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Goodwill and Intangibles - Goodwill activity (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Goodwill [Roll Forward]        
Beginning balance     $ 17,376,000  
Impairment $ 0 $ 4,100,000 0 $ 4,100,000
Ending balance $ 17,376,000   $ 17,376,000