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Basis of Presentation and Summary of Significant Accounting Policies - Other Investment (Details) - USD ($)
$ in Thousands
Sep. 30, 2024
Dec. 31, 2023
Summary of Investment Holdings    
Total other investments $ 11,908 $ 36,726
Equity Securities | Primrose Bio    
Summary of Investment Holdings    
Total other investments 6,712 32,726
Equity Securities | InvIOs    
Summary of Investment Holdings    
Total other investments 4,196 0
Neuritek warrants    
Summary of Investment Holdings    
Total other investments 0 3,000
Palvella Series C preferred stock    
Summary of Investment Holdings    
Total other investments $ 1,000 $ 1,000