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IMPAIRMENT AND RESTRUCTURING CHARGES - Narrative (Details) - USD ($) | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Feb. 28, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Impairment and restructuring charges |  | $ 0 | $ 0 | $ 0 | $ 26,608,000
Restructuring charges |  |  |  |  | 3,444,000
Reduction to leased square footage (percent) | 50.00% |  |  |  |
Impairment charges |  |  |  | 0 | 23,164,000
2022 Restructuring Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  |  | 0 |
Employee severance | 2022 Restructuring Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  |  | $ 0 | $ 3,400,000

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