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Related Party Transactions - Narrative (Details) - USD ($)
$ in Thousands, shares in Millions
3 Months Ended 12 Months Ended
Sep. 30, 2013
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Related Party Transaction [Line Items]        
Sales to related parties       $ 1,600
Employee termination benefits   $ 12,451 $ 8,874 122,505
Employee Severance        
Related Party Transaction [Line Items]        
Employee termination benefits   12,500   23,200
Former Chairman and CEO Severance        
Related Party Transaction [Line Items]        
Employee termination benefits $ 57,900      
Severance, compensation cost of accelerated shares $ 36,800      
Severance, number of accelerated shares 6.3      
Severance liability   1,500    
Annual Sponsorship Amount        
Related Party Transaction [Line Items]        
Sponsorship fees       $ 3,300
Annual Lease Obligation to Related Party        
Related Party Transaction [Line Items]        
Related party transaction amounts   500    
Leasehold Improvements under Lease with Related Party        
Related Party Transaction [Line Items]        
Related party transaction amounts   $ 3,300    
Gulf Properties | Employee Severance        
Related Party Transaction [Line Items]        
Employee termination benefits     $ 8,900