Other Long-Term Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Mar. 31, 2022
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Cash surrender value of corporate-owned life insurance policies	$ 5,276	$ 4,912
Deferred commissions	54,028	55,114
Restricted cash	57	56
Operating lease assets	23,270	23,242
Deferred implementation costs	3,915	3,697
Prepaid expenses, deposits and other	11,701	10,982
Total other long-term assets	98,247	$ 98,003
Deferred implementation costs assets placed into service	$ 4,300