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Accounts and Transactions with Related Parties - Additional Information (Detail)
$ in Millions
 12 Months Ended
Dec. 31, 2020
USD ($)
ft²
Dec. 31, 2019
USD ($)
Desarrollo inmobiliario del este, S. A. [member] | Desarrollo inmobiliario [member]    
Disclosure of transactions between related parties [line items]    
Approximate area of building | ft² 105,981  
Number of lease floor five  
Corporacion de inversiones areas, S. A [member] | Desarrollo inmobiliario [member] | Class B shares [member]    
Disclosure of transactions between related parties [line items]    
Percentage of ownership 100.00%  
Executive officers [member]    
Disclosure of transactions between related parties [line items]    
Future payments pursuant to a non-compete agreement $ 3.0  
Petroleos delta, S. A. [member]    
Disclosure of transactions between related parties [line items]    
Contract agreement term two years  
The last contract subscribed June, 2020  
Banco General, S. A. [member]    
Disclosure of transactions between related parties [line items]    
Interest receivable $ 1.0 $ 2.1