v3.26.1
Fair Value Measurements - Additional Information (Detail)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
$ / shares
shares
Jun. 30, 2026
USD ($)
$ / shares
shares
Jan. 26, 2026
Dec. 31, 2025
USD ($)
Sep. 30, 2021
shares
Schedule Of Changes In The Fair Value Of Warrant Liabilities [Line Items]          
Class of warrants, exercise price per share | $ / shares $ 1.38 $ 1.38      
Other noncurrent assets | $ $ 372,680 $ 372,680   $ 165,391  
Class of warrant redeemed 0 0      
Recognized net unrealized gains | $ $ 63,000 $ 50,200      
Price Volatility / Revenue Volatility [Member]          
Schedule Of Changes In The Fair Value Of Warrant Liabilities [Line Items]          
Business combination, contingent consideration, measurement input 0.30 0.30 0.25    
Discount Rate [Member]          
Schedule Of Changes In The Fair Value Of Warrant Liabilities [Line Items]          
Business combination, contingent consideration, measurement input 0.066 0.066 0.058    
Probability of Achievement [Member] | Minimum [Member] | Technical Milestones [Member]          
Schedule Of Changes In The Fair Value Of Warrant Liabilities [Line Items]          
Business combination, contingent consideration, measurement input     0.50    
Probability of Achievement [Member] | Maximum [Member] | Technical Milestones [Member]          
Schedule Of Changes In The Fair Value Of Warrant Liabilities [Line Items]          
Business combination, contingent consideration, measurement input     0.95    
Series A and Series B Private Warrants [Member]          
Schedule Of Changes In The Fair Value Of Warrant Liabilities [Line Items]          
Number of warrants or rights outstanding 79,053,330 79,053,330      
Series A and Series B Private Warrants [Member] | Price Volatility / Revenue Volatility [Member]          
Schedule Of Changes In The Fair Value Of Warrant Liabilities [Line Items]          
Expected stock-price volatility 1 1   0.95  
Commercial Contract on Investment Agreement [Member]          
Schedule Of Changes In The Fair Value Of Warrant Liabilities [Line Items]          
Revenue recognized from commercial contract | $ $ 3,400 $ 8,700      
Public Warrants [Member]          
Schedule Of Changes In The Fair Value Of Warrant Liabilities [Line Items]          
Number of warrants or rights outstanding 1,065,043 1,065,043     7,500,000
Class of warrant redeemed 0 0