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FINANCIAL RISK MANAGEMENT, Foreign Exchange Risk (Details) - Foreign Exchange Risk [Member] - ARS ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Foreign exchange risk [Abstract] |  |  |
Percentage of funds denominated in US dollars to mitigate foreign exchange risk | 88.00% |  |
Percentage appreciation (depreciation) of US Dollar against Argentine Peso | 10.00% |  |
Pretax income | $ 2,564,896 | $ 1,138,128 | $ 399,846
U.S. Dollars [Member] | Liquids Production and Commercialization [Member] |  |  |
Foreign exchange risk [Abstract] |  |  |
Percentage of revenue | 87.00% | 77.00% | 76.00%
Argentine Pesos [Member] | Liquids Production and Commercialization [Member] |  |  |
Foreign exchange risk [Abstract] |  |  |
Percentage of revenue | 53.00% | 59.00% | 51.00%

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- Definition The percentage of the entity's revenue. [Refer: Revenue] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 8 -IssueDate 2019-01-01 -Paragraph 34 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2019-en-r&anchor=para_34&doctype=Standard -URIDate 2019-03-27 + Details
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Balance Type: | na
Period Type: | duration

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- Definition Refers to decrease in the amount of profit (loss) due to foreign exchange transaction. + References No definition available. + Details
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- References No definition available. + Details
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- Definition Refers to the percentage increase (decrease) in US dollar rate against argentine peso. + References No definition available. + Details
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- Definition Refers to the percentage of funds denominated in US dollars to mitigate the foreign exchange risk. + References No definition available. + Details
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- Details
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- Details
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- Details
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Balance Type: |
Period Type: |

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- Details
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