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Real Estate Investment Properties, net - Additional Information (Detail)
12 Months Ended
Dec. 31, 2016
USD ($)
Property
Dec. 31, 2015
USD ($)
Property
Tenant
Dec. 31, 2014
USD ($)
Nov. 30, 2016
Property
Real Estate Properties [Line Items]        
Depreciation and amortization expenses $ 66,792,000 $ 83,481,000 $ 98,664,000  
Impairment provisions 8,142,000 $ 124,873,000 30,428,000  
Attractions Properties        
Real Estate Properties [Line Items]        
Number of tenants | Tenant   1    
Number of real estate properties | Property   3    
Impairment provisions   $ 123,100,000    
Ski and Mountain Lifestyle Properties        
Real Estate Properties [Line Items]        
Impairment provisions $ 8,100,000      
Ski and Mountain Lifestyle Properties | Assets Held-for-sale        
Real Estate Properties [Line Items]        
Number of properties held for sale | Property 36     36
Real Estate investment properties, net        
Real Estate Properties [Line Items]        
Impairment provisions     0  
Continuing Operations        
Real Estate Properties [Line Items]        
Depreciation and amortization expenses $ 66,200,000 $ 82,800,000 $ 98,000,000