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COMMON STOCK AND DIVIDENDS, Acquisition of treasury shares (Details) - ARS ($) $ in Thousands		12 Months Ended
	Nov. 13, 2019	Dec. 31, 2019	Dec. 31, 2018	Nov. 19, 2019	Aug. 26, 2019	Mar. 27, 2019
Acquisition of treasury shares [Abstract]
Maximum amount invested for shares repurchase program				$ 4,000,000	$ 3,200,000	$ 1,500,000
Shares repurchase program term		120 days
Treasury Shares [Member]
Acquisition of treasury shares [Abstract]
Shares issued (in shares)		9,886,755	13,600,780
Percentage of total common stock representing shares repurchased	3.706%	1.24%	1.71%
Acquisition cost of treasury shares	$ 4,045,739	$ 730,764	$ 2,185,845

X

- Definition

The number of shares issued by the entity.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 106
-Subparagraph d
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-URIDate 2019-03-27

+ Details

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X

- References

No definition available.

+ Details

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X

- Definition

The amount of shares authorized for repurchase under a share repurchase program.

+ References

No definition available.

+ Details

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X

- 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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X

- 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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X

- Definition

The amount of cost related to the repurchase of treasury shares.

+ References

No definition available.

+ Details

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- Details

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