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PROPERTY, PLANT AND EQUIPMENT - Revaluation (Details) - ARS ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Disclosure of detailed information about property, plant and equipment [line items]    
Revalued amount $ 1,825,683 $ 1,773,074
Residual Value according to the cost model 1,887,763 1,298,370
Difference $ (62,080)  
Difference   $ 474,704
Land and buildings | Sales Price Per Meter    
Disclosure of detailed information about property, plant and equipment [line items]    
Reduction on the sales price per meter (as a percent) 5.00%  
Reduction of value of the Land and Buildings, net of its tax effect $ 91,200