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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) - Treasury Shares [Member] - ARS ($)
$ in Thousands
 12 Months Ended
Nov. 13, 2019
Dec. 31, 2019
Dec. 31, 2018
Equity [Abstract]      
Shares issued (in shares)   9,886,755 13,600,780
Par value (in pesos per share)   $ 1 $ 1
Percentage of share capital 3.706% 1.24% 1.71%
Acquisition cost $ 4,045,739 $ 730,764 $ 2,185,845