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Property, plant and equipment - Types and Classes of Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Property, plant and equipment [abstract]      
Land $ 24,698 $ 23,481  
Buildings 340,807 285,487  
Other property, plant and equipment 135,091 62,739  
Transport equipment 8,125 9,165  
Supplies and accessories 4,405 4,139  
Office equipment 1,435 1,158  
Network and communication equipment 1,518 1,605  
Mining assets 162,074 154,715  
IT equipment 5,281 2,092  
Energy generating assets 2,269 2,893  
Construction in progress 1,957,128 1,834,041  
Machinery, plant and equipment 1,790,814 1,228,422  
Total 4,433,645 3,609,937 $ 2,726,838
Description Of Classes Of Property, Plant And Equipment [Abstract]      
Pumps 133,863 61,385  
Conveyor Belt 15,622 16,589  
Crystallizer 60,888 56,930  
Plant Equipment 332,127 285,653  
Tanks 62,657 39,422  
Filter 79,456 69,246  
Electrical equipment/facilities 149,728 110,255  
Other Property, Plant & Equipment 326,923 68,967  
Site Closure 34,828 40,696  
Piping 207,595 142,013  
Well 167,942 156,621  
Pond 36,627 34,957  
Spare Parts 182,558 145,688  
Total 1,790,814 1,228,422  
Historical cost      
Property, plant and equipment [abstract]      
Land 24,698 23,481  
Buildings 947,585 851,706  
Other property, plant and equipment 378,013 291,053  
Transport equipment 21,737 22,143  
Supplies and accessories 32,863 31,132  
Office equipment 13,820 13,346  
Network and communication equipment 11,411 11,644  
Mining assets 370,504 341,837  
IT equipment 33,819 29,384  
Energy generating assets 38,929 38,929  
Construction in progress 1,957,128 1,834,041  
Machinery, plant and equipment 4,989,892 4,189,794  
Total 8,820,399 7,678,490  
Description Of Classes Of Property, Plant And Equipment [Abstract]      
Total 4,989,892 4,189,794  
Accumulated depreciation and amortization      
Property, plant and equipment [abstract]      
Buildings (606,778) (566,219)  
Other property, plant and equipment (242,922) (228,314)  
Transport equipment (13,612) (12,978)  
Supplies and accessories (28,458) (26,993)  
Office equipment (12,385) (12,188)  
Network and communication equipment (9,893) (10,039)  
Mining assets (208,430) (187,122)  
IT equipment (28,538) (27,292)  
Energy generating assets (36,660) (36,036)  
Machinery, plant and equipment (3,199,078) (2,961,372)  
Total (4,386,754) (4,068,553)  
Description Of Classes Of Property, Plant And Equipment [Abstract]      
Total $ (3,199,078) $ (2,961,372)