v3.25.2
Joint Venture With General Motors - Schedule of Net Assets, Respective Interests and Non-controlling Interest (Details) - USD ($)
$ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Dec. 20, 2024
Schedule of Equity Method Investments [Line Items]      
Assets [1] $ 1,339,087 $ 1,044,944  
Liabilities [1] (303,252) (99,604)  
GM's non-controlling interest 419,514 310,336  
The Company's controlling interest 616,321 635,004  
Non-controlling interest in Lithium Nevada Ventures      
Balance at beginning of period 310,336    
Balance at end of period 419,514 310,336  
Lithium Nevada Ventures [Member]      
Schedule of Equity Method Investments [Line Items]      
Assets 1,197,306 888,486  
Liabilities (93,322) (71,813)  
Net Assets 1,103,984 816,673  
GM's non-controlling interest 419,514 310,336  
The Company's controlling interest 684,470 506,337  
Non-controlling interest in Lithium Nevada Ventures      
Balance at beginning of period 310,336 0  
Minority interest initial recognition 0   $ 310,441
GM FID capital contribution 110,804 0  
Non-controlling interests share of loss [2] (1,626) (105)  
Balance at end of period $ 419,514 $ 310,336  
[1] The Company is the primary beneficiary in a variable interest entity (“VIE”). See Note 6 for further information related to the Company’s VIE. The consolidated assets as of June 30, 2025 and December 31, 2024, include $1,197,306 and $888,486, respectively, of assets for the VIE that can only be used to settle the obligations of the VIE. As of June 30, 2025 and December 31, 2024, the assets include, respectively: Cash of $387,029 and $452,293; Receivables of $2 and $16; Prepaids and deposits of $2,155 and $6,091; Mineral properties, plant and equipment of $805,384 and $402,540; and, Other assets, non-current of $2,736 and $27,546. The VIE’s liabilities, as of June 30, 2025 and December 31, 2024, of $93,322 and $71,813, respectively, include $67,058 and $50,865 of liabilities whose creditors have no recourse to the Company. As of June 30, 2025 and December 31, 2024, the liabilities include, respectively: Accounts Payable of $5,684 and $684; Accrued liabilities of $38,067 and $24,083; Lease liabilities, current of $5,486 and $5,632; Lease liabilities, non-current of $14,033 and $16,678; Reclamation liabilities of $288 and $288; and, Other liabilities, non-current of $3,500 and $3,500.
[2] The Company allocates income and net assets between the controlling and non-controlling interests based on a hypothetical liquidation at book value.