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Property and Equipment - Narrative (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 29, 2016
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Property Plant And Equipment [Line Items]                        
Depreciation expense                   $ 33,600 $ 28,100 $ 28,100
Non-cash increases property and equipment acquired under capital leases                   1,200 1,000 900
Non-cash increases property and equipment purchases in accounts payable and accrued liabilities                   900 2,300 800
Asset Impairment Charges   $ 98 $ 120 $ 0 $ 0 $ 96 $ 0 $ 0 $ 0 218 96 884
Mount Royal Hotel                        
Property Plant And Equipment [Line Items]                        
Asset impairment loss $ 2,200                      
Offsetting impairment recovery $ 2,200                      
Pursuit                        
Property Plant And Equipment [Line Items]                        
Asset Impairment Charges                   $ 200 $ 100  
GES                        
Property Plant And Equipment [Line Items]                        
Asset Impairment Charges                       $ 900