| Fair Value, Assets Measured on Recurring Basis [Table Text Block] |
| | | | | | | Fair Value Measurements at March 31, 2026 | |
| Description | | Balance as of March 31, 2026 | | | Quoted Prices in Active Markets for Identical Assets (Level 1) | | | Significant Other Observable Inputs (Level 2) | | | Significant Unobservable Inputs (Level 3) | |
| Assets: | | | | | | | | | | | | | | | | |
| Securities available for sale | | | | | | | | | | | | | | | | |
| U.S. Treasury securities | | $ | 37,135 | | | $ | — | | | $ | 37,135 | | | $ | — | |
| U.S. agency and mortgage-backed securities | | | 122,418 | | | | — | | | | 122,418 | | | | — | |
| Obligations of states and political subdivisions | | | 56,147 | | | | — | | | | 56,147 | | | | — | |
| Corporate debt securities | | | 1,955 | | | | — | | | | 1,955 | | | | — | |
| Total securities available for sale | | $ | 217,655 | | | $ | — | | | $ | 217,655 | | | $ | — | |
| Derivatives - cash flow hedges | | | 2,288 | | | | — | | | | 2,288 | | | | — | |
| Total assets | | $ | 219,943 | | | $ | — | | | $ | 219,943 | | | $ | — | |
| | | | | | | Fair Value Measurements at December 31, 2025 | |
| Description | | Balance as of December 31, 2025 | | | Quoted Prices in Active Markets for Identical Assets (Level 1) | | | Significant Other Observable Inputs (Level 2) | | | Significant Unobservable Inputs (Level 3) | |
| Assets: | | | | | | | | | | | | | | | | |
| Securities available for sale | | | | | | | | | | | | | | | | |
| U.S. Treasury securities | | $ | 37,338 | | | $ | — | | | $ | 37,338 | | | $ | — | |
| U.S. agency and mortgage-backed securities | | | 122,797 | | | | — | | | | 122,797 | | | | — | |
| Obligations of states and political subdivisions | | | 56,446 | | | | — | | | | 56,446 | | | | — | |
| Corporate debt securities | | | 957 | | | | — | | | | 957 | | | | — | |
| Total securities available for sale | | $ | 217,538 | | | $ | — | | | $ | 217,538 | | | $ | — | |
| Derivatives - cash flow hedges | | | 2,292 | | | | — | | | | 2,292 | | | | — | |
| Total assets | | $ | 219,830 | | | $ | — | | | $ | 219,830 | | | $ | — | |
|
| Fair Value, by Balance Sheet Grouping [Table Text Block] |
| | | | | | | Fair Value Measurements at March 31, 2026 Using | |
| | | Carrying Amount | | | Quoted Prices in Active Markets for Identical Assets Level 1 | | | Significant Other Observable Inputs Level 2 | | | Significant Unobservable Inputs Level 3 | | | Fair Value | |
| Financial Assets | | | | | | | | | | | | | | | | | | | | |
| Cash and interest-bearing deposits in banks | | $ | 187,809 | | | $ | 187,809 | | | $ | — | | | $ | — | | | $ | 187,809 | |
| Securities available for sale | | | 217,655 | | | | — | | | | 217,655 | | | | — | | | | 217,655 | |
| Securities held to maturity | | | 101,261 | | | | — | | | | 94,070 | | | | — | | | | 94,070 | |
| Restricted securities | | | 5,642 | | | | — | | | | 5,642 | | | | — | | | | 5,642 | |
| Loans, net | | | 1,449,708 | | | | — | | | | — | | | | 1,437,769 | | | | 1,437,769 | |
| Bank owned life insurance | | | 38,837 | | | | — | | | | 38,837 | | | | — | | | | 38,837 | |
| Accrued interest receivable | | | 6,656 | | | | — | | | | 6,656 | | | | — | | | | 6,656 | |
| Derivatives - cash flow hedges | | | 2,288 | | | | — | | | | 2,288 | | | | — | | | | 2,288 | |
| Financial Liabilities | | | | | | | | | | | | | | | | | | | | |
| Deposits | | $ | 1,837,292 | | | $ | — | | | $ | 1,477,722 | | | $ | 356,155 | | | $ | 1,833,877 | |
| Other borrowings | | | 25,000 | | | | — | | | | — | | | | 24,960 | | | | 24,960 | |
| Subordinated debt | | | 8,385 | | | | — | | | | — | | | | 6,847 | | | | 6,847 | |
| Junior subordinated debt | | | 9,279 | | | | — | | | | — | | | | 8,242 | | | | 8,242 | |
| Accrued interest payable | | | 1,347 | | | | — | | | | 1,347 | | | | — | | | | 1,347 | |
| | | | | | | Fair Value Measurements at December 31, 2025 Using | |
| | | Carrying Amount | | | Quoted Prices in Active Markets for Identical Assets Level 1 | | | Significant Other Observable Inputs Level 2 | | | Significant Unobservable Inputs Level 3 | | | Fair Value | |
| Financial Assets | | | | | | | | | | | | | | | | | | | | |
| Cash and interest-bearing deposits in banks | | $ | 160,910 | | | $ | 160,910 | | | $ | — | | | $ | — | | | $ | 160,910 | |
| Securities available for sale | | | 217,538 | | | | — | | | | 217,538 | | | | — | | | | 217,538 | |
| Securities held to maturity | | | 102,872 | | | | — | | | | 102,872 | | | | — | | | | 102,872 | |
| Restricted securities | | | 5,624 | | | | — | | | | 5,624 | | | | — | | | | 5,624 | |
| Loans held for sale | | | — | | | | — | | | | — | | | | — | | | | — | |
| Loans, net | | | 1,435,026 | | | | — | | | | — | | | | 1,420,784 | | | | 1,420,784 | |
| Bank owned life insurance | | | 38,577 | | | | — | | | | 38,577 | | | | — | | | | 38,577 | |
| Accrued interest receivable | | | 6,467 | | | | — | | | | 6,467 | | | | — | | | | 6,467 | |
| Derivatives - cash flow hedges | | | 2,292 | | | | — | | | | 2,292 | | | | — | | | | 2,292 | |
| Financial Liabilities | | | | | | | | | | | | | | | | | | | | |
| Deposits | | $ | 1,799,548 | | | $ | — | | | $ | 1,436,453 | | | $ | 360,656 | | | $ | 1,797,109 | |
| Other borrowings | | | 25,000 | | | | — | | | | — | | | | 24,960 | | | | 24,960 | |
| Subordinated debt | | | 8,312 | | | | — | | | | — | | | | 6,774 | | | | 6,774 | |
| Junior subordinated debt | | | 9,279 | | | | — | | | | — | | | | 8,240 | | | | 8,240 | |
| Accrued interest payable | | | 1,562 | | | | — | | | | 1,562 | | | | — | | | | 1,562 | |
|