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ISSUANCE OF DEBT SECURITIES - Subordinated Negotiable Obligations (Details) $ in Thousands	1 Months Ended	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2020 ARS ($)	Dec. 31, 2019 ARS ($)	Dec. 31, 2020 USD ($)	Apr. 15, 2016 ARS ($)	Mar. 25, 2013 ARS ($)
ISSUANCE OF DEBT SECURITIES
Term	3 years
Subordinated Negotiable Obligations, Global Program for the Issuance of Negotiable Obligations
ISSUANCE OF DEBT SECURITIES
Maximum amount can be issued					$ 2,000,000	$ 750,000
Borrowings		$ 1,140,469,000	$ 2,886,028,000
Subordinated Negotiable Obligations, Global Program for the Issuance of Negotiable Obligations, Class III, 08/20/2013
ISSUANCE OF DEBT SECURITIES
Notional amount				$ 22,500
Term		84 months	84 months
Borrowings, interest rate		7.00%		7.00%
Borrowings			$ 1,780,980,000
Subordinated Negotiable Obligations, Global Program for the Issuance of Negotiable Obligations, Class IV, 11/18/2014
ISSUANCE OF DEBT SECURITIES
Notional amount				$ 13,441
Term		84 months	84 months
Borrowings, interest rate		7.00%		7.00%
Borrowings		$ 1,140,469,000	$ 1,105,048,000

X

- Definition

The amount of outstanding funds that the entity is obligated to repay.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

The interest rate on borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

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The nominal or face amount of a financial instrument, used to calculate payments made on that instrument.

+ References

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-IssueDate 2020-01-01
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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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