XML 218 R203.htm IDEA: XBRL DOCUMENT v3.21.1
Capital Management, Corporate Governance Transparency Policy and Risk Management - Summary of Bank's VaR by type of Risks (Detail) - ARS ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Disclosure Of Interest Rate Risk [line items]    
Interest rate risk $ 6,621 $ 8,723
Currency Exchange rate risk 1,727 2,486
Price risk $ 5,198 $ 192