v3.26.1
Investment in Cauchari-Olaroz Project - Schedule of Amounts Presented in Financial Statements of Joint Venture (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
CURRENT ASSETS        
Cash and cash equivalents $ 61,134 $ 85,543 $ 122,293 $ 194,471
Total current assets 84,712 117,409    
Non-current assets 1,015,068 1,013,814    
Non-current liabilities (1,892) (21)    
Finance costs 31,940 25,176 22,702  
Foreign exchange (loss)/gain 693 (2,147) (19,579)  
Deferred tax expense/(recovery) 420 (10,659) 10,659  
NET (LOSS)/INCOME (76,880) (15,240) 1,288,369  
Ganfeng        
CURRENT ASSETS        
Sales 23,209      
Minera Exar S.A.        
CURRENT ASSETS        
Total current assets 431,365 312,354    
Non-current assets 1,409,357 1,479,969    
Current liabilities - Third-party loans (242,910) (161,059)    
Current liabilities - loans from Exar Capital   (584,474)    
Derivative liability on loans from Exar Capital   (53,211)    
Other current liabilities (61,599) (72,824)    
Non-current liabilities - third-party loans (49,781) (49,315)    
Non-current liabilities - loans from Exar Capital (911,338) (455,821)    
Non-current liabilities - loans from PGCo (71,537) (67,355)    
Derivative liability on loans from Exar Capital and PGCo (10,614) (47,352)    
Other non-current liabilities (90,633) (88,997)    
Net assets 402,310 211,915    
Sales 271,467 197,685 34,521  
Cost of sales (238,513) (177,980) (27,799)  
Gross profit 32,954 19,705 6,722  
Selling and distribution expenses (20,575) (13,500) (1,773)  
Administrative and other expenses (11,000) (8,329) (5,317)  
Finance costs (138,595) (36,189)    
Foreign exchange (loss)/gain (9,700) (85,889)    
Derivative gain/(loss) 89,949 (3,713) 254,498  
Other income/(expense) 3,592 (3,865)    
Deferred tax expense/(recovery) 14,614 (72,833) (124,587)  
NET (LOSS)/INCOME (38,761) (32,835) 129,543  
Exar Capital B.V.        
CURRENT ASSETS        
Cash and cash equivalents 16,823 14,103    
Loans advanced to Minera Exar   584,474    
Other receivables 26,789 32,122    
Other current assets 2,965 1,132    
Total current assets 46,577 631,831    
Non-current assets 911,338 455,821    
Other current liabilities (1,984) (24,894)    
Non-current liabilities (36,553) (13,155)    
Net assets 66,266 67,182    
Interest income on loans to Minera Exar 115,232 113,364 83,357  
Other income/(expense) (8,457) (12,454) (12,472)  
NET (LOSS)/INCOME 2,404 6,541 9,142  
Exar Capital B.V. | Lithium Americas        
CURRENT ASSETS        
Current liabilities Loans Received (308,333) (380,415)    
Interest expense (39,939) (44,043) (33,067)  
Exar Capital B.V. | Ganfeng        
CURRENT ASSETS        
Current liabilities Loans Received (544,779) (602,006)    
Interest expense $ (64,432) $ (63,408) $ (46,960)