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Related Parties - Transactions And Balances With Associated Company Except Key Management Personnel (Details) - ARS ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Cash And Other Demand Deposits Member |  |  |  |
Transactions and Balances with Associated Company Except Key Management Personnel [Line Items] |  |  |  |
Balances with Associated Company |  | $ 652 | $ 1,410 |
Results with Associated Company |  | 0 | 0 | $ 0
Loans And Advances Member |  |  |  |
Transactions and Balances with Associated Company Except Key Management Personnel [Line Items] |  |  |  |
Balances with Associated Company |  | 8,959,394 | 6,682,490 |
Results with Associated Company |  | 4,001,137 | 4,631,818 | 6,146,518
Debt Securities At Fair Value Through Profit Or Loss Member |  |  |  |
Transactions and Balances with Associated Company Except Key Management Personnel [Line Items] |  |  |  |
Balances with Associated Company |  | 780 | 7,832 |
Results with Associated Company |  | 1,739 | 116,077 | 108,239
Other Financial Assets Member |  |  |  |
Transactions and Balances with Associated Company Except Key Management Personnel [Line Items] |  |  |  |
Balances with Associated Company |  | 203,918 | 110,938 |
Results with Associated Company |  | 0 | 0 | 504
Deposits Member |  |  |  |
Transactions and Balances with Associated Company Except Key Management Personnel [Line Items] |  |  |  |
Balances with Associated Company |  | 1,049,500 | 1,388,493 |
Results with Associated Company |  | 141,859 | 12,780 | 242,927
Other Liabilities Member |  |  |  |
Transactions and Balances with Associated Company Except Key Management Personnel [Line Items] |  |  |  |
Balances with Associated Company |  | 455 | 35 |
Results with Associated Company |  | 4,107 | 2,053 | 8,890
Financing Received Member |  |  |  |
Transactions and Balances with Associated Company Except Key Management Personnel [Line Items] |  |  |  |
Balances with Associated Company |  | 0 | 1,338,954 |
Results with Associated Company |  | 0 | 19,047 | 68,943
Derivative Financial Liabilities Member |  |  |  |
Transactions and Balances with Associated Company Except Key Management Personnel [Line Items] |  |  |  |
Balances with Associated Company |  | 0 | 0 |
Results with Associated Company |  | 0 | 86,708 | 961,434
Debt Securities Issued Member |  |  |  |
Transactions and Balances with Associated Company Except Key Management Personnel [Line Items] |  |  |  |
Balances with Associated Company |  | 0 | 0 |
Results with Associated Company |  | 0 | 37,059 | 105,398
Other Operating Income Member |  |  |  |
Transactions and Balances with Associated Company Except Key Management Personnel [Line Items] |  |  |  |
Balances with Associated Company | [1] | 0 | 0 |
Results with Associated Company | [1] | 70,727 | 75,484 | 106,255
Securities In Custody Member |  |  |  |
Transactions and Balances with Associated Company Except Key Management Personnel [Line Items] |  |  |  |
Balances with Associated Company | [2] | 3,942,537 | 4,510,133 |
Results with Associated Company | [2] | 0 | 2,718 | 3,802
Securities Granted Member |  |  |  |
Transactions and Balances with Associated Company Except Key Management Personnel [Line Items] |  |  |  |
Balances with Associated Company | [3] | 821 | 1,092 |
Results with Associated Company | [3] | 0 | 207 | 1,179
Guarantees Received Member |  |  |  |
Transactions and Balances with Associated Company Except Key Management Personnel [Line Items] |  |  |  |
Balances with Associated Company |  | 1,013,348 | 21,440 |
Results with Associated Company |  | $ 0 | $ 0 | $ 0
[1] | Operating leases.
[2] | These balances represent the shares in custody of Banco BBVA Argentina SA held by BBVA and BBV América.
[3] | These balances represent commercial guarantees granted.

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