XML 78 R63.htm IDEA: XBRL DOCUMENT v3.8.0.1
Note 18 - Cash and Cash Equivalents and Other Investments (Tables)
 12 Months Ended
Dec. 31, 2017
Statement Line Items [Line Items]  
Detailed disclosure of cash and cash equivalents and other investments [text block]
    Year ended December 31,  
    2017     2016  
Cash and cash equivalents                
Cash at banks    
150,948
      
92,730
  
Liquidity funds    
66,033
      
215,807
  
Short – term investments    
113,240
      
91,200
  
     
330,221
      
399,737
  
Other investments - current                
Fixed Income (time-deposit, zero coupon bonds, commercial papers)    
437,406
      
782,029
  
Bonds and other fixed Income    
754,800
      
841,638
  
Fund Investments    
-
      
9,475
  
Others    
100
      
-
  
     
1,192,306
      
1,633,142
  
Other investments - Non-current                
Bonds and other fixed Income    
123,498
      
248,049
  
Others    
4,837
      
1,670
  
     
128,335
      
249,719