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ACCOUNTING STANDARDS AND BASIS OF PREPARATION - (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 ARS ($)
Minimum |
Disclosure of financial trust [line items] |
Proportion of ownership interest in associate | 20.00%
Maximum |
Disclosure of financial trust [line items] |
Proportion of ownership interest in associate | 50.00%
Micro Lending Trust Financial Trust, III |
Disclosure of financial trust [line items] |
Securitized Amount | $ 39,779
Micro Lending Financial Trusts, IV |
Disclosure of financial trust [line items] |
Securitized Amount | $ 40,652

X
- Definition The proportion of ownership interest in an associate attributable to the entity. [Refer: Total for all associates [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2024-01-01 -Paragraph 17 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2024-en-r&anchor=para_17_b_iii&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2024-01-01 -Paragraph 16 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2024-en-r&anchor=para_16_b_iii&doctype=Standard -URIDate 2024-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2024-01-01 -Paragraph 21 -Subparagraph a -Clause iv -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_21_a_iv&doctype=Standard -URIDate 2024-03-27 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | dtr-2022:percentItemType
Balance Type: | na
Period Type: | duration

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

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- Definition The value of the securitized in a trust at reporting date. + References No definition available. + Details
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Namespace Prefix: | supv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |