Income Taxes (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Current:
Federal	$ 492	$ 1,934	$ 127
State and local	(12)	36	164
Foreign	3,007	4,205	3,181
Current Income Tax Expense (Benefit)	3,487	6,175	3,472
Deferred:
Federal	10,039	(3,376)	586
State and local	630	(46)	(35)
Foreign	(656)	(140)	(2,772)
Deferred income tax expense (benefit)	10,013	(3,562)	(2,221)
Total income tax expense	$ 13,500	$ 2,613	$ 1,251