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Loans - Additional Information (Details) - USD ($)
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Financing Receivable, Troubled Debt Restructuring [Line Items]      
Deferred loan costs $ 22,900,000   $ 21,900,000
Period of loan sold 30 days    
Minimum period seldom held 90 days    
Mortgage warehousing maximum pay off period (in days) 30 days    
Nonaccrual interest income $ 0 $ 0  
Minimum      
Financing Receivable, Troubled Debt Restructuring [Line Items]      
Loans with an aggregate credit exposure $ 3,000,000    
Loans classified as TDR after a period (in days) 90 days    
Minimum | Good Pass      
Financing Receivable, Troubled Debt Restructuring [Line Items]      
Number of consecutive years of profit for good pass rating (in years) 3 years    
Number of consecutive years of profit unaudited financial information for good pass rating (in years) 5 years    
Number of years of satisfactory relationship with bank for good pass rating (in years) 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 (in days) 120 days    
Maximum | Satisfactory Pass      
Financing Receivable, Troubled Debt Restructuring [Line Items]      
Minimum number of years of satisfactory repayment required for satisfactory pass rating (in years) 2 years