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Leases (Capital Leases Prior to Adoption of ASC 842) (Details) - USD ($)
$ in Thousands
Jan. 01, 2019
Dec. 31, 2018
Leases [Abstract]    
2019   $ 2,582
2020   744
2021   417
2022   76
2023   44
Total minimum lease payments   3,863
Less amount representing interest   260
Present value of net minimum lease payments   3,603
Less current portion $ 2,260 2,421
Capital lease obligations, long-term $ 1,185 $ 1,182