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Income Tax - Reconciliation of Effective Tax Rate (Details) - ARS ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Income tax [Abstract] |  |  |  |  |  |
Profit before income tax | $ 441,080,385 | $ 682,307,668 | $ 375,932,109 |  |  |
Income tax rate | 35.00% | 35.00% | 35.00% |  |  |
Income tax using the Bank’s income tax rate | $ 154,378,135 | $ 238,807,684 | $ 131,576,238 |  |  |
Permanent Differences |  |  |  |  |  |
Tax-exempt income | (5,046,526) | (4,035,063) | (1,007,349) |  |  |
Non-deductible expenses | 2,393,524 | 5,540,479 | 1,036,102 |  |  |
Other | 67,800 | (84,226) | (1,473,226) |  |  |
Net monetary inflation adjustment | 690,318,492 | 911,255,310 | 411,884,383 |  |  |
Subtotal | 842,111,425 | 1,151,484,184 | 542,016,148 |  |  |
Inflation adjustment for tax purposes (see Note 11.6) | (773,960,520) | (811,621,143) | (558,520,266) |  |  |
Other | 8,113,900 | 0 | (610,082) |  |  |
Income tax expense (benefit) | $ 76,264,805 | $ 339,863,041 | $ (17,114,200) | $ 555,002 | $ 647,945 | $ 264,257
Effective tax rate | (17.00%) | (50.00%) | 5.00% |  |  |

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