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Financial instruments (Details 7) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | [1]
Financial instruments [Line Items] |  |
Currency | CLP | Turkish Lira
Series H bonds [Member] |  |
Financial instruments [Line Items] |  |
Contract amount | $ 155,214 |
Currency | UF |
Derivative contracts, Maturity | Jan. 05, 2023 |
Series O bonds [Member] |  |
Financial instruments [Line Items] |  |
Contract amount | $ 58,748 |
Currency | UF |
Derivative contracts, Maturity | Feb. 01, 2022 |
Series P Bonds [Member] |  |
Financial instruments [Line Items] |  |
Contract amount | $ 134,228 |
Currency | UF |
Derivative contracts, Maturity | Jan. 15, 2028 |
[1] | These Companies are subsidiaries of the associate Doktor Tarsa Tarim Sanayi AS.

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