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MORTGAGE BANKING OPERATIONS - Sensitivity Analysis (Details) - Single family - USD ($) $ in Thousands | 6 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2022
Key economic assumptions and the sensitivity of the current fair value for single family MSRs |  |  |  |  |  |
Fair value of single family MSR | $ 73,725 | $ 74,056 | $ 74,249 | $ 76,314 | $ 75,701 | $ 76,617
Expected weighted-average life (in years) | 8 years 5 months 15 days |  |  |  |  |
Constant Prepayment Rate [Abstract] |  |  |  |  |  |
Impact on fair value of 25 basis points adverse change in interest rates | $ (648) |  |  |  |  |
Impact on fair value of 50 basis points adverse change in interest rates | (1,393) |  |  |  |  |
Discount Rate [Abstract] |  |  |  |  |  |
Impact on fair value of 100 basis points increase | (2,184) |  |  |  |  |
Impact on fair value of 200 basis points increase | $ (4,774) |  |  |  |  |

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