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Commitments and Contingent Liabilities - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2023 | Mar. 31, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022
Loss Contingencies [Line Items] |  |  |  |  |  |
Reversal of credit losses on unfunded loan commitments | $ (168) | $ (174) | $ 0 | $ (342) | $ (318) |
Unfunded loan commitments decrease | $ 39,900 |  |  | $ 77,300 |  |
Minimum |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Weighted average remaining term (in years) | 10 months |  |  | 10 months |  |
Finance lease, initial contract terms (in years) | 3 years |  |  | 3 years |  |
Maximum |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Weighted average remaining term (in years) | 18 years 11 months |  |  | 18 years 11 months |  |
Finance lease, initial contract terms (in years) | 5 years |  |  | 5 years |  |
Interest payable and other liabilities | Total unfunded loan commitments and standby letters of credit |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Allowance for off balance sheet commitments | $ 1,100 |  |  | $ 1,100 |  | $ 1,500

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