Accounts Receivable, Net (Tables)

9 Months Ended

Sep. 30, 2020

Receivables [Abstract]

Schedule of Accounts Receivable, Net

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

	September 30,			December 31,
	2020			2019
Trade accounts receivable	$	173,980		$	176,375
Unbilled revenue, at net realizable value		89,851			60,035
Total accounts receivable		263,831			236,410
Allowance for doubtful accounts		(14,945	)		(14,379	)
Accounts receivable, net	$	248,886		$	222,031

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

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

	September 30,
	2020
Balance at beginning of period	$	(14,379	)
Provision for losses		(6,658	)
Charge-offs, net of recoveries		6,092
Allowance for doubtful accounts	$	(14,945	)