Contract Balances (Tables)

9 Months Ended

Sep. 30, 2022

Contract With Customer Asset And Liability [Abstract]

Schedule of Accounts Receivable

Accounts receivable (in thousands) consisted of the following, as of:

	September 30,			December 31,
	2022			2021
Billed and billable	$	113,031		$	192,055
Less: allowance for credit losses		(3,105	)		(2,775	)
Accounts receivable, net	$	109,926		$	189,280

Deferred Revenue and Advance Payments

Deferred revenue and advance payments (in thousands) from customers consisted of the following, as of:

	September 30,		December 31,
	2022		2021
Current:
Deferred product licenses revenue	$	442	$	993
Deferred subscription services revenue		38,272		35,589
Deferred product support revenue		123,203		166,477
Deferred other services revenue		4,017		6,801
Total current deferred revenue and advance payments	$	165,934	$	209,860
Non-current:
Deferred product licenses revenue	$	70	$	68
Deferred subscription services revenue		2,943		1,064
Deferred product support revenue		5,172		6,203
Deferred other services revenue		569		754
Total non-current deferred revenue and advance payments	$	8,754	$	8,089