Income Taxes - Components of Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current:
Federal	$ 0	$ 0	$ 0
State	(63)	(31)	(31)
Foreign	167	(2,314)	(568)
Total current tax (expense) benefit	104	(2,345)	(599)
Deferred:
State	0	0	0
Foreign	4,319	3,426	2,514
Total deferred benefit	4,319	3,426	2,514
Total benefit for income taxes	$ 4,423	$ 1,081	$ 1,915