Revenue and Deferred Revenue - Summary of Disaggregated Revenue by Sales Channel (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation Of Revenue [Line Items]
Revenue	$ 121,375	$ 114,754	$ 358,524	$ 326,444
Self-serve revenue
Disaggregation Of Revenue [Line Items]
Revenue	74,629	77,134	226,488	223,708
Sales-assisted revenue
Disaggregation Of Revenue [Line Items]
Revenue	$ 46,746	$ 37,620	$ 132,036	$ 102,736