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Commitments and Contingencies - Future Minimum Rental Payments Required Under Operating Leases (Details)
$ in Thousands
Mar. 31, 2017
USD ($)
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]  
2015 $ 3,140
2016 2,950
2017 2,658
2018 2,659
2019 2,207
Thereafter 1,549
Total minimum lease payments $ 15,163