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Debt (Maturities of debt and capital leases excluding unamortized debt issuance costs) (Details)
$ in Thousands
Dec. 31, 2018
USD ($)
Maturities of Long-term Debt [Abstract]  
2019 $ 3,479
2020 9,625
2021 776
2022 821
2023 300,823
2024 and thereafter 5,095
Long-term debt and capital leases $ 320,619