Accrued Expenses (Tables)

9 Months Ended

Sep. 30, 2023

Accrued Liabilities, Current [Abstract]

Schedule of accrued expenses

Accrued expenses consist of the following (in thousands):

	September 30, 2023		December 31, 2022
Compensation and related expenses	$	111,174	$	138,728
Performance awards	14,891		9,359
Direct project accruals	4,060		1,783
Other	7,795		5,994
Total accrued expenses	$	137,920	$	155,864