Description of Business and Summary of Significant Accounting Policies - Costs to Obtain and Fulfill a Contract (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Accounting Policies [Abstract]
Capitalized contract costs, net, current	$ 405	$ 910
Capitalized contract costs, net, noncurrent	903	912
Deferred Contract Costs [Roll Forward]
Balance, beginning of period	1,822	1,630
Costs recognized from the beginning balance	(618)	(534)
Additions, net of costs recognized	104	726
Balance, end of period	$ 1,308	$ 1,822