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Fair Value Measurements - Additional Information (Details)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended
Mar. 26, 2024
USD ($)
Mar. 14, 2024
USD ($)
$ / shares
Mar. 31, 2021
tranche
Mar. 31, 2024
USD ($)
security
contract
Dec. 31, 2023
USD ($)
contract
Dec. 31, 2022
warrant
shares
Debt Securities, Available-for-Sale [Line Items]            
Number of tranches | tranche     3      
Number of vested warrants | warrant           2
Equity securities (in shares) | shares           156,746
Number of securities with contractual maturity between one and five years | security       4    
Corporate debt securities       $ 104,819 $ 2,495  
Amortized cost       $ 105,945 $ 2,496  
Number of available-for-sale debt securities in gross unrealized loss position for less than one year | contract       26 1  
LianBio | License agreement            
Debt Securities, Available-for-Sale [Line Items]            
Proceeds from warrant cancellation payment $ 400          
LianBio            
Debt Securities, Available-for-Sale [Line Items]            
Special cash dividends paid   $ 700   $ 700    
Special cash dividend (usd per share) | $ / shares   $ 4.80        
Available-for-sale Debt Securities, Contractual Maturity Less Than 12 Months            
Debt Securities, Available-for-Sale [Line Items]            
Corporate debt securities       20,600    
Amortized cost       $ 20,600    
Minimum | Available-for-sale Debt Securities, Contractual Maturity Less Than 12 Months            
Fair Value Disclosures [Abstract]            
Contractual maturity       1 year    
Debt Securities, Available-for-Sale [Line Items]            
Contractual maturity       1 year    
Maximum | Available-for-sale Debt Securities, Contractual Maturity Less Than 12 Months            
Fair Value Disclosures [Abstract]            
Contractual maturity       2 years    
Debt Securities, Available-for-Sale [Line Items]            
Contractual maturity       2 years