Income Taxes - Components of Income Tax Benefit (Provision) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Current:
Federal	$ (3,659)	$ (169)	$ 22
State	(1,718)	(839)	(310)
Deferred:
Federal	2,969	(2,334)	400
State	0	(64)	(20)
Income Tax (Provision) Benefit	$ (2,408)	$ (3,406)	$ 92