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Investments and Fair Value Measurements - Narrative (Details) - USD ($)
Mar. 31, 2024
Mar. 01, 2024
Dec. 31, 2023
Feb. 28, 2022
Jun. 30, 2020
Debt Instrument [Line Items]          
Equity investment in a privately-held company $ 2,000,000   $ 2,000,000 $ 2,000,000  
Nonrecurring          
Debt Instrument [Line Items]          
Assets and liabilities measured at fair value on nonrecurring basis $ 0   0    
Convertible Senior Notes, Due 2029 | Convertible Debt          
Debt Instrument [Line Items]          
Stated interest rate on debt (as a percent) 1.00%        
Debt instrument, repurchase amount $ 313,100,000        
Convertible Senior Notes, Due 2029 | Convertible Debt | Level 2          
Debt Instrument [Line Items]          
Fair value of long-term debt 775,200,000        
Convertible Senior Notes, Due 2029 | Convertible Debt | Private Placement          
Debt Instrument [Line Items]          
Aggregate principal amount of debt 747,500,000        
Convertible Senior Notes, Due 2025 | Convertible Debt          
Debt Instrument [Line Items]          
Stated interest rate on debt (as a percent)         0.50%
Debt instrument, repurchase amount 313,100,000 $ 313,100,000      
Convertible Senior Notes, Due 2025 | Convertible Debt | Level 2          
Debt Instrument [Line Items]          
Fair value of long-term debt $ 409,900,000   $ 718,300,000    
Convertible Senior Notes, Due 2025 | Convertible Debt | Private Placement          
Debt Instrument [Line Items]          
Aggregate principal amount of debt         $ 747,500,000