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Goodwill and Intangible Assets (Details) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2020
Dec. 31, 2019
Goodwill [Roll Forward]    
Balance $ 23,344 $ 705
Acquisitions   22,639
Measurement period adjustments (12,848)  
Effect of change in foreign currency exchange rates (24)  
Balance $ 10,472 $ 23,344