Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements (Details)

v3.19.3.a.u2
Fair Value Measurements (Details) - Recurring Basis - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Level I    
Assets    
Assets to fund deferred compensation liability $ 0 $ 0
Total assets 37,730 265,554
Liabilities:    
Contingent consideration liability 0 0
Deferred compensation liability 8,208 6,196
Total liabilities 8,208 6,196
Level I | Money market funds    
Assets    
Money market funds 37,730 265,554
Level II    
Assets    
Assets to fund deferred compensation liability 0 0
Total assets 0 0
Liabilities:    
Contingent consideration liability 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    
Assets to fund deferred compensation liability 8,390 6,346
Total assets 8,390 6,346
Liabilities:    
Contingent consideration liability 9,045 732
Deferred compensation liability 0 0
Total liabilities 9,045 732
Level III | Money market funds    
Assets    
Money market funds 0 0
Fair Value    
Assets    
Assets to fund deferred compensation liability 8,390 6,346
Total assets 46,120 271,900
Liabilities:    
Contingent consideration liability 9,045 732
Deferred compensation liability 8,208 6,196
Total liabilities 17,253 6,928
Fair Value | Money market funds    
Assets    
Money market funds $ 37,730 $ 265,554