Other Long-Term Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Cash surrender value of corporate-owned life insurance policies	$ 5,276	$ 4,654
Deferred commissions	54,028	32,455
Restricted cash	57	62
Operating lease assets	23,270	22,308
Deferred implementation costs	3,915
Prepaid expenses, deposits and other	11,701	8,727
Total other long-term assets	98,247	$ 68,206
Government grant assets	900
Deferred implementation costs assets placed into service	4,300
Other Noncurrent Assets
Grant receivable	$ 500