Quarterly report [Sections 13 or 15(d)]

Loans Receivable - Narrative (Details)

v3.25.3
Loans Receivable - Narrative (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2025
USD ($)
segment
Sep. 30, 2024
Sep. 30, 2025
USD ($)
segment
Sep. 30, 2024
Dec. 31, 2024
USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Excellent liquidity and net worth and reputable operators over period     15 years    
Debt modification, loans evaluation period     12 months    
Debt modification, past due, downgraded to special mention 60 days   60 days    
Debt modification, past due, further downgraded to substandard 90 days   90 days    
Mortgage loans in process of foreclosure, amount $ 2,100,000   $ 2,100,000   $ 700,000
Number of classes existing in loans and leases receivable portfolio | segment 9   9    
Deferred cost reserve, unamortized balance $ 2,500,000   $ 2,500,000   2,900,000
Accrued interest, before allowance for credit loss 5,300,000   5,300,000   5,300,000
Financial Asset Acquired          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Unamortized purchase premium (discount) 3,900,000   $ 3,900,000   $ 4,400,000
Payment Delay          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Weighted average term extension (months)     5 months    
Term Extension          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Weighted average term extension (months)     187 months    
Maximum          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Loans evaluated for risk, balance 1,000,000   $ 1,000,000    
Minimum          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Loans evaluated for risk, balance $ 1,000,000   $ 1,000,000    
Residential real estate          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Weighted average term extension (months) 7 months 4 months 7 months 4 months  
Residential real estate | Residential Mortgage          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Maximum percentage of purchase price or appraised value 97.00%   97.00%    
Percentage of value in excess requiring private mortgage insurance 80.00%   80.00%    
Percentage of value appraised value of property 80.00%   80.00%    
Percentage of private mortgage insurance 97.00%   97.00%    
Residential real estate | Residential Mortgage | Fixed Period One          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Offerings fixed period     3 years    
Residential real estate | Residential Mortgage | Fixed Period Two          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Offerings fixed period     5 years    
Residential real estate | Residential Mortgage | Fixed Period Three          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Offerings fixed period     7 years    
Residential real estate | Residential Mortgage | Fixed Period Four          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Offerings fixed period     10 years    
Home equity          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Maximum percentage of purchase price or appraised value 89.00%   89.00%    
Maximum percentage of appraised value of improved property 85.00%   85.00%    
Home equity | Maximum          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Contractual maturity (month)     240 months    
Commercial real estate          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Maximum percentage of purchase price or appraised value 80.00%   80.00%    
Balloon feature, period for full repayment (year)     15 years    
Weighted average term extension (months) 180 months   180 months    
Commercial real estate | Maximum          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Contractual maturity (month)     25 years    
Balloon feature, period for full repayment (year)     10 years    
Commercial real estate | Minimum          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Contractual maturity (month)     15 years    
Balloon feature, period for full repayment (year)     7 years    
Construction and land development | Residential Mortgage          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Maximum percentage of purchase price or appraised value 89.00%   89.00%    
Construction and land development | Residential Mortgage | Maximum          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Contractual maturity (month)     1 year    
Construction and land development | Commercial Real Estate          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Maximum percentage of purchase price or appraised value 80.00%   80.00%    
Construction and land development | Commercial Real Estate | Maximum          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Contractual maturity (month)     2 years    
Manufactured homes | Maximum          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Contractual maturity (month)     25 years