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Accounts and Transactions with Related Parties - Summary of Accounts and Transactions with Related Parties (Detail) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Disclosure of transactions between related parties [line items]    
Account receivable $ 318 $ 499
Account payable 12,880 8,681
Panama air cargo terminal [member]    
Disclosure of transactions between related parties [line items]    
Account receivable 254  
Account payable 200  
Editora del caribe, S. A. [member]    
Disclosure of transactions between related parties [line items]    
Account receivable 32 15
Petroleos delta, S. A. [member]    
Disclosure of transactions between related parties [line items]    
Account receivable 19 5
Account payable 10,371 7,504
Banco general, S. A. [member]    
Disclosure of transactions between related parties [line items]    
Account receivable 12  
ASSA compania de seguros, S. A. [member]    
Disclosure of transactions between related parties [line items]    
Account receivable 1 479
Account payable 1,431 687
Desarrollo inmobiliario del este, S. A. [member]    
Disclosure of transactions between related parties [line items]    
Account payable 650 421
Motta international, S.A. [member]    
Disclosure of transactions between related parties [line items]    
Account payable 81 25
Cable onda [member]    
Disclosure of transactions between related parties [line items]    
Account payable 112 21
Galindo, arias and lopez [member]    
Disclosure of transactions between related parties [line items]    
Account payable 31 16
Others [member]    
Disclosure of transactions between related parties [line items]    
Account payable $ 4 $ 7