BALANCE SHEET DETAILS - Schedule of Components of Accrued Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Accrued payroll and related expenses	$ 23,696	$ 34,752
Accrued vacation	9,484	8,608
Accrued expenses	8,186	7,006
Claims payable	4,648	4,464
Accrued employee share purchase plan contributions	3,068	1,045
Accrued state and foreign income and sales taxes	2,939	2,388
Accrued professional services fees	2,586	7,234
Total accrued liabilities	54,607	$ 65,497
Transformation expenses	5,700
Increase to accrued payroll and related expenses	2,100
Increase to accrued professional service fees	$ 900