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Fair Value Measurements, Cash Equivalents and Marketable Securities - Narrative (Details) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended
Jul. 31, 2022
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Realized gain (loss) on marketable debt securities   $ 0 $ 0 $ 0 $ 0  
Recognition of credit losses   0 0 0 0  
Lunit Inc.            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Lock up period 2 years          
Unrealized (loss) gain on marketable equity securities   15,500,000 $ 64,000,000.0 45,500,000 $ 67,900,000  
Fair Value, Measurements, Recurring            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Short-term marketable equity securities   52,463,000   52,463,000    
Long-term marketable equity securities           $ 98,002,000
Contingent consideration   6,960,000   6,960,000   6,540,000
Level 1 | Fair Value, Measurements, Recurring            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Short-term marketable equity securities   52,463,000   52,463,000    
Long-term marketable equity securities           98,002,000
Contingent consideration   0   0   0
Level 1 | Fair Value, Measurements, Recurring | Lunit Inc.            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Short-term marketable equity securities   52,500,000   52,500,000    
Long-term marketable equity securities           98,000,000.0
Level 3 | Fair Value, Measurements, Recurring            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Short-term marketable equity securities   0   0    
Long-term marketable equity securities           0
Contingent consideration   6,960,000   6,960,000   6,540,000
Contingent consideration liability, noncurrent   $ 3,500,000   $ 3,500,000   $ 5,000,000.0