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Basis of Preparation - Additional Information (Detail) - $ / $
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Apr. 24, 2020
Jan. 01, 2019
Disclosure of detailed information about investment property [line items]          
Conversion rate of Mexican pesos to U.S. dollars 18.8600        
Description of significant influence If the Company holds, directly or indirectly, 20 per cent or more of the voting power of the investee, it is presumed that it has significant influence, unless it can be clearly demonstrated that this is not the case. If the Company holds, directly or indirectly, less than 20 per cent of the voting power of the investee, it is presumed that the Company does not have significant influence, unless such influence can be clearly demonstrated.        
Weighted average incremental borrowing rate         9.84%
Changes in foreign exchange rates [member]          
Disclosure of detailed information about investment property [line items]          
Conversion rate of Mexican pesos to U.S. dollars       24.8225  
Increase decrease in foreign currency exchange rate       32.00%  
CCFPI [member]          
Disclosure of detailed information about investment property [line items]          
Percentage of ownership interest in joint venture     51.00%    
Percentage of ownership interest in joint venture to be acquired     49.00%    
Sale of ownership percentage   51.00%