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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
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Goodwill $ 16,836   $ 16,836   $ 18,491
Intangible asset amortization 0 $ 205 406 $ 610  
Disposal Group, Disposed of by Sale, Not Discontinued Operations | The Business          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Goodwill $ 1,655   $ 1,655