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Fair Value Measurements - Narrative (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Gross Unrealized Losses More Than 12 Months $ 65,672   $ 88,694
Gross Unrealized Losses Less Than 12 Months 6,841   13,504
Interest earned on marketable securities 17,200 $ 15,600  
Investment in equity securities, carrying value 30,700   76,900
Impairment of strategic investments 46,154 $ 0  
2029 Senior Notes | Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair value of the notes 437,400   410,900
2031 Senior Notes | Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair value of the notes 427,500   399,400
Corporate Debt Securities      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Unrealized losses 2,400,000   2,700,000
Gross Unrealized Losses More Than 12 Months 1,900,000   2,000,000
Gross Unrealized Losses Less Than 12 Months $ 420,200   $ 620,500