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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 |

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