v3.26.1
Subsequent Event (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 12 Months Ended
Mar. 04, 2026
Jan. 28, 2026
Jan. 27, 2026
Jan. 26, 2026
Dec. 31, 2027
Dec. 31, 2026
Dec. 31, 2025
Dec. 31, 2024
Feb. 27, 2026
Subsequent Event [Line Items]                  
Proceeds from issuance of common stock and warrants under PIPE financing, net             $ 190,077 $ 0  
Lease payments to be paid             $ 338    
US Dept of Commerce | Definitive Agreement (KPI) | Forecast                  
Subsequent Event [Line Items]                  
Proceeds from issuance of common stock and warrants under PIPE financing, net         $ 600,000        
Revolving credit facility           $ 250,000      
Subsequent Event | Texas Mineral Resources Corporation                  
Subsequent Event [Line Items]                  
Shares issued (in shares) 3,820                
Total purchase price $ 72,300                
Subsequent Event | Washington, D.C.                  
Subsequent Event [Line Items]                  
Lease payments to be paid                 $ 3,000
Subsequent Event | $1.50 Billion Private Investment in Public Equity                  
Subsequent Event [Line Items]                  
Proceeds from issuance of common stock and warrants under PIPE financing, net   $ 1,450,000 $ 1,500,000            
Conversion of 12% Series A Convertible Preferred Stock (in shares)   69,800              
Subsequent Event | US Dept of Commerce                  
Subsequent Event [Line Items]                  
Maximum award       $ 1,600,000          
Subsequent Event | US Dept of Commerce | Senior Secured Notes                  
Subsequent Event [Line Items]                  
Proceeds from government grants       $ 1,300,000          
Debt instrument, term       15 years          
Interest rate basis       1.50%          
Percentage of shares outstanding, warrants issued       10.00%          
Warrants to be issued (in shares)       17,500          
Exercise price (in Dollars per share)       $ 17.17          
Term       10 years          
Subsequent Event | US Dept of Commerce | Direct Funding Award                  
Subsequent Event [Line Items]                  
Maximum award       $ 277,000          
Common stock value to be issued       $ 277,000          
Subsequent Event | US Dept of Commerce | Direct Funding Award | Common Stock                  
Subsequent Event [Line Items]                  
Common stock to be issued (in shares)       16,100          
Share price (in dollars per share)       $ 17.17          
Subsequent Event | US Dept of Commerce | Definitive Agreement (KPI)                  
Subsequent Event [Line Items]                  
Amount needed to raise       $ 500,000