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Other income and expenses, net (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Other Income And Expenses Net      
ICMS tax incentives (i) $ 32,338 $ 56,697
Changes in fair value of offtake agreement - note 16 (e) (3,347) 2,268 24,267
Pre-operating expenses related to Aripuanã (ii) (45,800)
Impairment of other assets (iii) (9,302)
Changes in fair value of derivative financial instruments – note 16 (c) 746 (1,385) 1,363
(Loss) gain on sale and write-off of property, plant and equipment (16,183) (3,734) (698)
Changes in asset retirement, restoration and environmental obligations – note 27 13,750 (10,125) (1,512)
Slow moving and obsolete inventory (10,897) (4,372) (11,511)
Provision for legal claims 1,908 (13,892) (7,664)
Contribution to communities (14,554) (13,134) (17,233)
Tax Voluntary disclosure (iv) (86,906)
Changes in fair value of energy forward contracts – note 16 (d) 81 (15,663)
Divestment and restructuring (v) 9,028
Others (14,043) 4,021 8,719
Total other income and expenses, net  $ (33,511) $ (110,584) $ (2,674)