XML 70 R55.htm IDEA: XBRL DOCUMENT v3.24.3
License Agreements - Merus (Details)
$ in Thousands
 1 Months Ended 3 Months Ended 9 Months Ended 94 Months Ended
Dec. 31, 2016
item
Sep. 30, 2024
USD ($)
shares
Jun. 30, 2024
USD ($)
shares
Sep. 30, 2023
USD ($)
Sep. 30, 2024
USD ($)
shares
Sep. 30, 2023
USD ($)
Sep. 30, 2024
USD ($)
shares
Dec. 31, 2023
USD ($)
License Agreements                
Long term equity investments   $ 27,566     $ 27,566   $ 27,566 $ 187,716 [1]
Realized and unrealized (loss) gain on equity investments   $ (12,982)   $ (26,654) $ 126,206 $ 9,839    
Merus                
License Agreements                
Shares divested (in shares) | shares   1,000,000.0 3,000,000.0          
Proceeds from sale of equity securities, FV-NI   $ 55,500 $ 160,600          
Common stock held from investment (in shares) | shares   0     0   0  
Long term equity investments               $ 110,100
Realized and unrealized (loss) gain on equity investments   $ (4,100)     $ 106,100      
Unrealized gain (loss) on long term investments       $ (9,100)   $ 29,500    
Merus                
License Agreements                
Number of independent programs | item 10              
Milestone payment made under license agreement             $ 10,000  
[1] The condensed consolidated balance sheet at December 31, 2023 has been derived from the audited consolidated financial statements at that date.