Entity Central Index Key Business combination recognized identifiable assets acquired and liabilities assumed federal funds sold. Business combination recognized identifiable assets acquired and liabilities assumed interest bearing time deposits. Business combination recognized identifiable assets acquired and liabilities assumed other securities. Business combination recognized identifiable assets acquired and liabilities assumed loans net. Business combination recognized identifiable assets acquired and liabilities assumed non interest bearing. Business combination recognized identifiable assets acquired and liabilities assumed interest bearing. Business combination recognized identifiable assets acquired and liabilities assumed deposits. Business combination recognized identifiable assets acquired and liabilities assumed federal home loan bank advances. Business combination recognized identifiable assets acquired and liabilities assumed accrued expenses and other liabilities. Available for sale debt securities amortized cost basis excluding mortgage backed securities. Mortgage backed securities available for sale amortized cost. Amount of time deposit liabilities, including certificates of deposit, in denominations of less than $250,000. Deferred tax assets net unrealized loss on available for sale securities. Deferred tax assets fair value adjustments. Deferred tax liabilities accreted discounts on bonds. Deferred tax liabilities FHLB stock dividends. Deferred tax liabilities net unrealized gain on available for sale securities. Dividend and accounts receivable from subsidiary. Accrued interest receivable and other assets. Interest income expense federal funds sold and purchased. Dividend income operating from bank subsidiaries. Interest and operating expenses. Income from operation before equity in undistributed earnings of subsidiary. Equity in undistributed earnings (distributions in excess of earnings). Amortization of customer list intangible. Amortization (accretion) of fair value adjustments. Share based compensation director stock awards. Increase in cash surrender value of bank owned life insurance. Equity in undistributed earnings. Payments to acquire available for sale securities debt including adjustment for securities acquired in acquisition. Proceeds from sales of other securities. Payments to acquire sales of other securities. Cover [Abstract] Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Well Known Seasoned Issuer Entity Current Reporting Status Entity Current Reporting Status Entity Voluntary Filers Entity Voluntary Filers Entity Filer Category Entity Filer Category Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Shell Company Entity Shell Company Entity File Number Entity File Number Entity Tax Identification Number Entity Tax Identification Number Entity Address, Address Line One Entity Address Address Line1 Entity Address, City or Town Entity Address City Or Town Entity Address, Postal Zip Code Entity Address Postal Zip Code City Area Code City Area Code Local Phone Number Local Phone Number Entity Incorporation, State or Country Code Entity Incorporation State Country Code Document Annual Report Document Annual Report Document Transition Report Document Transition Report ICFR Auditor Attestation Flag Icfr Auditor Attestation Flag Entity Interactive Data Current Entity Interactive Data Current Entity Address, State or Province Entity Address State Or Province Title of 12(b) Security Security12b Title Security Exchange Name Security Exchange Name Entity Common Stock, Shares Outstanding Entity Common Stock Shares Outstanding Entity Public Float Entity Public Float Auditor Name Auditor Name Auditor Location Auditor Location Auditor Firm ID Auditor Firm Id Statement Of Financial Position [Abstract] Assets Assets [Abstract] Cash and due from banks Cash And Due From Banks Federal funds sold Federal Funds Sold Total cash and cash equivalents Cash Cash Equivalents And Federal Funds Sold Interest-bearing time deposits Interest Bearing Deposits In Banks Securities - available-for-sale Available For Sale Securities Debt Securities Other securities, at cost Other Investments And Securities At Cost Loans held for sale Loans Receivable Held For Sale Net Not Part Of Disposal Group Loans, net Loans And Leases Receivable Net Reported Amount Premises and equipment Property Plant And Equipment Net Goodwill Goodwill Mortgage servicing rights Servicing Asset At Amortized Value Other real estate owned Real Estate Acquired Through Foreclosure Bank owned life insurance Bank Owned Life Insurance Other assets Other Assets Total Assets Assets Liabilities and Stockholders' Equity Liabilities And Stockholders Equity [Abstract] Liabilities Liabilities [Abstract] Deposits Deposits [Abstract] Noninterest-bearing Noninterest Bearing Deposit Liabilities Interest-bearing Interest Bearing Deposit Liabilities [Abstract] NOW accounts Deposits Negotiable Order Of Withdrawal N O W Savings Deposits Savings Deposits Time Time Deposits Total deposits Deposits Federal funds purchased and securities sold under agreement to repurchase Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Federal Home Loan Bank (FHLB) advances Advances From Federal Home Loan Banks Other borrowings Other Borrowings Subordinated notes, net of unamortized issuance costs Subordinated Debt Dividend payable Dividends Payable Current And Noncurrent Accrued expenses and other liabilities Accrued Liabilities And Other Liabilities Total liabilities Liabilities Commitments and Contingencies Commitments And Contingencies Stockholders' Equity Stockholders Equity [Abstract] Common stock - No par value 20,000,000 shares authorized; issued and outstanding 14,063,999 shares 12/31/21 and 12,230,000 shares 12/31/20 Common Stock Value Treasury stock - 997,766 shares 12/31/21, 1,032,456 shares 12/31/20 Treasury Stock Value Retained earnings Retained Earnings Accumulated Deficit Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income Loss Net Of Tax Total stockholders' equity Stockholders Equity Total Liabilities and Stockholders' Equity Liabilities And Stockholders Equity Common stock, no par value Common Stock No Par Value Common stock, shares authorized Common Stock Shares Authorized Common stock, shares issued Common Stock Shares Issued Common stock, shares outstanding Common Stock Shares Outstanding Treasury Stock, shares Treasury Stock Shares Amount of expenses incurred for ATM expenses during the reporting period. Income Statement [Abstract] Statement [Table] Statement [Table] Product and Service Product Or Service [Axis] Product and Service Products And Services [Domain] Customer Service Fees [Member] Bank Servicing [Member] Other Service Charges and Fees [Member] Financial Service Other [Member] Statement [Line Items] Statement [Line Items] Interest Income Interest And Dividend Income Operating [Abstract] Loans, including fees Interest And Fee Income Loans And Leases Debt securities: Interest Income Securities By Security Type [Abstract] U.S. Treasury and government agencies Interest Income Securities U S Treasury And Other U S Government Municipalities Interest Income Securities State And Municipal Dividends Dividend Income Operating Federal funds sold Interest Income Expense Federal Funds Sold And Purchased Other Interest Income Other Total interest income Interest And Dividend Income Operating Interest Expense Interest Expense [Abstract] Deposits Interest Expense Deposits Federal funds purchased and securities sold under agreements to repurchase Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Borrowed funds Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term Subordinated notes Interest Expense Subordinated Notes And Debentures Total interest expense Interest Expense Net Interest Income Before Provision for Loan Losses Interest Income Expense Net Provision for Loan Losses Provision For Loan And Lease Losses Net Interest Income After Provision for Loan Losses Interest Income Expense After Provision For Loan Loss Noninterest Income Noninterest Income [Abstract] Noninterest income Revenue From Contract With Customer Excluding Assessed Tax Net gain on sale of loans Gain Loss On Sales Of Loans Net Net gain (loss) on sale of available-for-sale securities Debt Securities Available For Sale Realized Gain Loss Total noninterest income Noninterest Income Noninterest Expense Noninterest Expense [Abstract] Salaries and wages Salaries And Wages Employee benefits Employee Benefits And Share Based Compensation Net occupancy expense Occupancy Net Furniture and equipment Equipment Expense Data processing Information Technology And Data Processing Franchise taxes Taxes Excluding Income And Excise Taxes ATM expense Atm Expense Advertising Advertising Expense Net loss on sale of other assets owned Gain Loss On Sale Of Other Assets FDIC assessment Federal Deposit Insurance Corporation Premium Expense Mortgage servicing rights amortization Amortization Of Mortgage Servicing Rights M S Rs Consulting fees Professional Fees Other general and administrative Selling General And Administrative Expense Total noninterest expense Noninterest Expense Income Before Income Taxes Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest Income Taxes Income Tax Expense Benefit Net Income Net Income Loss Basic and Diluted Earnings Per Share Earnings Per Share Basic And Diluted Dividends Declared Common Stock Dividends Per Share Declared Statement Of Income And Comprehensive Income [Abstract] Net Income Other Comprehensive Income (Loss) (Net of Tax): Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent [Abstract] Net unrealized gain (loss) on available-for-sale securities Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax Reclassification adjustment for realized (gain) loss on sale of available-for-sale securities Other Comprehensive Income Loss Reclassification Adjustment From A O C I For Sale Of Securities Before Tax Net unrealized gain (loss) on available-for-sale securities Other Comprehensive Income Availableforsale Securities Adjustment Before Tax Portion Attributable To Parent Tax expense (benefit) Other Comprehensive Income Availableforsale Securities Tax Portion Attributable To Parent Other comprehensive income (loss) Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent Comprehensive Income Comprehensive Income Net Of Tax Stock issued during period directors stock awards shares. Stock issued during period directors stock awards. Statement Of Stockholders Equity [Abstract] Equity Components Statement Equity Components [Axis] Equity Component Equity Component [Domain] Common Stock [Member] Common Stock [Member] Treasury Stock [Member] Treasury Stock [Member] Retained Earnings [Member] Retained Earnings [Member] Accumulated Other Comprehensive Income (Loss) [Member] Accumulated Other Comprehensive Income [Member] Beginning balance Beginning balance, shares Shares Issued Net income Other comprehensive income (loss) Other Comprehensive Income Loss Net Of Tax Issuance of common stock in acquisition Stock Issued During Period Value Acquisitions Issuance of common stock in acquisition, shares Stock Issued During Period Shares Acquisitions Purchase of treasury stock Treasury Stock Value Acquired