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Commissions Expense - Summary of Commissions Expense (Detail) - ARS ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure of fee and commission expense [line items] |  |  |
Fee and commission expense | $ 3,530,951 | $ 3,090,218 | $ 3,308,327
Commissions related to debt securities [member] |  |  |
Disclosure of fee and commission expense [line items] |  |  |
Fee and commission expense | 1,921 |  |
Commissions related to trading and foreign exchange transactions [member] |  |  |
Disclosure of fee and commission expense [line items] |  |  |
Fee and commission expense | 153,022 | 177,385 | 315,682
Commissions paid ATM exchange [member] |  |  |
Disclosure of fee and commission expense [line items] |  |  |
Fee and commission expense | 2,367,455 | 1,906,525 | 1,596,637
Checkbooks commissions and clearing houses [Member] |  |  |
Disclosure of fee and commission expense [line items] |  |  |
Fee and commission expense | 632,278 | 610,483 | 684,690
Credit cards and foreign trade commissions [Member] |  |  |
Disclosure of fee and commission expense [line items] |  |  |
Fee and commission expense | $ 376,275 | $ 395,825 | $ 711,318

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- Definition Disclosure of fee and commission expense. + References No definition available. + Details
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- Definition The amount of expense relating to fees and commissions. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 85 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_85&doctype=Standard -URIDate 2021-03-24 + Details
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