Income Taxes - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Operating Loss Carryforwards [Line Items]
State and local	$ 10	$ (65)	$ 21	$ 45
Current income tax expense (benefit)	11	$ (651)	22	$ 272
U.S. Federal, State and Local tax authorities
Operating Loss Carryforwards [Line Items]
Operating loss carry-forward					$ 69,100
Operating loss carry-forward available	$ 6,000		$ 6,000		$ 14,800