Income Taxes - Components of (Benefit) Provision for Income Taxes from Continuing Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Current income tax (benefit) provision:
Federal	$ (8)	$ 221	$ 0
State	72	149	145
Total current	64	370	145
Deferred income tax (benefit) expense:
Federal	(4,269)	(1,363)	238
State	(429)	(153)	24
Total deferred	(4,698)	(1,516)	262
Total income tax (benefit) provision	$ (4,634)	$ (1,146)	$ 407