Accounts Receivable, Net

3 Months Ended

Mar. 31, 2019

Receivables [Abstract]

Accounts Receivable, Net

Note 4. Accounts Receivable, Net

Accounts receivable, net balances at March 31, 2019 and December 31, 2018 were as follows (in thousands):

	March 31,			December 31,
	2019			2018
Trade accounts receivable	$	167,624		$	159,992
Unbilled revenue		109,384			60,684
Total accounts receivable		277,008			220,676
Allowance for doubtful accounts		(12,574	)		(13,389	)
Accounts receivable, net	$	264,434		$	207,287