carrying or Notional Amounts Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Noncash or Part Noncash Acquisition, Value of Liabilities Assumed, Total Liabilities assumed Noncash or Part Noncash Acquisition, Value of Liabilities Assumed Proceeds from Sale of Productive Assets, Total Proceeds from sales of other assets owned Proceeds from Sale of Productive Assets Participating Mortgage Loan, Name Participating Mortgage Loan, Name [Domain] Financing Receivable Portfolio Segment Financing Receivable Portfolio Segment [Axis] Earnings per Common Share, Basic Basic earnings per share Basic Earnings Per Share Earnings Per Share, Basic Condensed Financial Information Disclosure [Abstract] Income taxes paid Income Taxes Paid Dividends Declared Cash dividends declared, per share Common Stock, Dividends, Per Share, Declared Cash dividends declared Dividends, Common Stock, Cash Assets Assets [Abstract] Percentage of notes prices on principal amount Percentage Of Notes Prices On Principal Amount Percentage of notes prices on principal amount. Net Deferred Tax Asset Deferred Tax Assets, Net Income Before Income Taxes Business Acquisitions Pro Forma Income Loss Before Income Taxes Business acquisitions pro forma income loss before income taxes. Percentage of interest on loan accrues rate Percentage Of Interest On Loan Accrues Rate Percentage of interest on loan accrues rate. Treasury stock - 956,003 shares 12/31/22, 997,766 shares 12/31/21 Treasury Stock, Value, Total Treasury Stock, Value Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount, Total Other Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount Term note Debt Instrument, Face Amount Loan receivable weighted average life Loan Receivable Weighted Average Useful Life Loan receivable weighted average useful life. (Decrease) increase resulting from: Income Tax Expense Benefit Continuing Operations Increase Decrease By Items Reconciliation [Abstract] Income Tax Expense Benefit Continuing Operations Increase Decrease By Items Reconciliation [Abstract] Financial Instrument Financial Instrument [Axis] Nature of Operations Nature Of Operation Policy [Text Block] Nature of operation. Director stock awards, shares Stock Issued During Period Directors Stock Awards Shares Stock issued during period directors stock awards shares. 2026 Federal Home Loan Bank, Advance, Maturity, Year Four Long-Lived Tangible Asset Long-Lived Tangible Asset [Axis] Provision for Loan Losses Provision (Credit) Provision for loan loss Business combination, premises and equipment written down value Business Combination Identifiable Assets In Premises And Equipment Written Down Value Business combination identifiable assets in premises and equipment written down value. Liabilities and Stockholders' Equity Liabilities and Equity [Abstract] Salaries and wages Salary and Wage, NonOfficer, Excluding Cost of Good and Service Sold Land [Member] Land [Member] Advances, secured by mortgage loans Financing Receivable, after Allowance for Credit Loss, Total Performing Ending balance: loans acquired with deteriorated credit quality Financing Receivable, after Allowance for Credit Loss Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Bank Premises and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Financing Receivable, before Allowance for Credit Loss, Total Total Past Due Financing Receivable, before Allowance for Credit Loss Internal Credit Assessment Internal Credit Assessment [Domain] ATM expense Atm Expense Amount of expenses incurred for ATM expenses during the reporting period. Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest 2026 Finite-Lived Intangible Asset, Expected Amortization, Year Four Taxes, Miscellaneous, Total Franchise taxes Taxes, Miscellaneous Proceeds from issuance of subordinated notes Proceeds from Issuance of Subordinated Long-Term Debt Federal Funds Purchased and Securities Sold under Agreements to Repurchase, Total Federal funds purchased and securities sold under agreement to repurchase Total Federal Funds Purchased and Securities Sold under Agreements to Repurchase Percentage of fair value of capital over carrying value Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount Allowance for loan losses Deferred Tax Asset, Tax Deferred Expense, Reserve and Accrual, Financing Receivable, Allowance for Credit Loss 2024 Finite-Lived Intangible Asset, Expected Amortization, Year Two Ossian State Bank [Member] Ossian State Banks [Member] Ossian state bank. Total noninterest income Noninterest Income Commercial and Industrial [Member] Commercials And Industrial [Member] Commercial and industrial. Securities to be used as collateral for the underlying repurchase agreements Investments pledged, carrying value Debt Securities Debt Securities, Total Gross Unrealized Losses, Less Than Twelve Months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Schedule of Remaining Contractual Maturity in Repurchase Agreements and Collateral Pledged Schedule of Securities Financing Transactions [Table Text Block] Other Deferred Tax Liabilities, Other Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Domain] Gross Unrealized Losses, Aggregated by Investment Category and Length of Time Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] Interest-bearing Interest-Bearing Deposit Liabilities [Abstract] Supplemental cash flow information: Supplemental Cash Flow Elements [Abstract] Employer matching contribution and the discretionary contribution Defined Contribution Plan, Employer Discretionary Contribution Amount Allowance for credit losses relates to unfunded loan commitments Allowance For Credit Losses Relates