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Loans Receivable - Textual (Details)
12 Months Ended
Dec. 31, 2024
USD ($)
segment
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Number of loan segments | segment 4    
Maximum loan-to-value percentage 80.00%    
Interest and fees on loans $ 247,472,000 $ 217,284,000 $ 174,275,000
Loans 90 days or more past due, still accruing interest 1,195,000 1,293,000  
Modified loans that were past due 49,236,000 29,653,000  
Loans to borrowers 0    
Servicing fee income and fees from SBA loans serviced for others $ 94,000 135,000 $ 217,000
Financing Receivable, Accrued Interest, After Allowance For Credit Loss, Statement Of Financial Position Extensible List Not Disclosed Flag true    
Related Party      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total outstanding commitments $ 143,000 113,000  
Loans Receivable      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Accrued interest receivable on loans receivable 14,500,000 $ 13,300,000  
90 Days or Greater      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Modified loans that were past due $ 0    
Residential real estate      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Maximum percent of lower of appraised value at origination or cost of underlying collateral 80.00%    
Residential real estate | Minimum      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Terms of maturity on loans 15 years    
Residential real estate | Maximum      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Terms of maturity on loans 30 years