Accounts Receivable, Net (Tables)

12 Months Ended

Dec. 31, 2022

Receivables [Abstract]

Schedule of Accounts Receivable, Net

Accounts receivable, net balances at December 31, 2022 and 2021 were as follows (in thousands):

	2022		2021
Trade accounts receivable	$	267,409	$	190,710
Unbilled revenue, at net realizable value	87,890		67,616
Total accounts receivable	355,299		258,326
Allowance for doubtful accounts	(20,801)		(16,158)
Accounts receivable, net	$	334,498	$	242,168

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

Changes in the allowance for doubtful accounts on accounts receivable are as follows (in thousands):

	2022		2021		2020
Balance at beginning of period	$	(16,158)	$	(14,894)	$	(14,379)
Provision	(13,545)		(9,422)		(9,323)
Charge-offs, net of recoveries	8,902		8,158		8,808
Balance at end of period	$	(20,801)	$	(16,158)	$	(14,894)