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v3.19.1

SUBSEQUENT EVENTS (Details) - ARS ($) $ / shares in Units, $ in Thousands |  |  |  |  |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Apr. 25, 2019 | Apr. 11, 2019 | Mar. 27, 2019 | Sep. 06, 2018 | Aug. 08, 2018 | Jul. 06, 2018 | Dec. 31, 2018 | Mar. 31, 2018 | Dec. 31, 2017
Subsequent Event [Abstract] |  |  |  |  |  |  |  |  |
Maximum amount approved for treasury shares repurchase program |  |  |  | $ 1,800,000 |  |  |  | $ 1,700,000 |
Shares Repurchase Program term |  |  |  |  |  |  | 180 days |  |
Cash dividends (in pesos per share) |  |  |  | $ 2.2081 | $ 1.8242 | $ 1.4167 |  |  |
Treasury Shares [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Abstract] |  |  |  |  |  |  |  |  |
Shares issued (in shares) |  |  |  |  |  |  | 13,600,780 |  | 0
Percentage of total common stock representing shares repurchased |  |  |  |  |  |  | 1.71% |  |
Subsequent events [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Abstract] |  |  |  |  |  |  |  |  |
Maximum amount approved for treasury shares repurchase program |  |  | $ 1,500,000 |  |  |  |  |  |
Shares Repurchase Program term |  |  | 180 days |  |  |  |  |  |
Increase in legal reserve |  | $ 640,132 |  |  |  |  |  |  |
Cash dividends |  | $ 6,942,000 |  |  |  |  |  |  |
Cash dividends (in pesos per share) |  | $ 8.89 |  |  |  |  |  |  |
Voluntary reserve |  | $ 6,354,164 |  |  |  |  |  |  |
Percentage of voluntary reserve can be used for future invest, stock buyback and cash dividend payment |  | 80.00% |  |  |  |  |  |  |
Cash dividend from voluntary reserve |  | $ 240,500 |  |  |  |  |  |  |
Cash dividend from voluntary reserve (in pesos per sare) |  | $ 0.31 |  |  |  |  |  |  |
Subsequent events [Member] | Treasury Shares [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Abstract] |  |  |  |  |  |  |  |  |
Shares issued (in shares) | 15,310,025 |  |  |  |  |  |  |  |
Percentage of total common stock representing shares repurchased | 1.93% |  |  |  |  |  |  |  |

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- Definition The amount of dividends that the company has declared but not yet paid. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_55&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The amount of dividends paid per ordinary share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 34 -IssueDate 2018-01-01 -Paragraph 16A -Subparagraph f -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=34&date=2018-03-01&anchor=para_16A_f&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The number of shares issued by the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 106 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_106_d&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The amount of dividends that the company has declared but not yet paid to be paid from the voluntary reserve. + References No definition available. + Details
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- Definition The amount of dividends paid per ordinary share paid from the voluntary reserve. + References No definition available. + Details
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- Definition The maximum percentage of voluntary reserve the board can release for future investment, stock buyback and cash dividend payments. + References No definition available. + Details
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- Definition The amount of shares authorized for repurchase under a share repurchase program. + References No definition available. + Details
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- Definition Period which shares may be purchased under a share repurchase plan authorized by an entity's Board of Directors, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The total number of shares repurchased and held in treasury as a percentage of the total share capital of the entity. + References No definition available. + Details
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- Definition The amount of voluntary reserve for capital expenditures, share repurchase and dividend payments. + References No definition available. + Details
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