Commitments and Contingencies (Details) $ in Thousands		1 Months Ended		3 Months Ended	12 Months Ended
	Sep. 30, 2014 USD ($)	Oct. 31, 2005 a	Oct. 31, 2004 a	Dec. 31, 2014 USD ($)	Dec. 31, 2015 USD ($) a employee agreement item	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Capital Lease
Capital Lease Obligations				$ 35	$ 817	$ 35
Future Minimum Lease Payments - 2015					300
Interest reduced to arrive at Present Value of Minimum Lease Payments					100
Present Value of Minimum Lease Payments					800
Expenses under the terms of the ground lease
Loss on sale or disposal of property					$ (6)	(84)	$ (226)
Bond Requirements
Entity number of employees | employee					7,800
Number of collective bargaining agreements | agreement					11
Number of employees covered under collective bargaining agreements | employee					1,100
Environmental Remediation
Amount of Environmental Risk Insurance Policy purchased					$ 10,000
Regulatory Gaming Assessments
Borrowings to fund initial development of gaming					99,900
Estimated total obligation for assessments				5,000	4,300	5,000
Obligations paid	$ 100			$ 100	400
C. S. & Y. Associates
Future minimum payments under non-cancellable operating leases
Rental Expense					600	600	600
Expenses under the terms of the ground lease
Base Rental					$ 600	600	600
Regulatory Gaming Assessments
Area of real property leased | a					30,000
Shreveport Ground Operating Lease
Future minimum payments under non-cancellable operating leases
2016					$ 2,782
2017					2,034
2018					1,702
2019					1,466
2020					1,287
Thereafter					25,942
Total					35,213
Other Operating Leases [Member]
Future minimum payments under non-cancellable operating leases
Rental Expense					3,700	2,300	1,600
Expenses under the terms of the ground lease
Base Rental					3,700	2,300	1,600
Initial funding by Pennsylvania General Fund
Regulatory Gaming Assessments
Borrowings to fund initial development of gaming					36,100
Additional funding by Pennsylvania Property Tax Relief Reserve Fund
Regulatory Gaming Assessments
Borrowings to fund initial development of gaming					63,800
MTR Gaming
Environmental Remediation
Area of real property sold (in acres) | a		205
MTR Gaming | Initial funding by Pennsylvania General Fund
Regulatory Gaming Assessments
Estimated total proportionate share of assessment upon gaming facilities					$ 2,100
MTR Gaming | Additional funding by Pennsylvania Property Tax Relief Reserve Fund
Regulatory Gaming Assessments
Period for quarterly payments of proportionate share of funding for assessments					10 years
Presque Isle Downs
Bond Requirements
Posted surety bond amount					$ 1,000
Environmental Remediation
Area of real property acquired (in acres) | a			229
Scioto Downs
Bond Requirements
Posted surety bond amount					$ 1,000
The borrowers | Initial funding by Pennsylvania General Fund
Regulatory Gaming Assessments
Number of licensees operational after which repayment of borrowing from General Fund would commence | item					14
Eldorado Shreveport
Future minimum payments under non-cancellable operating leases
Rental Expense					$ 500
Expenses under the terms of the ground lease
Base Rent					585	585	585
Percentage Rent					1,363	1,336	1,400
Total					1,948	1,921	1,985
Payment in lieu of admissions fees and school taxes					$ 5,985	$ 5,908	$ 6,154
Lease term					10 years
Renewal Term					40 years
Base Rental					$ 500
Louisiana Partnership
Expenses under the terms of the ground lease
Base Rent					$ 400
Initial Renewal Term					5 years
Rent Escalation Percentage					15.00%
Mountaineer
Bond Requirements
Posted surety bond amount					$ 1,100