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Goodwill and Intangible Assets - Future Amortization Expense (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract]    
2019 $ 662  
2020 455  
2021 66  
Thereafter 0  
Total $ 1,183 $ 1,878