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Segment and Geographic Information - Schedule of Geographic Revenue Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]
Foreign revenues	$ 892,020	$ 280,067	$ 406,133
Total Revenue | Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage (or more)	100.00%	100.00%	100.00%
Japan
Revenues from External Customers and Long-Lived Assets [Line Items]
Foreign revenues	$ 114,195	$ 85,833	$ 88,513
Japan | Total Revenue | Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage (or more)	13.00%	31.00%	22.00%
Korea
Revenues from External Customers and Long-Lived Assets [Line Items]
Foreign revenues	$ 110,782	$ 74,790	$ 209,245
Korea | Total Revenue | Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage (or more)	12.00%	27.00%	51.00%
U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Foreign revenues	$ 548,857	$ 74,469	$ 53,245
U.S. | Total Revenue | Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage (or more)	62.00%	26.00%	13.00%
Europe and Middle East
Revenues from External Customers and Long-Lived Assets [Line Items]
Foreign revenues	$ 38,830	$ 19,638	$ 31,864
Europe and Middle East | Total Revenue | Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage (or more)	4.00%	7.00%	8.00%
Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Foreign revenues	$ 79,356	$ 25,337	$ 23,266
Other | Total Revenue | Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage (or more)	9.00%	9.00%	6.00%

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