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Trade, other payables and financial liabilities (Tables)
12 Months Ended
Dec. 31, 2017
Text block1 [abstract]  
Summary of Trade, Other Payables and Financial Liabilities
     2017      2016  

Account payables

   $ 116,554      $ 104,176  

Account payables to related parties

     12,880        8,681  
  

 

 

    

 

 

 
     129,434        112,857  

Other payables and financial liabilities - Fuel derivative instruments

     —          2,801  

Others

     1,156        4,779  
  

 

 

    

 

 

 
     1,156        7,580  
  

 

 

    

 

 

 
   $ 130,590      $ 120,437