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MORTGAGE BANKING OPERATIONS - Sensitivity Analysis (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2022 USD ($) | Dec. 31, 2021
Key economic assumptions and the sensitivity of the current fair value for single family MSRs |  |
Fair value of single family MSR | $ 72,378 |
Expected weighted-average life (in years) | 7 years 1 month 20 days |
Constant Prepayment Rate [Abstract] |  |
Impact on fair value of 25 basis points adverse change in interest rates | $ (2,208) |
Impact on fair value of 50 basis points adverse change in interest rates | (4,909) |
Discount Rate [Abstract] |  |
Impact on fair value of 100 basis points increase | (3,217) |
Impact on fair value of 200 basis points increase | $ (6,187) |
Minimum | CPRs |  |
Key economic assumptions and the sensitivity of the current fair value for single family MSRs |  |
Measurement input (as a percent) | 0.0738 | 0.0790
Minimum | Discount rate |  |
Key economic assumptions and the sensitivity of the current fair value for single family MSRs |  |
Measurement input (as a percent) | 0.0810 | 0.0694
Maximum | CPRs |  |
Key economic assumptions and the sensitivity of the current fair value for single family MSRs |  |
Measurement input (as a percent) | 0.1666 | 0.1735
Maximum | Discount rate |  |
Key economic assumptions and the sensitivity of the current fair value for single family MSRs |  |
Measurement input (as a percent) | 0.1518 | 0.1396
Weighted average | CPRs |  |
Key economic assumptions and the sensitivity of the current fair value for single family MSRs |  |
Measurement input (as a percent) | 0.0942 | 0.1035
Weighted average | Discount rate |  |
Key economic assumptions and the sensitivity of the current fair value for single family MSRs |  |
Measurement input (as a percent) | 0.0905 | 0.0797

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