Quarterly report [Sections 13 or 15(d)]

Fair Value - Quantitative Information about Level 3 Fair Value Measurements (Details)

v3.26.1
Fair Value - Quantitative Information about Level 3 Fair Value Measurements (Details)
Mar. 31, 2026
Dec. 31, 2025
Constant prepayment speed | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
MSR Unobservable Input 0.048 0.048
Constant prepayment speed | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
MSR Unobservable Input 0.308 0.473
Constant prepayment speed | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
MSR Unobservable Input 0.066 0.068
Option-adjusted spread | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
MSR Unobservable Input 0.052 0.052
Option-adjusted spread | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
MSR Unobservable Input 0.052 0.052
Option-adjusted spread | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
MSR Unobservable Input 0.052 0.052
Per loan annual cost to service | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
MSR Unobservable Input 65.00 65.00
Per loan annual cost to service | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
MSR Unobservable Input 73.88 73.88
Per loan annual cost to service | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
MSR Unobservable Input 65.03 65.03
Pull-through rate | Minimum | Interest rate lock commitments    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
IRLC Unobservable Input 0.526 0.545
Pull-through rate | Maximum | Interest rate lock commitments    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
IRLC Unobservable Input 1.000 1.000
Pull-through rate | Weighted Average | Interest rate lock commitments    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
IRLC Unobservable Input 0.864 0.762