RESTRUCTURING CHARGES - Restructuring charges (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2023 |
Sep. 30, 2022 |
Sep. 30, 2023 |
Sep. 30, 2022 |
|
| Restructuring Cost and Reserve [Line Items] | ||||
| Total restructuring charges | $ 1,272 | $ 4,216 | $ 12,204 | $ 6,118 |
| Restructuring Incurred Cost Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed Flag | Total restructuring charges | Total restructuring charges | ||
| Costs to exit duplicative and loss-making contracts | ||||
| Restructuring Cost and Reserve [Line Items] | ||||
| Total restructuring charges | 886 | 0 | $ 8,925 | $ 0 |
| Workforce reduction | ||||
| Restructuring Cost and Reserve [Line Items] | ||||
| Total restructuring charges | 343 | 3,649 | 2,908 | 5,300 |
| Other restructuring costs | ||||
| Restructuring Cost and Reserve [Line Items] | ||||
| Total restructuring charges | $ 43 | $ 567 | $ 371 | $ 818 |