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Organization and Basis of Presentation (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
USD ($)
Jun. 30, 2015
USD ($)
Jun. 30, 2016
USD ($)
segment
location
item
Jun. 30, 2015
USD ($)
Nov. 24, 2015
Nov. 23, 2015
Jul. 28, 1995
Jul. 26, 1995
Feb. 28, 1994
Organization and Basis of Presentation                  
Ownership percentage allowed to be acquired         50.00%        
Number of geographical regions | location     3            
Number of reportable segments | segment     3            
Income tax benefit $ 5,980 $ 1,032 $ 7,816 $ 2,048          
Excess tax benefit $ (300) $ 0 $ 700 $ 0          
Silver Legacy Joint Venture                  
Organization and Basis of Presentation                  
Ownership interest (as a percent) 50.00%   50.00%       100.00% 48.10%  
Resorts | Silver Legacy Joint Venture                  
Organization and Basis of Presentation                  
Ownership interest (as a percent)           48.10%      
Eldorado Casino Shreveport Joint Venture                  
Organization and Basis of Presentation                  
Number of rooms in suite art deco-style hotel | item     403            
ELLC                  
Organization and Basis of Presentation                  
Ownership percentage allowed to be acquired         3.80%   3.80%    
ELLC | Silver Legacy Joint Venture                  
Organization and Basis of Presentation                  
Ownership percentage allowed to be acquired             50.00%    
Ownership interest (as a percent)                 50.00%