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Organization (Details) (USD $)
0 Months Ended 6 Months Ended 0 Months Ended
Aug. 31, 2012
subsidiary
Aug. 31, 2012
Newport
employee
Aug. 31, 2012
Eldorado
Dec. 14, 2007
Eldorado
Aug. 01, 2011
Mesquite
Aug. 31, 2012
Mesquite
Aug. 31, 2011
Mesquite
Aug. 01, 2011
Mesquite
NGOF
Aug. 01, 2011
Mesquite
Newport
Aug. 31, 2012
Silver Legacy Resort Casino
Eldorado
Aug. 31, 2012
Tamarack Junction Casino and Restaurant
Eldorado
Schedule of Equity Method Investments [Line Items]                      
Number of wholly owned subsidiaries 2                    
Ownership percentage in equity method investment     17.0359%     40.00%          
Value of mortgage bonds and preferred equity interest       $ 38,314,863              
Cash payment to acquire equity method investment         $ 8,222,222 $ 0 $ 8,222,222 $ 7,222,222 $ 1,000,000    
Equity method investee percentage ownership in JV                   50.00% 21.00%
Number of employees   11