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FAIR VALUE MEASUREMENTS AND FINANCIAL INSTRUMENTS - Narrative (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Dec. 01, 2021 | Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |
Proceeds from the sale of business |  |  |  | $ 0 | $ 346
Customer Concentration Risk | Ocwen | Revenue |  |  |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |
Percentage of revenue from largest customer (in percent) |  | 43.00% | 45.00% | 43.00% | 40.00%
Pointillist, Inc. | Disposal Group, Held-for-sale, Not Discontinued Operations |  |  |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |
Proceeds from the sale of business | $ 3,500 |  |  |  |

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