| Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] |
| | | Estimated | | | Quoted Prices in Active Markets for Identical Assets | | | Significant Other Observable Inputs | | | Significant Unobservable Inputs | |
| | | Fair Value | | | (Level 1) | | | (Level 2) | | | (Level 3) | |
| June 30, 2026 | | | | | | | | | | | | | | | | |
| Assets: | | | | | | | | | | | | | | | | |
| Obligations of the U.S. Treasury and U.S. government agencies and corporations | | $ | 35,418 | | | $ | — | | | $ | 35,418 | | | $ | — | |
| Obligations of state and political subdivisions | | | 17,306 | | | | — | | | | 14,697 | | | | 2,609 | |
| Corporate bonds | | | 24,188 | | | | — | | | | 24,188 | | | | — | |
| Residential mortgage-backed securities | | | 261,848 | | | | — | | | | 261,848 | | | | — | |
| Commercial mortgage-backed securities | | | 72,566 | | | | — | | | | 72,566 | | | | — | |
| Equity securities at fair value | | | 4,111 | | | | 4,111 | | | | — | | | | — | |
| Interest rate swaps - gross assets | | | 11,528 | | | | — | | | | 11,528 | | | | — | |
| Total assets | | $ | 426,965 | | | $ | 4,111 | | | $ | 420,245 | | | $ | 2,609 | |
| Liabilities: | | | | | | | | | | | | | | | | |
| Interest rate swaps - gross liabilities | | $ | 11,528 | | | $ | — | | | $ | 11,528 | | | $ | — | |
| | | | | | | | | | | | | | | | | |
| December 31, 2025 | | | | | | | | | | | | | | | | |
| Assets: | | | | | | | | | | | | | | | | |
| Obligations of the U.S. Treasury and U.S. government agencies and corporations | | $ | 18,751 | | | $ | — | | | $ | 18,751 | | | $ | — | |
| Obligations of state and political subdivisions | | | 16,282 | | | | — | | | | 12,678 | | | | 3,604 | |
| Corporate bonds | | | 24,682 | | | | — | | | | 24,682 | | | | — | |
| Residential mortgage-backed securities | | | 247,379 | | | | — | | | | 247,379 | | | | — | |
| Commercial mortgage-backed securities | | | 63,520 | | | | — | | | | 63,520 | | | | — | |
| Equity securities at fair value | | | 3,354 | | | | 3,354 | | | | — | | | | — | |
| Interest rate swaps - gross assets | | | 11,660 | | | | — | | | | 11,660 | | | | — | |
| Total assets | | $ | 385,628 | | | $ | 3,354 | | | $ | 378,670 | | | $ | 3,604 | |
| Liabilities: | | | | | | | | | | | | | | | | |
| Interest rate swaps - gross liabilities | | $ | 11,660 | | | $ | — | | | $ | 11,660 | | | $ | — | |
|
| Fair Value, by Balance Sheet Grouping [Table Text Block] |
| | | June 30, 2026 | |
| | | Carrying Amount | | | Estimated Fair Value | | | Level 1 | | | Level 2 | | | Level 3 | |
| Financial assets: | | | | | | | | | | | | | | | | | | | | |
| Cash and cash equivalents | | $ | 72,303 | | | $ | 72,303 | | | $ | 72,303 | | | $ | — | | | $ | — | |
| Investment securities - AFS | | | 411,326 | | | | 411,326 | | | | — | | | | 408,717 | | | | 2,609 | |
| Investment securities - HTM | | | 47,217 | | | | 49,450 | | | | — | | | | 1,634 | | | | 47,816 | |
| Equity securities at fair value | | | 4,111 | | | | 4,111 | | | | 4,111 | | | | — | | | | — | |
| Nonmarketable equity securities | | | 23,759 | | | | 23,759 | | | | — | | | | 23,759 | | | | — | |
| Loans, net of allowance | | | 3,023,636 | | | | 3,002,686 | | | | — | | | | — | | | | 3,002,686 | |
| Interest rate swaps - gross assets | | | 11,528 | | | | 11,528 | | | | — | | | | 11,528 | | | | — | |
| | | | | | | | | | | | | | | | | | | | | |
| Financial liabilities: | | | | | | | | | | | | | | | | | | | | |
| Deposits | | | 3,213,886 | | | | 3,211,288 | | | | — | | | | 3,211,288 | | | | — | |
| FHLB short-term advances and repurchase agreements | | | 54,575 | | | | 54,573 | | | | — | | | | 54,573 | | | | — | |
| FHLB long-term advances | | | 100,000 | | | | 99,669 | | | | — | | | | 99,669 | | | | — | |
| Junior subordinated debt | | | 22,994 | | | | 22,991 | | | | — | | | | — | | | | 22,991 | |
| Subordinated debt | | | 16,759 | | | | 15,648 | | | | — | | | | 15,648 | | | | — | |
| Interest rate swaps - gross liabilities | | | 11,528 | | | | 11,528 | | | | — | | | | 11,528 | | | | — | |
| | | December 31, 2025 | |
| | | Carrying Amount | | | Estimated Fair Value | | | Level 1 | | | Level 2 | | | Level 3 | |
| Financial assets: | | | | | | | | | | | | | | | | | | | | |
| Cash and cash equivalents | | $ | 41,505 | | | $ | 41,505 | | | $ | 41,505 | | | $ | — | | | $ | — | |
| Investment securities - AFS | | | 370,614 | | | | 370,614 | | | | — | | | | 367,010 | | | | 3,604 | |
| Investment securities - HTM | | | 48,199 | | | | 50,540 | | | | — | | | | 1,694 | | | | 48,846 | |
| Equity securities at fair value | | | 3,354 | | | | 3,354 | | | | 3,354 | | | | — | | | | — | |
| Nonmarketable equity securities | | | 17,021 | | | | 17,021 | | | | — | | | | 17,021 | | | | — | |
| Loans, net of allowance | | | 2,149,624 | | | | 2,080,142 | | | | — | | | | — | | | | 2,080,142 | |
| Interest rate swaps - gross assets | | | 11,660 | | | | 11,660 | | | | — | | | | 11,660 | | | | — | |
| | | | | | | | | | | | | | | | | | | | | |
| Financial liabilities: | | | | | | | | | | | | | | | | | | | | |
| Deposits | | | 2,350,249 | | | | 2,349,856 | | | | — | | | | 2,349,856 | | | | — | |
| FHLB short-term advances and repurchase agreements | | | 47,183 | | | | 47,193 | | | | — | | | | 47,193 | | | | — | |
| FHLB long-term advances | | | 80,000 | | | | 80,079 | | | | — | | | | 80,079 | | | | — | |
| Junior subordinated debt | | | 8,830 | | | | 8,830 | | | | — | | | | — | | | | 8,830 | |
| Subordinated debt | | | 16,738 | | | | 15,252 | | | | — | | | | 15,252 | | | | — | |
| Interest rate swaps - gross liabilities | | | 11,660 | | | | 11,660 | | | | — | | | | 11,660 | | | | — | |
|