To Unfunded Loan Commitments Allowance for credit losses relates to unfunded loan commitments. Mortgage servicing rights Deferred Tax Liabilities, Mortgage Servicing Rights Foreclosed residential real estate property Other real estate owned Real Estate Acquired Through Foreclosure Impaired loans classified as troubled debt restructured Financing Receivable, Troubled Debt Restructuring Other Securities Other Securities Policy [Text Block] Disclosure of accounting policy for other securities. Measurement Frequency Measurement Frequency [Domain] Changes in assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Related Party Transaction [Line Items] Related Party Transaction [Line Items] (Gain) loss on sale of other assets owned Net (gain) loss on sale of other assets owned Gain (Loss) on Disposition of Other Assets Entity Entity [Domain] Period for federal funds sold outstanding Period For Federal Funds Sold Outstanding Period for federal funds sold outstanding. Schedule of Condensed Income and Comprehensive Income Statements Condensed Income Statement [Table Text Block] Vesting percentage in participant's deferral contributions and employer matching contributions Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage Maturity period of cash equivalents Original Maturity Period To Consider All Highly Liquid Investments Purchased As Cash Equivalents Original maturity period to consider all highly liquid investments purchased as cash equivalents. Cover [Abstract] Underwater security Maturity Period For Under Water Securities Maturity period for under water securities. Product and Service Product and Service [Domain] Measurement Basis Measurement Basis [Axis] Employee benefits Employee Benefits and Share-Based Compensation Approximate Average Outstanding in Period Securities Sold Under Agreements To Repurchase Average Outstanding Amount In Period Securities sold under agreements to repurchase average outstanding amount in period. Number of Shares, Vested Number of shares vested Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Restricted shares awarded for other Number Of Awards Granted To One Employee For Other Number of awards granted to one employee for other. Daily Securities under Agreement to Repurchase Schedule Of Securities Sold Under Agreement To Repurchase Table [Text Block] Schedule of securities sold under agreement to repurchase. Debt Securities, Available-for-Sale, Realized Gain (Loss) [Abstract] Discount rate Debt Securities, Available-for-Sale, Measurement Input Noninterest Income Business Acquisitions Pro Forma Noninterest Income Business acquisitions pro forma noninterest income. Maximum [Member] Maximum [Member] Valuation Technique Other Real Estate Owned, Valuation Technique [Extensible Enumeration] Repayment of FHLB advances Payments of FHLBank Borrowings, Financing Activities Commercial and Industrial [Member] Commercial Portfolio Segment [Member] Unrealized gains (losses) on securities, net of taxes OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Summary of Changes in Accretable Yield or Income Expected to be Collected Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Movement Table [Text Block] Certain loans acquired in transfer accounted for as debt securities accretable yield movement. With a specific allowance recorded, Average Recorded Investment Impaired Financing Receivable, with Related Allowance, Average Recorded Investment Schedule Of Trading Securities And Other Trading Assets [Table] Debt Securities, Trading, and Equity Securities, FV-NI [Table] Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Furnishings [Member] Furniture and Fixtures [Member] Other securities, at cost Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Other Securities Business combination recognized identifiable assets acquired and liabilities assumed other securities. Collateral Held Collateral Held [Axis] Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net, Total Transfer of assets into or out of level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net Amortized Cost and Fair Value of Debt Securities, by Contractual Maturity Investments Classified by Contractual Maturity Date [Table Text Block] 2026 Time Deposit Maturities, Year Four Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Payment Changes from Monthly Payment to Principal and Interest at Maturity [Member] Payment Changes From Monthly Payment To Principal And Interest At Maturity [Member] Payment changes from monthly payment to principal and interest at maturity. Use of Estimates Use of Estimates, Policy [Policy Text Block] Restricted stock awards, shares issued Issuance of shares of restricted stock, Shares Stock Issued During Period, Shares, Restricted Stock Award, Gross Total required payments receivable Certain Loans Acquired in Transfer Accounted for as Debt Securities, Acquired During Period, Contractually Required Payments Receivable at Acquisition Debt instrument basis points Debt Instrument, Basis Spread on Variable Rate Fair value adjustment of loans acquired and accounted Fair value adjustment Certain Loans Acquired In Transfer Accounted For As Debt Securities Fair Value Adjustment Certain loans acquired in transfer accounted for as debt securities fair value adjustment. Total deferred tax liabilities Deferred Tax Liabilities, Gross Other Loan [Member] Other Loan [Member] Other loan. Summary of Carrying Amount of Loans Business Combinations Loans Acquired Carrying Amount Table [Text Block] Business combinations loans acquired carrying amount. Cash Management Advance Cash Management Advance [Member] Cash management advance. Expenses Interest And Operating Expenses [Abstract] Interest and operating expenses. Financial Asset, Aging Financial Asset, Aging [Axis] Assets Cash Cash Loan Restructuring Modification Loan Restructuring Modification [Axis] Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Subordinated Debt, Ending Balance Subordinated Debt, Beginning Balance Subordinated Debt, Total Subordinated notes, net of unamortized issuance costs Subordinated Debt Director stock awards Stock Issued During Period Directors Stock Awards Stock issued during period directors stock awards. 