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Fair Value of Financial Assets and Liabilities - Additional Information (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Fair Value, Measurements, Nonrecurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Debt securities $ 24,200 $ 9,900
Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Contingency consideration liability 19,527 31,481
Undiscounted value of payments, assuming that all contingencies are met $ 39,000 $ 51,300