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Commitments and Contingencies - Schedule Future Minimum Payments on Leases (Detail)
$ in Thousands
Dec. 31, 2016
USD ($)
Leases [Abstract]  
Operating Leases, 2017 $ 7,097
Operating Leases, 2018 6,717
Operating Leases, 2019 5,968
Operating Leases, 2020 3,280
Operating Leases, 2021 1,357
Operating Leases, Thereafter 3,009
Operating Leases, Total minimum lease payments $ 27,428