Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Financial Assets and Liabilities Carried at Fair Value on Recurring Basis (Details)

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Fair Value Measurements - Financial Assets and Liabilities Carried at Fair Value on Recurring Basis (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Transfers between Levels    
Transfer into Level 3 $ 0  
Transfer out of Level 3 0  
Level 1 to Level 2 transfers, Assets 0  
Level 2 to Level 1 transfers, Assets 0  
Level 1 to Level 2 transfers, Liabilities 0  
Level 2 to Level 1 transfers, Liabilities 0  
Recurring    
Assets:    
Equity securities 547 $ 774
Liabilities:    
Contingent consideration under RPAs and CPPAs 3,075 8,075
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Assets:    
Equity securities 547 774
Recurring | Significant Unobservable Inputs (Level 3)    
Liabilities:    
Contingent consideration under RPAs and CPPAs $ 3,075 $ 8,075