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Commitments and Contingencies (Details)
$ in Thousands
Dec. 31, 2016
USD ($)
Future Minimum Rental Payments For Operating Leases [Line Items]  
2018 $ 1,453
2019 1,144
2020 987
2021 865
2022 710
Thereafter 3,006
Operating Leases, Future Minimum Payments Due $ 8,165