Cost Method Purchase of treasury stock, shares Treasury Stock Shares Acquired Issuance of restricted stock (Net of forfeitures) Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures Issuance of restricted stock (Net of forfeitures), Shares Stock Issued During Period Shares Restricted Stock Award Net Of Forfeitures Stock-based compensation expense Stock Issued During Period Value Share Based Compensation Director stock awards Stock Issued During Period Directors Stock Awards Director stock awards, shares Stock Issued During Period Directors Stock Awards Shares Cash dividends declared Dividends Common Stock Cash Ending balance Ending balance, shares Issuance of shares of restricted stock, Shares Stock Issued During Period Shares Restricted Stock Award Gross Issuance of shares of restricted stock, forfeitures Stock Issued During Period Shares Restricted Stock Award Forfeited Issuance of shares of common stock in acquisition Cash dividends declared, per share Activity in other securities at cost. Statement Of Cash Flows [Abstract] Business Acquisition Business Acquisition [Axis] Business Acquisition, Acquiree Business Acquisition Acquiree [Domain] Limberlost Bancshares, Inc. Limberlost Bancshares, Inc. [Member] Limberlost Bancshares Inc [Member] Ossian Financial Services, Inc. Ossian Financial Services, Inc. [Member] Ossian Financial Services Inc [Member] Perpetual federal savings bank. Perpetual Federal Savings Bank [Member] Perpetual Federal Saving Bank [Member] Adams County Financial Resources. Adams County Financial Resources [Member] Adams County Financial Resources [Member] Cash Flows from Operating Activities Net Cash Provided By Used In Operating Activities [Abstract] Net income Profit Loss 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] Depreciation Depreciation Nonproduction Amortization of premiums on available-for-sale securities, net Accretion Amortization Of Discounts And Premiums Investments Servicing rights amortization and impairment Amortization of core deposit intangible Amortization Of Intangible Assets Amortization of customer list intangible Amortization Of Customer List Intangible Net amortization (accretion) of fair value adjustments Amortization Accretion Of Fair Value Adjustments Amortization of subordinated note issuance costs Amortization Of Financing Costs Stock-based compensation expense Share Based Compensation Director stock awards Share Based Compensation Director Stock Awards Deferred income taxes Deferred Income Tax Expense Benefit Provision for loan losses Gain on sale of loans held for sale Originations of loans held for sale Payments For Origination And Purchases Of Loans Held For Sale Proceeds from sale of loans held for sale Proceeds From Sale Of Loans Held For Sale Loss on sale of other assets owned (Gain) loss on sales of available-for-sale securities Increase in cash surrender value of bank owned life insurance Increase In Cash Surrender Value Of Bank Owned Life Insurance Gain on bank owned life insurance Bank Owned Life Insurance Income Change in other assets and other liabilities, net Increase Decrease In Other Operating Capital Net Net cash provided by operating activities Net Cash Provided By Used In Operating Activities Cash Flows from Investing Activities Net Cash Provided By Used In Investing Activities [Abstract] Activity in available-for-sale securities: Additional Cash Flow Elements Investing Activities [Abstract] Maturities, prepayments and calls Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities Sales Proceeds From Sale Of Available For Sale Securities Debt Purchases Payments To Acquire Available For Sale Securities Debt Including Adjustment For Securities Acquired In Acquisition Activity in other securities, at cost: Activity In Other Securities At Cost [Abstract] Sales Proceeds From Sales Of Other Securities Purchases Payments To Acquire Sales Of Other Securities Purchase of bank owned life insurance Payments To Acquire Life Insurance Policies Proceeds from bank owned life insurance Proceeds From Life Insurance Policies Change in interest-bearing time deposits Proceeds From Payments For In Interest Bearing Deposits In Banks Proceeds from redemption of FHLB stock Proceeds From Sale Of Federal Home Loan Bank Stock Proceeds from sales of other assets owned Proceeds From Sale Of Productive Assets Additions to premises and equipment Payments To Acquire Property Plant And Equipment Loan originations and principal collections, net Payments For Proceeds From Loans And Leases Acquisition, net of cash received Payments To Acquire Businesses Net Of Cash Acquired Net cash used in investing activities Net Cash Provided By Used In Investing Activities Cash Flows from Financing Activities Net Cash Provided By Used In Financing Activities [Abstract] Net change in deposits Increase Decrease In Deposits 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 Repayment of FHLB advances Repayments Of Federal Home Loan Bank Borrowings Proceeds of other borrowings Proceeds From Other Debt Purchase of treasury stock Payments For Repurchase Of Common Stock Proceeds from issuance of subordinated notes Proceeds From Issuance Of Subordinated Long Term Debt Cash dividends paid on common stock Payments Of Dividends Common Stock Net cash provided by financing activities Net Cash Provided By Used In Financing Activities Net Increase in Cash and Cash Equivalents Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect Cash and Cash Equivalents - Beginning of Year Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations Cash and Cash Equivalents - End of Year Supplemental Information Supplemental Cash Flow Information [Abstract] Supplemental cash flow information: Supplemental Cash Flow Elements [Abstract] Interest paid Interest Paid Net Income taxes paid Income Taxes Paid Supplemental noncash disclosures: Other Noncash Investing And Financing Items [Abstract] Transfer of loans to other real estate owned Transfer Of Other Real Estate Cash dividends declared not paid Dividends Fair value of assets acquired Fair Value Of Assets Acquired Less: common stock issued Stock Issued1 Cash paid for the capital stock Payments To Acquire Businesses Gross Liabilities assumed Noncash Or Part Noncash Acquisition Value Of Liabilities Assumed1 Legal Entity Legal Entity [Axis] Entity Entity [Domain] Purchase of capital stock Business Combination Consideration Transferred1 Business acquisition, number of shares issued to purchase assets Business Acquisition Equity Interests Issued Or Issuable Number Of Shares Issued Purchase of assets Noncash Or Part Noncash Acquisition Net Nonmonetary Assets Acquired Liabilities Assumed1 Documents Incorporated by Reference Documents Incorporated By Reference [Text Block] Accounting Policies [Abstract] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Business Combinations [Abstract] Business Combination & Asset Purchase Business Combination Disclosure [Text Block] Investments Debt And Equity Securities [Abstract] Securities Investments In Debt And Marketable Equity Securities And Certain Trading Assets Disclosure [Text Block] Receivables [Abstract] Loans Loans Notes Trade And Other Receivables Disclosure [Text Block] Property Plant And Equipment [Abstract] Premises and Equipment Property Plant And Equipment Disclosure [Text Block] Transfers And Servicing [Abstract] Servicing Transfers And Servicing Of Financial Assets [Text Block] Deposits Deposit Liabilities Disclosures [Text Block] Brokers And Dealers [Abstract] Federal Funds Purchased and Securities Sold Under Agreement to Repurchase Repurchase Agreements Resale Agreements Securities Borrowed And Securities Loaned Disclosure [Text Block] Debt Disclosure [Abstract] Borrowings and Subordinated Notes Subordinated Borrowings Disclosure [Text Block] Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Compensation And Retirement Disclosure [Abstract] Employee Benefit Plans Pension And Other Postretirement Benefits Disclosure [Text Block] Earnings Per Share [Abstract] Earnings Per Share Earnings Per Share [Text Block] Related Party Transactions [Abstract] Related Party Transactions Related Party Transactions Disclosure [Text Block] Commitments And Contingencies Disclosure [Abstract] Off Balance Sheet Activities Commitments And Contingencies Disclosure [Text Block] Federal Home Loan Banks [Abstract] Minimum Regulatory Capital Requirements Regulatory Capital Requirements Under Banking Regulations [Text Block] Equity [Abstract] Restrictions of Dividends & Inter-company Borrowings Restrictions On Dividends Loans And Advances [Text Block] Fair Value Disclosures [Abstract] Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Condensed Financial Information Of Parent Company Only Disclosure [Abstract] Condensed Financial Statements of Parent Company Condensed Financial Information Of Parent Company Only Disclosure [Text Block] Quarterly Financial Information Disclosure [Abstract] Quarterly Financial Data Quarterly Financial Information [Text Block] Subsequent Events [Abstract] Subsequent Events Subsequent Events [Text Block] Nature of operation. Nature of Operations Nature Of Operation Policy [Text Block] Consolidation Policy Consolidation Policy [Text Block] Use of Estimates Use Of Estimates Cash and Cash Equivalents Cash And Cash Equivalents Policy [Text Block] Restrictions on Cash and Amounts Due from Banks Cash And Cash Equivalents Restricted Cash And Cash Equivalents Policy Securities Marketable Securities Policy Disclosure of accounting policy for other securities. Other Securities Other Securities Policy [Text Block] Loans. Loans Loans Policy [Text Block] Allowance for Loan Losses Loans And Leases Receivable Allowance For Loan Losses Policy Loans Held for Sale Finance Loan And Lease Receivables Held For Sale Policy Servicing Assets Transfers And Servicing Of Financial Assets Policy [Text Block] Goodwill and Other Intangible Assets Goodwill And Intangible Assets Policy [Text Block] Off balance sheet financial instruments. Off Balance Sheet Instruments Off Balance Sheet Financial Instruments Policy [Text Block] Foreclosed Real Estate Real Estate Policy [Text Block] Bank Premises and Equipment Property Plant And Equipment Policy [Text Block] Bank owned life insurance. Bank Owned Life Insurance Bank Owned Life Insurance Policy [Text Block] Revenue Recognition Revenue From Contract With Customer Policy [Text Block] Income Tax Income Tax Policy [Text Block] Earnings Per Share Earnings Per Share Policy [Text Block] Stock-Based Compensation Share Based Compensation Option And Incentive Plans Policy Transfers of financial assets policy. Transfers of Financial Assets Transfers Of Financial Assets Policy [Text Block] Treasury stock. Treasury Stock Treasury Stock Policy [Text Block] Other Comprehensive Income (Loss) Comprehensive Income Policy Policy [Text Block] Reclassification Prior Period Reclassification Adjustment Description Recent Accounting Pronouncements New Accounting Pronouncements Policy Policy [Text Block] Components of Other Comprehensive Income (Loss) and Related Tax Effects Schedule Of Comprehensive Income Loss Table [Text Block] Schedule Of Business Acquisitions By Acquisition [Table] Schedule Of Business Acquisitions By Acquisition [Table] Ossian financial services incorporated. Ossian Financial Services, Inc. [Member] Ossian Financial Service Incorporated [Member] Finite-Lived Intangible Assets by Major Class Finite Lived Intangible Assets By Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name Finite Lived Intangible Assets Major Class Name [Domain] Customer Lists [Member] Customer Lists [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] 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] Business combinations loans acquired carrying amount. Summary of Carrying Amount of Loans Business Combinations Loans Acquired Carrying Amount Table [Text Block] Certain loans acquired in transfer accounted for as debt securities acquired during 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 accretable yield movement. 