v3.20.4
Goodwill and Intangible Assets - Changes in Carrying Amount of Goodwill (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Goodwill And Intangible Assets Disclosure [Abstract]    
Goodwill, beginning balance $ 761,153 $ 632,370
Goodwill acquired 162,747 134,255
Goodwill divested   (2,682)
Foreign currency translation 15,359 (2,790)
Goodwill, ending balance $ 939,259 $ 761,153