Property, Plant and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended									6 Months Ended			9 Months Ended			12 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Net	$ 177,433	$ 179,239	$ 175,991	$ 139,374	$ 135,464	$ 87,675				$ 179,239	$ 135,464		$ 177,433	$ 139,374		$ 179,614	$ 144,196	$ 82,108
Depreciation expenses	$ 5,100	$ 4,300	$ 5,000	$ 5,000	$ 3,600	$ 1,900	$ 1,700	$ 1,600	$ 1,600	$ 9,300	$ 5,500	$ 3,200	$ 14,400	$ 10,400	$ 4,900	19,900	14,200	$ 7,100
Outside the United States [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Net																$ 52,600	$ 25,600