Investment in Eldorado Narrative (Details) (USD $)	12 Months Ended
	Feb. 28, 2013	Feb. 28, 2011	Dec. 14, 2007
Schedule of Equity Method Investments [Line Items]
Preferred shares of the co-issuer of the mortgage bonds			11,000
Debt instrument face amount			$ 38,045,363
Eldorado
Schedule of Equity Method Investments [Line Items]
Ownership percentage in equity method investment	17.0359%
Difference between carrying value and fair value			14,800,000
Intangible assets			16,100,000
Indefinite-lived intangible assets			15,400,000
Finite-lived intangible assets			800,000
Annual amortization of acquired intangible assets	108,000
Amortization period	7 years
Impairment charges incurred to date		3,600,000
Eldorado | Level 2
Schedule of Equity Method Investments [Line Items]
Aggregate cost			$ 38,314,863
Eldorado | Resorts
Schedule of Equity Method Investments [Line Items]
Percentage stake acquired from third party by Eldorado	85.00%
Ownership percentage acquired from Resorts	14.47%
Eldorado | Carano
Schedule of Equity Method Investments [Line Items]
Ownership percentage acquired from Resorts	2.5659%
Eldorado | Carano or Members of his family
Schedule of Equity Method Investments [Line Items]
Ownership percentage in equity investee by third party	51.00%