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Provisions - Changes in Provisions (Details) - ARS ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Disclosure Of Changes In The Provisions [Line Items] |  |
PROVISIONS | $ 7,234,088 | $ 3,577,276
Increases | 4,520,836 | 6,871,516
Provisions reversals | (675,173) |
Provisions used | (3,070,743) | (3,214,704)
Inflation adjustment | (1,981,407) |
PROVISIONS | 6,027,601 | 7,234,088
Other provisions [member] |  |
Disclosure Of Changes In The Provisions [Line Items] |  |
PROVISIONS | 3,310,543 | 2,826,834
Increases | 1,124,419 | 3,200,103
Provisions reversals | (28,587) |
Provisions used | (742,649) | (2,716,394)
Inflation adjustment | (1,029,881) |
PROVISIONS | 2,633,845 | 3,310,543
Provision for Commercial Claims [member] |  |
Disclosure Of Changes In The Provisions [Line Items] |  |
PROVISIONS | 2,605,366 | 2,251,611
Increases | 750,096 | 2,648,272
Provisions used | (630,636) | (2,294,517)
Inflation adjustment | (766,894) |
PROVISIONS | 1,957,932 | 2,605,366
Provisions labor-related [member] |  |
Disclosure Of Changes In The Provisions [Line Items] |  |
PROVISIONS | 278,001 | 354,470
Increases | 139,933 | 175,162
Provisions used | (72,920) | (251,631)
Inflation adjustment | (94,110) |
PROVISIONS | 250,904 | 278,001
Provisions tax claims [member] |  |
Disclosure Of Changes In The Provisions [Line Items] |  |
PROVISIONS | 143,757 | 146,001
Increases | 119,771 | 92,895
Provisions used | (26,773) | (95,139)
Inflation adjustment | (53,804) |
PROVISIONS | 182,951 | 143,757
Others [member] |  |
Disclosure Of Changes In The Provisions [Line Items] |  |
PROVISIONS | 283,419 | 74,752
Increases | 114,619 | 283,774
Provisions reversals | (28,587) |
Provisions used | (12,320) | (75,107)
Inflation adjustment | (115,073) |
PROVISIONS | 242,058 | 283,419
Provisions for reorganization [member] |  |
Disclosure Of Changes In The Provisions [Line Items] |  |
PROVISIONS | 2,690,285 |
Increases | 2,858,723 | 3,188,547
Provisions reversals | (646,586) |
Provisions used | (2,328,094) | (498,262)
Inflation adjustment | (545,166) |
PROVISIONS | 2,029,162 | 2,690,285
Financial guarantees and loan commitments [member] |  |
Disclosure Of Changes In The Provisions [Line Items] |  |
PROVISIONS | 1,233,260 | 750,442
Increases | 537,694 | 482,866
Provisions used |  | (48)
Inflation adjustment | (406,360) |
PROVISIONS | $ 1,364,594 | $ 1,233,260

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