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Goodwill (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Goodwill [Roll Forward]    
Beginning balance $ 20,923 $ 20,079
Adjustment to original acquisition allocation 0 (12)
Impact of foreign exchange (447) 515
Ending balance $ 36,428 $ 20,582