Other financial instruments (Details 4) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| IfrsStatementLineItems [Line Items] | ||
| Balance at the beginning of the year | $ (13,670) | $ (16,064) |
| Changes in fair value | 9,608 | 81 |
| Foreign exchanges effects | (1,496) | 2,313 |
| Energy forward contracts (Megawatts) | ||
| Balance at the end of the year | (5,558) | (13,670) |
| Notional [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Balance at the beginning of the year | 747,498 | 688,877 |
| Changes in fair value | ||
| Foreign exchanges effects | ||
| Energy forward contracts (Megawatts) | (95,314) | 58,621 |
| Balance at the end of the year | $ 652,184 | $ 747,498 |