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Commitments and Contingencies - Future Minimum Lease Payments Due Under Operating Leases (Detail)
$ in Thousands
Jun. 30, 2016
USD ($)
Commitments And Contingencies Disclosure [Abstract]  
Remainder of 2016 $ 1,003
2017 2,026
2018 2,033
2019 2,051
2020 2,016
2021 6
Thereafter 1
Total future minimum lease payments $ 9,136