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Net Interest Income - Interest Expenses (Details) - ARS ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Interest expenses [Abstract] |  |  |  |
Time deposits |  | $ 33,236,039 | $ 52,834,019 | $ 35,573,477
Savings accounts deposits |  | 2,700,162 | 3,749,806 | 9,186,451
Other liabilities |  | 2,662,424 | 5,728,338 | 3,722,117
Bank loans |  | 1,394,983 | 1,230,240 | 383,690
UVA clause adjustment | [1] | 1,011,135 | 2,096,368 | 2,688,015
Interest on the lease liability |  | 373,512 | 432,547 |
Premium for reverse repurchase agreements |  |  | 3,598 | 230,784
Others |  | 93,637 | 48,153 | 24,291
TOTAL |  | $ 41,471,892 | $ 66,123,069 | $ 51,808,825
[1] | Adjustment clause based on the variation of the consumer price index.

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- Definition The amount of interest expense on acquisition value unit (UVA) clause adjustment. + References No definition available. + Details
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- Definition Interest expense on reverse repurchase agreements and cash collateral on securities borrowed + References No definition available. + Details
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- Definition Interest expenses + References No definition available. + Details
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- Definition Other interest expense + References No definition available. + Details
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- Definition The amount of interest expense on savings accounts. + References No definition available. + Details
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- Definition The amount of interest expense on time deposits. + References No definition available. + Details
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- Definition The amount of expense arising from interest. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2020-01-01 -Paragraph 23 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2020-en-r&anchor=para_23_d&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2020-01-01 -Paragraph 28 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2020-en-r&anchor=para_28_e&doctype=Standard -URIDate 2020-01-01 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2020-01-01 -Paragraph B13 -Subparagraph f -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2020-en-r&anchor=para_B13_f&doctype=Appendix&subtype=B -URIDate 2020-01-01 + Details
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- Definition The amount of interest expense on bank loans and overdrafts. [Refer: Interest expense; Bank overdrafts] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_112_c&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of interest expense on lease liabilities. [Refer: Lease liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2020-01-01 -Paragraph 53 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2020-en-r&anchor=para_53_b&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of interest expense on other financial liabilities. [Refer: Interest expense; Other financial liabilities] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_112_c&doctype=Standard -URIDate 2020-01-01 + Details
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