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Basis of Presentation and Summary of Significant Accounting Policies - Other Investment (Details) - USD ($)
$ in Thousands
Jun. 30, 2024
Dec. 31, 2023
Summary of Investment Holdings    
Other investments $ 10,741 $ 36,726
Equity securities in Primrose Bio    
Summary of Investment Holdings    
Other investments 6,741 32,726
Neuritek warrants    
Summary of Investment Holdings    
Other investments 3,000 3,000
Palvella Series C preferred stock    
Summary of Investment Holdings    
Other investments $ 1,000 $ 1,000