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Organization and Basis of Presentation (Details)
$ in Millions
12 Months Ended
Sep. 01, 2014
USD ($)
Dec. 31, 2015
item
Aug. 31, 2014
Aug. 30, 2014
Jul. 28, 1995
Jul. 27, 1995
Silver Legacy Joint Venture            
Organization and Basis of Presentation            
Ownership interest (as a percent)   50.00%     100.00% 48.10%
Galleon | Silver Legacy Joint Venture            
Organization and Basis of Presentation            
Ownership percentage allowed to be acquired         50.00%  
Resorts | Silver Legacy Joint Venture            
Organization and Basis of Presentation            
Ownership interest (as a percent)   48.10%        
Resorts | Tamarack            
Organization and Basis of Presentation            
Ownership interest (as a percent)     21.30% 21.30%    
Gain (loss) on distribution of interest in equity method investment $ 0.0          
Equity Method Investment Distributed Carrying Amount $ 5.5          
Eldorado Casino Shreveport Joint Venture            
Organization and Basis of Presentation            
Number of rooms in suite art deco-style hotel | item   403        
ELLC | Silver Legacy Joint Venture            
Organization and Basis of Presentation            
Ownership interest (as a percent)           50.00%