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Leases (Details) $ in Thousands | Dec. 31, 2017 USD ($)
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Operating Leases, Future Minimum Payments Due, By Year [Abstract] |
2018 | $ 1,648
2019 | 1,565
2020 | 1,556
2021 | 1,397
2022 | 1,410
Thereafter | 4,820
Total | $ 12,396

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