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Fair Value Measurements - Fair Value Hierarchy (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Contingent consideration    
Fair Value Measurements    
Liabilities $ 6,600 $ 9,600
Recurring    
Fair Value Measurements    
Assets 216,594 415,775
Liabilities 204,776 388,142
Recurring | Mutual funds    
Fair Value Measurements    
Assets 97,675 101,085
Recurring | U.S. Treasury notes    
Fair Value Measurements    
Assets 41,948 136,665
Recurring | Corporate debt securities    
Fair Value Measurements    
Assets 76,837 172,658
Recurring | Convertible Senior Notes    
Fair Value Measurements    
Liabilities 198,217 378,553
Recurring | Contingent consideration    
Fair Value Measurements    
Liabilities 6,559 9,589
Recurring | Money market mutual fund    
Fair Value Measurements    
Assets 134 5,367
Recurring | Level 1    
Fair Value Measurements    
Assets 216,594 415,775
Recurring | Level 1 | Mutual funds    
Fair Value Measurements    
Assets 97,675 101,085
Recurring | Level 1 | U.S. Treasury notes    
Fair Value Measurements    
Assets 41,948 136,665
Recurring | Level 1 | Corporate debt securities    
Fair Value Measurements    
Assets 76,837 172,658
Recurring | Level 1 | Money market mutual fund    
Fair Value Measurements    
Assets 134 5,367
Recurring | Level 2    
Fair Value Measurements    
Liabilities 198,217 378,553
Recurring | Level 2 | Convertible Senior Notes    
Fair Value Measurements    
Liabilities 198,217 378,553
Recurring | Level 3    
Fair Value Measurements    
Liabilities 6,559 9,589
Recurring | Level 3 | Contingent consideration    
Fair Value Measurements    
Liabilities $ 6,559 $ 9,589