Accounts Receivable, Net

9 Months Ended

Sep. 30, 2018

Receivables [Abstract]

Accounts Receivable, Net

Note 4. Accounts Receivable, Net

Accounts receivable, net, at September 30, 2018 and December 31, 2017 were as follows (in thousands):

	September 30,			December 31,
	2018			2017
Trade accounts receivable	$	155,521		$	139,730
Unbilled revenue, at net realizable value		93,428			62,397
Total accounts receivable		248,949			202,127
Allowance for doubtful accounts		(14,043	)		(13,827	)
Accounts receivable, net	$	234,906		$	188,300