Property and Equipment (Details) (USD $)	Jun. 30, 2014	Dec. 31, 2013
Property and Equipment
Property and equipment, at cost	$ 3,159,166,000	$ 3,168,088,000
Less: accumulated depreciation	(623,339,000)	(600,555,000)
Property and equipment, net	2,535,827,000	2,567,533,000
Other accrued liabilities	5,000,000	8,600,000
Land [Member]
Property and Equipment
Property and equipment, at cost	385,456,000	394,957,000
Land improvements [Member]
Property and Equipment
Property and equipment, at cost	7,994,000	7,994,000
Buildings [Member]
Property and Equipment
Property and equipment, at cost	2,312,806,000	2,321,666,000
Furniture, fixtures, and equipment [Member]
Property and Equipment
Property and equipment, at cost	442,224,000	421,230,000
CIP [Member]
Property and Equipment
Property and equipment, at cost	$ 10,686,000	$ 22,241,000