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Operating Leases (Schedule Of Future Minimum Lease Payments Required Under Noncancelable Operating Lease Agreements) (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Leases [Abstract]    
2019   $ 1,095
2020   1,298
2021   1,049
2022   1,064
2023   1,080
2024 & Thereafter   3,049
Total lease payments $ 4,564 $ 8,635