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7. Interest in joint venture (Details) - ARS ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
SummaryOfInterestsInJointVenturesLineItems [Line Items]
Equity attributable to the owners	$ 11,152	$ 13,599
SACME
SummaryOfInterestsInJointVenturesLineItems [Line Items]
Percentage interest held in capital stock and votes	50.00%
Equity attributable to the owners	$ 11,152	$ 13,599

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- References

No definition available.

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- Definition

The amount of investments in joint ventures in an entity's separate financial statements. [Refer: Joint ventures [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2019-01-01
-Paragraph 10
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2019-en-r&anchor=para_10&doctype=Standard
-URIDate 2019-03-27

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- Definition

The proportion of ownership interests in a subsidiary held by non-controlling interests. [Refer: Subsidiaries [member]; Non-controlling interests]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2019-01-01
-Paragraph 12
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2019-en-r&anchor=para_12_c&doctype=Standard
-URIDate 2019-03-27

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