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Akeso License and Collaboration Agreement (Details) - USD ($)
$ in Thousands
 1 Months Ended 2 Months Ended 12 Months Ended
Mar. 06, 2023
Jan. 17, 2023
Jan. 31, 2023
Mar. 06, 2023
Dec. 31, 2023
Dec. 31, 2022
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]            
In-process research and development expense         $ 520,915 $ 0
Issuance of common stock in lieu of cash for Akeso upfront payment         $ 45,900  
Collaborative arrangement, transaction with party to collaborative arrangement            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]            
Collaborative arrangement, upfront payment       $ 500,000    
Cash payment for collaborative arrangement, upfront payment       474,900    
Collaborative arrangement, direct transaction costs       $ 115    
Collaborative arrangement, additional potential milestone payments     $ 4,500,000      
Collaborative arrangement, potential regulatory milestone payments     1,050,000      
Collaborative arrangement, potential commercial milestone payments     3,450,000      
Collaborative arrangement, transaction with party to collaborative arrangement, upfront payment one            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]            
Cash payment for collaborative arrangement, upfront payment   $ 274,900 $ 274,900      
Collaborative arrangement, common stock issued in lieu of cash upfront payment (in shares)   10,000,000 10,000,000      
Collaborative arrangement, upfront payment, paid in shares     $ 25,100      
Issuance of common stock in lieu of cash for Akeso upfront payment     $ 45,900      
Collaborative arrangement, transaction with party to collaborative arrangement, upfront payment two            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]            
Cash payment for collaborative arrangement, upfront payment $ 200,000