Property and Equipment - Schedule of Property and Equipment (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Property and Equipment
Gross property and equipment	$ 442,230	$ 457,944
Less: accumulated depreciation	(262,397)	(267,614)
Property and equipment, net	179,833	190,330
Land and land interests
Property and Equipment
Gross property and equipment	23,258	23,646
Buildings and leasehold improvements
Property and Equipment
Gross property and equipment	129,431	139,889
Equipment and other
Property and Equipment
Gross property and equipment	$ 289,541	$ 294,409