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Revenues - Revenues By Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation of Revenue [Line Items]
Revenue from contract with customers	$ 231,989	$ 166,442	$ 645,803	$ 454,863
United States
Disaggregation of Revenue [Line Items]
Revenue from contract with customers	192,756	143,380	518,050	368,390
Other countries
Disaggregation of Revenue [Line Items]
Revenue from contract with customers	$ 39,233	$ 23,062	$ 127,753	$ 86,473
Revenue from Contract with Customer | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration risk (as a percentage)	100.00%	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)	83.00%	86.00%	80.00%	81.00%
Revenue from Contract with Customer | Geographic Concentration Risk | Other countries
Disaggregation of Revenue [Line Items]
Concentration risk (as a percentage)	17.00%	14.00%	20.00%	19.00%

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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