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Commitments and Contingencies - Operating Lease Commitments (Detail)
$ in Thousands
Jun. 30, 2015
USD ($)
Operating Leases Future Minimum Payments Due [Abstract]  
Remainder of 2015 $ 661
2016 1,308
2017 1,194
2018 1,108
2019 1,038
2020 437
Total commitments $ 5,746