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Loans - Narrative (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 USD ($) loan | Mar. 31, 2023 loan | Dec. 31, 2023 USD ($) loan
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Interest income on non-accrual loans | $ 32 |  | $ 106
Number of loans modified as troubled debt restructurings | loan | 0 | 0 | 0
Threshold amount to individually classify loans by credit risk | $ 250 |  |
PCD Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Purchase credit deteriorated loans | $ 12,817 |  | $ 13,237

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