Revenue - Capitalized Contract Costs (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Capitalized Contract Cost Activity [Roll Forward]
Beginning balance	$ 12,213	$ 8,856	$ 8,856
Capitalization of contract acquisition costs	1,683		6,193
Amortization of deferred contract acquisition costs	(1,006)	$ (706)	(3,220)
Impacts of foreign currency translation	45		384
Ending balance	12,935		12,213
Deferred contract acquisition costs, current	3,698		3,464
Deferred contract acquisition costs, noncurrent	$ 9,237		$ 8,749