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Financial Instruments Risks - Concentration of Deposits (Details) - ARS ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
10 largest customers [member] |  |
Concentration of deposits [line items] |  |
Debt balance | $ 75,905,836 | $ 71,017,639
Percent of over total portfolio | 10.72% | 9.84%
50 following largest customers [member] |  |
Concentration of deposits [line items] |  |
Debt balance | $ 78,956,490 | $ 60,685,373
Percent of over total portfolio | 11.15% | 8.41%
100 following largest customers [member] |  |
Concentration of deposits [line items] |  |
Debt balance | $ 34,340,846 | $ 38,411,205
Percent of over total portfolio | 4.85% | 5.32%
Rest of customers [member] |  |
Concentration of deposits [line items] |  |
Debt balance | $ 519,133,013 | $ 551,723,628
Percent of over total portfolio | 73.28% | 76.43%
Total [member] |  |
Concentration of deposits [line items] |  |
Debt balance | $ 708,336,185 | $ 721,837,845
Percent of over total portfolio | 100.00% | 100.00%

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