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SIGNIFICANT ACCOUNTING POLICIES, Income Tax and Deferred Income Tax through Earnings Per Share (Details) - ARS ($) | 12 Months Ended
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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.

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- Definition The amount of earnings per share when the basic and diluted measurements are equal. [Refer: Basic earnings (loss) per share; Diluted earnings (loss) per share] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 85 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_85&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The profit (loss) from continuing and discontinued operations attributable to owners of the parent. [Refer: Profit (loss)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 81B -Subparagraph a -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_81B_a_ii&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The number of ordinary shares outstanding at the beginning of the period, adjusted by the number of ordinary shares bought back or issued during the period multiplied by a time-weighting factor. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 33 -IssueDate 2020-01-01 -Paragraph 70 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=33&code=ifrs-tx-2020-en-r&anchor=para_70_b&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition Provision for income tax and deferred income tax Income taxes include all domestic and foreign taxes which are based on taxable profits. Income taxes also include taxes, such as withholding taxes, which are payable by a subsidiary, associate or joint arrangement. + References No definition available. + Details
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- Definition Pursuant to the provisions of the Argentine Business Association Law and the CNV, minimum percentage of net income required to setup legal reserve. + References No definition available. + Details
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