Income Taxes - Components Attributable to the Provision for Income Taxes (Details) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current:
Federal	$ 0	$ 0	$ 0
State	252	127	90
Foreign	0	0	0
Total current provision	252	127	90
Deferred:
Federal	(2,280)	0	0
State	(966)	0	0
Foreign	(142)	0	0
Total deferred benefit	(3,388)	0	0
Total (benefit) provision for income taxes	$ (3,136)	$ 127	$ 90