Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Assets and Liabilities Measured at Fair Value (Details)

v3.21.2
Fair Value Measurements - Assets and Liabilities Measured at Fair Value (Details) - Recurring Basis - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Level I    
Assets:    
Investment in private company $ 0  
Assets to fund deferred compensation liability 0 $ 0
Total assets 1,720 84,110
Liabilities:    
Contingent consideration 0 0
Deferred compensation liability 9,645 8,720
Total liabilities 9,645 8,720
Level I | Money Market Funds    
Assets:    
Money market funds 1,720 84,110
Level II    
Assets:    
Investment in private company 1,508  
Assets to fund deferred compensation liability 0 0
Total assets 1,508 0
Liabilities:    
Contingent consideration 0 0
Deferred compensation liability 0 0
Total liabilities 0 0
Level II | Money Market Funds    
Assets:    
Money market funds 0 0
Level III    
Assets:    
Investment in private company 0  
Assets to fund deferred compensation liability 10,753 9,961
Total assets 10,753 9,961
Liabilities:    
Contingent consideration 806 12,559
Deferred compensation liability 0 0
Total liabilities 806 12,559
Level III | Money Market Funds    
Assets:    
Money market funds 0 0
Fair Value    
Assets:    
Investment in private company 1,508  
Assets to fund deferred compensation liability 10,753 9,961
Total assets 13,981 94,071
Liabilities:    
Contingent consideration 806 12,559
Deferred compensation liability 9,645 8,720
Total liabilities 10,451 21,279
Fair Value | Money Market Funds    
Assets:    
Money market funds $ 1,720 $ 84,110