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Financial assets at fair value through profit or loss - Additional Information (Detail) $ / shares in Units, $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 ARS ($) $ / shares shares | Dec. 31, 2019 USD ($) shares | Dec. 31, 2018 ARS ($) | Dec. 31, 2017 ARS ($) | Jul. 22, 2019 USD ($)
Financial assets at fair value through profit or loss [line items] |  |  |  |  |
Proceeds from equity investments disposal | $ 2,492,169 |  | $ 0 | $ 0 |
Profit on equity securities disposal | $ 3,821,089 |  | $ 0 | $ 0 |
Prisma Medios de Pago S.A. [Member] |  |  |  |  |
Financial assets at fair value through profit or loss [line items] |  |  |  |  |
Equity instruments number of shares transferred | shares | 2,344,064 | 2,344,064 |  |  |
Equity instruments shares transferred nominal value | $ / shares | $ 1 |  |  |  |
Equity investments disposal consideration |  | $ 78,265,273 |  |  |
Proceeds from equity investments disposal |  | $ 46,457,210 |  |  |
Equity investments disposal payments term | Unpaid balance shall be deferred over the following 5 (five) years and settle as follows: (i) 30% of that amount shall be paid in pesos, adjusted by Reference Stabilization Coefficient -an index based on CPI- (CER) at an annual nominal rate of 15% and (ii) 70% in US Dollars at an annual nominal rate of 10 %. | Unpaid balance shall be deferred over the following 5 (five) years and settle as follows: (i) 30% of that amount shall be paid in pesos, adjusted by Reference Stabilization Coefficient -an index based on CPI- (CER) at an annual nominal rate of 15% and (ii) 70% in US Dollars at an annual nominal rate of 10 %. |  |  |
Equity securities at cost |  |  |  |  | $ 76,947,895.33
Profit on equity securities disposal | $ 3,821,089 |  |  |  |

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