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ASSETS AND LIABILITIES IN FORREIGN CURRENCY (Details) $ in Thousands, $ in Thousands | Dec. 31, 2019 ARS ($) $ / $ | Dec. 31, 2019 USD ($) $ / $ | Dec. 31, 2018 ARS ($) | Dec. 31, 2018 USD ($)
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CURRENT ASSETS [Abstract] |  |  |  |  |
Total current assets |  | $ 18,030,160 |  | $ 31,393,580 |
CURRENT LIABILITIES [Abstract] |  |  |  |  |
Total current liabilities |  |  |  | 6,037,764 |
NON CURRENT LIABILITIES [Abstract] |  |  |  |  |
Total non-current liabilities |  | 31,860,717 |  | 31,003,715 |
TOTAL LIABILITIES |  | 38,517,531 |  | 37,041,479 |
Trade Payables [Member] |  |  |  |  |
CURRENT LIABILITIES [Abstract] |  |  |  |  |
Total current liabilities |  | 4,113,571 |  | 4,756,554 |
Loans [Member] |  |  |  |  |
CURRENT LIABILITIES [Abstract] |  |  |  |  |
Total current liabilities |  | 1,722,087 |  | 681,225 |
Loans [Member] |  |  |  |  |
NON CURRENT LIABILITIES [Abstract] |  |  |  |  |
Total non-current liabilities |  | 31,860,717 |  | 31,003,715 |
Cash and Cash Equivalents [Member] |  |  |  |  |
CURRENT ASSETS [Abstract] |  |  |  |  |
Total current assets |  | 9,765,201 |  | 25,605,137 |
Derivative Financial Instruments [Member] |  |  |  |  |
CURRENT ASSETS [Abstract] |  |  |  |  |
Total current assets |  | 274,024 |  | 335,773 |
Other Financial Assets at Amortized Cost [Member] |  |  |  |  |
CURRENT ASSETS [Abstract] |  |  |  |  |
Total current assets |  | 1,043,960 |  | 8,790 |
Trade Receivables [Member] |  |  |  |  |
CURRENT ASSETS [Abstract] |  |  |  |  |
Total current assets |  | 6,473,759 |  | 4,791,109 |
Other Receivables [Member] |  |  |  |  |
CURRENT ASSETS [Abstract] |  |  |  |  |
Total current assets |  | 473,216 |  | 652,771 |
Foreign Currency [member] |  |  |  |  |
CURRENT ASSETS [Abstract] |  |  |  |  |
Total current assets |  | 12,496,715 | $ 209,360 | 23,012,017 | $ 398,911
CURRENT LIABILITIES [Abstract] |  |  |  |  |
Total current liabilities |  | 5,350,515 | 89,339 | 3,127,679 | 53,930
NON CURRENT LIABILITIES [Abstract] |  |  |  |  |
Total non-current liabilities |  | 32,680,742 | 545,679 | 31,003,715 | 534,595
TOTAL LIABILITIES |  | 38,031,257 | 635,018 | 34,131,394 | 588,525
Foreign Currency [member] | Trade Payables [Member] |  |  |  |  |
CURRENT LIABILITIES [Abstract] |  |  |  |  |
Total current liabilities |  | $ 3,569,145 | $ 59,595 | 2,446,454 | 42,184
NON CURRENT LIABILITIES [Abstract] |  |  |  |  |
Exchange rate (in Ps. per dollars) | $ / $ | [1] | 59.890 | 59.890 |  |
Foreign Currency [member] | Loans [Member] |  |  |  |  |
CURRENT LIABILITIES [Abstract] |  |  |  |  |
Total current liabilities |  | $ 1,722,087 | $ 28,754 | 681,225 | 11,746
NON CURRENT LIABILITIES [Abstract] |  |  |  |  |
Exchange rate (in Ps. per dollars) | $ / $ | [1] | 59.890 | 59.890 |  |
Foreign Currency [member] | Loans [Member] |  |  |  |  |
NON CURRENT LIABILITIES [Abstract] |  |  |  |  |
Total non-current liabilities |  | $ 31,860,717 | $ 531,987 | 31,003,715 | 534,595
Exchange rate (in Ps. per dollars) | $ / $ | [1] | 59.890 | 59.890 |  |
Foreign Currency [member] | Contract Liabilities [Member] |  |  |  |  |
CURRENT LIABILITIES [Abstract] |  |  |  |  |
Total current liabilities |  | $ 59,283 | $ 990 | 0 | 0
NON CURRENT LIABILITIES [Abstract] |  |  |  |  |
Total non-current liabilities |  | $ 820,025 | $ 13,692 | 0 | 0
Exchange rate (in Ps. per dollars) | $ / $ | [1] | 59.890 | 59.890 |  |
Foreign Currency [member] | Cash and Cash Equivalents [Member] |  |  |  |  |
CURRENT ASSETS [Abstract] |  |  |  |  |
Total current assets |  | $ 8,590,585 | $ 143,920 | 20,826,043 | 361,017
NON CURRENT LIABILITIES [Abstract] |  |  |  |  |
Exchange rate (in Ps. per dollars) | $ / $ | [2] | 59.690 | 59.690 |  |
Foreign Currency [member] | Derivative Financial Instruments [Member] |  |  |  |  |
CURRENT ASSETS [Abstract] |  |  |  |  |
Total current assets |  | $ 274,024 | $ 4,591 | 335,773 | 5,821
NON CURRENT LIABILITIES [Abstract] |  |  |  |  |
Exchange rate (in Ps. per dollars) | $ / $ | [2] | 59.690 | 59.690 |  |
Foreign Currency [member] | Other Financial Assets at Amortized Cost [Member] |  |  |  |  |
CURRENT ASSETS [Abstract] |  |  |  |  |
Total current assets |  | $ 1,040,605 | $ 17,433 | 0 | 0
NON CURRENT LIABILITIES [Abstract] |  |  |  |  |
Exchange rate (in Ps. per dollars) | $ / $ | [2] | 59.690 | 59.690 |  |
Foreign Currency [member] | Trade Receivables [Member] |  |  |  |  |
CURRENT ASSETS [Abstract] |  |  |  |  |
Total current assets |  | $ 2,572,102 | $ 43,091 | 1,752,536 | 30,380
NON CURRENT LIABILITIES [Abstract] |  |  |  |  |
Exchange rate (in Ps. per dollars) | $ / $ | [2] | 59.690 | 59.690 |  |
Foreign Currency [member] | Other Receivables [Member] |  |  |  |  |
CURRENT ASSETS [Abstract] |  |  |  |  |
Total current assets |  | $ 19,399 | $ 325 | $ 97,665 | $ 1,693
NON CURRENT LIABILITIES [Abstract] |  |  |  |  |
Exchange rate (in Ps. per dollars) | $ / $ | [2] | 59.690 | 59.690 |  |
[1] | Sell exchange rate at the end of fiscal year
[2] | Buy exchange rate at the end of fiscal year

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