Investments in Joint Ventures and Variable Interest Entities (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Schedule of Equity Method Investments [Line Items]
Intangible assets, net	168,332	$ 186,667
Investments in joint ventures	18,180us-gaap_EquityMethodInvestments	14,032us-gaap_EquityMethodInvestments
Receivables, net	34,852us-gaap_ReceivablesNetCurrent	45,193us-gaap_ReceivablesNetCurrent
Other Affiliates [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint venture	50.00%
Smaller Casino Properties [Member]
Schedule of Equity Method Investments [Line Items]
Number of Investments	3
Ownership percentage in joint venture	50.00%
Losee Elkhorn Properties, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint venture	50.00%
Restaurants at Properties [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint venture	50.00%
MPM Enterprises, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint venture	50.00%
Variable Interest Entity, Not Primary Beneficiary [Member]
Schedule of Equity Method Investments [Line Items]
Investments in joint ventures	8,800	4,400
MPM Enterprises, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Intangible assets, net	31,900	42,100
Receivables, net	3,200	$ 2,100
Equity Method Investment Reduced Below Zero [Member] \| The Greens [Member]
Schedule of Equity Method Investments [Line Items]
Number of Investments	1

Number of Investments

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.

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