BALANCE SHEET DETAILS - Schedule of Accrued Liabilities Components (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Accrued payroll and related expenses	$ 38,458	$ 34,752
Accrued vacation	10,050	8,608
Accrued expenses	13,811	7,006
Claims payable	5,295	4,464
Accrued employee share purchase plan contributions	2,863	1,045
Accrued income and sales taxes	3,071	2,388
Accrued professional services fees	3,083	7,234
Total accrued liabilities	76,631	$ 65,497
Increase to accrued payroll and related expenses	$ 4,000