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FAIR VALUE - Gains and Losses from Changes in Fair Value and Interest Income Included in Earnings (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Change in fair value | $ 3,416 | $ 4,543 | $ 9,923 | $ 11,021
Government guaranteed loan servicing rights |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Interest income |  |  | 5,978 | 3,151
Change in fair value |  |  | 9,923 | 11,021
Total gain, net |  |  | $ 15,901 | $ 14,172

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