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Other accounts receivable (Tables)
 12 Months Ended
Dec. 31, 2018
Other accounts receivable [Abstract]  
Summary of Other Accounts Receivable
Other accounts receivable at December 31, 2018 and 2017, are summarized as follows:

  
2018
  
2017
 
Recoverable taxes
 
$
183,927
  
$
175,268
 
Services for port, maritime and other operations
  
161,037
   
97,328
 
Insurance claims
  
12,286
   
958
 
Employees
  
4,466
   
8,561
 
Others
  
48,718
   
37,078
 
  
$
410,434
  
$
319,193