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27. Benefit plans (Details 4) $ in Thousands	Dec. 31, 2019 ARS ($)
Discount Rate 4%
SummaryOfBenefitPlansLineItems [Line Items]
Obligation	$ 631,436
Variation	$ 56,399
Percent	10.00%
Discount Rate 6%
SummaryOfBenefitPlansLineItems [Line Items]
Obligation	$ 527,057
Variation	$ (47,980)
Percent	(8.00%)
Salary Increase 0%
SummaryOfBenefitPlansLineItems [Line Items]
Obligation	$ 526,485
Variation	$ (48,552)
Percent	(8.00%)
Salary Increase 2%
SummaryOfBenefitPlansLineItems [Line Items]
Obligation	$ 631,321
Variation	$ 56,284
Percent	10.00%

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- References

No definition available.

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- Definition

The increase (decrease) in a defined benefit obligation that would have been caused by an increase in a significant actuarial assumption that was reasonably possible at the end of the reporting period. [Refer: Actuarial assumptions [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 19
-IssueDate 2019-01-01
-Paragraph 145
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2019-en-r&anchor=para_145_a&doctype=Standard
-URIDate 2019-03-27

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- Definition

The reasonably possible percentage of the increase in the actuarial assumption used to determine the present value of defined benefit obligation. [Refer: Actuarial assumptions [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-IssueDate 2019-01-01
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