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Loans - Additional Information (Details) - USD ($)
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Deferred loan costs $ 21,900,000 $ 22,700,000
Period of loan sold 30 days  
Minimum period seldom held 90 days  
Mortgage warehousing maximum pay off period 30 days  
Nonaccrual interest income $ 0 0
Non-accrual loans   17,600,000
Non-accrual   $ 1,548,000
Minimum    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Loans with an aggregate credit exposure $ 3,000,000  
Loans classified as TDR after a period 90 days  
Minimum | Good Pass    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Number of consecutive years of profit for good pass rating 3 years  
Number of consecutive years of profit unaudited financial information for good pass rating 5 years  
Number of years of satisfactory relationship with bank for good pass rating 5 years  
Maximum    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Loans with an aggregate credit exposure $ 6,000,000  
Loans classified as TDR after a period 120 days  
Maximum | Satisfactory Pass    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Minimum number of years of satisfactory repayment required for satisfactory pass rating 2 years