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Significant Accounting Policies - Summary of Average Exchange Rate (Detail)
 12 Months Ended
Dec. 31, 2020
$ / $
Dec. 31, 2019
Dec. 31, 2018
Disclosure of foreign exchange rates [line items]      
Exchange rate 19.8920    
Mexican peso      
Disclosure of foreign exchange rates [line items]      
Average exchange rate 1.00 1.00 1.00
Exchange rate 1.00 1.00  
Quetzal      
Disclosure of foreign exchange rates [line items]      
Average exchange rate 2.78 2.50 2.56
Exchange rate 2.56 2.45  
Colon      
Disclosure of foreign exchange rates [line items]      
Average exchange rate 0.04 0.03 0.03
Exchange rate 0.03 0.03  
Balboa      
Disclosure of foreign exchange rates [line items]      
Average exchange rate 21.49 19.26 19.24
Exchange rate 19.95 18.85  
Colombian peso      
Disclosure of foreign exchange rates [line items]      
Average exchange rate 0.01 0.01 0.01
Exchange rate 0.01 0.01  
Cordoba      
Disclosure of foreign exchange rates [line items]      
Average exchange rate 0.63 0.58 0.61
Exchange rate 0.57 0.56  
Argentine peso      
Disclosure of foreign exchange rates [line items]      
Average exchange rate 0.31 0.41 0.73
Exchange rate 0.24 0.31  
Real      
Disclosure of foreign exchange rates [line items]      
Average exchange rate 4.18 4.89 5.29
Exchange rate 3.84 4.68  
Philippine peso      
Disclosure of foreign exchange rates [line items]      
Average exchange rate     0.37
Uruguayan peso      
Disclosure of foreign exchange rates [line items]      
Average exchange rate 0.51 0.55 0.63
Exchange rate 0.47 0.51