Revenue and Deferred Revenue

12 Months Ended

Dec. 31, 2021

Revenue From Contract With Customer [Abstract]

Revenue and Deferred Revenue

3. Revenue and Deferred Revenue

Disaggregated revenue

Revenue by sales channel was as follows:

	Year Ended December 31,
(in thousands)	2021		2020		2019
Self-serve revenue	$	301,097	$	267,703	$	241,986
Enterprise revenue		142,689		107,907		65,435
Revenue	$	443,786	$	375,610	$	307,421

Self-serve revenues are generated from products purchased independently through our website.

Enterprise revenues are generated from products sold to organizations through our sales team.

In addition, see Note 4 for information regarding the Company’s revenue by geographic area.

Deferred revenue

The Company recognized into revenue $167.1 million, $137.6 million and $101.1 million during the years ended December 31, 2021, 2020 and 2019, respectively, that was included in the deferred revenue balances at the beginning of each respective period.

Transaction price allocated to the remaining performance obligations

As of December 31, 2021, future estimated revenue related to non-cancelable performance obligations that are unsatisfied or partially unsatisfied at the end of the reporting period was $228.2 million. The substantial majority of the unsatisfied performance obligations will be satisfied over the next twelve months.