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LOANS, Activity of Loans (Details) - ARS ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Activity of Loans [Abstract] |  |  |  |
Beginning balance |  | $ 3,917,000 | [1] | $ 3,335,192
Accrued interest |  | 381,390 |  | 362,127
Effect of foreign exchange rate change |  | 500,729 |  | 710,651
VAT unpaid installments |  | 4,883 |  | 0
Financial leasing |  | 0 |  | 750,389
Payment of principal | [2] | (78,384) |  | (916,490)
Interest paid | [3] | (226,588) |  | (324,869)
Ending balance | [1] | 4,499,030 |  | $ 3,917,000
Amount cancelled through offsetting of principal payments maintained with creditor |  | 37,951 |  |
Amount cancelled through offsetting of interest paid maintained with creditor |  | $ 44,457 |  |
[1] | Issuance expenses net.
[2] | As of December 31, 2017, Ps. 37,951 were cancelled through the offsetting of debit balances maintained with the creditor (Pampa Energia).
[3] | As of December 31, 2017, Ps. 44,457 were cancelled through the offsetting of debit balances maintained with the creditor (Pampa Energia).

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- Definition The amount of outstanding funds that the entity is obligated to repay. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_55&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The increase (decrease) in the net investment in finance lease. [Refer: Net investment in finance lease] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2019-01-01 -Name IFRS -Number 16 -IssueDate 2017-01-01 -Paragraph 93 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=16&date=2017-03-01&anchor=para_93&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount cancelled through the offsetting of debit balances maintained with the creditor. + References No definition available. + Details
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- Definition The amount cancelled through the offsetting of debit balances maintained with the creditor. + References No definition available. + Details
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