Income and expenses - Raw materials and energy consumption for production (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Disclosure of operating expenses. | |||
| Purchases of raw materials, supplies and goods | $ 588,245,000 | $ 699,210,000 | $ 732,661,000 |
| Changes in inventories | 18,042,000 | 19,738,000 | 83,033,000 |
| Energy | 122,267,000 | 171,308,000 | (28,651,000) |
| Others | 182,040,000 | 119,911,000 | 78,556,000 |
| Write-down of raw materials | 1,581,000 | 3,377,000 | 2,192,000 |
| Write-down of finished goods | 21,356,000 | 13,586,000 | 11,495,000 |
| Total Raw materials and energy consumption for production | 933,531,000 | 1,027,130,000 | 879,286,000 |
| Energy costs offset | 29,157,000 | $ 63,032,000 | $ 186,211,000 |
| Changes In The Fair Value of Energy Derivatives. | $ 42,263,000 | ||