Revenue and Deferred Revenue (Tables)

12 Months Ended

Dec. 31, 2020

Revenue From Contract With Customer [Abstract]

Summary of Disaggregated Revenue by Sales Channel

Revenue by sales channel was as follows:

	Year Ended December 31,
(in thousands)	2020		2019		2018
Self-serve revenue	$	267,703	$	241,986	$	220,822
Enterprise revenue		107,907		65,435		33,502
Revenue	$	375,610	$	307,421	$	254,324