v3.26.1
Loans - Narrative (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Financing Receivable, Troubled Debt Restructuring [Line Items]          
Net unearned discounts and deferred loan costs $ 6,200,000   $ 6,200,000   $ 6,800,000
Nonaccrual interest income 0 $ 0 0 $ 0  
Defaulted receivables 0 $ 0 1,800,000 $ 2,800,000  
Repossessed assets 4,700,000   4,700,000    
Minimum          
Financing Receivable, Troubled Debt Restructuring [Line Items]          
Loans with an aggregate credit exposure 3,000,000   $ 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   $ 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    
Consumer          
Financing Receivable, Troubled Debt Restructuring [Line Items]          
Net investment in which foreclosure proceedings have commenced $ 2,000,000.0   $ 2,000,000.0