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Mutual Funds Depositary Function - Summary of Shares Held in Mutual Funds Subscribed by Third Parties and Assets from Mutual Funds (Detail) - ARS ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019
Disclosure of mutual funds depositary function [line items] |  |
Equity | $ 5,218,299 | $ 3,562,427
Pionero Pesos [member] |  |
Disclosure of mutual funds depositary function [line items] |  |
Number of shares | 710,991,706 |
Equity | $ 6,230,480 |
Pionero Renta Ahorro [member] |  |
Disclosure of mutual funds depositary function [line items] |  |
Number of shares | 97,409,727 |
Equity | $ 1,882,603 |
Pionero FF [member] |  |
Disclosure of mutual funds depositary function [line items] |  |
Number of shares | 38,872,932 |
Equity | $ 621,204 |
Pionero Gestion [Member] |  |
Disclosure of mutual funds depositary function [line items] |  |
Number of shares | 996,810,463 |
Equity | $ 1,081,486 |
Pionero Renta [member] |  |
Disclosure of mutual funds depositary function [line items] |  |
Number of shares | 16,676,404 |
Equity | $ 838,913 |
Pionero Acciones [member] |  |
Disclosure of mutual funds depositary function [line items] |  |
Number of shares | 9,756,071 |
Equity | $ 327,566 |
Pionero Empresas FCI Abierto PYMES [member] |  |
Disclosure of mutual funds depositary function [line items] |  |
Number of shares | 261,731,584 |
Equity | $ 1,475,402 |
Pionero Pesos Plus [member] |  |
Disclosure of mutual funds depositary function [line items] |  |
Number of shares | 5,815,110,750 |
Equity | $ 30,594,852 |
Pionero Renta Ahorro Plus [member] |  |
Disclosure of mutual funds depositary function [line items] |  |
Number of shares | 961,427,834 |
Equity | $ 4,326,701 |
Pionero Renta Mixta I [member] |  |
Disclosure of mutual funds depositary function [line items] |  |
Number of shares | 20,336,414 |
Equity | $ 92,278 |
Pionero Renta Estrategico [member] |  |
Disclosure of mutual funds depositary function [line items] |  |
Number of shares | 751,241,010 |
Equity | $ 2,065,990 |
Pionero argentina bicentenario [member] |  |
Disclosure of mutual funds depositary function [line items] |  |
Number of shares | 343,298,122 |
Equity | $ 836,673 |
Pionero Ahorro Dolares [member] |  |
Disclosure of mutual funds depositary function [line items] |  |
Number of shares | 3,624,907 |
Equity | $ 286,176 |
Pionero renta fija dolares [member] |  |
Disclosure of mutual funds depositary function [line items] |  |
Number of shares | 3,108,507 |
Equity | $ 191,867 |
Argenfunds Renta Pesos [member] |  |
Disclosure of mutual funds depositary function [line items] |  |
Number of shares | 199,849,796 |
Equity | $ 1,334,857 |
Argenfunds Renta Argentina [member] |  |
Disclosure of mutual funds depositary function [line items] |  |
Number of shares | 8,911,464 |
Equity | $ 33,916 |
Argenfunds Ahorro Pesos [member] |  |
Disclosure of mutual funds depositary function [line items] |  |
Number of shares | 65,544,394 |
Equity | $ 605,472 |
Argenfunds Abierto Pymes [member] |  |
Disclosure of mutual funds depositary function [line items] |  |
Number of shares | 2,273,411,547 |
Equity | $ 4,638,247 |
Argenfunds Renta Total [member] |  |
Disclosure of mutual funds depositary function [line items] |  |
Number of shares | 833,924,833 |
Equity | $ 860,190 |
Argenfunds Renta Flexible [member] |  |
Disclosure of mutual funds depositary function [line items] |  |
Number of shares | 440,119,193 |
Equity | $ 1,418,107 |
Argenfunds Renta Dinamica [member] |  |
Disclosure of mutual funds depositary function [line items] |  |
Number of shares | 8,522 |
Equity | $ 25 |
Argenfunds Renta Fija [Member] |  |
Disclosure of mutual funds depositary function [line items] |  |
Number of shares | 198,066,516 |
Equity | $ 3,045,372 |
Argenfunds Renta Mixta [member] |  |
Disclosure of mutual funds depositary function [line items] |  |
Number of shares | 43,881 |
Equity | $ 28 |
Argenfunds Renta Global [member] |  |
Disclosure of mutual funds depositary function [line items] |  |
Number of shares | 8,983,257 |
Equity | $ 33,192 |
Argenfunds Renta Capital [member] |  |
Disclosure of mutual funds depositary function [line items] |  |
Number of shares | 23,013,791 |
Equity | $ 1,991,021 |
Argenfunds Renta Balanceada [member] |  |
Disclosure of mutual funds depositary function [line items] |  |
Number of shares | 257,312,382 |
Equity | $ 1,046,268 |
Argenfunds Liquidez [Member] |  |
Disclosure of mutual funds depositary function [line items] |  |
Number of shares | 5,556,185,412 |
Equity | $ 8,941,739 |
Argenfunds Retorno Absoluto [Member] |  |
Disclosure of mutual funds depositary function [line items] |  |
Number of shares | 574,667,044 |
Equity | $ 1,088,368 |
Argenfunds Renta Crecimiento [member] |  |
Disclosure of mutual funds depositary function [line items] |  |
Number of shares | 23,949,324 |
Equity | $ 1,911,422 |
Argenfunds Renta Mixta Plus [Member] |  |
Disclosure of mutual funds depositary function [line items] |  |
Number of shares | 353,432 |
Equity | $ 23,928 |
Argenfunds Renta Variable [Member] |  |
Disclosure of mutual funds depositary function [line items] |  |
Number of shares | 276,458,840 |
Equity | $ 5,261 |

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