Accrued Expenses (Tables)

3 Months Ended

Mar. 31, 2018

Payables And Accruals [Abstract]

Schedule of Accrued Expenses

Accrued expenses consisted of the following (in thousands):

	As of
	March 31,		December 31,
	2018		2017
Employee compensation and benefits	$	14,170	$	19,707
Project related reimbursable expenses		45,145		-
Other		4,261		3,966
Total accrued expenses	$	63,576	$	23,673