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Leases (Schedule Of Future Minimum Lease Payments) (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Leases [Abstract]    
2020 (excluding the three months ended March 31, 2020) $ 562  
2021 682  
2022 694  
2023 589  
2024 452  
Thereafter 1,640  
Total future minimum lease payments 4,619  
Less imputed interest 617  
Total $ 4,002 $ 4,154