2024 Federal Home Loan Bank, Advance, Maturity, Year Two 2027 Finite-Lived Intangible Asset, Expected Amortization, Year Five Interest-bearing time deposits Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Interest Bearing Time Deposit Business combination recognized identifiable assets acquired and liabilities assumed interest bearing time deposits. Property, plant and equipment, useful life Property, Plant and Equipment, Useful Life With a specific allowance recorded, Interest Income Recognized Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method State and Local Governments Taxable[Member] U S States And Political Subdivisions Taxable Debt Securities [Member] US states and political subdivisions taxable debt securities. Principal Long-Term Debt, Gross 2025 Finite-Lived Intangible Asset, Expected Amortization, Year Three Common stock, shares authorized Common Stock, Shares Authorized Subordinated Notes Subordinated Debt [Member] Short-term Debt, Type Short-Term Debt, Type [Domain] Trading Symbol Trading Symbol Cash payment for exchange of each share Cash Consideration Payable On Acquisition Per Share Cash consideration payable on acquisition, per share. Interest Income, Securities, US Treasury and Other US Government, Total U.S. Treasury and government agencies Interest Income, Securities, US Treasury and Other US Government Schedule Of Impaired Financing Receivable [Table] Schedule of Impaired Financing Receivable [Table] Time Deposits Time Deposits Table [Text Block] Time deposits. 2025 Time Deposit Maturities, Year Three FDIC assessment Federal Deposit Insurance Corporation Premium Expense Impaired Loans Classified as Troubled Debt Restructured Financing Receivable, Troubled Debt Restructuring [Table Text Block] Selling, General and Administrative Expense, Total Other general and administrative Selling, General and Administrative Expense Increase (Decrease) in Deposits, Total Net change in deposits Increase (Decrease) in Deposits Title of Individual Title of Individual [Domain] Subsequent Event Type Subsequent Event Type [Axis] Other Deferred Tax Assets, Other Cash and Due from Banks, Total Cash and due from banks Cash and Due from Banks Total Risk-Based Capital to Risk Weighted Assets To Be Well Capitalized Under the Prompt Corrective Action Provisions, Ratio Banking Regulation, Total Risk-Based Capital Ratio, Well Capitalized, Minimum Comprehensive Income (Loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Consulting fees Professional Fees Gross Unrealized Losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Schedule Of Related Party Transactions By Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Title of Individual Title of Individual [Axis] Purchase of treasury stock, shares Treasury Stock, Shares, Acquired 5 [Member] Special Mention [Member] Federal income tax at statutory rates Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Board of Directors [Member] Director [Member] Perpetual Federal Savings Bank {Member] Perpetual Federal Savings Bank [Member] Perpetual federal savings bank. Long-Lived Tangible Asset Long-Lived Tangible Asset [Domain] Awards grants originated in 2019, 2020 and 2021 [Member] Award Grants Originated In Period Four [Member] Award grants originated in period four. With a specific allowance recorded, Interest Income Recognized Cash Basis Impaired Financing Receivable, with Related Allowance, Interest Income, Cash Basis Method Term of loan Debt Instrument, Term Major Category Of Receivables Due Within One Year [Member] Major Category Of Receivables Due Within One Year [Member] Major Category Of Receivables Due Within One Year [Member] Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Issuance of shares of common stock in acquisition Issuance of common stock in acquisition, shares Stock Issued During Period, Shares, Acquisitions Summary of Restricted Shares Issued, Vested and Forfeited Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] Current Financial Asset, Not Past Due [Member] Other Comprehensive Income (Loss) Comprehensive Income, Policy [Policy Text Block] Number of Shares, Granted Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Issuance of common stock in acquisition Stock Issued During Period, Value, Acquisitions Activity in other securities, at cost: Activity In Other Securities At Cost [Abstract] Activity in other securities at cost. Premises and Equipment Property, Plant and Equipment Disclosure [Text Block] Unobservable Inputs Servicing Asset, Measurement Input [Extensible Enumeration] Fair Value [Member] Estimate of Fair Value Measurement [Member] Other assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Total loans past-due ninety days or more and still accruing Recorded Investment > 90 Days and Accruing Financing Receivable, 90 Days or More Past Due, Still Accruing Debt Instrument [Line Items] Debt Instrument [Line Items] Long-term Debt, Type Long-Term Debt, Type [Domain] Consumer Real Estate [Member] Consumer Real Estate Loan [Member] Consumer real estate loan. Principal Forgiveness [Member] Principal Forgiveness [Member]