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] Schedule of Pro-forma Results Business Acquisition Pro Forma Information [Text Block] Schedule of Future Amortization of Core Deposit Intangible Assets Scheduleof Finite Lived Intangible Assets Future Amortization Expense Table [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] Gross Unrealized Losses, Aggregated by Investment Category and Length of Time Debt Securities Available For Sale Unrealized Loss Position Fair Value Table [Text Block] Gross Realized Gains and Losses Realized Gain Loss On Investments Table [Text Block] Amortized Cost and Fair Value of Debt Securities, by Contractual Maturity Investments Classified By Contractual Maturity Date Table [Text Block] Loans Schedule Of Accounts Notes Loans And Financing Receivable [Text Block] Tabular disclosure of maturity schedule by major category of loans. 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 fixed rate loans and variable rate loans by major loan category. 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 contractual aging of the recorded investment in past due loans by class or loans. 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] Recorded Investment in Nonaccrual Loans by Portfolio Class of Loans Schedule Of Financing Receivables Non Accrual Status Table [Text Block] Tabular disclosure of risk category of loans. Risk Category of Loans by Portfolio Class Risk Category Of Loans Table [Text Block] Tabular disclosure of impaired loans classified as troubled debt restructure. 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] Schedule of Impaired Loans Impaired Financing Receivables Table [Text Block] Impaired Loans Classified as Troubled Debt Restructured Troubled Debt Restructurings On Financing Receivables Table [Text Block] Schedule of loans individually evaluated for impairment by portfolio segment. Loans Individually Evaluated for Impairment by Portfolio Class of Loans Schedule Of Loans Individually Evaluated For Impairment By Portfolio Segment 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. 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 activities disclosure in allowance for credit losses. Analysis of Allowance for Credit Losses Activities In Allowance For Credit Losses Table [Text Block] Major Categories of Banking Premises and Equipment and Accumulated Depreciation Property Plant And Equipment [Text Block] Summary of Mortgage Servicing Rights Capitalized and Amortized Schedule Of Servicing Assets At Amortized Value [Text Block] Time deposits. Time Deposits Time Deposits Table [Text Block] Scheduled Maturities for Time Deposits Time Deposit Maturities Table [Text Block] Schedule of securities sold under agreement to repurchase. Daily Securities under Agreement to Repurchase Schedule Of Securities Sold Under Agreement To Repurchase Table [Text Block] Schedule of Remaining Contractual Maturity in Repurchase Agreements and Collateral Pledged Schedule Of Securities Financing Transactions [Text Block] Schedule of Maturities of Borrowings Exclusive of Fair Value Schedule Of Federal Home Loan Bank Advances By Branch Of F H L B Bank [Text Block] Schedule of Subordinated Notes Schedule Of Subordinated Borrowing [Text Block] Components of Income Tax Expense (Benefit) Schedule Of Components Of Income Tax Expense Benefit Table [Text Block] Reconciliation of the Statutory Federal Income Tax Rate to the Effective Tax Rate Schedule Of Effective Income Tax Rate Reconciliation Table [Text Block] Components of Deferred Tax Assets and Liabilities Summary Of Deferred Tax Liability Not Recognized [Text Block] Summary of Restricted Shares Issued, Vested and Forfeited Schedule Of Sharebased Compensation Restricted Stock And Restricted Stock Units Activity Table [Text Block] Activity of Restricted Stock Awards Schedule Of Share Based Compensation Restricted Stock Units Award Activity Table [Text Block] Calculation of Basic Earnings Per Share Schedule Of Earnings Per Share Basic By Common Class [Text Block] Outstanding Financial Instruments Whose Contract Amounts Represent Credit Risk Schedule Of Fair Value Off Balance Sheet Risks [Text Block] Summary of Bank's Actual and Required Capital Amounts and Ratios Schedule Of Compliance With Regulatory Capital Requirements Under Banking Regulations [Text Block] Estimated Fair Values and Related Carrying or Notional Amounts Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Table [Text Block] Financial Assets Measured at Fair Value on Recurring Basis Fair Value Assets Measured On Recurring Basis [Text Block] Changes in the Level 3 Fair-Value Category of Unobservable Inputs Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Text Block] Collateral Dependent Impaired Loans and Other Real Estate Fair Value Assets Measured On Nonrecurring Basis [Text Block] Quantitative Information about Unobservable Inputs Used in Recurring and Nonrecurring Level 3 Fair Value Measurements Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques Table [Text Block] Schedule of Condensed Balance Sheets Schedule Of Condensed Balance Sheet Table [Text Block] Schedule of Condensed Income and Comprehensive Income Statements Schedule Of Condensed Income Statement Table [Text Block] Schedule of Condensed Cash Flow Statement Schedule Of Condensed Cash Flow Statement Table [Text Block] Summary of Quarterly Financial Data Schedule Of Quarterly Financial Information Table [Text Block] Original maturity period to consider all highly liquid investments purchased as cash equivalents. Period for federal funds sold outstanding. Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Statistical Measurement Range [Axis] Statistical Measurement Range [Member] Maximum [Member] Maximum [Member] Minimum [Member] Minimum [Member] Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Maturity period of cash equivalents Original Maturity Period To Consider All Highly Liquid Investments Purchased As Cash Equivalents Period for federal funds sold outstanding Period For Federal Funds Sold Outstanding Period for classifying loan as non accrual status. Loan non-accrual classification period Period For Classifying Loan As Non Accrual Status Delinquent period of secured consumer loans. Days to charged consumer loans to the value of the collateral Delinquent Period Of Secured Consumer Loans Re evaluation period for real estate. Maximum time for reevaluation. Maximum time for re-evaluation (in months) Maximum Time For Reevaluation Re-evaluation period for real estate Re Evaluation Period For Real Estate Fair value of capital in excess of carrying value of goodwill description. Amount of fair value of capital over carrying value Reporting Unit Amount Of Fair Value In Excess Of Carrying Amount Percentage of fair value of capital over carrying value Reporting Unit Percentage Of Fair Value In Excess Of Carrying Amount 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 Other real estate owned Other Real Estate 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 Other Comprehensive Income Available For Sale Securities Adjustment Net Of Tax Period Increase Decrease [Abstract] Reclassification adjustment for (gain) loss on sale of available-for-sale securities Reclassification of gains losses to net income. Amount of reclassification effect Reclassification Of Gains Losses To Net Income Number of full service offices. Business acquisition, equity interest issued or issuable for per share of acquired entity Cash consideration payable on acquisition, per share. Business acquisition share owned subject to adjustment. Income Statement Location Income Statement Location [Axis] Income Statement Location Income Statement Location [Domain] Employee benefits. Employee Benefits [Member] Employee Benefits [Member] Data processing. Data Processing [Member] Data Processing [Member] Consulting fees. Consulting Fees [Member] Consulting Fees [Member] Other General and Administrative Expenses [Member] General And Administrative Expense [Member] Core Deposits [Member] Core Deposits [Member] Long-Lived Tangible Asset Property Plant And Equipment By Type [Axis] Long-Lived Tangible Asset Property Plant And Equipment Type [Domain] Building [Member] Building [Member] Ossian state bank. Ossian State Bank [Member] Ossian State Banks [Member] ATM expense. ATM Expense [Member] A T M Expense [Member] Bank of Geneva. Bank of Geneva [Member] Bank Of Geneva [Member] Geographical Statement Geographical [Axis] Geographical Segment Geographical [Domain] Custar [Member] Custar Custar [Member] Number of full-service offices Number Of Full Service Offices Common stock issued in exchange of each outstanding share Business Acquisition Equity Interest Issued Or Issuable Per Share Of Acquired Entity Cash payment for exchange of each share Cash Consideration Payable On Acquisition Per Share Business acquisition share owned subject to adjustment Business Acquisition Share Owned Subject To Adjustment Share price Business Acquisition Share Price Total consideration for acquisition Cash paid for acquisition Stock issued for acquisition Business Combination Consideration Transferred Equity Interests Issued And Issuable Business combination, acquisition related costs Business Combination Acquisition Related Costs Recognition of core deposit intangible asset with acquired purchase Finitelived Intangible Assets Acquired1 Remaining economic useful life Finite Lived Intangible Assets Remaining Amortization Period1 Business combination recognized identifiable assets acquired and liabilities assumed deposits. Cash Common Shares Total Assets Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Assets [Abstract] Cash and cash equivalents Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Cash And Equivalents Federal funds sold Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Federal Funds Sold Interest-bearing time deposits Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Interest Bearing Time Deposit Securities - available-for-sale Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Assets Marketable Securities Other securities, at cost Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Other Securities Loans, net Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Loans Net Premises and equipment Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Property Plant And Equipment Customer list intangible Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Intangible Assets Other