v3.26.1
Segmented Information - Summary of Reportable Segments and Corporate Assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure Of Operating Segments [Line Items]      
Property, plant and equipment $ 9,374 $ 8,988  
Exploration and evaluation assets 341,014 343,794  
Total assets 1,099,780 1,131,223  
Total liabilities (282,847) (240,293)  
Income from discontinued operations 0 0 $ 1,270,788
(Loss)/income from continuing operations (76,880) (15,240) 17,581
Net Income (loss) (76,880) (15,240) 1,288,369
Exploration expenditures (6,689) (10,078) $ (21,214)
Operating Segments      
Disclosure Of Operating Segments [Line Items]      
Property, plant and equipment 9,374 8,988  
Exploration and evaluation assets 341,014 343,794  
Total assets 1,099,780 1,131,223  
Total liabilities (282,847) (240,293)  
Property, plant and equipment additions 875 971  
(Loss)/income from continuing operations (76,880) (15,240)  
Exploration expenditures (6,689) (10,078)  
Depreciation (489) (758)  
Interest expense (27,837) (25,176)  
Operating Segments | Cauchari-Olaroz      
Disclosure Of Operating Segments [Line Items]      
Property, plant and equipment 0 0  
Exploration and evaluation assets 0 0  
Total assets 409,762 421,270  
Total liabilities 0 0  
Property, plant and equipment additions 0 0  
(Loss)/income from continuing operations (39,766) (28,232)  
Exploration expenditures 0 0  
Interest expense 0 0  
Operating Segments | Pastos Grandes      
Disclosure Of Operating Segments [Line Items]      
Property, plant and equipment 8,444 8,584  
Exploration and evaluation assets 340,999 343,779  
Total assets 606,805 614,286  
Total liabilities (14,869) (575)  
Property, plant and equipment additions 0 764  
(Loss)/income from continuing operations (5,564) 4,614  
Exploration expenditures (6,333) (9,819)  
Depreciation (140) (208)  
Interest expense 0 0  
Operating Segments | Corporate      
Disclosure Of Operating Segments [Line Items]      
Property, plant and equipment 930 404  
Exploration and evaluation assets 15 15  
Total assets 83,213 95,667  
Total liabilities (267,978) (239,718)  
Property, plant and equipment additions 875 207  
(Loss)/income from continuing operations (31,550) 8,378  
Exploration expenditures (356) (259)  
Depreciation (349) (550)  
Interest expense $ (27,837) $ (25,176)