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Other Non-current Assets - Narrative (Details)
$ / shares in Units, $ / shares in Units, $ in Thousands, $ in Millions
1 Months Ended 9 Months Ended
Feb. 11, 2025
USD ($)
Feb. 11, 2025
CAD ($)
$ / shares
Sep. 23, 2024
USD ($)
$ / shares
Sep. 23, 2024
CAD ($)
Dec. 28, 2022
shares
Feb. 28, 2025
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2024
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Other Non-current Assets                    
Proceeds from investments             $ 854 $ 1,178    
Fair value of investment                 $ 900  
Investment in Maritime                    
Other Non-current Assets                    
Price per share (in dollars per share) | $ / shares     $ 0.034              
Proceeds from investments     $ 1,200 $ 1.6            
Fair value of investment                   $ 1,600
Investment in Green Light Metals                    
Other Non-current Assets                    
Number of shares received in conversion of promissory note | shares         12,250,000          
Ownership percentage         28.50%          
Price per share (in dollars per share) | $ / shares   $ 0.1                
Proceeds from investments $ 900 $ 1.2       $ 900        
Fair value of investment                 $ 852