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Goodwill and Intangibles (Schedule of Changes) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Goodwill [Roll Forward]    
Balance at January 1 $ 41,366 $ 82,092
Adjustment to goodwill during measurement period (2,205) 0
Foreign exchange adjustment (397) (465)
Balance at March 31 $ 38,764 $ 81,627