Income Taxes - Schedule of Income (Loss) Before Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Domestic	$ (524,440)	$ (445,370)	$ (441,494)
Foreign	1,160	1,423	1,440
Loss before provision for income taxes	$ (523,280)	$ (443,947)	$ (440,054)