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Fair Value Measurements - Schedule of Rollforward of the Debt Securities and Contingent Consideration Liabilities Valued Using Level 3 Inputs (Details) - Level 3 - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Jun. 30, 2024
Dec. 31, 2023
Jun. 30, 2023
Dec. 31, 2022
Contingent consideration                
Liabilities                
Contingent consideration, beginning of period $ 38,408 $ 54,910 $ 56,200 $ 78,100        
Reduction for payments made 0 0 (14,492) (16,390)        
Increase (reduction) of liability related to re-measurement of fair value (4,000) 0 (7,300) (6,800)        
Contingent consideration, end of period 34,408 54,910 34,408 54,910        
Debt investments                
Assets                
Debt securities, beginning of period 24,443 24,339 24,443 24,339 $ 0 $ 0 $ 0 $ 0
Purchases (sales), net 24,443 24,339 24,443 24,339        
Debt securities, end of period $ 24,443 $ 24,339 $ 24,443 $ 24,339