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Additional Disclosures in the Statement of Cash Flows - Summary of Additional Information of Changes in Liabilities Arising from Financing Activities (Detail) - ARS ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Financing received from the Central Bank of Argentina and other financial entities |  |  |
Opening balance | $ 3,057,451 |  |
Proceeds | 76 |  |
Payments | (2,048,327) |  |
Movement in accrued interest | 55,388 |  |
Difference in quoted prices of foreign currency | 308,697 |  |
Monetary effects | (454,182) |  |
Ending balance | 919,103 |  |
Issued Corporate Bonds |  |  |
Opening balance | 7,521,820 |  |
Payments | (2,114,046) | $ (4,087,381) | $ (6,037,821)
Movement in accrued interest | 1,547,872 |  |
Derecognition or substantial modification of financial liabilities | (228,983) | (556,936) | (1,473,234)
Monetary effects | (1,819,287) |  |
Ending balance | 4,926,901 | 7,521,820 |
Subordinated Corporate Bonds |  |  |
Opening balance | 33,098,040 |  |
Payments | (2,246,089) | (2,204,680) | $ (1,841,738)
Movement in accrued interest | 2,397,775 |  |
Derecognition or substantial modification of financial liabilities | 29,427 |  |
Difference in quoted prices of foreign currency | 11,435,578 |  |
Monetary effects | (10,414,439) |  |
Ending balance | $ 34,300,292 | $ 33,098,040 |

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