Revenue and Deferred Revenue - Summary of Disaggregated Revenue by Sales Channel (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation Of Revenue [Line Items]
Revenue	$ 443,786	$ 375,610	$ 307,421
Self-serve Revenue
Disaggregation Of Revenue [Line Items]
Revenue	301,097	267,703	241,986
Enterprise Revenue
Disaggregation Of Revenue [Line Items]
Revenue	$ 142,689	$ 107,907	$ 65,435