Income Taxes - Income Tax Expense (Benefit) from Continuing Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Current
Federal	$ 6,677	$ 8,298	$ 13,273
Foreign	504	(277)	629
State and local	943	(234)	2,170
Current Income Tax Expense (Benefit)	8,124	7,787	16,072
Deferred
Federal	(368)	(1,208)	(1,413)
Foreign	783	(710)	(920)
State and local	(730)	(747)	(396)
Deferred Income Tax Expense (Benefit)	$ (315)	$ (2,665)	$ (2,729)