Investment Securities - Schedule of Activity in the ACL for Held-to-maturity Debt Securities (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Allowance for credit losses: | ||
| Beginning balance | $ 196 | $ 434 |
| Credit loss reduction | (50) | (238) |
| Securities charged-off | 0 | 0 |
| Recoveries | 0 | 0 |
| Total ending allowance balance | 146 | 196 |
| State and political subdivisions | ||
| Allowance for credit losses: | ||
| Beginning balance | 80 | 212 |
| Credit loss reduction | (12) | (132) |
| Securities charged-off | 0 | 0 |
| Recoveries | 0 | 0 |
| Total ending allowance balance | 68 | 80 |
| Corporate securities | ||
| Allowance for credit losses: | ||
| Beginning balance | 116 | 222 |
| Credit loss reduction | (38) | (106) |
| Securities charged-off | 0 | 0 |
| Recoveries | 0 | 0 |
| Total ending allowance balance | $ 78 | $ 116 |