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Loans and Allowance for Credit Losses on Loans - Concentrations of Credit Narrative (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Financing Receivable, Allowance for Credit Loss [Line Items]    
Loans, at amortized cost $ 2,073,720 $ 2,092,546
Commercial real estate    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Percentage of loans by class to all loans 75.00% 74.00%
Loans secured by real estate    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Percentage of loans by class to all loans 90.00% 90.00%