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Refinancing and restructuring operations - Disclosure Of Detailed Information About The Financial Assets for Which Loss Allowance Has Changed To 12-Month ECL Measurement (Details) - ARS ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
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12-month expected credit losses [member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Gross carrying amount of financial assets post modification | $ 135,130 | $ 199,857
Expected credit loss on financial assets post modification | 920 | 1,031
Lifetime expected credit losses [member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Gross carrying amount of financial assets post modification | 621,683 | 1,143,062
Expected credit loss on financial assets post modification | $ 15,843 | $ 53,892

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