Revenue Recognition - Summary of Revenues Disaggregated by Geography (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Disaggregation Of Revenue [Line Items]
Revenue	$ 86,649	$ 65,377	$ 168,859	$ 124,277
United States
Disaggregation Of Revenue [Line Items]
Revenue	62,290	51,017	119,755	97,966
International
Disaggregation Of Revenue [Line Items]
Revenue	$ 24,359	$ 14,360	$ 49,104	$ 26,311

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.

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+ Details