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Equity Offerings - Additional Information (Detail) - USD ($)
 1 Months Ended 3 Months Ended 9 Months Ended
Jul. 09, 2025
Jul. 07, 2025
Mar. 09, 2025
Jul. 31, 2025
Feb. 28, 2025
Sep. 30, 2025
Sep. 30, 2025
Dec. 31, 2024
Class of Stock [Line Items]                
Common stock, par value           $ 0.0001 $ 0.0001 $ 0.0001
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 $ 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]                
Common stock, par value         $ 0.0001      
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 $ 22,800,000              
Additional consideration   $ 0            
Aggregate proceeds, net of issuance costs $ 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        
Underwriting Agreement [Member] | Common Stock [Member]                
Class of Stock [Line Items]                
Common stock, par value   $ 0.0001            
Number of shares issued   14,165,708            
Sale of stock, price per share   $ 55.49