Long-term Debt (Details 2) (USD $)	3 Months Ended		9 Months Ended							0 Months Ended				0 Months Ended				0 Months Ended								3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Sep. 30, 2014 Plainridge Racecourse [Member]	Sep. 30, 2014 Hollywood Gaming at Dayton Raceway And Mahoning Valley Race Course	Sep. 30, 2014 New Senior Secured Credit Facility	Dec. 31, 2013 New Senior Secured Credit Facility	Oct. 30, 2013 Revolving credit facility	Sep. 30, 2014 Revolving credit facility	Dec. 31, 2013 Revolving credit facility	Oct. 30, 2013 Revolving credit facility	Oct. 30, 2013 Term Loan A Facility	Sep. 30, 2014 Term Loan A Facility	Dec. 31, 2013 Term Loan A Facility	Oct. 30, 2013 Term Loan A Facility	Oct. 30, 2013 Term Loan B Facility	Sep. 30, 2014 Term Loan B Facility	Dec. 31, 2013 Term Loan B Facility	Oct. 30, 2013 Term Loan B Facility	Sep. 30, 2014 Senior Secured Credit Facility	Dec. 31, 2013 Senior Secured Credit Facility	Sep. 30, 2014 Senior Unsecured 5.875% Percent Notes	Dec. 31, 2013 Senior Unsecured 5.875% Percent Notes	Sep. 30, 2014 Other Long Term Obligation item	Sep. 30, 2014 Other Long Term Obligation
Future minimum repayments of long-term debt
Within one year	$ 30,547,000		$ 30,547,000
1-3 years	112,819,000		112,819,000
3-5 years	454,720,000		454,720,000
Over 5 years	632,407,000		632,407,000
Total minimum payments	1,230,493,000		1,230,493,000
Long-term Debt
Term of debt										5 years				5 years				7 years
Maximum borrowing capacity													500,000,000				500,000,000				250,000,000
Term loan amount outstanding								774,400,000	750,000,000		45,000,000	0			481,300,000	500,000,000			248,100,000	250,000,000
Debt instrument interest rate stated percentage																								5.875%
Debt	1,230,493,000		1,230,493,000		1,052,015,000																	774,375,000	750,000,000	300,000,000	300,000,000	153,956,000	153,956,000
Letters of credit outstanding								22,800,000	22,100,000
Available borrowing capacity								432,200,000	477,900,000
Other long term obligations						18,500,000	135,500,000																			154,000,000	154,000,000
Relocation fee payable upon opening of the facility																										7,500,000	7,500,000
Number of semi-annual payments																										18
Semi-annual payment amount beginning one year from the commencement of operation																										4,800,000
Effective yield																										4.90%	4.90%
Interest expense	$ 11,189,000	$ 25,060,000	$ 33,376,000	$ 80,044,000																						$ 500,000	$ 500,000