| Financing Receivable, Allowance for Credit Loss [Table Text Block] |
| | | June 30, 2026 | |
| | | Construction and Land Development | | | Secured by 1-4 Family Residential | | | Other Real Estate | | | Commercial and Industrial | | | Consumer and Other Loans | | | Total | |
| Allowance for credit losses: | | | | | | | | | | | | | | | | | | | | | | | | |
| Beginning Balance, December 31, 2025 | | $ | 539 | | | $ | 4,819 | | | $ | 5,952 | | | $ | 3,188 | | | $ | 221 | | | $ | 14,719 | |
| Charge-offs | | | — | | | | (29 | ) | | | — | | | | (696 | ) | | | (250 | ) | | | (975 | ) |
| Recoveries | | | 3 | | | | 15 | | | | 5 | | | | 168 | | | | 137 | | | | 328 | |
| Provision for (recovery of) credit losses on loans | | | 181 | | | | (320 | ) | | | 228 | | | | 715 | | | | 67 | | | | 871 | |
| Ending Balance, June 30, 2026 | | $ | 723 | | | $ | 4,485 | | | $ | 6,185 | | | $ | 3,375 | | | $ | 175 | | | $ | 14,943 | |
| Ending Balance: | | | | | | | | | | | | | | | | | | | | | | | | |
| Individually evaluated | | | — | | | | — | | | | — | | | | 1,721 | | | | — | | | | 1,721 | |
| Collectively evaluated | | | 723 | | | | 4,485 | | | | 6,185 | | | | 1,654 | | | | 175 | | | | 13,222 | |
| Loans: | | | | | | | | | | | | | | | | | | | | | | | | |
| Ending Balance | | $ | 113,289 | | | $ | 522,763 | | | $ | 720,120 | | | $ | 113,342 | | | $ | 17,884 | | | $ | 1,487,398 | |
| Individually evaluated | | | 41 | | | | 2,367 | | | | — | | | | 2,329 | | | | — | | | | 4,737 | |
| Collectively evaluated | | | 113,248 | | | | 520,396 | | | | 720,120 | | | | 111,013 | | | | 17,884 | | | | 1,482,661 | |
| | | December 31, 2025 | |
| | | Construction and Land Development | | | Secured by 1-4 Family Residential | | | Other Real Estate | | | Commercial and Industrial | | | Consumer and Other Loans | | | Total | |
| Allowance for credit losses: | | | | | | | | | | | | | | | | | | | | | | | | |
| Beginning Balance, December 31, 2024 | | $ | 585 | | | $ | 4,266 | | | $ | 7,462 | | | $ | 3,927 | | | $ | 160 | | | $ | 16,400 | |
| Charge-offs | | | (22 | ) | | | (59 | ) | | | (7 | ) | | | (4,221 | ) | | | (496 | ) | | | (4,805 | ) |
| Recoveries | | | 5 | | | | 31 | | | | 15 | | | | 168 | | | | 147 | | | | 366 | |
| Provision for (recovery of) credit losses on loans | | | (29 | ) | | | 581 | | | | (1,518 | ) | | | 3,314 | | | | 410 | | | | 2,758 | |
| Ending Balance, December 31, 2025 | | $ | 539 | | | $ | 4,819 | | | $ | 5,952 | | | $ | 3,188 | | | $ | 221 | | | $ | 14,719 | |
| Ending Balance: | | | | | | | | | | | | | | | | | | | | | | | | |
| Individually evaluated | | | — | | | | — | | | | — | | | | 1,793 | | | | — | | | | 1,793 | |
| Collectively evaluated | | | 539 | | | | 4,819 | | | | 5,952 | | | | 1,395 | | | | 221 | | | | 12,926 | |
| Loans: | | | | | | | | | | | | | | | | | | | | | | | | |
| Ending Balance | | $ | 88,424 | | | $ | 527,283 | | | $ | 696,978 | | | $ | 117,944 | | | $ | 19,116 | | | $ | 1,449,745 | |
| Individually evaluated | | | 45 | | | | 1,994 | | | | — | | | | 2,615 | | | | — | | | | 4,654 | |
| Collectively evaluated | | | 88,379 | | | | 525,289 | | | | 696,978 | | | | 115,329 | | | | 19,116 | | | | 1,445,091 | |
| | | June 30, 2025 | |
| | | Construction and Land Development | | | Secured by 1-4 Family Residential | | | Other Real Estate | | | Commercial and Industrial | | | Consumer and Other Loans | | | Total | |
| Allowance for credit losses: | | | | | | | | | | | | | | | | | | | | | | | | |
| Beginning Balance, December 31, 2024 | | $ | 585 | | | $ | 4,266 | | | $ | 7,462 | | | $ | 3,927 | | | $ | 160 | | | $ | 16,400 | |
| Charge-offs | | | (22 | ) | | | (44 | ) | | | (7 | ) | | | (2,663 | ) | | | (289 | ) | | | (3,025 | ) |
| Recoveries | | | 1 | | | | 20 | | | | 3 | | | | 74 | | | | 78 | | | | 176 | |
| Provision for (recovery of) credit losses on loans | | | (68 | ) | | | 920 | | | | (1,611 | ) | | | 2,102 | | | | 292 | | | | 1,635 | |
| Ending Balance, June 30, 2025 | | $ | 496 | | | $ | 5,162 | | | $ | 5,847 | | | $ | 3,440 | | | $ | 241 | | | $ | 15,186 | |
| Ending Balance: | | | | | | | | | | | | | | | | | | | | | | | | |
| Individually evaluated | | | — | | | | — | | | | — | | | | 2,240 | | | | — | | | | 2,240 | |
| Collectively evaluated | | | 496 | | | | 5,162 | | | | 5,847 | | | | 1,200 | | | | 241 | | | | 12,946 | |
| Loans: | | | | | | | | | | | | | | | | | | | | | | | | |
| Ending Balance | | $ | 78,169 | | | $ | 544,162 | | | $ | 680,063 | | | $ | 120,700 | | | $ | 19,928 | | | $ | 1,443,022 | |
| Individually evaluated | | | 48 | | | | 2,218 | | | | 932 | | | | 3,597 | | | | 1 | | | | 6,796 | |
| Collectively evaluated | | | 78,121 | | | | 541,944 | | | | 679,131 | | | | 117,103 | | | | 19,927 | | | | 1,436,226 | |
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