Geographic Information - Schedule of Revenue from External Customers by Geographic Area (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]
Revenues	$ 872,662	$ 647,899	$ 290,783
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	805,070	563,157	218,380
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	45,216	51,531	51,450
Rest of the world
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 22,376	$ 33,211	$ 20,953