Income Taxes - Components of Provision (Benefit) for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Current:
Federal	$ (91)	$ 239	$ 92
State	288	334	228
Total current	197	573	320
Deferred:
Federal	5,864	5,858	(10,681)
State	475	896	(2,037)
Total deferred	6,339	6,754	(12,718)
Total income tax (benefit) expense	$ 6,536	$ 7,327	$ (12,398)