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Leases - Future Minimum Operating Lease Payments (Details)
$ in Thousands
Sep. 30, 2019
USD ($)
Leases [Abstract]  
2019 $ 190
2020 677
2021 574
2022 512
2023 453
2024 and thereafter 1,714
Total future minimum lease payments 4,120
Less: Imputed interest 487
Total operating lease liabilities $ 3,633