Restatement (Details 2) - USD ($) $ / shares in Units, $ in Thousands	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014	Dec. 31, 2013
Current assets
Cash and cash equivalents	$ 223,489	$ 208,673	$ 230,707	$ 292,995
Receivables, net of allowance for doubtful accounts of $2,004	40,929	41,618
Prepaid expenses	66,150	70,785
Deferred income taxes	30,267	40,343
Other current assets	12,819	11,189
Total current assets	373,654	372,608
Property and equipment, net	3,029,375	2,669,732
Other assets
Investment in and advances to unconsolidated affiliates	171,904	179,551
Goodwill	911,923	874,184
Other intangible assets, net	431,876	419,453
Advances to Jamul Tribe	143,866	62,048
Other assets	79,408	87,318
Total other assets	1,738,977	1,622,554
Total assets	5,142,006	4,664,894
Current liabilities
Current portion of financing obligation to GLPI	49,352	46,884
Current maturities of long-term debt	87,801	30,853
Accounts payable	68,190	43,136
Accrued expenses	87,671	133,092
Accrued interest	8,861	5,163
Accrued salaries and wages	89,355	84,034
Gaming, pari-mutuel, property, and other taxes	68,594	51,972
Insurance financing	2,353	13,680
Other current liabilities	72,677	75,773
Total current liabilities	534,854	484,587
Long-term liabilities
Long-term financing obligation to GLPI, net of current portion	3,526,709	3,564,629
Long-term debt, net of current maturities and debt issuance costs	1,598,813	1,210,577
Deferred income taxes	131,092	78,633
Noncurrent tax liabilities	8,907	7,035
Other noncurrent liabilities	17,833	27,447
Total long-term liabilities	5,283,354	4,888,321
Shareholders' equity (deficit)
Common stock ($.01 par value, 200,000,000 shares authorized, 81,329,210 shares issued and 79,161,817 shares outstanding, at December 31, 2014)	$ 826	$ 813
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	82,682,474	81,329,210
Common stock, shares outstanding	80,515,081	79,161,817
Treasury stock, at cost (2,167,393 shares held at December 31, 2014)	$ (28,414)	$ (28,414)
Treasury stock, shares issued	2,167,393	2,167,393
Additional paid-in capital	$ 980,857	$ 956,146
Retained deficit	(1,625,525)	(1,635,277)
Accumulated other comprehensive (loss) income	(3,946)	(1,282)
Total shareholders' equity (deficit)	(676,202)	(708,014)	(562,264)	(550,852)
Total liabilities and shareholders' equity (deficit)	5,142,006	4,664,894
Receivables, net of allowance for doubtful accounts (in dollars)	$ 2,633	$ 2,004
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	82,682,474	81,329,210
Common stock, shares outstanding	80,515,081	79,161,817
Treasury stock, shares issued	2,167,393	2,167,393
Series C Preferred Stock
Shareholders' equity (deficit)
Series C Preferred stock ($.01 par value, 18,500 shares authorized, 8,624 shares issued and outstanding at December 31, 2014)
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	18,500	18,500
Preferred stock, shares issued	8,624	8,624
Preferred stock , shares outstanding (in shares)	8,624	8,624
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	18,500	18,500
Preferred stock, shares issued	8,624	8,624
Preferred Stock, Shares Outstanding	8,624	8,624
Previously Reported
Current assets
Cash and cash equivalents		$ 208,673	$ 230,707	$ 292,995
Receivables, net of allowance for doubtful accounts of $2,004		41,618
Prepaid expenses		68,947
Deferred income taxes		55,579
Other current assets		11,189
Total current assets		386,006
Property and equipment, net		769,145
Other assets
Investment in and advances to unconsolidated affiliates		179,551
Goodwill		277,582
Other intangible assets, net		370,562
Deferred income taxes		79,067
Advances to Jamul Tribe		62,048
Other assets		87,318
Total other assets		1,056,128
Total assets		2,211,279
Current liabilities
Current maturities of long-term debt		30,853
Accounts payable		43,136
Accrued expenses		130,818
Accrued interest		5,163
Accrued salaries and wages		84,034
Gaming, pari-mutuel, property, and other taxes		52,132
Insurance financing		13,680
Other current liabilities		75,703
Total current liabilities		435,519
Long-term liabilities
Long-term debt, net of current maturities and debt issuance costs		1,204,828
Noncurrent tax liabilities		8,188
Other noncurrent liabilities		8,258
Total long-term liabilities		1,221,274
Shareholders' equity (deficit)
Common stock ($.01 par value, 200,000,000 shares authorized, 81,329,210 shares issued and 79,161,817 shares outstanding, at December 31, 2014)		786
Additional paid-in capital		918,370
Retained deficit		(363,388)
Accumulated other comprehensive (loss) income		(1,282)
Total shareholders' equity (deficit)		554,486
Total liabilities and shareholders' equity (deficit)		$ 2,211,279
Previously Reported | Series C Preferred Stock
Shareholders' equity (deficit)
Series C Preferred stock ($.01 par value, 18,500 shares authorized, 8,624 shares issued and outstanding at December 31, 2014)
Restatement Adjustment
Current assets
Prepaid expenses		$ 1,838
Deferred income taxes		(15,236)
Total current assets		(13,398)
Property and equipment, net		1,900,587
Other assets
Goodwill		596,602
Other intangible assets, net		48,891
Deferred income taxes		(79,067)
Total other assets		566,426
Total assets		2,453,615
Current liabilities
Current portion of financing obligation to GLPI		46,884
Accrued expenses		2,274
Gaming, pari-mutuel, property, and other taxes		(160)
Other current liabilities		70
Total current liabilities		49,068
Long-term liabilities
Long-term financing obligation to GLPI, net of current portion		3,564,629
Long-term debt, net of current maturities and debt issuance costs		5,749
Deferred income taxes		78,633
Noncurrent tax liabilities		(1,153)
Other noncurrent liabilities		19,189
Total long-term liabilities		3,667,047
Shareholders' equity (deficit)
Common stock ($.01 par value, 200,000,000 shares authorized, 81,329,210 shares issued and 79,161,817 shares outstanding, at December 31, 2014)		27
Treasury stock, at cost (2,167,393 shares held at December 31, 2014)		(28,414)
Additional paid-in capital		37,776
Retained deficit		(1,271,889)
Total shareholders' equity (deficit)		(1,262,500)
Total liabilities and shareholders' equity (deficit)		$ 2,453,615
Restatement Adjustment | Series C Preferred Stock
Shareholders' equity (deficit)
Series C Preferred stock ($.01 par value, 18,500 shares authorized, 8,624 shares issued and outstanding at December 31, 2014)