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Leases - Schedule of Future Minimum Lease Payments Under ASC 840 (Details)
$ in Thousands
Dec. 31, 2018
USD ($)
Operating  
2019 $ 723
2020 0
2021 0
2022 0
2023 0
Thereafter 0
Total lease payments 723
Finance  
2019 419
2020 223
2021 77
2022 0
2023 0
Thereafter 0
Total lease payments $ 719