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FAIR VALUE MEASUREMENTS - Narrative (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2022 USD ($) | Sep. 30, 2021 USD ($) | Sep. 30, 2022 USD ($) security | Sep. 30, 2021 USD ($) | Dec. 31, 2021 USD ($) | Jan. 01, 2020 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Number of trading securities in the portfolio | security |  |  | 1 |  |  |
Retained earnings write-down | $ 93,820 |  | $ 93,820 |  | $ 139,383 |
Continuing Operations |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Payments for origination of mortgage loans held-for-sale | 6,000 | $ 24,000 | 16,100 | $ 84,400 |  |
Proceeds from sale and collection of loans held-for-sale | 6,500 | 22,500 | 21,600 | 90,800 |  |
Continuing Operations | Loans Held for Sale |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Losses (gains) in fair value of loans held for sale included in earnings | $ 12 | $ (17) | $ 173 | $ 217 |  |
Impact of ASC 326 Adoption | Accounting Standards Update 2016-13 | Loans Held for Investment |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Retained earnings write-down |  |  |  |  |  | $ 11,200

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