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Commitments and Contingencies - Future Minimum Commitments Under Lease Agreements (Details)
$ in Thousands
Dec. 31, 2016
USD ($)
Commitments and Contingencies.  
2017 $ 1,842
2018 2,024
2019 2,084
2020 2,018
2021 1,984
Thereafter 1,348
Total $ 11,300