Than Goodwill Other assets Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Other Noncurrent Assets 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] Deposits Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Deposits [Abstract] Noninterest bearing Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Noninterest Bearing Interest bearing Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Interest Bearing Total deposits Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Deposits Federal Home Loan Bank (FHLB) advances Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Federal Home Loan Bank Advances Accrued expenses and other liabilities Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Accrued Expenses And Other Liabilities Total Liabilities Assumed Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Liabilities Common stock issued in exchange of each outstanding share Loan receivable weighted average useful life. Fair value of assets acquired Business Combination Acquired Receivables Fair Value Gross principal and contractual interest Business Combination Acquired Receivables Gross Contractual Amount Acquisition expected to be uncollectible Business Combination Acquired Receivables Estimated Uncollectible Loan receivable weighted average life Loan Receivable Weighted Average Useful Life Business combination identifiable assets in premises and equipment written down value. Business combination average remaining useful life. Business combination, premises and equipment written down value Business Combination Identifiable Assets In Premises And Equipment Written Down Value Business combination, average remaining life Business Combination Average Remaining Useful Life Fair value for certificate of deposit valuation amount. Fair value for certificate of deposit amortization period. Fair value of Federal Home Loan Bank advances, valuation amount. Fair value of Federal Home Loan Bank advances, amortization period. Fair value for certificate of deposit, valuation amount Fair Value For Certificate Of Deposit Valuation Amount Fair value for certificate of deposit, amortization period Fair Value For Certificate Of Deposit Amortization Period 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 (FHLB) advances, amortization period Fair Value Of Federal Home Loan Bank Advances Amortization Period Financial Instrument Financial Instrument [Axis] Financial Instruments Transfers And Servicing Of Financial Instruments Types Of Financial Instruments [Domain] Consumer real estate loan. Consumer Real Estate [Member] Consumer Real Estate Loan [Member] Agriculture Real Estate [Member] Agricultural Real Estate [Member] Agriculture Real Estate [Member] Commercial Real Estate [Member] Commercial Real Estate [Member] Consumer [Member] Consumer Loan [Member] Commercial and industrial. Commercial and Industrial [Member] Commercials And Industrial [Member] Commercial [Member] Commercial Loan [Member] Carrying amount, net of fair value adjustment Certain Loans Acquired In Transfer Accounted For As Debt Securities Carrying Amount Net Certain loans acquired in transfer accounted for as debt securities fair value adjustment. Fair value adjustment Certain Loans Acquired In Transfer Accounted For As Debt Securities Fair Value Adjustment Total required payments receivable Certain Loans Acquired In Transfer Accounted For As Debt Securities Acquired During Period Contractually Required Payments Receivable At Acquisition 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 Basis in acquired loans at acquisition Certain Loans Acquired In Transfer Accounted For As Debt Securities Acquired During Period At Acquisition At Fair Value Discount recognized at acquisition related to commercial purchased credit-impaired loans. Number of commercial purchased credit impaired loans paid off. Number of consumer purchased credit impaired loans paid off. Fair value adjustment of loans acquired and accounted Number of commercial purchased credit impaired loans paid off Number Of Commercial Purchased Credit Impaired Loans Paid Off Number of consumer purchased credit impaired loans paid off Number Of Consumer Purchased Credit Impaired Loans Paid Off Discount recognized at acquisition related to commercial purchased credit-impaired loans Discount Recognized At Acquisition Related To Commercial Purchased Credit Impaired Loans Beginning Balance Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Additions Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Additions Accretion Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Accretion Reclassification from nonaccretable difference Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Reclassifications From Nonaccretable Difference Disposals Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Disposals Of Loans Ending Balance Goodwill deductible for tax purpose, period. Goodwill deductible for tax purpose, period Goodwill Deductible For Tax Purpose Period 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 Business combination acquisition related costs percentage. Business combination, acquisition related costs percentage Business Combination Acquisition Related Costs Percentage Fair value of assets acquired Acquisition expected to be uncollectible Business acquisitions pro forma net interest income before provision for loan losses. Business acquisitions pro forma provision for loan losses. business acquisitions pro forma net interest income after provision for loan losses. Business acquisitions pro forma noninterest income. Business acquisitions pro forma noninterest expense. Business acquisitions pro forma income loss before income taxes. Business acquisitions pro forma income taxes expense benefit. Business acquisition pro forma earnings per share basic and diluted. Summary of Operations Business Acquisition Pro Forma Information [Abstract] Net Interest Income - Before Provision for Loan Losses Business Acquisitions Pro Forma Net Interest Income Before Provision For Loan Losses Provision for Loan Losses Business Acquisitions Pro Forma Provision For Loan Losses Net Interest Income After Provision for Loan Losses Business Acquisitions Pro Forma Net Interest Income After Provision For Loan Losses Noninterest Income Business Acquisitions Pro Forma Noninterest Income Noninterest Expense Business Acquisitions Pro Forma Noninterest Expense Income Before Income Taxes Business Acquisitions Pro Forma Income Loss Before Income Taxes Income Taxes Business Acquisitions Pro Forma Income Taxes Expense Benefit Net Income Business Acquisitions Pro Forma Net Income Loss Basic and Diluted Earnings Per Share Business Acquisition Pro Forma Earnings Per Share Basic And Diluted Amortization expense Geneva. Geneva [Member] Geneva [Member] 2022 Finite Lived Intangible Assets Amortization Expense Next Twelve Months 2023 Finite Lived Intangible Assets Amortization Expense Year Two 2024 Finite Lived Intangible Assets Amortization Expense Year Three 2025 Finite Lived Intangible Assets Amortization Expense Year Four 2026 Finite Lived Intangible Assets Amortization Expense Year Five Thereafter Finite Lived Intangible Assets Amortization Expense After Year Five Total Finite Lived Intangible Assets Net Number of clients assets under management. Assets under management amount Assets Under Management Carrying Amount Number of clients assets under management Number Of Clients Assets Under Management Schedule Of Available For Sale Securities [Table] Schedule Of Available For Sale Securities [Table] U.S. Treasury [Member] U S Treasury Securities [Member] U.S. Government Agencies [Member] U S Government Agencies Debt Securities [Member] Mortgage-backed Securities [Member] Mortgage Backed Securities Issued By U S Government Sponsored Enterprises [Member] State and Local Governments [Member] U S States And Political Subdivisions [Member] Schedule of Available-for-sale Securities [Line Items] Schedule Of Available For Sale Securities [Line Items] Amortized Cost Available For Sale Debt Securities Amortized Cost Basis Gross Unrealized Gains Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax Gross Unrealized Losses Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax Fair Value Maturity period for under water securities. For under water securities loss position expiration period. Underwater security Maturity Period For Under Water Securities Loss position existed For Under Water Securities Loss Position Expiration Period Gross Unrealized Losses, Less Than Twelve Months Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss Fair Value, Less Than Twelve Months Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Gross Unrealized Losses, Twelve Months and Over Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss Fair Value, Twelve Months and Over Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Realized gains and losses on sales Gains Losses On Sales Of Assets Available for sale securities gross realized gain loss tax expenses. Available For Sale Securities Gross Realized Gain Loss [Abstract] Gross realized gains Debt Securities Available For Sale Realized Gain Gross realized losses Debt Securities Available For Sale Realized Loss Net realized gains (losses) Tax expense (benefit) related to net realized gains (losses) Available For Sale Securities Gross Realized Gain Loss Tax Expenses Available for sale securities debt maturities fair value excluding mortgage backed securities. Available For Sale Securities Debt Maturities [Abstract] Amortized Cost, One year or less Available For Sale Securities Debt Maturities Within One Year Amortized Cost Amortized Cost, After one year through five years Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost Amortized Cost, After five years through ten years Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost Amortized Cost, After ten years Available For Sale Securities Debt Maturities After Ten Years Amortized Cost Amortized Cost, Total Available For Sale Debt Securities Amortized Cost Basis Excluding Mortgage Backed Securities Amortized Cost, Mortgage-backed securities Mortgage Backed Securities Available For Sale Amortized Cost Fair Value, One year or less Available For Sale Securities Debt Maturities Within One Year Fair Value Fair Value, After one year through five years Available For Sale Securities Debt Maturities After One Through Five Years Fair Value Fair Value, After five years through ten years Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value Fair Value, After ten years Available For Sale Securities Debt Maturities After Ten Years Fair Value Fair Value, Total Available For Sale Securities Debt Maturities Fair Value Excluding Mortgage Backed Securities Fair Value, Mortgage-backed securities Mortgage Backed Securities Available For Sale Fair Value Disclosure Total, Fair Value Investments pledged, carrying value Pledged Financial Instruments Not Separately Reported Securities Pledged Schedule Of Accounts Notes Loans And Financing Receivable [Table] Schedule Of Accounts Notes Loans And Financing Receivable [Table] Financing Receivable Portfolio Segment Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment Financing Receivable Portfolio Segment [Domain] Commercial and Industrial [Member] Commercial Portfolio