Property and Equipment, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Abstract]
Depreciation	$ 73,700	$ 68,300	$ 60,800
Property and equipment, net included in discontinued operations			1,700
Gain on sale of property and equipment	$ (24)	$ 13,866	$ 0