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17. Share capital and additional paid-in capital (Details) - ARS ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
DisclosureOfShareCapitalAndAdditionalPaidinCapitalLineItems [Line Items] |  |
Beginning balance | $ 18,427,504 | $ 18,381,187
Payment of other reserve constitution - share-based compensation plan | 10,700 | 46,317
Ending balance | 18,438,204 | 18,427,504
Share Capital |  |
DisclosureOfShareCapitalAndAdditionalPaidinCapitalLineItems [Line Items] |  |
Beginning balance | 18,197,583 | 18,197,583
Payment of other reserve constitution - share-based compensation plan | 0 | 0
Ending balance | 18,197,583 | 18,197,583
Additional Paid in Capital |  |
DisclosureOfShareCapitalAndAdditionalPaidinCapitalLineItems [Line Items] |  |
Beginning balance | 229,921 | 183,604
Payment of other reserve constitution - share-based compensation plan | 10,700 | 46,317
Ending balance | $ 240,624 | $ 229,921

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- References No definition available. + Details
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Balance Type: | na
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- References No definition available. + Details
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- Definition The amount of equity interest of an entity without share capital that the entity does not separately disclose in the same statement or note. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 78 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_78_e&doctype=Standard -URIDate 2018-03-16 + Details
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- Details
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- Details
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