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Commitments and Contingencies - Schedule of Future Operating Lease Obligations (Detail)
$ in Thousands
Dec. 31, 2015
USD ($)
Commitments And Contingencies Disclosure [Abstract]  
Operating Leases, 2016 $ 9,343
Operating Leases, 2017 9,542
Operating Leases, 2018 9,743
Operating Leases, 2019 5,065
Operating Leases, Future Minimum Lease Payments $ 33,693