Income Taxes - Schedule 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	50	165	139
Foreign	609	364	495
Total current income tax expense	659	529	634
Deferred:
Federal	0	0	0
State	0	0	0
Foreign	(102)	(36)	(21)
Total deferred income tax expense	(102)	(36)	(21)
Provision for income taxes	$ 557	$ 493	$ 613