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Goodwill and Intangible Assets - Future Amortization Expense (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]    
2020 $ 1,017  
2021 1,017  
2022 1,017  
2023 561  
Thereafter 1,331  
Net Carrying Value $ 4,943 $ 5,661