Accounts Receivable, Net (Tables)

6 Months Ended

Jun. 30, 2020

Receivables [Abstract]

Schedule of Accounts Receivable, Net

Accounts receivable, net, at June 30, 2020 and December 31, 2019 were as follows (in thousands):

	June 30,			December 31,
	2020			2019
Trade accounts receivable	$	197,725		$	176,375
Unbilled revenue, at net realizable value		85,845			60,035
Total accounts receivable		283,570			236,410
Allowance for doubtful accounts		(16,372	)		(14,379	)
Accounts receivable, net	$	267,198		$	222,031

Schedule of Changes in the Allowance for Doubtful Accounts on Accounts Receivable

Changes to the allowance for doubtful accounts for the six months ended June 30, 2020 are as follows (in thousands):

	June 30,
	2020
Balance at beginning of period	$	(14,379	)
Provision for losses		(4,982	)
Charge-offs, net of recoveries		2,989
Allowance for doubtful accounts	$	(16,372	)