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Leases (Schedule of Future Minimum Obligations for Operating Leases as Determined Prior to Adoption of ASU 2016-02) (Details)
$ in Thousands
Dec. 31, 2018
USD ($)
Remaining Maturities of Lease Liabilities [Abstract]  
2019 $ 4,403
2020 3,588
2021 3,575
2022 3,467
2023 3,533
Thereafter 23,271
Total $ 41,837