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Goodwill and Intangible Assets - Expected Amortization Expense (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]    
2019 $ 609  
2020 518  
2021 66  
2022 66  
2023 26  
Net Carrying Amount $ 1,285 $ 1,894