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Organization (Details)
Sep. 01, 2014
USD ($)
Aug. 01, 2011
USD ($)
Aug. 31, 2015
employee
subsidiary
golf_course
$ / shares
shares
Jul. 07, 2015
Sep. 19, 2014
$ / shares
shares
Aug. 31, 2014
Schedule of Equity Method Investments [Line Items]            
Number of wholly owned subsidiaries | subsidiary     2      
Number of championship golf courses | golf_course     2      
Newport            
Schedule of Equity Method Investments [Line Items]            
Number of employees | employee     10      
Eldorado            
Schedule of Equity Method Investments [Line Items]            
Equity method investee percentage ownership in JV (percent)     17.0359%      
Eldorado | 96% owned subsidiary            
Schedule of Equity Method Investments [Line Items]            
Equity investee ownership interest in subsidiary (percent)     96.00%      
Eldorado | Silver Legacy Resort Casino            
Schedule of Equity Method Investments [Line Items]            
Equity method investee percentage ownership in JV (percent)     50.00% 50.00%    
Mesquite            
Schedule of Equity Method Investments [Line Items]            
Ownership percentage in equity method investment (percent)     40.00%      
Common stock issued (shares) | shares     4,030,440   4,030,440  
Par value (usd per share) | $ / shares     $ 0.00001   $ 0.00001  
Equity method investee percentage ownership in JV (percent)     8.60%   8.60%  
Cash payment to acquire equity method investment   $ 8,222,222        
Mesquite | NGOF            
Schedule of Equity Method Investments [Line Items]            
Cash payment to acquire equity method investment   7,222,222        
Mesquite | NGCF            
Schedule of Equity Method Investments [Line Items]            
Cash payment to acquire equity method investment   $ 1,000,000        
Tamarack Crossing, LLC            
Schedule of Equity Method Investments [Line Items]            
Equity method investee percentage ownership in JV (percent)           21.25%
Proceeds from divestiture of interest in joint venture $ 1,350,000