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Fair Value Quantitative and Qualitative Disclosures - Summary of Financial Assets and Liabilities Recognized at Fair Value using the Valuation Technique (Detail) - Level 3 [member] - Banks own assumptions [member] - ARS ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Disclosure Of Fair Value Measurement Of Financial Assets And Liabilities Disaggregated By Valuation Technique [line items] |  |
Amount at the beginning | $ 7,861,712 | $ 5,357,799
Profit and loss | (1,456,561) | 3,939,180
Recognition and derecognition | (22,299) | 25,828
Monetary effects | (2,669,336) | (1,461,095)
Amount at end of the fiscal year | 3,713,516 | 7,861,712
Debt securities [member] |  |
Disclosure Of Fair Value Measurement Of Financial Assets And Liabilities Disaggregated By Valuation Technique [line items] |  |
Amount at the beginning | 571,230 | 1,674,888
Profit and loss | 352,566 | 313,643
Amount at end of the fiscal year | 1,116,753 | 571,230
Recognition and derecognition | 502,430 | (1,194,786)
Monetary effects | (309,473) | (222,515)
Other Financial Assets1 [member] |  |
Disclosure Of Fair Value Measurement Of Financial Assets And Liabilities Disaggregated By Valuation Technique [line items] |  |
Amount at the beginning | 39,515 | 47,266
Profit and loss | 1,829 | 14,297
Amount at end of the fiscal year | 31,021 | 39,515
Recognition and derecognition | 5,135 | (9,820)
Monetary effects | (15,458) | (12,228)
Derivatives [member] |  |
Disclosure Of Fair Value Measurement Of Financial Assets And Liabilities Disaggregated By Valuation Technique [line items] |  |
Amount at the beginning | 1,482,617 | 1,161,481
Profit and loss | (1,045,763) | 629,470
Monetary effects | $ (436,854) | (308,334)
Amount at end of the fiscal year |  | $ 1,482,617

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- Definition Disclosure Of Fair Value Measurement Of Financial Assets And Liabilities Disaggregated By Valuation Technique [line items] + References No definition available. + Details
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- Definition Equity instruments at fair value through profit and loss on monetary effects. + References No definition available. + Details
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- Definition Gain loss on recognised and derecongnised in Profit or loss Fair value measurement entity own equity instruments. + References No definition available. + Details
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- Definition The fair value of financial assets. [Refer: At fair value [member]; Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 25 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_25&doctype=Standard -URIDate 2021-03-24 + Details
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