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Note 23 - Derivative Financial Instruments (Tables) | 12 Months Ended
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Dec. 31, 2018
Statement Line Items [Line Items] |
Disclosure of detailed information about derivative financial instruments [text block] |
|  | Year ended December 31,
|  | 2018 |  | 2017
Derivatives hedging borrowings and investments |  |  | 5,604 |  |  |  | 2,036 |
Other Derivatives |  |  | 3,621 |  |  |  | 6,194 |
Contracts with positive fair values (*) |  |  | 9,225 |  |  |  | 8,230 |
Derivatives hedging borrowings and investments |  |  | (11,667 | ) |  |  | (34,770 | )
Other Derivatives |  |  | (311 | ) |  |  | (5,029 | )
Contracts with negative fair values |  |  | (11,978 | ) |  |  | (39,799 | )
Total |  |  | (2,753 | ) |  |  | (31,569 | )
Disclosure of detailed information about hedged items [text block] |
|  |  |  |  |  | Fair Value |  | Hedge Accounting Reserve
Purchase currency |  | Sell currency |  | Term |  | 2018 |  | 2017 |  | 2018 |  | 2017
ARS |  | USD |  |  | 2019 |  |  |  | (6,542 | ) |  |  | (13,715 | ) |  |  | (895 | ) |  |  | (1,067 | )
USD |  | ARS |  |  | 2018 |  |  |  | - |  |  |  | 22 |  |  |  | - |  |  |  | - |
USD |  | BRL |  |  | 2019 |  |  |  | (131 | ) |  |  | (17 | ) |  |  | - |  |  |  | - |
EUR |  | USD |  |  | 2019 |  |  |  | 203 |  |  |  | 5,660 |  |  |  | - |  |  |  | 1,881 |
USD |  | EUR |  |  | 2018 |  |  |  | - |  |  |  | (367 | ) |  |  | - |  |  |  | - |
MXN |  | USD |  |  | 2019 |  |  |  | 888 |  |  |  | (20,447 | ) |  |  | (411 | ) |  |  | (534 | )
USD |  | MXN |  |  | 2018 |  |  |  | - |  |  |  | 490 |  |  |  | - |  |  |  | - |
JPY |  | USD |  |  | 2019 |  |  |  | 271 |  |  |  | (101 | ) |  |  | - |  |  |  | - |
USD |  | KWD |  |  | 2019 |  |  |  | 522 |  |  |  | (630 | ) |  |  | 390 |  |  |  | (520 | )
USD |  | CAD |  |  | 2019 |  |  |  | 2,089 |  |  |  | (2,072 | ) |  |  | - |  |  |  | - |
Others |  |  |  |  |  |  |  |  | (53 | ) |  |  | (392 | ) |  |  | - |  |  |  | - |
Total |  |  |  |  |  |  |  |  | (2,753 | ) |  |  | (31,569 | ) |  |  | (916 | ) |  |  | (240 | )
Disclosure of detailed information of the hedge reserve evolution [text block] |
|  | Equity Reserve Dec-16 |  | Movements 2017 |  | Equity Reserve Dec-17 |  | Movements 2018 |  | Equity Reserve Dec-18
Foreign Exchange |  |  | (4,742 | ) |  |  | 4,502 |  |  |  | (240 | ) |  |  | (676 | ) |  |  | (916 | )
Total Cash flow Hedge |  |  | (4,742 | ) |  |  | 4,502 |  |  |  | (240 | ) |  |  | (676 | ) |  |  | (916 | )

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