Fair Value - Quantitative Information about Level 3 Fair Value Measurements (Details)	Jun. 30, 2025	Dec. 31, 2024
Constant prepayment speed \| Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
MSR Unobservable Input	0.047	0.052
Constant prepayment speed \| Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
MSR Unobservable Input	0.318	0.293
Constant prepayment speed \| Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
MSR Unobservable Input	0.064	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	0.465	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	0.763	0.844