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Goodwill
6 Months Ended
Jun. 30, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill Goodwill
The following table reflects the changes in goodwill for the six months ended June 30, 2021:
(in thousands)
Balance at December 31, 2020$874,083 
Foreign currency translation(13,587)
Balance at June 30, 2021$860,496