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DERIVATIVE FINANCIAL INSTRUMENTS - Notional Values (Details) - ARS ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Forward sales of gold without delivery of underlying assets [member]
DERIVATIVE FINANCIAL INSTRUMENTS
Delivery of underlying assets	$ 3,189,269	$ 446,195
Forward purchases of foreign exchange without delivery of underlying assets [member]
DERIVATIVE FINANCIAL INSTRUMENTS
Delivery of underlying assets	$ 1,647,980	$ 579,188

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2020-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2020-01-01

+ Details

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- Definition

Disclosure of derivative financial instruments.

+ References

No definition available.

+ Details

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Namespace Prefix:	supv_
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- Details

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X

- Details

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Balance Type:
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