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RELATED PARTY TRANSACTIONS - Financial Exposure (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 ARS ($) Counterparty company individual | Dec. 31, 2020 ARS ($) company Counterparty individual
Disclosure of transactions between related parties [line items] |  |
Aggregate total financial exposure | $ 476,728 | $ 242,271
Number of recipient related parties | Counterparty | 79 | 80
Average total financial exposure | $ 6,035 | $ 3,028
Single largest financial exposure | $ 446,417 | $ 933,426
Individuals [member] |  |
Disclosure of transactions between related parties [line items] |  |
Number of recipient related parties | individual | 69 | 71
Companies [member] |  |
Disclosure of transactions between related parties [line items] |  |
Number of recipient related parties | company | 10 | 9

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition Number of recipient related parties. + References No definition available. + Details
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Namespace Prefix: | supv_
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Balance Type: | na
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- Definition The amount of related party financial exposure. + References No definition available. + Details
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Namespace Prefix: | supv_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition he amount of related party financial exposure per recipient. + References No definition available. + Details
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Namespace Prefix: | supv_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The amount of single largest related party financial exposure per recipient. + References No definition available. + Details
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Balance Type: | credit
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Balance Type: |
Period Type: |