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Significant Agreements - Narrative (Details) - USD ($)
$ in Millions
1 Months Ended
Aug. 31, 2025
Jul. 31, 2025
Sep. 30, 2025
Dec. 31, 2024
Juno Therapeutics, Inc. | Collaborative Arrangement, Research Collaboration and License Agreement        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Aggregate amount of the transaction price allocated to performance obligations that are partially unsatisfied     $ 66.7  
Cystic Fibrosis Foundation | Collaborative Arrangement, Cystic Fibrosis Foundation Agreement        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Upfront payment   $ 24.0    
Received cash funding $ 6.0      
Equity investment $ 6.0      
Royalty funding received (in percent)   250.00%    
Research funding liability   $ 6.0   $ 12.0