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Investment Securities - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2026 | Mar. 31, 2025 | Dec. 31, 2025
Investments, Debt and Equity Securities [Abstract] |  |  |
Securities pledged as security, carrying value | $ 134,486 |  | $ 138,306
Proceeds from sales of securities available for sale | 0 | $ 0 |
Investments reported at less than historical cost, fair value | $ 238,904 |  | $ 244,503
Investments reported at less than historical cost as percentage of total securities | 96.00% |  | 96.00%

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