Contract Balances (Tables)

12 Months Ended

Dec. 31, 2022

Contract With Customer Asset And Liability [Abstract]

Schedule of Accounts Receivable

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

	December 31,
	2022			2021
Billed and billable	$	191,844		$	192,055
Less: allowance for credit losses		(2,564	)		(2,775	)
Accounts receivable, net	$	189,280		$	189,280

Deferred Revenue and Advance Payments

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

	December 31,
	2022		2021
Current:
Deferred product licenses revenue	$	2,825	$	993
Deferred subscription services revenue		51,861		35,589
Deferred product support revenue		155,366		166,477
Deferred other services revenue		7,376		6,801
Total current deferred revenue and advance payments	$	217,428	$	209,860
Non-current:
Deferred product licenses revenue	$	2,742	$	68
Deferred subscription services revenue		3,030		1,064
Deferred product support revenue		6,387		6,203
Deferred other services revenue		604		754
Total non-current deferred revenue and advance payments	$	12,763	$	8,089