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Premises and equipment, net Property, Plant and Equipment, Net Schedule of Finite-Lived Intangible Assets, Future Amortization Expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Treasury stock, shares repurchased (in shares) Treasury Stock, Shares, Acquired Earnings Per Share [Abstract] Earnings Per Share [Abstract] Financing receivable, individually evaluated for impairment Financing Receivable, Individually Evaluated for Impairment Document Quarterly Report Document Quarterly Report AFS, Total Unrealized Losses Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss Total net revenue Revenues Average funding sources Average funding sources Funding sources. Purchase of bank-owned life insurance Payment to Acquire Life Insurance Policy, Investing Activities Proceeds from sales of securities available-for-sale Proceeds from Sale of Debt Securities, Available-for-sale Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Interest-bearing Interest-bearing Deposit Liabilities Goodwill, gross carrying amount Goodwill, Gross Revenue, Performance Obligation [Abstract] Revenue, Performance Obligation [Abstract] Available-for-sale securities, number of positions Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions Patents Patents [Member] Real Estate, Commercial, Mortgage Real Estate Commercial Mortgage [Member] Real Estate Commercial Mortgage Net increase in accounts and drafts payable Increase (Decrease) In Accounts and Drafts Payable Net change during the reporting period in the carrying amount of accounts and drafts payable. Financial Standby Letter of Credit Financial Standby Letter of Credit [Member] Total intangible assets, net Intangible Assets, Net (Including Goodwill) Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Effective income tax rate reconciliation, percent Effective Income Tax Rate Reconciliation, Percent Schedule of Credit Exposure of the Loan Portfolio Schedule of Credit Exposure of the Loan Portfolio [Table Text Block] Tabular disclosure for credit exposure of loan portfolio by internally assigned credit grade. Personnel Labor and Related Expense Debt related to PPP loans Debt Instrument, Cumulative Gross Proceeds Issued Debt Instrument, Cumulative Gross Proceeds Issued Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Common stock, par or stated value per share (in dollars per share) Common Stock, Par or Stated Value Per Share Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Amortization expense, rolling year three Finite-Lived Intangible Assets, Amortization Expense, Rolling Year Three Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Other financing activities, net Proceeds from (Payments for) Other Financing Activities Gross Carrying Amount Finite-Lived Intangible Assets, Gross Less than 1 Year Time Deposit Maturities, Year One Leases [Abstract] Leases [Abstract] Entity Central Index Key Entity Central Index Key Security Exchange Name Security Exchange Name Net unrealized (loss) gain on securities available-for-sale OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Total operating expense Noninterest Expense Weighted-average common shares outstanding assuming dilution (in shares) Weighted Average Number of Shares Outstanding, Diluted Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Income Taxes Income Tax Disclosure [Text Block] Exercised (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Exercises in Period, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Exercises in Period, Weighted Average Exercise Price Unused loan commitments Unused Commitments to Extend Credit Current Fiscal Year End Date Current Fiscal Year End Date Schedule of Net Benefit Costs Schedule of Net Benefit Costs [Table Text Block] Measurement Basis [Axis] Measurement Basis [Axis] Construction Construction [Member] Faith-based real estate Faith-Based Real Estate [Member] Faith Based Real Estate One [Member] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Loans, net Loans Receivable, Fair Value Disclosure Occupancy Occupancy, Net Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Marketable Securities [Line Items] Marketable Securities [Line Items] Cash Flows From Operating Activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Vested (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Real Estate, Commercial, Construction Real Estate Commercial Construction [Member] Real Estate Commercial Construction Loan Loss Contingencies [Table] Loss Contingencies [Table] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Information services payment and processing revenue Information Services Payment And Processing Revenue [Member] Information Services Payment And Processing Revenue Title of 12(b) Security Title of 12(b) Security Statement [Table] Statement [Table] Customer lists Customer Lists [Member] Shares Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward] Available-for-sale securities, number of positions, greater than one year Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions Unrecognized compensation expense Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Statistical Measurement [Axis] Statistical Measurement [Axis] Subsequent Event Subsequent Event [Member] Cover [Abstract] Goodwill Goodwill Tax equivalent adjustment Income Tax Effects Allocated Directly to Equity, Prior Period Adjustment Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Due after 10 years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 10 Depreciation and amortization Depreciation, Amortization and Accretion, Net AFS, Less than 12 months, Unrealized Losses Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Scenario [Domain] Scenario [Domain] Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Loans Total Loans Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss Pension Plan Pension Plan [Member] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Accrued interest payable Accrued Liabilities, Fair Value Disclosure (Increase) decrease in payments in excess of funding (Increase) Decrease In Payments In Excess Of Funding Net change during the reporting period in the carrying amount of payments in excess of funding. Due in 1 year or less Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Operating lease, cost Operating Lease, Cost Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] AFS, 12 months or more, Unrealized Losses Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table]