| Comprehensive Income (Loss) Note [Text Block] |
Note 8. Accumulated Other Comprehensive (Loss)
Changes in each component of accumulated other comprehensive (loss) were as follows (in thousands):
| | | Net Unrealized Gains (Losses) on Securities | | | Change in Fair Value of Cash Flow Hedges | | | Accumulated Other Comprehensive (Loss) | |
| Balance at December 31, 2024 | | $ | (20,817 | ) | | $ | 2,125 | | | $ | (18,692 | ) |
| Unrealized holding gains (net of tax, $428) | | | 1,612 | | | | — | | | | 1,612 | |
| Amortization of unrealized holding losses on available-for-sale securities transferred to held to maturity (net of tax of $50) | | | 188 | | | | — | | | | 188 | |
| Change in fair value of cash flow hedge (net of tax, ($45)) | | | — | | | | (171 | ) | | | (171 | ) |
| Change during period | | | 1,800 | | | | (171 | ) | | | 1,629 | |
| Balance at March 31, 2025 | | $ | (19,017 | ) | | $ | 1,954 | | | $ | (17,063 | ) |
| | | | | | | | | | | | | |
| Balance at December 31, 2025 | | $ | (14,049 | ) | | $ | 1,810 | | | | (12,239 | ) |
| Unrealized holding (losses) (net of tax, ($366)) | | | (1,372 | ) | | | — | | | | (1,372 | ) |
| Amortization of unrealized holding losses on available-for-sale securities transferred to held to maturity (net of tax of $49) | | | 187 | | | | — | | | | 187 | |
| Change in fair value of cash flow hedge (net of tax, ($1)) | | | — | | | | (3 | ) | | | (3 | ) |
| Change during period | | | (1,185 | ) | | | (3 | ) | | | (1,188 | ) |
| Balance at March 31, 2026 | | $ | (15,234 | ) | | $ | 1,807 | | | $ | (13,427 | ) |
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