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Commitments and Contingencies - Future Minimum Lease Payments on Non-Cancelable Operating Leases (Details)
$ in Thousands
Dec. 31, 2015
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
2016 $ 581
2017 515
2018 509
2019 $ 151
2020
2021 and thereafter
Total $ 1,756