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Allowance for Credit Losses - Liabilities for Off-Balance Sheet Credit Exposures (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Off-Balance-Sheet, Credit Loss, Liability [Roll Forward]        
Liabilities for off-balance sheet credit exposures at beginning of period $ 3,151 $ 2,720 $ 2,796 $ 2,506
Provision (credit) for credit loss expense related to off-balance sheet credit exposures (166) 76 189 290
Liabilities for off-balance sheet credit exposures at end of period $ 2,985 $ 2,796 $ 2,985 $ 2,796