Fair Value Measurements - Quantitative Information about Significant Unobservable Inputs (Details) - IRLCs - Level 3 - Pull-through factor	Sep. 30, 2025	Dec. 31, 2024
Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input, derivatives	0.0007	0.0045
Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input, derivatives	1.0000	1.0000
Weighted average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input, derivatives	0.716	0.748