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Commitments And Contingencies (Leases Future Minimum Payments By Years And In The Aggregate) (Details)
$ in Thousands
Dec. 31, 2018
USD ($)
Commitments And Contingencies Disclosure [Abstract]  
2019 $ 2,495
2020 2,345
2021 2,152
2022 1,842
2023 1,655
Thereafter 29,232
Lease obligations, total $ 39,721