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Fair Value Measurements - Unobservable Inputs (Details) - USD ($) | 6 Months Ended
--- | ---
Jun. 30, 2025 | Jun. 30, 2024
Min | MSRs(1) |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Option adjusted spread(2) | 6.70% | 6.90%
Prepayment speed | 7.90% | 6.80%
Cost to service per loan(3) | $ 42 | $ 45
Min | Mortgage loans held for sale |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Market pricing | $ 0.450 | $ 0.450
Min | Excess spread financing |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Option adjusted spread(2) | 7.00% | 6.90%
Prepayment speed | 7.90% | 7.20%
Min | Mortgage servicing rights financing |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Advance financing and counterparty fee rates | 7.40% | 7.20%
Annual advance recovery rates | 10.80% | 14.90%
Min | Interest Rate Lock Commitments [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Value of servicing (reflected as a percentage of loan commitment) | 0 | 0
Max | MSRs(1) |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Option adjusted spread(2) | 12.10% | 12.20%
Prepayment speed | 9.90% | 9.30%
Cost to service per loan(3) | $ 111 | $ 114
Max | Mortgage loans held for sale |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Market pricing | $ 0.980 | $ 0.973
Max | Excess spread financing |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Option adjusted spread(2) | 12.30% | 12.30%
Prepayment speed | 8.10% | 7.60%
Max | Mortgage servicing rights financing |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Advance financing and counterparty fee rates | 8.50% | 9.00%
Annual advance recovery rates | 14.90% | 16.80%
Max | Interest Rate Lock Commitments [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Value of servicing (reflected as a percentage of loan commitment) | 0.037 | 0.036
Weighted Average | MSRs(1) |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Option adjusted spread(2) | 7.60% | 7.60%
Prepayment speed | 8.40% | 7.70%
Cost to service per loan(3) | $ 56 | $ 58
Average life(4) | 7 years 4 months 24 days | 7 years 9 months 18 days
Weighted Average | Mortgage loans held for sale |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Market pricing | $ 0.834 | $ 0.801
Weighted Average | Excess spread financing |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Option adjusted spread(2) | 8.80% | 8.70%
Prepayment speed | 8.00% | 7.50%
Average life(4) | 6 years 6 months | 6 years 9 months 18 days
Weighted Average | Mortgage servicing rights financing |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Advance financing and counterparty fee rates | 8.00% | 8.50%
Annual advance recovery rates | 12.60% | 16.00%
Weighted Average | Interest Rate Lock Commitments [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Value of servicing (reflected as a percentage of loan commitment) | 0.014 | 0.017

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