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Product Sales (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Disaggregation of Revenue [Line Items]
Revenues	$ 803,395	$ 60,209	$ 135,068
Deferred revenue	3,867,193	63,310
Product sales
Disaggregation of Revenue [Line Items]
Revenues	199,872	0	0
Customer deposits
Disaggregation of Revenue [Line Items]
Deferred revenue	3,800,000
United States
Disaggregation of Revenue [Line Items]
Revenues	764,529	54,976	89,075
United States | Product sales
Disaggregation of Revenue [Line Items]
Revenues	193,630
Rest of world
Disaggregation of Revenue [Line Items]
Revenues	38,866	$ 5,233	$ 45,993
Rest of world | Product sales
Disaggregation of Revenue [Line Items]
Revenues	$ 6,242

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