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Future Minimum Payments Under Non-Cancelable Portion of Operating Leases (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Operating Leased Assets [Line Items]  
2014 (remaining) $ 1,679
2015 2,282
2016 2,332
2017 2,382
2018 1,350
Thereafter 2,496
Total $ 12,521