Property and Equipment, Net (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Property, Plant and Equipment [Line Items]
Depreciation	$ 18,800	$ 17,500	$ 56,000	$ 48,500
Gain (Loss) on Disposition of Property Plant Equipment		$ 13,900	$ 91	13,858
Real Estate [Member]
Property, Plant and Equipment [Line Items]
Gain (Loss) on Disposition of Property Plant Equipment				$ 13,900