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LOANS, 2014 and 2018 Notes (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 ARS ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 ARS ($)
Issuance of notes [Abstract] |  |  |  |
Repurchase of note | [1] | $ 1,328,029 |  | $ 125,951
Cancellation and redemption of note |  | $ 4,796,243 |  | $ 0
2014 EMTN Program [Member] | Top of Range [Member] |  |  |  |
Issuance of notes [Abstract] |  |  |  |
Maximum principal amount |  |  | $ 400,000,000 |
2014 Note [Member] |  |  |  |
Issuance of notes [Abstract] |  |  |  |
Principal amount |  |  | $ 255,451,506 |
Interest rate |  |  | 9.625% |
Frequency of interest payment |  | Semiannual, payable el May 14 and November 14 of each year | Semiannual, payable el May 14 and November 14 of each year |
Guarantor |  | None | None |
Percentage of cash flows discounted at an effective rate |  |  | 10.126% |
Repurchase of note |  |  | $ 86,511,165 |
Cancellation and redemption of note |  |  | $ 120,786,581 |
2014 Note [Member] | May 14, 2014 [Member] |  |  |  |
Issuance of notes [Abstract] |  |  |  |
Percentage of original principal amount |  |  | 25.00% |
2014 Note [Member] | May 14, 2018 [Member] |  |  |  |
Issuance of notes [Abstract] |  |  |  |
Percentage of original principal amount |  |  | 25.00% |
2014 Note [Member] | May 14, 2019 [Member] |  |  |  |
Issuance of notes [Abstract] |  |  |  |
Percentage of original principal amount |  |  | 25.00% |
2014 Note [Member] | May 14, 2020 [Member] |  |  |  |
Issuance of notes [Abstract] |  |  |  |
Percentage of original principal amount |  |  | 25.00% |
2018 Note [Member] |  |  |  |
Issuance of notes [Abstract] |  |  |  |
Principal amount |  |  | $ 500,000,000 |
Interest rate |  |  | 6.75% |
Issuance price |  |  | 99.725% |
Frequency of interest payment |  | Semiannual, payable el May 2 and November 2 of each year | Semiannual, payable el May 2 and November 2 of each year |
Guarantor |  | None | None |
Percentage of cash flows discounted at an effective rate |  |  | 7.088% |
2018 Note [Member] | May 2, 2025 [Member] |  |  |  |
Issuance of notes [Abstract] |  |  |  |
Percentage of original principal amount |  |  | 100.00% |
2018 Note [Member] | Top of Range [Member] |  |  |  |
Issuance of notes [Abstract] |  |  |  |
Maximum principal amount |  |  | $ 700,000,000 |
[1] | For the years ended on December 31, 2018 and 2017, Ps. 101,968 and Ps. 66,075 respectively were cancelled through the offseting of debit balances maintained with the creditor (Pampa Energia).

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