Income Taxes - Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Current provision (benefit) :
Federal	$ (49)	$ 274	$ 17
State	(86)	472	522
Total current	(135)	746	539
Deferred provision (benefit):
Federal	50	6,585	(1,284)
State	(665)	(588)	(285)
Total deferred	(615)	5,997	(1,569)
Provision (benefit) for income taxes of continuing operations	$ (750)	$ 6,743	$ (1,030)