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MORTGAGE BANKING OPERATIONS - Key Economic Assumptions (Details) | 3 Months Ended | 9 Months Ended
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Sep. 30, 2025 | Sep. 30, 2025
Constant prepayment rate | Weighted Average |  |
Fair Value Measurement Inputs and Valuation Techniques |  |
Measurement input (as a percent) | 0.0689 | 0.0689
Constant prepayment rate | Single Family Residential | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques |  |
Measurement input (as a percent) | 0.0505 | 0.0505
Constant prepayment rate | Single Family Residential | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques |  |
Measurement input (as a percent) | 0.1195 | 0.1195
Constant prepayment rate | Single Family Residential | Weighted Average |  |
Fair Value Measurement Inputs and Valuation Techniques |  |
Servicing asset, measurement input (as a percent) | 16.47% | 16.47%
Discount rate | Weighted Average |  |
Fair Value Measurement Inputs and Valuation Techniques |  |
Measurement input (as a percent) | 0.0899 | 0.0899
Discount rate | Single Family Residential | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques |  |
Measurement input (as a percent) | 0.0866 | 0.0866
Discount rate | Single Family Residential | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques |  |
Measurement input (as a percent) | 0.1623 | 0.1623
Discount rate | Single Family Residential | Weighted Average |  |
Fair Value Measurement Inputs and Valuation Techniques |  |
Servicing asset, measurement input (as a percent) | 8.73% | 8.73%

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