Segment and Geographic Information - Summary of Revenue by Geography (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenue by Geography
Revenue	$ 167,729	$ 145,072	$ 129,959
Domestic
Revenue by Geography
Revenue	119,646	108,556	97,111
International
Revenue by Geography
Revenue	$ 48,083	$ 36,516	$ 32,848

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ Details