v3.26.1
Organization - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Apr. 16, 2026
Feb. 28, 2026
Jan. 31, 2026
Aug. 31, 2024
Jun. 30, 2026
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Class Of Stock [Line Items]                  
Accumulated deficit         $ (3,967,289) $ (3,967,289)   $ (2,869,102)  
Net proceeds from issuance of common stock           $ 1,651,355 $ 0    
Common Stock                  
Class Of Stock [Line Items]                  
Net proceeds from issuance of common stock $ 1,651,400       141,900        
Aggregate gross proceeds through equity issuance maximum potential amount   $ 1,000,000              
Issuance of common stock upon offering, net of offering costs, shares 12,147,887                
Proceeds from issuance of common stock gross $ 1,725,000                
Sale of stock, price per share $ 142                
2024 ATM Program | Common Stock                  
Class Of Stock [Line Items]                  
Net proceeds from issuance of common stock   $ 84,800 $ 84,800         $ 347,900 $ 59,500
Aggregate gross proceeds through equity issuance maximum potential amount       $ 500,000          
Issuance of common stock upon offering, net of offering costs, shares   880,098 880,098         6,163,501 1,147,893
Proceeds from issuance of common stock gross   $ 86,100 $ 86,100         $ 353,400 $ 60,400
Commissions and expenses   $ 1,300 $ 1,300            
2026 ATM Program | Common Stock                  
Class Of Stock [Line Items]                  
Issuance of common stock upon offering, net of offering costs, shares           1,455,299      
Proceeds from issuance of common stock gross         $ 144,100