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Capital and Regulatory Matters - Narrative (Details) - USD ($) | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jul. 31, 2022 | Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Resale Agreement Counterparty [Line Items] |  |  |  |
Transition regulatory capital amount |  | $ 1,900,000 |  | $ 2,500,000
Purchase price | $ 50,000,000 |  |  |
Stock buyback program, period | 3 years |  |  |
Repurchase of stock (in shares) |  | 0 | 0 |
Origin Bank | Origin Bank |  |  |  |
Resale Agreement Counterparty [Line Items] |  |  |  |
Aggregate dividends without prior regulatory approval |  | $ 50,500,000 |  |

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