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Investment Securities - Narrative (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Feb. 01, 2025 | Jan. 31, 2025 | Dec. 31, 2024
--- | --- | --- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |  |  |
Carrying value of securities pledged as collateral as required by law on public and trust deposits, repurchase agreements, and for other purposes | $ 200,000 |  |  | $ 157,300
Traditions Bancorp, Inc. |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Investment Securities |  | $ 97,666 | $ 98,484 |

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