Investment Securities - Amortized Cost and Fair Value of Investment Securities Pledged as Collateral (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Amortized Cost | $ 684,629 | $ 674,724 |
| Fair Value | 630,198 | 625,841 |
| State and local governments public deposits | ||
| Amortized Cost | 218,715 | 224,069 |
| Fair Value | 208,192 | 216,012 |
| FRB | ||
| Amortized Cost | 389,195 | 395,364 |
| Fair Value | 349,614 | 358,480 |
| Other securities pledged | ||
| Amortized Cost | 76,719 | 55,291 |
| Fair Value | $ 72,392 | $ 51,349 |