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Goodwill and Intangible Assets Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]          
Goodwill $ 69,168   $ 69,168   $ 49,246
Addition to goodwill 19,900   19,900    
Intangibles - period amortization expense [Abstract]          
Amortization expense $ 500 $ 1,000 $ 1,200 $ 3,000