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RESTRUCTURING AND FACILITIES CONSOLIDATION INITIATIVES - Narrative (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2022
USD ($)
employee
Mar. 31, 2021
USD ($)
Dec. 31, 2021
USD ($)
Restructuring Cost and Reserve [Line Items]      
Restructuring and related $ 4,814 $ 5,950  
Long-term portion of accrued restructuring 1,400   $ 1,600
Facilities      
Restructuring Cost and Reserve [Line Items]      
Accrual for future anticipated variable lease costs 1,400   1,600
2022 Restructuring Plan      
Restructuring Cost and Reserve [Line Items]      
Restructuring charges, net of adjustments $ 4,200    
Number of positions eliminated | employee 50    
2022 Restructuring Plan | Severance      
Restructuring Cost and Reserve [Line Items]      
Restructuring and related $ 4,179    
Accrual for future anticipated variable lease costs 3,814   $ 0
2020 Restructuring Plan | Severance      
Restructuring Cost and Reserve [Line Items]      
Accrual for future anticipated variable lease costs 800    
2019 Restructuring Plan | Facilities      
Restructuring Cost and Reserve [Line Items]      
Accrual for future anticipated variable lease costs $ 1,400    
2019 Restructuring Plan | Facilities | Minimum      
Restructuring Cost and Reserve [Line Items]      
Lease terms 1 year    
2019 Restructuring Plan | Facilities | Maximum      
Restructuring Cost and Reserve [Line Items]      
Lease terms 6 years