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PROFIT FROM ASSOCIATES (Tables)
 12 Months Ended
Dec. 31, 2020
PROFIT FROM ASSOCIATES [Abstract]  
Profit from Associates
  
2020
  
2019
  
2018
 
EGS (in liquidation)
  
(79
)
  
(109
)
  
6,494
 
TGU
  
(482
)
  
(904
)
  
(93
)
Link
  
21,871
   
(42,359
)
  
31,729
 
Total
  
21,310
   
(43,372
)
  
38,130