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Loans, Components of the Allowance for Credit Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Financing Receivable, Allowance for Credit Loss [Abstract] |  |  |
Allowance for Credit Losses | $ 21,598 | $ 15,250 | $ 21,153
Allowance for credit losses - off-balance sheet credit exposure | 938 | 1,229 | 1,265
Total allowance for credit losses | 22,536 | 16,479 | 22,418
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |
Balance at beginning of period | 21,153 | 18,552 | 18,552
Loans charge-off | (674) | (7) |
Recoveries of loans previously charged-off | 7 | 5 |
Net loans charged-off | (667) | (2) |
Provision for credit losses | 1,112 | 0 |
Balance at end of period | 21,598 | 15,250 | 21,153
Off-Balance-Sheet, Credit Loss, Liability [Roll Forward] |  |  |
Off-Balance-Sheet, credit loss, liability | 1,265 | 165 | 165
Off-Balance-Sheet, credit loss, liability, provision for credit losses | (327) |  |
Off-Balance-Sheet, credit loss, liability | 938 | 1,229 | 1,265
Financing Receivable, Allowance for Credit Loss and Off-Balance-Sheet, Credit Loss, Liability [Roll Forward] |  |  |
Balance at beginning of period | 22,418 | 18,717 | 18,717
Loans charge-off | (674) | (7) |
Recoveries of loans previously charged-off | 7 | 5 |
Net loans charged-off | (667) | (2) |
Provision for credit losses | 785 | 0 |
Balance at end of period | $ 22,536 | 16,479 | 22,418
Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member] |  |  |
Financing Receivable, Allowance for Credit Loss [Abstract] |  |  |
Allowance for Credit Losses |  |  |
Allowance for credit losses - off-balance sheet credit exposure |  |  |
Total allowance for credit losses |  |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |  |
Balance at beginning of period |  | (3,300) | (3,300)
Off-Balance-Sheet, Credit Loss, Liability [Roll Forward] |  |  |
Off-Balance-Sheet, credit loss, liability |  | 1,064 | 1,064
Financing Receivable, Allowance for Credit Loss and Off-Balance-Sheet, Credit Loss, Liability [Roll Forward] |  |  |
Balance at beginning of period |  | $ (2,236) | $ (2,236)

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