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Fair Values Of Financial Instruments - Additional Information (Detail) - 12 months ended Dec. 31, 2019
$ / shares in Units, $ / shares in Units, $ in Millions
ARS ($)
$ / shares
shares
ARS ($)
$ / shares
shares
USD ($)
shares
Fair Value Of Financial Instruments [Line Items]      
Sensitivity Analysis Measurement Percentage 100.00% 100.00% 100.00%
Put option fair value per share $ 63.43    
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%  
Closing foreign exchange rate 57.56 57.56 57.56
Investments in equity instruments designated at fair value through other comprehensive income | $     $ 3,033,010
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 12.20% 12.20% 12.20%
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 2.50% 2.50% 2.50%
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 | (per share) $ 54.88 $ 0.95  
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 461.80% 461.80% 461.80%
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 $ 12.2    
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 | (per share) $ 63.43 $ 1.10  
Put options outstanding, fair value | $ $ 685,000 $ 685,000  
Number of put options outstanding | shares 10,800 10,800 10,800
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 473.80% 473.80% 473.80%
Historical volatility for shares, measurement input [member] | Range 3 [Member]      
Fair Value Of Financial Instruments [Line Items]      
Sensitivity Analysis Measurement Percentage 3.50% 3.50% 3.50%
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 | (per share) $ 74.04 $ 1.29  
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 486.80% 486.80% 486.80%
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 | (per share) $ 91.58 $ 1.59