Segment [Member] Class of Financing Receivable Financing Receivable Recorded Investment By Class Of Financing Receivable [Axis] Class of Financing Receivable Financing Receivable Recorded Investment Class Of Financing Receivable [Domain] Paycheck protection program loans. PPP Loans [Member] Paycheck Protection Program Loans [Member] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts Notes And Loans Receivable [Line Items] Consumer Real Estate [Member] Residential Portfolio Segment [Member] Agricultural Loan [Member] Agricultural [Member] Agricultural Loan [Member] Commercial Real Estate [Member] Commercial Real Estate Portfolio Segment [Member] Consumer [Member] Consumer Portfolio Segment [Member] Other loan. Other Loan [Member] Other Loan [Member] Loans: Accounts Notes Loans And Financing Receivable Gross Allowance And Net [Abstract] Loans - Gross Loans And Leases Receivable Gross Carrying Amount Less: Net deferred loan fees and costs Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums Loans after net deferred loan fees and costs Loans And Leases Receivable Net Of Deferred Income Less: Allowance for loan losses Loans And Leases Receivable Allowance Loans - Net Loans Allowance for loan losses Loans and leases receivable excluding fair value adjustments amount. Financial Asset, Aging Financing Receivables Period Past Due [Axis] Financial Asset, Aging Financing Receivables Period Past Due [Domain] 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] 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] Major Category Of Receivables Over Five Years [Member] Major Category Of Receivables Over Five Years [Member] Major Category Of Receivables Over Five Years [Member] Loans excluding fair value adjustments Loans And Leases Receivable Excluding Fair Value Adjustments Amount Distribution of fixed rate loans by major loan category, Fixed Rate Loans Receivable With Fixed Rates Of Interest1 Distribution of variable rate loans by major loan category, Variable Rate Loans Receivable With Variable Rates Of Interest1 Commercial And Industrial And Industrial Development Bonds [Member] Commercial and Industrial [Member] Commercial And Industrial And Industrial Development Bonds [Member] 30 to 59 Days Past Due [Member] Financing Receivables30 To59 Days Past Due [Member] 60 to 89 Days Past Due [Member] Financing Receivables60 To89 Days Past Due [Member] Greater Than 90 Days [Member] Financing Receivables Equal To Greater Than90 Days Past Due [Member] Past Due Financial Asset Past Due [Member] Current Financial Asset Not Past Due [Member] Total Past Due Notes Receivable Gross Recorded Investment > 90 Days and Accruing Financing Receivable Recorded Investment90 Days Past Due And Still Accruing Investment in nonaccrual loans Financing Receivable Recorded Investment Nonaccrual Status Repayment period of loan with reasonable reduction of principal balance. Repayment period of loan with a reasonable reduction of principal balance Repayment Period Of Loan With Reasonable Reduction Of Principal Balance Internal Credit Assessment Internal Credit Assessment [Axis] Internal Credit Assessment Internal Credit Assessment [Domain] Excellent And Good [Member] 1-2 [Member] Excellent And Good [Member] Satisfactory [Member] 3 [Member] Satisfactory [Member] Satisfactory Monitored [Member] 4 [Member] Satisfactory Monitored [Member] 5 [Member] Special Mention [Member] 6 [Member] Substandard [Member] 7 [Member] Doubtful [Member] Loss. 8 [Member] Loss [Member] Loans after net deferred loan fees and costs Pass [Member] Pass [Member] Financial Instrument Performance Status Financial Instrument Performance Status [Axis] Financial Instrument Performance Status Financial Instrument Performance Status [Domain] Performing [Member] Performing Financing Receivable [Member] Nonperforming [Member] Nonperforming Financing Receivable [Member] Consumer - Credit [Member] Credit Card Receivables [Member] Consumer Other Financing Receivables [Member] Consumer - Other [Member] Consumer Other Financing Receivables [Member] Performing Notes Receivable Net Impaired loans without a valuation allowance Impaired Financing Receivable With No Related Allowance Recorded Investment Impaired loans with a valuation allowance Impaired Financing Receivable With Related Allowance Recorded Investment Total impaired loans Impaired Financing Receivable Recorded Investment Valuation allowance related to impaired loans Impaired Financing Receivable Related Allowance Total nonaccrual loans Total loans past-due ninety days or more and still accruing Average investment in impaired loans Impaired Financing Receivable Average Recorded Investment Interest income recognized on impaired loans Impaired Financing Receivable Interest Income Accrual Method Interest income recognized on a cash basis on impaired loans Impaired Financing Receivable Interest Income Cash Basis Method Additional funds available to be advanced in connection with impaired loans. Loan Restructuring Modification Loan Restructuring Modification [Axis] Loan Restructuring Modification Loan Restructuring Modification [Domain] Specific allocation on principal balance. Specific Allocation on Principal Balance [Member] Specific Allocation On Principal Balance [Member] Principal Forgiveness [Member] Principal Forgiveness [Member] Sale of property. Sale Of Property Sale Of Property [Member] Payment changes from monthly payment to principal and interest at maturity. Payment Changes from Monthly Payment to Principal and Interest at Maturity [Member] Payment Changes From Monthly Payment To Principal And Interest At Maturity [Member] Additional funds available to be advanced in connection with impaired loans Additional Funds Available To Be Advanced In Connection With Impaired Loans Impaired loans classified as troubled debt restructured Financing Receivable Modifications Recorded Investment Financing receivables impaired number of troubled debt restructuring write down. Number of contracts modified Financing Receivable Modifications Number Of Contracts2 TDR impaired loans paid off Financing Receivables Impaired Number Of Troubled Debt Restructuring Write Down Term of loan Debt Instrument Term Loan amortization period Debt Instrument Convertible Remaining Discount Amortization Period1 Allowance for loan losses Schedule Of Financing Receivable Troubled Debt Restructurings [Table] Schedule Of Financing Receivable Troubled Debt Restructurings [Table] Financing Receivable Modifications [Line Items] Financing Receivable Modifications [Line Items] Number of Contracts Modified in the Last 12 Months Pre-Modification Outstanding Recorded Investment Financing Receivable Modifications Pre Modification Recorded Investment2 Post-Modification Outstanding Recorded Investment Financing Receivable Modifications Post Modification Recorded Investment2 TDR loans, subsequently defaulted during the period Financing Receivable Modifications Subsequent Default Number Of Contracts1 Unsecured consumer loans credit card credits and overdraft. Delinquent period for charging down consumer loans Delinquent period for charging down commercial and agricultural credits. Unsecured consumer loans, credit card credits and overdraft lines of credit reach Unsecured Consumer Loans Credit Card Credits And Overdraft Delinquent period for charging down consumer loans Delinquent Period For Charging Down Consumer Loans Delinquent period for charging down commercial and agricultural credits Delinquent Period For Charging Down Commercial And Agricultural Credits Schedule Of Impaired Financing Receivable [Table] Schedule Of Impaired Financing Receivable [Table] Financing Receivable, Impaired [Line Items] Financing Receivable Impaired [Line Items] With no related allowance recorded, Recorded Investment With no related allowance recorded, Unpaid Principal Balance Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance With no related allowance recorded, Average Recorded Investment Impaired Financing Receivable With No Related Allowance Average Recorded Investment With no related allowance recorded, Interest Income Recognized Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method With no related allowance recorded, Interest Income Recognized Cash Basis Impaired Financing Receivable With No Related Allowance Interest Income Cash Basis Method With a specific allowance recorded, Recorded Investment With a specific allowance recorded, Unpaid Principal Balance Impaired Financing Receivable With Related Allowance Unpaid Principal Balance Related Allowance With a specific allowance recorded, Average Recorded Investment Impaired Financing Receivable With Related Allowance Average Recorded Investment With a specific allowance recorded, Interest Income Recognized Impaired Financing Receivable With Related Allowance Interest Income Accrual Method With a specific allowance recorded, Interest Income Recognized Cash Basis Impaired Financing Receivable With Related Allowance Interest Income Cash Basis Method Recorded Investment Unpaid Principal Balance Impaired Financing Receivable Unpaid Principal Balance Average Recorded Investment Interest Income Recognized Interest Income Recognized Cash Basis Foreclosed residential real estate property Residential real estate properties foreclosure proceedings Mortgage Loans In Process Of Foreclosure Amount 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. Allowance for Loan Losses Allowance For Loan And Lease Losses Roll Forward Balance at beginning of year Provision for loan loss Loans charged off Allowance For Loan And Lease Losses Write Offs Recoveries Allowance For Loan And Lease Loss Recovery Of Bad Debts Balance at ending of year Allowance for Unfunded Loan Commitments & Letters of Credit Allowance For Unfunded Loan Commitments And Letters Of Credit Total Allowance for Credit Losses Financing Receivable Allowance For Credit Losses Other non interest Income expense (recovery) related to unfunded. Allowance For Credit Losses [Abstract] Financing receivable allowance for credit losses acquired with deteriorated credit quality ending period. Financing Receivables [Abstract] Schedule Of Financing Receivable Allowance For Credit Losses [Table] Schedule Of Financing Receivable Allowance For Credit Losses [Table] Unfunded Loan Commitment And Letters Of Credit [Member] Unfunded Loan Commitment & Letters of Credit [Member] Unfunded Loan Commitment And Letters Of Credit [Member] Unallocated [Member] Unallocated Financing Receivables [Member] Financing Receivable Allowance For Credit Losses [Line Items] Financing Receivable Allowance For Credit Losses [Line Items] ALLOWANCE FOR CREDIT LOSSES: Allowance For Credit Losses [Abstract] Beginning balance Charge Offs Provision (Credit) Other Non-interest expense related to unfunded Other Non Interest Income Expense Recovery Related To Unfunded Ending Balance Ending balance: individually evaluated for impairment Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 Ending balance: collectively evaluated for impairment Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment Ending balance: loans acquired with deteriorated credit quality Financing Receivable Allowance For Credit Losses Acquired With Deteriorated Credit Quality Ending