Revenues - Revenues By Geographic Area (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Revenue from contract with customers	$ 863,381	$ 681,003	$ 530,860
United States
Disaggregation of Revenue [Line Items]
Revenue from contract with customers	686,914	535,079	446,100
Other countries
Disaggregation of Revenue [Line Items]
Revenue from contract with customers	$ 176,467	$ 145,924	$ 84,760
Revenue from Contract with Customer \| Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration risk (as a percentage)	100.00%	100.00%	100.00%
Revenue from Contract with Customer \| Geographic Concentration Risk \| United States
Disaggregation of Revenue [Line Items]
Concentration risk (as a percentage)	80.00%	79.00%	84.00%
Revenue from Contract with Customer \| Geographic Concentration Risk \| Other countries
Disaggregation of Revenue [Line Items]
Concentration risk (as a percentage)	20.00%	21.00%	16.00%

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