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Commitments and Contingencies - Schedule of minimum lease payments (Details)
$ in Thousands
Dec. 31, 2016
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
2017 $ 1,743
2018 1,278
2019 4
2020 0
2021 0
Thereafter 0
Total minimum lease payments 3,025
Estimated sublease payments (not included in minimum lease payments) (633)
Total minimum lease payments, net of estimated sublease income $ 2,392