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Leases (Details-6)
$ in Thousands
Dec. 31, 2018
USD ($)
Operating Leases Future Minimum Payments Due [Abstract]  
Minimum lease payments, 2019 $ 1,646
Minimum lease payments, 2020 1,371
Minimum lease payments, 2021 1,095
Minimum lease payments, 2022 989
Minimum lease payments, 2023 975
Minimum lease payments, Thereafter $ 22,707