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PROFIT FROM ASSOCIATES (Details) - ARS ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Profit from associates [Abstract]      
Profit from associates $ 190 $ 1,522 $ 254
EGS [Member]      
Profit from associates [Abstract]      
Profit from associates 11 780 177
TGU [Member]      
Profit from associates [Abstract]      
Profit from associates $ 179 $ 742 $ 77