Quarterly report [Sections 13 or 15(d)]

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

v3.25.3
Fair Value - Quantitative Information about Level 3 Fair Value Measurements (Details)
Sep. 30, 2025
Dec. 31, 2024
Constant prepayment speed | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
MSR Unobservable Input 0.050 0.052
Constant prepayment speed | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
MSR Unobservable Input 0.434 0.293
Constant prepayment speed | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
MSR Unobservable Input 0.069 0.063
Option-adjusted spread | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
MSR Unobservable Input 0.052 0.051
Option-adjusted spread | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
MSR Unobservable Input 0.052 0.051
Option-adjusted spread | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
MSR Unobservable Input 0.052 0.051
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 65.02
Pull-through rate | Minimum | Interest rate lock commitments    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
IRLC Unobservable Input 0.488 0.693
Pull-through rate | Maximum | Interest rate lock commitments    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
IRLC Unobservable Input 1.000 0.998
Pull-through rate | Weighted Average | Interest rate lock commitments    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
IRLC Unobservable Input 0.813 0.844