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Fair Value Quantitative and Qualitative Disclosures - Summary of Valuation Techniques and Significant Unobservable Inputs Used in the Valuation (Detail) - Discounted cash flow [member]
$ in Thousands
 12 Months Ended
Dec. 31, 2021
ARS ($)
Board_member
Dec. 31, 2020
ARS ($)
Provisional Debt Securities Of Financial Trusts [Member]    
Disclosure of significant unobservable inputs used in fair value measurement of assets [line items]    
Fair value of Level 3 Assets | $ $ 321,674 $ 567,676
Valuation technique Income approach (discounted cash flow) Income approach (discounted cash flow)
Significant unobservable inputs Discount rate in pesos Discount rate in pesos
Corporate Bonds [Member]    
Disclosure of significant unobservable inputs used in fair value measurement of assets [line items]    
Fair value of Level 3 Assets | $ $ 792,124  
Valuation technique Income approach (discounted cash flow)  
Significant unobservable inputs Discount rate in pesos  
Minimum Average Term [member] | Provisional Debt Securities Of Financial Trusts [Member]    
Disclosure of significant unobservable inputs used in fair value measurement of assets [line items]    
Off range of inputs high 43.32 43.84
Minimum Average Term [member] | Corporate Bonds [Member]    
Disclosure of significant unobservable inputs used in fair value measurement of assets [line items]    
Off range of inputs high | Board_member 26.19  
Maximum Average Term [member] | Provisional Debt Securities Of Financial Trusts [Member]    
Disclosure of significant unobservable inputs used in fair value measurement of assets [line items]    
Off range of inputs high 46.14 47.60
Maximum Average Term [member] | Corporate Bonds [Member]    
Disclosure of significant unobservable inputs used in fair value measurement of assets [line items]    
Off range of inputs high | Board_member 40.99