Investment Securities - Debt Securities, Held-to-Maturity, Allowance for Credit Loss (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Allowance for credit losses: | ||||
| Beginning balance | $ 145 | $ 197 | $ 146 | $ 196 |
| Credit loss (reduction) expense | (2) | 1 | (3) | 2 |
| Securities charged-off | 0 | 0 | 0 | 0 |
| Recoveries | 0 | 0 | 0 | 0 |
| Total ending allowance balance | 143 | 198 | 143 | 198 |
| State and Political Subdivisions | ||||
| Allowance for credit losses: | ||||
| Beginning balance | 67 | 81 | 68 | 80 |
| Credit loss (reduction) expense | (1) | (2) | (2) | (1) |
| Securities charged-off | 0 | 0 | 0 | 0 |
| Recoveries | 0 | 0 | 0 | 0 |
| Total ending allowance balance | 66 | 79 | 66 | 79 |
| Corporate Securities | ||||
| Allowance for credit losses: | ||||
| Beginning balance | 78 | 116 | 78 | 116 |
| Credit loss (reduction) expense | (1) | 3 | (1) | 3 |
| Securities charged-off | 0 | 0 | 0 | 0 |
| Recoveries | 0 | 0 | 0 | 0 |
| Total ending allowance balance | $ 77 | $ 119 | $ 77 | $ 119 |