Period FINANCING RECEIVABLES: Financing Receivables [Abstract] Ending balance Ending balance: individually evaluated for impairment Financing Receivable Individually Evaluated For Impairment Ending balance: collectively evaluated for impairment Financing Receivable Collectively Evaluated For Impairment Ending balance: loans acquired with deteriorated credit quality Property Plant and Equipment Useful Life and Values [Abstract] Property Plant And Equipment Useful Life And Values [Abstract] Schedule Of Property Plant And Equipment [Table] Schedule Of Property Plant And Equipment [Table] Land [Member] Land [Member] Buildings [Member] Furnishings [Member] Furniture And Fixtures [Member] Property, Plant and Equipment [Line Items] Property Plant And Equipment [Line Items] Premises and Equipment (Gross) Property Plant And Equipment Gross Less: Accumulated depreciation Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Premises and Equipment (Net) Property, plant and equipment, useful life Property Plant And Equipment Useful Life Depreciation Expenses Depreciation Loans serviced for others unpaid principal amount. Capitalized service right assets included in other assets. Capitalized service right assets fair market value. Loans serviced for others unpaid principal amount Loans Serviced For Others Unpaid Principal Amount Capitalized service right assets included in other assets Capitalized Service Right Assets Included In Other Assets Fair market value of the capitalized servicing rights Capitalized Service Right Assets Fair Market Value Prepayment rate Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Prepayment Speed Discount yield Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Discount Rate Valuation allowance Servicing Asset At Amortized Value Valuation Allowance Servicing Asset At Amortized Value Additional Disclosures [Abstract] Servicing Asset At Amortized Value Additional Disclosures [Abstract] Servicing Assets At Fair Value [Table] Servicing Assets At Fair Value [Table] Participating Mortgage Loans Participating Mortgage Loans [Axis] Participating Mortgage Loan, Name Participating Mortgage Loan Name [Domain] Mortgage Servicing Rights [Member] Mortgage Servicing Rights [Member] Mortgage Servicing Rights [Member] Servicing Assets at Fair Value [Line Items] Servicing Assets At Fair Value [Line Items] Beginning of Year Capitalized Additions Servicing Asset At Amortized Value Additions Amortization Servicing Asset At Amortized Value Amortization1 Valuation Allowance End of Year Time deposits under $250,000 Time Deposits Less Than250000 Time deposits of $250,000 or more Time Deposits At Or Above F D I C Insurance Limit Total Maturities Of Time Deposits [Abstract] 2022 Time Deposit Maturities Year One 2023 Time Deposit Maturities Year Two 2024 Time Deposit Maturities Year Three 2025 Time Deposit Maturities Year Four 2026 Time Deposit Maturities Year Five Thereafter Time Deposit Maturities After Year Five Fees And Commissions Income [Abstract] Fees And Commissions Income [Abstract] Securities to be used as collateral for the underlying repurchase agreements Pledged Financial Instruments Not Separately Reported Securities For Repurchase Agreements Securities sold under agreements to repurchase weighted average interest rate. Securities sold under agreements to repurchase maximum monthly outstanding amount. Securities sold under agreements to repurchase average outstanding amount in period. Securities sold under agreements to repurchase weighted average interest rate during period. Amortized Cost and Fair Value Debt Securities [Abstract] Amortized Cost And Fair Value Debt Securities [Abstract] Schedule Of Trading Securities And Other Trading Assets [Table] Schedule Of Trading Securities And Other Trading Assets [Table] Cash and Cash Equivalents Cash And Cash Equivalents [Axis] Cash and Cash Equivalents Restricted Cash And Cash Equivalents Cash And Cash Equivalents [Member] Daily Securities [Member] Daily Securities Sold Under Agreement to Repurchase [Member] Daily Securities [Member] Term CDs Sold Under Agreement to Repurchase [Member] Certificates Of Deposit [Member] Schedule of Trading Securities and Other Trading Assets [Line Items] Schedule Of Trading Securities And Other Trading Assets [Line Items] Amount Outstanding at End of Period Securities Sold Under Agreements To Repurchase Weighted Average Rate End of Period Securities Sold Under Agreements To Repurchase Weighted Average Interest Rate Maximum Amount Borrowings Outstanding Month End Securities Sold Under Agreements To Repurchase Maximum Monthly Outstanding Amount Approximate Average Outstanding in Period Securities Sold Under Agreements To Repurchase Average Outstanding Amount In Period Approximate Weighted Average Interest Rate For the Period Securities Sold Under Agreements To Repurchase Weighted Average Interest Rate During Period Federal funds purchased Federal Funds Purchased Securities sold under agreements to repurchase Schedule Of Assets Sold Under Agreements To Repurchase [Table] Schedule Of Assets Sold Under Agreements To Repurchase [Table] Overnight & Continuous [Member] Assets Sold Under Agreements To Repurchase Maturity Periods [Axis] Repurchase Agreements and Similar Transactions, Maturity Periods Assets Sold Under Agreements To Repurchase Maturity Period [Domain] Overnight & Continuous [Member] Maturity Overnight [Member] Up to 30 Days [Member] Maturity Up To30 Days [Member] 30-90 Days [Member] Maturity30 To90 Days [Member] Greater Than 90 Days [Member] Maturity Over90 Days [Member] US Treasury & Agency Securities [Member] U S Treasury And Government [Member] Assets Sold under Agreements to Repurchase [Line Items] Assets Sold Under Agreements To Repurchase [Line Items] Repurchase agreements, Remaining contractual maturity of the agreements Total Number of loans secured. Percentage of interest on loan accrues rate. Debt Instrument [Table] Debt Instrument [Table] Short-term Debt, Type Short Term Debt Type [Axis] Short-term Debt, Type Short Term Debt Type [Domain] Term note. Term Note [Member] Term Note [Member] Line of Credit [Member] Line Of Credit [Member] Mortgage Loans At Cost [Member] Mortgage Loans at Cost [Member] Mortgage Loans At Cost [Member] Perpetual federal savings bank. Perpetual Federal Savings Bank {Member] Perpetual Federal Savings Bank [Member] Cash management advance. Cash Management Advance Cash Management Advance [Member] Sale of Stock Subsidiary Sale Of Stock [Axis] Sale of Stock Sale Of Stock Name Of Transaction [Domain] Private Placement Private Placement [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Number of loans secured Number Of Loans Secured Term note Debt Instrument Face Amount Short term debt, term Short Term Debt Terms Line of credit Line Of Credit Percentage of interest on loan accrues rate Percentage Of Interest On Loan Accrues Rate Advances from Federal Home Loan Banks fair value related to acquisition. Advances from Federal Home Loan Banks excluding fair value related to acquisition. Business combination recognized bank amount. Total borrowings excluding for fair value related to acquisition Advances From Federal Home Loan Banks Excluding Fair Value Related To Acquisition Total borrowings, fair value related to acquisition Advances From Federal Home Loan Banks Fair Value Related To Acquisition Bank undertook amount Business Combination Recognized Bank Amount Advances, secured by mortgage loans Pledged Financial Instruments Not Separately Reported Loans Receivable Pledged For Federal Home Loan Bank Debt Unpledged securities. Federal Home Loan Bank advances general debt obligations disclosures amount of available unused funds based on current pledging. Unsecured borrowings through correspondent banks Federal Home Loan Bank Advances General Debt Obligations Disclosures Amount Of Available Unused Funds Unpledged securities which could be sold or used as collateral Unpledged Securities 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 2022 Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date 2023 Federal Home Loan Bank Advances Maturities Summary Due From One To Two Years Of Balance Sheet Date 2024 Federal Home Loan Bank Advances Maturities Summary Due From Two To Three Years Of Balance Sheet Date 2025 Federal Home Loan Bank Advances Maturities Summary Due From Three To Four Years Of Balance Sheet Date 2026 Federal Home Loan Bank Advances Maturities Summary Due From Four To Five Years Of Balance Sheet Date Thereafter Federal Home Loan Bank Advances Maturities Summary Due After Five Years Of Balance Sheet Date Total Percentage of notes prices on principal amount. Subordinated notes Notes Payable Fixed-to-floating interest rate Debt Instrument Interest Rate Effective Percentage Subordinated notes, due date Long Term Debt Maturity Date Percentage of notes prices on principal amount Percentage Of Notes Prices On Principal Amount Debt instrument basis points Debt Instrument Basis Spread On Variable Rate1 Debt instrument, frequency of periodic payment Debt Instrument Frequency Of Periodic Payment Redemption price of principal amount of notes redeemed Debt Instrument Redemption Price Percentage Of Principal Amount Redeemed Long-term Debt, Type Longterm Debt Type [Axis] Long-term Debt, Type Longterm Debt Type [Domain] Subordinated Notes Subordinated Debt [Member] Principal Debt Instrument Carrying Amount Unamortized Note Issuance Costs Deferred Finance Costs Gross Current: Current Income Tax Expense Benefit Continuing Operations [Abstract] Federal Current Federal Tax Expense Benefit State Current State And Local Tax Expense Benefit Total current Current Income Tax Expense Benefit Deferred: Deferred Income Tax Expense Benefit Continuing Operations [Abstract] Federal Deferred Federal Income Tax Expense Benefit State Deferred State And Local Income Tax Expense Benefit Total deferred Total Income Tax Income Tax Expense Benefit Continuing Operations Increase Decrease By Items Reconciliation [Abstract] Income Tax Expense Benefit Continuing Operations Income Tax Reconciliation [Abstract] Federal income tax at statutory rates Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate (Decrease) increase resulting from: Income Tax Expense Benefit Continuing Operations Increase Decrease By Items Reconciliation [Abstract] State income tax, net of federal benefit Income Tax Reconciliation State And Local Income Taxes Tax exempt interest Income Tax Reconciliation Tax Exempt Income Section 831 deduction Income Tax Reconciliation Deductions Other Income Tax Reconciliation Other Reconciling Items Deferred Tax Assets: Components Of Deferred Tax Assets [Abstract] Allowance for loan losses Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses Deferred compensation Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Net unrealized loss on available-for-sale securities Deferred Tax Assets Net Unrealized Loss On Available For Sale Securities Fair value adjustments Deferred Tax Assets Fair Value Adjustments Other Deferred Tax Assets Other Total deferred tax assets Deferred Tax Assets Gross Deferred Tax Liabilities: Components Of Deferred Tax Liabilities [Abstract] Accreted discounts on bonds Deferred Tax Liabilities Accreted Discounts On Bonds Depreciation Deferred Tax Liabilities Property Plant And Equipment FHLB stock dividends Deferred Tax Liabilities Fhlb Stock Dividends Intangible amortization Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets Mortgage servicing rights Deferred Tax Liabilities Mortgage Servicing Rights Net unrealized gain on available-for-sale securities Deferred Tax Liabilities Net Unrealized Gain On Available For Sale Securities Prepaids Deferred Tax Liabilities Prepaid Expenses Other Deferred Tax Liabilities Other Total deferred tax liabilities Deferred Income Tax Liabilities Net Deferred Tax Asset Deferred Tax Assets Liabilities Net Net Deferred Tax Liability Deferred Tax Liabilities Deferred taxes business combination allocated to additional paid in capital. Income Taxes [Line Items] Income Tax [Table] Income Tax [Table] Income Tax [Table] Income Taxes [Line Items] Income Taxes [Line Items] Operating loss carryforwards Operating Loss Carryforwards Deferred taxes business combination allocated to additional paid in capital Deferred Taxes Business Combination Allocated To Additional Paid In Capital Unrecognized deferred taxes Unrecognized Tax Benefits Minimum percentage of eligible compensation on pre tax or post tax basis for eligible employees to save. Defined contribution plan employer matching contribution description. Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Award Type Award Type [Axis] Award Type Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Restricted Stock Awards [Member] Restricted Stock [Member] Award Date Award Date [Axis] Award Date Award Date [Domain] Year two thousand eighteen. 2018 [Member] Year Two Thousand Eighteen [Member] Year two thousand nineteen. 2019 [Member] Year Two Thousand Nineteen [Member] Year two thousand sixteen. 2016 [Member] Year Two Thousand Sixteen [Member] Year two thousand seventeen. 2017 [Member] Year Two Thousand Seventeen [Member] Immediate vesting. Immediate Vesting [Member] Immediate Vesting [Member] Award Grants Originated In Period One [Member] Awards grants originated in 2016, 2017 and 2018 [Member] Award Grants Originated In Period One [Member] Award grants originated in period three. Awards grants originated in 2019, 2018 and 2017 [Member] Award Grants Originated In Period Three [Member] Award grants originated in period two. Awards grants originated in 2017, 2018 and 2019 and 2020 [Member] Award Grants Originated In Period Two [Member] Award grants originated in period four. Awards grants originated in 2018, 2019 and 2020 [Member] Award Grants Originated In Period Four [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] 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 Employee contribution matching percentage Defined Contribution Plan Employer Matching Contribution Percent Percentage of total eligible compensation, contribution by Bank, maximum limit Defined Contribution Plan Maximum Annual Contributions Per Employee Percent Vesting percentage in participant's deferral contributions and employer matching contributions Defined Contribution Plan Employers Matching Contribution Annual Vesting Percentage Vesting period Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 Defined contribution plan employer matching contribution description Defined Contribution Plan Employer Matching Contribution Description Employer matching contribution and the discretionary contribution Defined Contribution Plan Employer Discretionary Contribution Amount Share based compensation arrangement by share based payment award number of employee share issued. Share based compensation arrangement by share based payment award equity instruments other than options share vested percentage. Number of awards granted to one employee on retirement. Share based compensation arrangement by share based payment award number of employees. Number of awards granted to four employees on retirement. Restricted stock awards, shares issued Stock issued to number of employees Share Based Compensation Arrangement By Share Based Payment Award Number Of Employee Share Issued Shares vest under the plan Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Share Vested Percentage Shares forfeited due to employee termination Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period Number of shares vested Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Number of employees, received the stock Share Based Compensation Arrangement By Share Based Payment Award Number Of Employees Number of shares vested Number Of Awards Granted To One Employee On Retirement Compensation expense Allocated Share Based Compensation Expense Four employees received shares from awards granted due to retirement Number Of Awards Granted To Four Employees On Retirement Share based compensation arrangement by share based payment award equity instruments other than options vested excludes shares awarded due to retirement. Number of awards granted to one employee for other. Restricted shares vested Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested Excludes Shares Awarded Due To Retirement Restricted shares awarded due to retirement Restricted shares awarded for other Number Of Awards Granted To One Employee For Other Restricted shares forfeited 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 other. Share based compensation arrangement by share based payment award number of employee shares forfeited. Restricted shares issued Restricted shares vested Restricted shares awarded due to retirement Share Based Compensation Arrangement By Share Based Payment Award Number Of Employee Share Awarded Due To Retirement Restricted shares awarded for other Share Based Compensation Arrangement By Share Based Payment Award Number Of Employee Share Awarded Due To Other 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, 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 Roll Forward Number of Shares, Beginning of period Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number Number of Shares, Granted Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Number of Shares, Vested Number of Shares, Forfeited Number of Shares, Nonvested, end of period Weighted average fair value per award, Beginning 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, Granted Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period 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 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 Weighted average fair value per award, Nonvested, end of period Unrecognized compensation cost related to the nonvested portion of restricted stock awards under the plan Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Share Based Awards Other Than Options Unrecognized compensation cost related to the nonvested portion of restricted stock awards under the plan, period for recognition Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 Compensation annual basis committee award. Number of directors received shares. Number of director received shares. Number of directors received prorated dollar value of shares. Schedule Of Earnings Per Share Basic By Common Class [Table] Schedule Of Earnings Per Share Basic By Common Class [Table] Earnings Per Share Basic [Line Items] Earnings Per Share Basic [Line Items] Compensation annual basis committee award Compensation Annual Basis Committee Award Number of directors received shares Number Of Directors Received Shares Number of directors received shares Number Of Director Received Shares Number of directors received prorated dollar value of shares Number Of Directors Received Prorated Dollar Value Of Shares Less: distributed earnings allocated to participating securities Participating Securities Distributed And Undistributed Earnings Loss Basic Less: undistributed earnings allocated to participating securities Undistributed Earnings Loss Allocated To Participating Securities Basic Net earnings available to common shareholders Net Income Loss Available To Common Stockholders Basic Weighted average common shares outstanding including participating securities Weighted Average Number Of Shares Issued Basic Less: average unvested restricted shares Weighted Average Number Of Shares Restricted Stock Weighted average common shares outstanding Weighted Average Number Of Shares Outstanding Basic Basic and diluted earnings per share Difference between related party deposit and loan lending amount. Related party ownership amount in concern entity. Number of new loans approved. Schedule Of Related Party Transactions By Related Party [Table] Schedule Of Related Party Transactions By Related Party [Table] Related Party Related Party Transactions By Related Party [Axis] Related Party Related Party [Domain] Directors And Executive Officers [Member] Directors and Executive Officers [Member] Directors And Executive Officers [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Granted loans to affiliate companies Related Party Transaction Amounts Of Transaction Subsequent advances Payments To Fund Longterm Loans To Related Parties Payment received Proceeds From Collection Of Longterm Loans To Related Parties Difference in related borrowings amounts Difference Between Related Party Deposit And Loan Lending Amount Ownership interest amount Related Party Ownership Amount In Concern Entity Number of new loans approved Number Of New Loans Approved 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 Schedule Of Fair Value Off Balance Sheet Risks [Table] Schedule Of Fair Value Off Balance Sheet Risks [Table] Commitments to extend credit [Member] Commitments To Extend Credit [Member] Credit Card Arrangements [Member] Credit card arrangements [Member] Credit Card Arrangements [Member] Credit Facility Credit Facility [Axis] Credit Facility Credit Facility [Domain] Standby letters of credit [Member] Standby Letters Of Credit [Member] Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] Fair Value Off Balance Sheet Risks Disclosure Information [Line Items] Concentration of Risk Fair Value Disclosure Offbalance Sheet Risks Amount Asset Risk weighted assets capital conservation buffer. Capital required for capital adequacy to risk weighted assets including capital conservation buffer. Schedule Of Compliance With Regulatory Capital Requirements Under Banking Regulations [Table] Schedule Of Compliance With Regulatory Capital Requirements Under Banking Regulations [Table] Class of Stock Statement Class Of Stock [Axis] Class of Stock Class Of Stock [Domain] Common equity tier one capital. Common Equity Tier 1 Capital [Member] Common Equity Tier One Capital [Member] Tier One Capital [Member] Tier 1 Capital [Member] Tier One Capital [Member] Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items] Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items] Minimum ratio of capital to risk-weighted assets Capital Required For Capital Adequacy To Risk Weighted Assets Capital conservation buffer Risk Weighted Assets Capital Conservation Buffer 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 Minimum leverage ratio calculated as ratio of Tier 1 capital to average quarterly assets Tier One Leverage Capital To Average Assets Common Equity Tier 1 (CET1) as defined in the regulations. Common Equity Tier 1 Capital to Risk Weighted Assets Actual, Amount Cet1 Total Risk-Based Capital to Risk Weighted Assets Actual, Amount Capital Tier 1 Capital to Risk Weighted Assets Actual, Amount Tier One Risk Based Capital Tier 1 leverage Capital to Adjusted Total Assets Actual, Amount Tier One Leverage Capital Common equity Tier 1 (CET1) divided by risk weighted assets. Common Equity Tier 1 Capital to Risk Weighted Assets Actual, Ratio Common Equity Tier1 To Risk Weighted Assets Total Risk-Based Capital to Risk Weighted Assets Actual, Ratio Capital To Risk Weighted Assets Tier 1 Capital to Risk Weighted Assets Actual, Ratio Tier One Risk Based Capital To Risk Weighted Assets Tier 1 leverage Capital to Adjusted Total Assets Actual, Ratio Common Equity Tier 1 Capital For Capital Adequacy Purposes, Amount Common Equity Tier One Capital Required For Capital Adequacy Total Risk-Based Capital to Risk Weighted Assets For Capital Adequacy Purposes, Amount Capital Required For Capital Adequacy Tier 1 Capital to Risk Weighted Assets For Capital Adequacy Purposes, Amount Tier One Risk Based Capital Required For Capital Adequacy Tier 1 leverage Capital to Adjusted Total Assets For Capital Adequacy Purposes, Amount Tier One Leverage Capital Required For Capital Adequacy Common equity tier 1 capital required for capital adequacy to risk weighted assets. 