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Marketable Securities and Equity Investments - Additional Information (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Summary of cash, cash equivalents and marketable securities          
Allowance for credit loss for available-for-sale debt securities $ 0 $ 0 $ 0 $ 0  
Realized gain (loss) amount 0 0 0 0  
Debt securities fair value, unrealized loss position 4,600,000,000   4,600,000,000    
Unrealized loss 23,400,000   23,400,000    
Available for sale debt securities with fair value 382,400,000   382,400,000    
Fair value of available-for-sale debt securities in unrealized loss positions for greater than 12 months 3,500,000   3,500,000    
Original cost basis 72,100,000   72,100,000   $ 72,100,000
Reduction in carrying value of equity investments without readily determinable fair value, based on an observable price decrease 24,300,000   24,300,000    
Publicly Traded Companies Sale          
Summary of cash, cash equivalents and marketable securities          
Proceeds received     0 95,100,000  
Original cost basis   $ 57,300,000   $ 57,300,000  
Other Assets          
Summary of cash, cash equivalents and marketable securities          
Equity securities without readily determinable fair value, amount $ 85,300,000   $ 85,300,000