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Commitments and Contingencies - Summary of Minimum Future Non-Cancelable Annual Operating Lease Obligations (Detail)
$ in Thousands
Dec. 31, 2016
USD ($)
Leases [Abstract]  
2017 $ 4,763
2018 4,944
2019 4,795
2020 4,909
2021 4,996
Thereafter 22,553
Total $ 46,960