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Commitments - Minimum Future Lease Payments Obligations (Detail)
$ in Thousands
Dec. 31, 2015
USD ($)
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]  
Operating Leases, 2016 $ 934
Operating Leases, 2017 841
Operating Leases, 2018 947
Operating Leases, 2019 843
Operating Leases, 2020 868
Operating Leases, Thereafter 2,124
Operating Leases, Total $ 6,557