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Goodwill (Narrative) (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Goodwill, Impaired [Abstract]      
Goodwill $ 1,410   $ 1,410
Accumulated impairment 1,116   $ 1,116
Impairment loss on goodwill $ 0 $ 0