Revenue Recognition and Deferred Costs - Schedule of Disaggregate Revenue by Major Source (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation Of Revenue [Line Items]
Total revenue	$ 219,855	$ 152,368	$ 112,103
Subscription Solutions
Disaggregation Of Revenue [Line Items]
Total revenue	154,933	103,706	82,689
Partner and Services
Disaggregation Of Revenue [Line Items]
Total revenue	$ 64,922	$ 48,662	$ 29,414