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Leases (Schedule of Future Minimum Lease Commitments under Previous Lease Accounting Standard) (Details)
$ in Thousands
Dec. 31, 2018
USD ($)
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]  
2019 $ 1,496
2020 1,528
2021 1,562
2022 1,222
2023 1,155
Thereafter 2,582
Total minimum lease payments $ 9,545