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Investment Portfolio - Government and Corporate Securities (Equity Instruments at Fair Value Through Other Comprehensive Income) (Details) - ARS ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
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Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Equity instruments held | $ 8,904,312 | $ 8,640,277
EQUITY INSTRUMENTS AT FAIR VALUE THROUGH OTHER COMPREHENSIVE INCOME |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Equity instruments held | 4,502,573 | 4,322,577
EQUITY INSTRUMENTS AT FAIR VALUE THROUGH OTHER COMPREHENSIVE INCOME | Government Securities - In pesos |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Equity instruments held | 3,732,085 | 3,381,372
EQUITY INSTRUMENTS AT FAIR VALUE THROUGH OTHER COMPREHENSIVE INCOME | Government Securities - In pesos | Level 3 Fair value | Compensadora Electrónica S.A. |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Equity instruments held | 2,436,994 | 1,941,974
EQUITY INSTRUMENTS AT FAIR VALUE THROUGH OTHER COMPREHENSIVE INCOME | Government Securities - In pesos | Level 3 Fair value | Mercado Abierto Electrónico S.A. |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Equity instruments held | 1,011,785 | 1,114,544
EQUITY INSTRUMENTS AT FAIR VALUE THROUGH OTHER COMPREHENSIVE INCOME | Government Securities - In pesos | Level 3 Fair value | Seguro de Depósitos S.A. |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Equity instruments held | 268,270 | 314,132
EQUITY INSTRUMENTS AT FAIR VALUE THROUGH OTHER COMPREHENSIVE INCOME | Government Securities - In pesos | Level 3 Fair value | Others |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Equity instruments held | 15,036 | 10,722
EQUITY INSTRUMENTS AT FAIR VALUE THROUGH OTHER COMPREHENSIVE INCOME | Government Securities - In foreign currency |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Equity instruments held | 770,488 | 941,205
EQUITY INSTRUMENTS AT FAIR VALUE THROUGH OTHER COMPREHENSIVE INCOME | Government Securities - In foreign currency | Level 2 Fair value | Others |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Equity instruments held | 34,513 | 60,425
EQUITY INSTRUMENTS AT FAIR VALUE THROUGH OTHER COMPREHENSIVE INCOME | Government Securities - In foreign currency | Level 2 Fair value | Banco Latinoamericano de Exportaciones S.A. |  |
Disclosure Of Detailed Information About Investment Portfolio Of Government And Corporate Securities [Line Items] |  |
Equity instruments held | $ 735,975 | $ 880,780

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