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Leases - Future Minimum Operating Lease Payments (Details)
$ in Thousands
Dec. 31, 2019
USD ($)
Leases [Abstract]  
2020 $ 711
2021 609
2022 539
2023 453
2024 438
2025 and thereafter 1,276
Total future minimum lease payments 4,026
Less: Imputed interest 453
Total $ 3,573