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SIGNIFICANT ACCOUNTING POLICIES, Income Tax and Deferred Income Tax through Earnings Per Share (Details) - ARS ($)
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Income tax and deferred income tax [Abstract]      
Provisions for income taxes $ 0 $ 0  
Equity accounts [Abstract]      
Percentage of legal reserve of net income 5.00%    
Percentage of legal reserve on sum of Capital stock and Adjustment to capital stock balances 20.00%    
Earnings per share [Abstract]      
Net income attributable to owners of the Company $ 3,286,190 $ 17,432,945 $ 23,907,988
Average number of outstanding shares (in shares) [1],[2] 762,371,755 776,121,341 788,405,563
Basic and diluted earnings per share (in pesos per share) $ 4.31 $ 22.46 $ 30.32
[1] The weighted average number of shares considers the effect of the weighted average of the changes originated in the transactions with the treasury shares made during the year.
[2] The weighted average of the number of shares considers the effect of the weighted average of the changes originated in the transactions with treasury shares made during the year.