Contract Receivables, Net (Tables)

9 Months Ended

Sep. 30, 2018

Receivables [Abstract]

Summary of Contract Receivables, Net

Contract receivables, net consisted of the following: 

	September 30, 2018			December 31, 2017
Billed and billable	$	198,204		$	172,171
Allowance for doubtful accounts		(4,002	)		(3,853	)
Contract receivables, net	$	194,202		$	168,318