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Financial Instruments Risks - Breakdown by Contractual Maturity of Financial Liabilities (Details) - ARS ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
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Up to 1 month [member] |  |
Breakdown by contractual maturity of financial liabilities [line items] |  |
Breakdown By Contractual Maturity Of Financial Assets | $ 99,748,118 | $ 116,535,072
Breakdown by contractual maturity of financial liabilities | 305,122,145 | 410,555,522
From more than 1 month to 3 month [member] |  |
Breakdown by contractual maturity of financial liabilities [line items] |  |
Breakdown By Contractual Maturity Of Financial Assets | 26,654,927 | 40,166,007
Breakdown by contractual maturity of financial liabilities | 24,232,243 | 35,150,020
From more than 3 month to 6 month [member] |  |
Breakdown by contractual maturity of financial liabilities [line items] |  |
Breakdown By Contractual Maturity Of Financial Assets | 14,580,725 | 40,614,599
Breakdown by contractual maturity of financial liabilities | 8,684,764 | 13,601,856
From more than 6 month to 12 month [member] |  |
Breakdown by contractual maturity of financial liabilities [line items] |  |
Breakdown By Contractual Maturity Of Financial Assets | 19,415,772 | 25,896,503
Breakdown by contractual maturity of financial liabilities | 5,740,511 | 5,120,730
From more than 12 month to 24 month [member] |  |
Breakdown by contractual maturity of financial liabilities [line items] |  |
Breakdown By Contractual Maturity Of Financial Assets | 27,857,740 | 33,588,065
Breakdown by contractual maturity of financial liabilities | 1,172,095 | 2,783,466
More than 24 months [member] |  |
Breakdown by contractual maturity of financial liabilities [line items] |  |
Breakdown By Contractual Maturity Of Financial Assets | 41,914,222 | 64,047,294
Breakdown by contractual maturity of financial liabilities | 3,696,017 | 58,130
Total of financial liabilities [member] |  |
Breakdown by contractual maturity of financial liabilities [line items] |  |
Breakdown By Contractual Maturity Of Financial Assets | 230,171,504 | 320,847,540
Breakdown by contractual maturity of financial liabilities | $ 348,647,775 | $ 467,269,724

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