v3.26.1
FAIR VALUE - Unobservable Inputs Information (Details) - Mortgage servicing rights - Discounted cash flow - Unobservable inputs Level 3
Jun. 30, 2026
Dec. 31, 2025
Constant prepayment rate | Minimum    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Unobservable Input 0.071 0.070
Constant prepayment rate | Maximum    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Unobservable Input 0.094 0.086
Constant prepayment rate | Weighted Average    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Unobservable Input 0.084 0.079
Discount rate    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Unobservable Input 0.120 0.120
Discount rate | Weighted Average    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Unobservable Input 0.120 0.120