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Accounting And Reporting Policies - Future Amortization Expense of Finite-Lived Intangible Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]    
2019 $ 75  
2020 75  
2021 75  
2022 75  
2023 75  
Thereafter 62  
Total $ 437 $ 512