Significant Accounting Policies - Schedule of Interest Income and Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Accounting Policies [Abstract]
Interest Income	$ 3,011	$ 2,768	$ 9,015	$ 9,841
Interest Expense	(2,334)	(3,848)	(7,954)	(11,540)
Interest, net	$ 677	$ (1,080)	$ 1,061	$ (1,699)