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FINANCIAL TRUSTS - Credimas (Details) $ in Thousands | Dec. 31, 2019 ARS ($)
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Credimas Financial Trust |
Financial Trust |
Original principal amount | $ 16,000

X
- Definition Disclosure of financial trust [line items] + References No definition available. + Details
Name: | supv_DisclosureOfFinancialTrustLineItems
Namespace Prefix: | supv_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The original amount of a financial trust. + References No definition available. + Details
Name: | supv_FinancialTrustOriginalPrincipalAmount
Namespace Prefix: | supv_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | supv_FinancialTrustAxis=supv_CredimasFinancialTrustMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |