v3.26.1
Supplemental Disclosure With Respect to Cash Flows - Schedule of Other Cash Information (Details) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Supplemental Cash Flow Information [Abstract]    
Interest received $ 17,840 $ 2,728
Interest paid (554) (721)
Non-cash investing and financing activities    
Total non-cash additions to mineral properties, plant and equipment composed of: 158,564 59,924
Right-of-use assets obtained in exchange for new finance lease liabilities 1,511 0
Capitalization of stock-based compensation 1,311 626
Capitalization of depreciation 43,347 2,419
Capitalization of interest on the Orion Investment 12,256 7,638
Capitalization of interest on the DOE Loan 20,255 0
Capitalization of non-cash interest 226 221
Deposits on long-lead equipment and other long-term prepaids 0 24,058
Other non-cash transactions including working capital changes 79,658 24,962
Right-of-use assets obtained in exchange for new operating lease liabilities 2,020 34
Settlement of LAC Warrant obligation through issuance of equity-classified warrants $ 88,786 $ 0