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Fair Values Of Financial Instruments - Additional Information (Detail) - 12 months ended Dec. 31, 2020 $ / shares in Units, $ / shares in Units, $ in Millions | ARS ($) $ / shares shares | ARS ($) $ / shares shares | USD ($) shares
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Fair Value Of Financial Instruments [Line Items] |  |  |
Sensitivity Analysis Measurement Percentage | 100.00% | 100.00% | 100.00%
Put option fair value per share | $ 130 |  |
EBITDA Range Two [Member] |  |  |
Fair Value Of Financial Instruments [Line Items] |  |  |
Sensitivity Analysis Measurement Percentage | 100.00% | 100.00% | 100.00%
Put option fair value per share |  | $ 100 |
Wacc Range Two [Member] |  |  |
Fair Value Of Financial Instruments [Line Items] |  |  |
Sensitivity Analysis Measurement Percentage | 100.00% | 100.00% | 100.00%
Prisma [Member] | BBVA Argentina [Member] |  |  |
Fair Value Of Financial Instruments [Line Items] |  |  |
Proportion of ownership interest in subsidiary | 11.1217% | 11.1217% |
Investments in equity instruments designated at fair value through other comprehensive income | $ |  |  | $ 6,033,808
Range 1 [Member] |  |  |
Fair Value Of Financial Instruments [Line Items] |  |  |
Sensitivity Analysis Measurement Percentage | 10.00% | 10.00% | 10.00%
Range 2 [Member] |  |  |
Fair Value Of Financial Instruments [Line Items] |  |  |
Sensitivity Analysis Measurement Percentage | 12.00% | 12.00% | 12.00%
Range 3 [Member] |  |  |
Fair Value Of Financial Instruments [Line Items] |  |  |
Sensitivity Analysis Measurement Percentage | 15.00% | 15.00% | 15.00%
Range 4 [Member] |  |  |
Fair Value Of Financial Instruments [Line Items] |  |  |
Sensitivity Analysis Measurement Percentage | 20.00% | 20.00% | 20.00%
Historical volatility for shares, measurement input [member] | Wacc Range Two [Member] |  |  |
Fair Value Of Financial Instruments [Line Items] |  |  |
Sensitivity Analysis Measurement Percentage | 100.00% | 100.00% | 100.00%
Historical volatility for shares, measurement input [member] | Range 1 [Member] |  |  |
Fair Value Of Financial Instruments [Line Items] |  |  |
Sensitivity Analysis Measurement Percentage | 2.00% | 2.00% | 2.00%
Put option fair value per share |  | $ 10.0 |
Historical volatility for shares, measurement input [member] | Range 1 [Member] | EBITDA Range Two [Member] |  |  |
Fair Value Of Financial Instruments [Line Items] |  |  |
Put option fair value per share |  | $ 1.26 |
Historical volatility for shares, measurement input [member] | Range 1 [Member] | Wacc Range Two [Member] |  |  |
Fair Value Of Financial Instruments [Line Items] |  |  |
Sensitivity Analysis Measurement Percentage | 51368.30% | 51368.30% | 51368.30%
Historical volatility for shares, measurement input [member] | Range 2 [Member] |  |  |
Fair Value Of Financial Instruments [Line Items] |  |  |
Sensitivity Analysis Measurement Percentage | 3.00% | 3.00% | 3.00%
Put option fair value per share |  | $ 12.0 |
Historical volatility for shares, measurement input [member] | Range 2 [Member] | EBITDA Range Two [Member] |  |  |
Fair Value Of Financial Instruments [Line Items] |  |  |
Put option fair value per share |  | $ 1.30 |
Put options outstanding, fair value | $ | $ 1,182,000 | $ 1,182,000 |
Number of put options outstanding | shares | 10,805,542 | 10,805,542 | 10,805,542
Historical volatility for shares, measurement input [member] | Range 2 [Member] | Wacc Range Two [Member] |  |  |
Fair Value Of Financial Instruments [Line Items] |  |  |
Sensitivity Analysis Measurement Percentage | 54252.60% | 54252.60% | 54252.60%
Historical volatility for shares, measurement input [member] | Range 3 [Member] |  |  |
Fair Value Of Financial Instruments [Line Items] |  |  |
Sensitivity Analysis Measurement Percentage | 4.00% | 4.00% | 4.00%
Put option fair value per share |  | $ 15.0 |
Historical volatility for shares, measurement input [member] | Range 3 [Member] | EBITDA Range Two [Member] |  |  |
Fair Value Of Financial Instruments [Line Items] |  |  |
Put option fair value per share |  | $ 1.42 |
Historical volatility for shares, measurement input [member] | Range 3 [Member] | Wacc Range Two [Member] |  |  |
Fair Value Of Financial Instruments [Line Items] |  |  |
Sensitivity Analysis Measurement Percentage | 57664.80% | 57664.80% | 57664.80%
Historical volatility for shares, measurement input [member] | Range 4 [Member] |  |  |
Fair Value Of Financial Instruments [Line Items] |  |  |
Put option fair value per share |  | $ 20.0 |
Historical volatility for shares, measurement input [member] | Range 4 [Member] | EBITDA Range Two [Member] |  |  |
Fair Value Of Financial Instruments [Line Items] |  |  |
Put option fair value per share |  | $ 1.59 |

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