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Commitments and Contingencies - Summary of Future Annual Minimum Rental Commitments Under Non-Cancellable Operating Lease (Detail)
$ in Thousands
Dec. 31, 2015
USD ($)
Commitments And Contingencies Disclosure [Abstract]  
2016 $ 3,952
2017 2,978
2018 2,546
2019 1,456
2020 1,106
2021 and thereafter 5,089
Operating Leases, Future Minimum Payments Due, Total $ 17,127