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Goodwill (Details) - Summary of activity in goodwill - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Summary of activity in goodwill [Abstract]    
Beginning balance $ 17,792 $ 16,353
Acquired goodwill 4,325 1,439
Ending balance $ 22,117 $ 17,792