Property and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Plant and equipment
Property and equipment, net	$ 2,694,942		$ 2,694,942		$ 2,669,732
Increase in property and equipment			2,694,942		2,669,732
Depreciation expense	62,300	$ 64,700	125,600	$ 129,500
Interest capitalized in connection with major construction projects	1,200	100	1,800	200
Hollywood Casino Lawrenceburg
Plant and equipment
Increase in property and equipment			25,200
Master Lease Agreement
Plant and equipment
Depreciation expense	23,200	$ 22,100	46,300	$ 44,400
Land and Land Improvements - non-leased
Plant and equipment
Property and equipment	56,702		56,702		42,350
Land and Land Improvements Leased
Plant and equipment
Property and equipment	382,566		382,566		382,702
Building and Building Improvements - non-leased
Plant and equipment
Property and equipment	294,187		294,187		173,043
Buildings and Building Improvements Leased
Plant and equipment
Property and equipment	2,219,018		2,219,018		2,219,018
Furniture and Fixtures
Plant and equipment
Property and equipment	1,259,639		1,259,639		1,213,143
Leasehold Improvements
Plant and equipment
Property and equipment	123,384		123,384		120,984
Construction in Progress
Plant and equipment
Property and equipment	8,820		8,820		69,367
Non-leased Assets
Plant and equipment
Property and equipment	1,742,732		1,742,732		1,618,887
Less accumulated depreciation	(1,040,643)		(1,040,643)		(988,490)
Property and equipment, net	702,089		702,089		630,397
Leased Assets
Plant and equipment
Property and equipment	2,601,584		2,601,584		2,601,720
Less accumulated depreciation	(608,731)		(608,731)		(562,385)
Property and equipment, net	$ 1,992,853		$ 1,992,853		$ 2,039,335