Revenue (Tables)

12 Months Ended

Dec. 31, 2022

Revenue from Contract with Customer [Abstract]

Summary of Total Receivables, Net

Total receivables, net is comprised of the following (in thousands):

	December 31,
	2022		2021
Billed receivables	$	218,611	$	162,479
Allowance for doubtful accounts	(3,779)		(2,861)
Billed receivables, net	214,832		159,618
Current accrued receivables, net	188,949		160,787
Long-term accrued receivables, net	297,818		276,164
Total accrued receivables, net	486,767		436,951
Total receivables, net	$	701,599	$	596,569

Summary of Allowance for Doubtful Accounts Receivable

The following reflects activity in the Company’s allowance for doubtful accounts receivable for the periods indicated (in thousands):

	Years Ended December 31,
	2022		2021		2020
Balance, beginning of period	$	(2,861)	$	(3,912)	$	(5,149)
Provision (increase) decrease	(1,496)		1,125		374
Amounts written off, net of recoveries	389		(82)		941
Foreign currency translation adjustments and other	189		8		(78)
Balance, end of period	$	(3,779)	$	(2,861)	$	(3,912)

Summary of Changes in Deferred Revenue

Changes in deferred revenue were as follows (in thousands):

Balance, December 31, 2020	$	129,413
Deferral of revenue	154,419
Recognition of deferred revenue	(171,530)
Foreign currency translation	(1,952)
Balance, December 31, 2021	110,350
Deferral of revenue	125,865
Recognition of deferred revenue	(128,700)
Divestiture	(21,581)
Foreign currency translation	(4,398)
Balance, December 31, 2022	$	81,536