Accounts Receivable, Net (Tables)

6 Months Ended

Jun. 30, 2019

Receivables [Abstract]

Schedule of Accounts Receivable

Accounts receivable consists of the following (in thousands):

	June 30, 2019			December 31, 2018
Trade accounts receivable	$	164,429		$	124,609
Costs in excess of billings	23,562			22,634
Total accounts receivables	187,991			147,243
Less allowance for doubtful accounts	(7,290		)	(6,960		)
Accounts receivable	$	180,701		$	140,283