XML 114 R144.htm IDEA: XBRL DOCUMENT
v3.20.1

RELATED PARTY TRANSACTIONS -Controlling Interest (Details) - Julio Patricio Supervielle [member] - ARS ($) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Disclosure of transactions between related parties [line items] |  |
Capital interest | $ 35.12 | $ 57.89
Vote's interest | 35.86% | 69.40%

X
- Definition 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. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Interest on capital. + References No definition available. + Details
Name: | supv_InterestOnCapital
Namespace Prefix: | supv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage of voting interest granted. + References No definition available. + Details
Name: | supv_PercentageOfVotingInterestGranted
Namespace Prefix: | supv_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=supv_JulioPatricioSupervielleMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |