v3.24.3
Investments and Fair Value Measurements - Additional Information (Detail)
 3 Months Ended 9 Months Ended
Sep. 30, 2024
USD ($)
security
Sep. 30, 2023
USD ($)
Sep. 30, 2024
USD ($)
security
Sep. 30, 2023
USD ($)
Dec. 31, 2023
USD ($)
security
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Proceeds from sale of available-for-sale securities $ 0 $ 0 $ 0 $ 694,600,000  
Credit or non-credit losses related to debt securities 0 0 0 0  
Available-for-sale debt securities in unrealized loss position $ 76,900,000   $ 76,900,000   $ 236,000,000.0
Number of securities in an unrealized loss position for greater than 12 months | security 0   0   0
Equity securities $ 52,600,000   $ 52,600,000   $ 32,600,000
Equity securities received as noncash consideration     41,500,000 17,300,000  
Aggregate purchase price 0   0   $ 0
Revenue 725,516,000 558,159,000 2,037,988,000 1,616,662,000  
Commercial Contract | Investment Agreement          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Revenue 9,600,000 14,700,000 42,700,000 67,400,000  
Publicly-Traded Equity Securities Held          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Unrealized gain (loss) from equity securities $ (5,400,000) $ (700,000) $ (12,200,000) $ (5,600,000)