Income Taxes - Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Current:
Federal	$ 0	$ 0
State	27	5
Total current	27	5
Deferred:
Federal	(117)	10
State	11	10
Total deferred	(106)	20
(Benefit) provision for income tax	$ (79)	$ 25