Investment Securities - Debt Securities, Held-to-Maturity, Allowance for Credit Loss (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Allowance for credit losses: | ||
| Beginning balance | $ 146 | $ 196 |
| Credit loss (reduction) expense | (1) | 1 |
| Securities charged-off | 0 | 0 |
| Recoveries | 0 | 0 |
| Total ending allowance balance | 145 | 197 |
| State and Political Subdivisions | ||
| Allowance for credit losses: | ||
| Beginning balance | 68 | 80 |
| Credit loss (reduction) expense | (1) | 1 |
| Securities charged-off | 0 | 0 |
| Recoveries | 0 | 0 |
| Total ending allowance balance | 67 | 81 |
| Corporate Securities | ||
| Allowance for credit losses: | ||
| Beginning balance | 78 | 116 |
| Credit loss (reduction) expense | 0 | 0 |
| Securities charged-off | 0 | 0 |
| Recoveries | 0 | 0 |
| Total ending allowance balance | $ 78 | $ 116 |