Property and Equipment, Net - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Property and Equipment
Gross property and equipment	$ 479,663	$ 487,899
Less: accumulated depreciation	(287,654)	(288,328)
Property and equipment, net	192,009	199,571
Land and land interests
Property and Equipment
Gross property and equipment	29,722	30,360
Buildings and leasehold improvements
Property and Equipment
Gross property and equipment	135,225	138,104
Equipment and other
Property and Equipment
Gross property and equipment	$ 314,716	$ 319,435