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 Total Risk-Based Capital to Risk Weighted Assets For Capital Adequacy Purposes, Ratio Tier 1 Capital to Risk Weighted Assets For Capital Adequacy Purposes, Ratio Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets Tier 1 leverage Capital to Adjusted Total Assets For Capital Adequacy Purposes, Ratio Tier One Leverage Capital Required For Capital Adequacy To Average Assets Common Equity Tier 1 Capital to Risk Weighted Assets To Be Well Capitalized Under the Prompt Corrective Action Provisions, Amount Common Equity Tier One Capital Required To Be Well Capitalized Total Risk-Based Capital to Risk Weighted Assets To Be Well Capitalized Under the Prompt Corrective Action Provisions, Amount Capital Required To Be Well Capitalized Tier 1 Capital to Risk Weighted Assets To Be Well Capitalized Under the Prompt Corrective Action Provisions, Amount Tier One Risk Based Capital Required To Be Well Capitalized Tier 1 leverage Capital to Adjusted Total Assets To Be Well Capitalized Under the Prompt Corrective Action Provisions, Amount Tier One Leverage Capital Required To Be Well Capitalized Common equity tier 1 capital required to be well capitalized to risk weighted assets. 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 Total Risk-Based Capital to Risk Weighted Assets To Be Well Capitalized Under the Prompt Corrective Action Provisions, Ratio Capital Required To Be Well Capitalized To Risk Weighted Assets Tier 1 Capital to Risk Weighted Assets To Be Well Capitalized Under the Prompt Corrective Action Provisions, Ratio Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets Tier 1 leverage Capital to Adjusted Total Assets To Be Well Capitalized Under the Prompt Corrective Action Provisions, Ratio Tier One Leverage Capital Required To Be Well Capitalized To Average Assets Dividends may be paid without prior regulatory approval. Dividends may be paid without prior regulatory approval Dividends May Be Paid Without Prior Regulatory Approval Cash cash equivalents and federal funds sold fair value disclosure. Interest bearing time deposits fair value disclosure. Interest receivable fair value disclosure. Interest payable fair value disclosure. Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Table] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Table] Liability Class Fair Value By Liability Class [Axis] Fair Value by Liability Class Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation By Liability Class [Domain] Interest bearing deposits liability. Interest Bearing Deposits [Member] Interest Bearing Deposits Liability [Member] Non interest bearing deposits. Non Interest Bearing Deposits [Member] Non Interest Bearing Deposits [Member] Time deposits. Time Deposits [Member] Time Deposits [Member] Fair Value Hierarchy and NAV Fair Value By Fair Value Hierarchy Level [Axis] Fair Value Hierarchy and NAV Fair Value Measurements Fair Value Hierarchy [Domain] Level 1 [Member] Fair Value Inputs Level1 [Member] Level 2 [Member] Fair Value Inputs Level2 [Member] Level 3 [Member] Fair Value Inputs Level3 [Member] Measurement Basis Fair Value By Measurement Basis [Axis] Fair Value Disclosure Item Amounts [Default] Portion At Fair Value Fair Value Disclosure [Member] Fair Value Measurement Fair Value Disclosure Item Amounts [Domain] Reported Value Measurement [Member] Carrying Reported Amount Fair Value Disclosure [Member] Fair Value [Member] Estimate Of Fair Value Fair Value Disclosure [Member] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] Financial Assets: Assets Fair Value Disclosure [Abstract] Cash and cash equivalents Cash Cash Equivalents And Federal Funds Sold Fair Value Disclosure Interest-bearing time deposits Interest Bearing Time Deposits Fair Value Disclosure Other securities Securities Borrowed Fair Value Disclosure Loans held for sale Loans Held For Sale Fair Value Disclosure Loans, net Loans Receivable Fair Value Disclosure Interest receivable Interest Receivable Fair Value Disclosure Financial Liabilities: Liabilities Fair Value Disclosure [Abstract] Total Deposits Deposits Fair Value Disclosure 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 Federal Home Loan Bank advances Federal Home Loan Bank Borrowings Fair Value Disclosure Interest payable Interest Payable Fair Value Disclosure Measurement Frequency Fair Value By Measurement Frequency [Axis] Measurement Frequency Fair Value Measurement Frequency [Domain] Fair Value on a Recurring Basis [Member] Fair Value Measurements Recurring [Member] Total Securities Available-for-Sale Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Table] Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Table] US states and political subdivisions tax-exempt debt securities. State and Local Governments Tax-Exempt [Member] U S States And Political Subdivisions Tax Exempt Debt Securities [Member] US states and political subdivisions taxable debt securities. State and Local Governments Taxable[Member] U S States And Political Subdivisions Taxable Debt Securities [Member] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] Beginning Balance Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value Change in Market Value Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 Purchases Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases Sales Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales Payments & Maturities Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases Sales Issuances Settlements Ending Balance Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Collateral Held Collateral [Axis] Collateral Held Collateral [Domain] Collateral Dependent [Member] Collateral Pledged [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] Transfer of assets into or out of level 3 Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net Transfer of liabilities into or out of level 3 Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Transfers Net Collateral dependent impaired loans categorized as Level 3 Specific allocation for collateral dependent impaired loans Fair Value on Nonrecurring Basis [Member] Fair Value Measurements Nonrecurring [Member] Impaired Loans [Member] Collateral Dependent Impaired Loans [Member] Impaired Loans [Member] Assets measured at fair value on a nonrecurring basis, Total Servicing Asset Assets measured at fair value on a nonrecurring basis, Total Weighted Average [Member] Weighted Average [Member] Valuation Technique Debt Securities Available For Sale Valuation Technique Extensible List Unobservable Inputs Debt Securities Available For Sale Measurement Input Extensible List Discount rate Debt Securities Available For Sale Measurement Input Fair Value Valuation Technique Servicing Asset Valuation Technique Extensible List Unobservable Inputs Servicing Asset Measurement Input Extensible List Discount rate Other Real Estate Owned Measurement Input Fair Value Valuation Technique Other Real Estate Owned Valuation Technique Extensible List Unobservable Inputs Other Real Estate Owned Measurement Input Extensible List Accrued interest payable. Schedule Of Condensed Financial Statements [Table] Schedule Of Condensed Financial Statements [Table] Farmers & Merchants State Bank [Member] Consolidated Entities [Axis] Consolidated Entities Consolidated Entities [Domain] Farmers & Merchants State Bank [Member] Parent Company [Member] Condensed Financial Statements, Captions [Line Items] Condensed Financial Statements Captions [Line Items] Cash Cash Related party receivables: Due From Related Parties Unclassified [Abstract] Dividends and accounts receivable from subsidiary Dividend And Accounts Receivable From Subsidiary Accrued interest receivable - municipals / interest bearing time deposits Accrued Interest Receivable And Other Assets Securities - municipals Equity Securities Fv Ni Investment in subsidiaries Equity Method Investments Dividends payable Accrued interest payable Accrued Interest Payable Accrued expenses Accrued Liabilities Current And Noncurrent Stockholders' Equity Interest and operating expenses. Income Dividends from subsidiaries Dividend Income Operating From Bank Subsidiaries Interest - municipals / interest-bearing time deposits Loss on sales of available-for-sale securities Expenses Interest And Operating Expenses [Abstract] Interest Operating expenses Operating Expenses Total expenses Interest And Operating Expenses Income Taxes (Benefit) Income from operation before equity in undistributed earnings of subsidiary Income From Operation Before Equity In Undistributed Earnings Of Subsidiary Equity in undistributed earnings of subsidiaries Equity In Undistributed Earnings Distributions In Excess Of Earnings Other Comprehensive Income (Loss): Unrealized gains (losses) on securities, net of taxes Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax Adjustments to reconcile net income to net cash provided by operating activities: Equity in undistributed net income Equity In Undistributed Earnings Changes in assets and liabilities: Increase Decrease In Operating Capital [Abstract] Other assets and liabilities Activity in available-for-sale securities: Maturities of certificates of deposit Proceeds From Sale Of Held To Maturity Securities Payment of dividends Summary Of Income [Abstract] Summary of Income: Summary Of Income [Abstract] Interest income Interest expense Provision for loan loss Other income (expense) Other Noncash Income Expense Earnings per Common Share Average common shares outstanding Subsequent Event [Table] Subsequent Event [Table] Subsequent Event Type Subsequent Event Type [Axis] Subsequent Event Type Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Event [Member] Title of Individual Title Of Individual [Axis] Title of Individual Title Of Individual With Relationship To Entity [Domain] Board of Directors [Member] Director [Member] Subsequent Event [Line Items] Subsequent Event [Line Items]