Provision for Income Taxes - Components of Loss Before Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income (Loss) Before Taxes [Line Items]
Loss before income taxes	$ (111,103)	$ (136,204)	$ (83,364)
U.S.
Income (Loss) Before Taxes [Line Items]
Loss before income taxes	(114,127)	(138,119)
Non-U.S.
Income (Loss) Before Taxes [Line Items]
Loss before income taxes	$ 3,024	$ 1,915