v3.26.1
PROPERTY, PLANT AND EQUIPMENT (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
IfrsStatementLineItems [Line Items]      
Net book value at December 31, 2022 $ 610,784    
Depletion and amortization (70,723) $ (61,847) $ (46,816)
Cost 386,860 342,893 290,877
Net book value at December 31, 2023 945,354 610,784  
Mineral Properties [Member]      
IfrsStatementLineItems [Line Items]      
Net book value at December 31, 2022 312,312 318,651 242,858
Additions 79,312 28,921 45,261
Bluestone acquisition 46,990    
Mineração Serra Grande acquisition 89,833    
Depletion and amortization (33,925)    
Transfers 41,425   1,637
Disposals (1,171) (956) (264)
Net book value at December 31, 2023 534,776 312,312 318,651
Cost 831,232 574,843 546,878
Accumulated Depreciation (296,456) (262,531) (228,227)
Net book value at December 31, 2023 534,776 312,312 318,651
Depreciation   (34,304) (24,895)
Borborema Inc acquisition (Note 5)     54,054
Land and buildings      
IfrsStatementLineItems [Line Items]      
Net book value at December 31, 2022 51,948 53,861 43,667
Additions 9,379 7,216 5,027
Bluestone acquisition 20,337    
Mineração Serra Grande acquisition 34,334    
Depletion and amortization (13,025)    
Transfers 12,756   11,239
Disposals (181) (397) (204)
Net book value at December 31, 2023 115,548 51,948 53,861
Cost 651,468 136,822 130,003
Accumulated Depreciation (535,920) (84,874) (76,142)
Net book value at December 31, 2023 115,548 51,948 53,861
Depreciation   (8,732) (5,868)
Borborema Inc acquisition (Note 5)    
Furniture Fixtures [Member]      
IfrsStatementLineItems [Line Items]      
Net book value at December 31, 2022 9,835 10,719 13,292
Additions 1,940 1,102 717
Bluestone acquisition 96    
Mineração Serra Grande acquisition 37    
Depletion and amortization (3,378)    
Transfers   (1,777)
Disposals (247) (190) (80)
Net book value at December 31, 2023 8,283 9,835 10,719
Cost 576,669 26,609 25,697
Accumulated Depreciation (568,386) (16,774) (14,978)
Net book value at December 31, 2023 8,283 9,835 10,719
Depreciation   (1,796) (1,433)
Borborema Inc acquisition (Note 5)    
Plant And Machinery [Member]      
IfrsStatementLineItems [Line Items]      
Net book value at December 31, 2022 63,692 62,138 20,267
Additions 4,236 11,873 4,465
Bluestone acquisition 1,980    
Mineração Serra Grande acquisition 10,410    
Depletion and amortization (24,314)    
Transfers 182,332   43,707
Disposals (60) (3,335)
Net book value at December 31, 2023 238,276 63,692 62,138
Cost 773,741 192,955 184,417
Accumulated Depreciation (535,465) (129,263) (122,279)
Net book value at December 31, 2023 238,276 63,692 62,138
Depreciation   (6,984) (6,301)
Borborema Inc acquisition (Note 5)    
Right-of-use assets      
IfrsStatementLineItems [Line Items]      
Net book value at December 31, 2022 29,609 37,814 44,437
Additions 6,926 2,711 3,584
Bluestone acquisition    
Mineração Serra Grande acquisition 3,186    
Depletion and amortization (12,229)    
Transfers  
Disposals (11) (176)
Net book value at December 31, 2023 27,481 29,609 37,814
Cost 584,944 54,952 52,241
Accumulated Depreciation (557,463) (25,343) (14,427)
Net book value at December 31, 2023 27,481 29,609 37,814
Depreciation   (10,916) (10,031)
Borborema Inc acquisition (Note 5)    
Assets Under Construction [Member]      
IfrsStatementLineItems [Line Items]      
Net book value at December 31, 2022 143,388 5,550 14,011
Additions 103,251 137,848 46,345
Bluestone acquisition 5,818    
Mineração Serra Grande acquisition 5,046    
Depletion and amortization    
Transfers (236,513)   (54,806)
Disposals (10)
Net book value at December 31, 2023 20,990 143,388 5,550
Cost 452,445 143,388 5,550
Accumulated Depreciation (431,455)
Net book value at December 31, 2023 20,990 143,388 5,550
Depreciation  
Borborema Inc acquisition (Note 5)    
Total [Member]      
IfrsStatementLineItems [Line Items]      
Net book value at December 31, 2022 610,784 488,733 378,532
Additions 205,044 189,671 105,399
Bluestone acquisition 75,221    
Mineração Serra Grande acquisition 142,846    
Depletion and amortization (86,871)    
Transfers  
Disposals (1,670) (4,888) (724)
Net book value at December 31, 2023 945,354 610,784 488,733
Cost 3,870,499 1,129,569 944,786
Accumulated Depreciation (2,925,145) (518,785) (456,053)
Net book value at December 31, 2023 $ 945,354 610,784 488,733
Depreciation   $ (62,732) (48,528)
Borborema Inc acquisition (Note 5)     $ 54,054