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Future Minimum Payments Under Non-Cancelable Portion of Operating Leases (Detail)
$ in Thousands
Sep. 30, 2015
USD ($)
Commitments And Contingencies Disclosure [Abstract]  
2015 (remaining) $ 602
2016 2,312
2017 2,361
2018 1,306
2019 480
Thereafter 1,561
Total $ 8,622