Income Taxes - (Benefit) Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current
Federal	$ 0	$ (646)	$ 0
State	0	0	0
Current, total	0	(646)	0
Deferred
Federal	0	0	0
State	0	0	0
Deferred, total	0	0	0
Total (benefit) provision	$ 0	$ (646)	$ 0

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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