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Organization (Details) (USD $)
0 Months Ended 0 Months Ended
Nov. 30, 2013
subsidiary
Nov. 30, 2013
Newport
employee
Nov. 30, 2013
Eldorado
Nov. 30, 2013
Eldorado
Tamarack Junction Casino and Restaurant
Nov. 30, 2013
Eldorado
96% owned subsidiary
Nov. 30, 2013
Eldorado
Silver Legacy Resort Casino
Dec. 14, 2007
Eldorado
Level 2
Aug. 02, 2011
Mesquite
Nov. 30, 2013
Mesquite
Aug. 02, 2011
Mesquite
NGOF
Aug. 02, 2011
Mesquite
NGCF
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   $ 7,222,222 $ 1,000,000
Equity method investee percentage ownership in JV       21.00%   50.00%          
Equity Investee Ownership Interest in Subsidiary         96.00%            
Number of employees   11