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Cost Method Investments (Details Textual) - USD ($)
3 Months Ended 12 Months Ended
Oct. 17, 2014
Apr. 21, 2014
May 22, 2013
Mar. 29, 2015
Sep. 28, 2014
Dec. 31, 2016
Dec. 31, 2015
Dec. 28, 2014
Dec. 29, 2013
Oct. 02, 2011
Jun. 03, 2011
Schedule Of Cost Method Investments [Line Items]                      
Payments to Acquire Property, Plant, and Equipment           $ 30,634,000 $ 7,946,000 $ 4,516,000      
Dania Entertainment Holdings [Member]                      
Schedule Of Cost Method Investments [Line Items]                      
Cost method investment, ownership percentage                 20.00%    
Notes, Loans and Financing Receivable, Net, Current                   $ 0 $ 4,000,000
Dania Entertainment Holdings [Member]                      
Schedule Of Cost Method Investments [Line Items]                      
Payments to Acquire Property, Plant, and Equipment     $ 65,500,000                
Rock Ohio Ventures [Member]                      
Schedule Of Cost Method Investments [Line Items]                      
Cost method investment, ownership percentage               10.00%      
Cost Method Investments               $ 21,000,000      
Cost Method Investments, Fair Value Disclosure         $ 0            
Cost-method Investments, Other than Temporary Impairment         $ 21,000,000            
Cost-method Investments, Realized Gain (Loss)       $ 800,000              
Dania Entertainment Holdings [Member]                      
Schedule Of Cost Method Investments [Line Items]                      
Cost method investment, ownership percentage   5.00%                  
Cost Method Investments, Fair Value Disclosure   $ 2,600,000                  
Cost-method Investments, Realized Gain (Loss)               $ 2,400,000      
Proceeds from Divestiture of Interest in Subsidiaries and Affiliates $ 1,400,000 $ 1,000,000                  
Cost Method Investment, Percentage Sold   40.00%