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Goodwill and Intangbile Assets - Summary of Changes in Carrying Amount of Goodwill (Details)
$ in Thousands
6 Months Ended
Jun. 30, 2021
USD ($)
Goodwill RollForward  
Beginning balance $ 272,322
Goodwill acquired during period 890
Adjustments related to prior acquisitions (30)
Effects of changes in foreign currency exchange rates 1,661
Ending balance $ 274,843