v3.26.1
Asset Acquisition and Collaborative Arrangement (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Asset Acquisition [Line Items]        
Research and development [1] $ 122,365 $ 58,035 $ 214,104 $ 115,899
Warrant expense     11,331 $ 0
GE Aerospace        
Asset Acquisition [Line Items]        
Research and development 6,511   12,645  
Warrant expense 5,697   11,331  
GE Aerospace | Unvested warrants        
Asset Acquisition [Line Items]        
Unrecognized compensation cost 49,832   $ 49,832  
Biocogniv, Inc        
Asset Acquisition [Line Items]        
Total consideration consisted of common stock 10,797      
Payments for asset acquisitions 2,561      
Cash holdback payable $ 1,645      
Period of payments for asset acquisitions, payable in installment one 6 months      
Period of payments for asset acquisitions, payable in installment two 12 months      
In-process research and development expense $ 15,003      
Direct transaction expenses $ 1,144      
[1] Includes related party amounts of $5,697 and $0 attributable to warrant expense (research and development) and $136 and $(37) (general and administrative) for the three months ended June 30, 2026 and 2025, respectively. Includes related party amounts of $11,331 and $0 attributable to warrant expense (research and development) and $223 and $(140) (general and administrative) for the six months ended June 30, 2026 and 2025, respectively (see Note 12).