Income Taxes - Schedule of Provision for Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Current:
State and local	$ 456	$ (45)	$ (2,551)	$ (215)
Federal	0	0	0	(5)
Income tax benefit (expense)	$ 456	$ (45)	$ (2,551)	$ (220)

Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

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