v3.26.3
Equity Offerings - Additional Information (Detail) - USD ($)
 1 Months Ended 3 Months Ended 9 Months Ended
Oct. 14, 2025
Oct. 10, 2025
Jul. 09, 2025
Jul. 07, 2025
Mar. 09, 2025
Oct. 31, 2025
Jul. 31, 2025
Feb. 28, 2025
Sep. 30, 2025
Sep. 30, 2025
Sep. 30, 2026
Class of Stock [Line Items]                      
Issuance of common stock in connection with at-the-market offering, net of issuance costs                 $ 1,000 $ 358,256,000  
Class of warrants, exercise price per share                     $ 1.38
Common Stock [Member]                      
Class of Stock [Line Items]                      
Issuance of common stock in connection with at-the-market offering, net of issuance costs                 $ 1,000 $ 3,000  
Issuance of common stock in connection with at-the-market offering, net of issuance costs (in shares)                 14,165,708 30,204,168  
At The Market Offering [Member]                      
Class of Stock [Line Items]                      
Issuance of common stock in connection with at-the-market offering, net of issuance costs               $ 500,000,000      
Proceeds of sale of common shares percentage               3.25%      
Issuance of common stock in connection with at-the-market offering, net of issuance costs (in shares)         16,038,460            
Aggregate purchase price         $ 358,300,000            
Stock issuance costs         $ 14,300,000            
Underwriting Agreement [Member]                      
Class of Stock [Line Items]                      
Stock issuance costs $ 22,900,000   $ 22,800,000                
Aggregate proceeds, net of issuance costs $ 1,977,100,000   $ 977,200,000                
Underwriting Agreement [Member] | Series A Prefunded Warrants [Member]                      
Class of Stock [Line Items]                      
Number of shares issued       3,855,557     3,855,557        
Sale of stock, price per share             $ 0.0001        
Class of warrants, exercise price per share       $ 55.49              
Underwriting Agreement [Member] | Series A Private Warrants [Member]                      
Class of Stock [Line Items]                      
Number of shares issued       36,042,530     36,042,530        
Sale of stock, price per share             $ 99.88        
Additional consideration       $ 0              
Underwriting Agreement [Member] | Series B Private Warrants [Member]                      
Class of Stock [Line Items]                      
Number of shares issued   43,010,800       43,010,800          
Sale of stock, price per share           $ 155          
Additional consideration   $ 0                  
Underwriting Agreement [Member] | Series B PreFunded Warrants [Member]                      
Class of Stock [Line Items]                      
Number of shares issued   5,005,400       5,005,400          
Sale of stock, price per share           $ 0.0001          
Class of warrants, exercise price per share   $ 93                  
Underwriting Agreement [Member] | Common Stock [Member]                      
Class of Stock [Line Items]                      
Number of shares issued   16,500,000   14,165,708              
Sale of stock, price per share   $ 93   $ 55.49