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FAIR VALUES - Assets and Liabilities at Amortized Cost (Details) - ARS ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Financial Liabilities |  |
Financial liabilities at amortised cost | $ 51,157,866 |
Book value |  |
Financial Assets |  |
Financial assets at amortised cost | 3,439,275,765 | $ 3,735,987,393
Financial Liabilities |  |
Financial liabilities at amortised cost | 3,305,326,261 | 3,381,667,276
Book value | Deposits |  |
Financial Liabilities |  |
Financial liabilities at amortised cost | 3,173,461,243 | 3,373,001,922
Book value | Other financial liabilities |  |
Financial Liabilities |  |
Financial liabilities at amortised cost | 7,446,692 | 755,524
Book value | Reverse Repo transactions |  |
Financial Liabilities |  |
Financial liabilities at amortised cost | 33,962,592 |
Book value | Financing received from the Central Bank and other financial institutions. |  |
Financial Liabilities |  |
Financial liabilities at amortised cost | 39,297,868 | 5,862,129
Book value | Repo transactions |  |
Financial Liabilities |  |
Financial liabilities at amortised cost |  | 2,047,701
Book value | Unsubordinated Debt securities |  |
Financial Liabilities |  |
Financial liabilities at amortised cost | 51,157,866 |
Book value | Cash and due from Banks |  |
Financial Assets |  |
Financial assets at amortised cost | 652,975,869 | 498,892,707
Book value | Other financial assets |  |
Financial Assets |  |
Financial assets at amortised cost | 11,473,388 | 55,389,250
Book value | Loans and other financing |  |
Financial Assets |  |
Financial assets at amortised cost | 2,170,078,164 | 1,050,611,692
Book value | Repo transactions |  |
Financial Assets |  |
Financial assets at amortised cost |  | 1,645,657,441
Book value | Other Debt Securities |  |
Financial Assets |  |
Financial assets at amortised cost | 604,746,484 | 485,418,013
Book value | Financial assets Pledged as collateral |  |
Financial Assets |  |
Financial assets at amortised cost | 1,860 | 18,290
Fair value |  |
Financial Assets |  |
Financial assets at amortised cost | 3,649,742,905 | 3,951,835,200
Financial Liabilities |  |
Financial liabilities at amortised cost | 3,329,110,334 | 3,487,601,820
Fair value | Level 1 of fair value hierarchy [member] |  |
Financial Assets |  |
Financial assets at amortised cost | 1,267,067,382 | 2,586,395,927
Financial Liabilities |  |
Financial liabilities at amortised cost | 92,567,150 | 2,803,225
Fair value | Level 2 of fair value hierarchy [member] |  |
Financial Assets |  |
Financial assets at amortised cost | 1,330,073 | 169,238,544
Fair value | Level 3 of fair value hierarchy [member] |  |
Financial Assets |  |
Financial assets at amortised cost | 2,381,345,450 | 1,196,200,729
Financial Liabilities |  |
Financial liabilities at amortised cost | 3,236,543,184 | 3,484,798,595
Fair value | Deposits |  |
Financial Liabilities |  |
Financial liabilities at amortised cost | 3,197,319,468 | 3,478,726,949
Fair value | Deposits | Level 3 of fair value hierarchy [member] |  |
Financial Liabilities |  |
Financial liabilities at amortised cost | 3,197,319,468 | 3,478,726,949
Fair value | Other financial liabilities |  |
Financial Liabilities |  |
Financial liabilities at amortised cost | 7,446,692 | 755,524
Fair value | Other financial liabilities | Level 1 of fair value hierarchy [member] |  |
Financial Liabilities |  |
Financial liabilities at amortised cost | 7,446,692 | 755,524
Fair value | Reverse Repo transactions |  |
Financial Liabilities |  |
Financial liabilities at amortised cost | 33,962,592 |
Fair value | Reverse Repo transactions | Level 1 of fair value hierarchy [member] |  |
Financial Liabilities |  |
Financial liabilities at amortised cost | 33,962,592 |
Fair value | Financing received from the Central Bank and other financial institutions. |  |
Financial Liabilities |  |
Financial liabilities at amortised cost | 39,223,716 | 6,071,646
Fair value | Financing received from the Central Bank and other financial institutions. | Level 3 of fair value hierarchy [member] |  |
Financial Liabilities |  |
Financial liabilities at amortised cost | 39,223,716 | 6,071,646
Fair value | Repo transactions |  |
Financial Liabilities |  |
Financial liabilities at amortised cost |  | 2,047,701
Fair value | Repo transactions | Level 1 of fair value hierarchy [member] |  |
Financial Liabilities |  |
Financial liabilities at amortised cost |  | 2,047,701
Fair value | Unsubordinated Debt securities |  |
Financial Liabilities |  |
Financial liabilities at amortised cost | 51,157,866 |
Fair value | Unsubordinated Debt securities | Level 1 of fair value hierarchy [member] |  |
Financial Liabilities |  |
Financial liabilities at amortised cost | 51,157,866 |
Fair value | Cash and due from Banks |  |
Financial Assets |  |
Financial assets at amortised cost | 652,975,869 | 498,892,708
Fair value | Cash and due from Banks | Level 1 of fair value hierarchy [member] |  |
Financial Assets |  |
Financial assets at amortised cost | 652,975,869 | 498,892,708
Fair value | Other financial assets |  |
Financial Assets |  |
Financial assets at amortised cost | 11,473,388 | 55,389,250
Fair value | Other financial assets | Level 1 of fair value hierarchy [member] |  |
Financial Assets |  |
Financial assets at amortised cost | 11,473,388 | 55,389,250
Fair value | Loans and other financing |  |
Financial Assets |  |
Financial assets at amortised cost | 2,381,345,450 | 1,196,200,729
Fair value | Loans and other financing | Level 3 of fair value hierarchy [member] |  |
Financial Assets |  |
Financial assets at amortised cost | 2,381,345,450 | 1,196,200,729
Fair value | Repo transactions |  |
Financial Assets |  |
Financial assets at amortised cost |  | 1,645,657,441
Fair value | Repo transactions | Level 1 of fair value hierarchy [member] |  |
Financial Assets |  |
Financial assets at amortised cost |  | 1,645,657,441
Fair value | Other Debt Securities |  |
Financial Assets |  |
Financial assets at amortised cost | 603,946,338 | 555,676,782
Fair value | Other Debt Securities | Level 1 of fair value hierarchy [member] |  |
Financial Assets |  |
Financial assets at amortised cost | 602,616,265 | 386,438,238
Fair value | Other Debt Securities | Level 2 of fair value hierarchy [member] |  |
Financial Assets |  |
Financial assets at amortised cost | 1,330,073 | 169,238,544
Fair value | Financial assets Pledged as collateral |  |
Financial Assets |  |
Financial assets at amortised cost | 1,860 | 18,290
Fair value | Financial assets Pledged as collateral | Level 1 of fair value hierarchy [member] |  |
Financial Assets |  |
Financial assets at amortised cost | $ 1,860 | $ 18,290

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