Accrued Expenses (Tables)

3 Months Ended

Mar. 31, 2021

Payables And Accruals [Abstract]

Schedule of Accrued Expenses

Accrued expenses consisted of the following (in thousands):

	As of
	March 31,		December 31,
	2021		2020
Employee compensation and benefits	$	29,004	$	40,208
Project related reimbursable expenses		86,044		87,092
Other		8,560		7,067
Total accrued expenses	$	123,608	$	134,367