Income Taxes - Components of Income Tax (Benefit) Expense (Details) - USD ($) $ in Thousands	3 Months Ended				12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Income tax (benefit) expense
Current Federal Tax Expense (Benefit)					$ 171	$ 21
Current State and Local Tax Expense (Benefit)					2	16
Deferred					(1,969)	(5,176)
Income tax (benefit) expense	$ (1,881)	$ 25	$ 60	$ (5,139)	$ (1,796)	$ (5,139)