v3.22.2.2
Fair value of financial instruments and marketable securities - Hierarchy (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Financial assets and liabilities measured at fair value on recurring basis    
Marketable securities - available for sale $ 71,000 $ 376,685
Contingent consideration payable 157,700 239,900
Recurring basis    
Financial assets and liabilities measured at fair value on recurring basis    
ClearPoint Equity Investments 13,412 14,525
ClearPoint convertible debt security 18,579 20,971
Recurring basis | Quoted prices in active markets for identical assets (Level 1)    
Financial assets and liabilities measured at fair value on recurring basis    
ClearPoint Equity Investments 13,412 14,525
Recurring basis | Significant other observable inputs (Level 2)    
Financial assets and liabilities measured at fair value on recurring basis    
ClearPoint convertible debt security 18,579 20,971
Recurring basis | Development and Regulatory Milestones    
Financial assets and liabilities measured at fair value on recurring basis    
Contingent consideration payable 78,500 139,300
Recurring basis | Development and Regulatory Milestones | Significant unobservable inputs (Level 3)    
Financial assets and liabilities measured at fair value on recurring basis    
Contingent consideration payable 78,500 139,300
Recurring basis | Net Sales Milestones and Royalties    
Financial assets and liabilities measured at fair value on recurring basis    
Contingent consideration payable 79,200 100,600
Recurring basis | Net Sales Milestones and Royalties | Significant unobservable inputs (Level 3)    
Financial assets and liabilities measured at fair value on recurring basis    
Contingent consideration payable 79,200 100,600
Recurring basis | Marketable securities    
Financial assets and liabilities measured at fair value on recurring basis    
Marketable securities - available for sale 71,000 376,685
Marketable securities - equity investments 113,008 206,973
Recurring basis | Marketable securities | Quoted prices in active markets for identical assets (Level 1)    
Financial assets and liabilities measured at fair value on recurring basis    
Marketable securities - equity investments 113,008 206,973
Recurring basis | Marketable securities | Significant other observable inputs (Level 2)    
Financial assets and liabilities measured at fair value on recurring basis    
Marketable securities - available for sale $ 71,000 $ 376,685