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Commitments and Contingencies - Future Minimum Lease Payments under Operating Leases (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Commitments and Contingencies Disclosure [Abstract]  
2014 (remaining three months) $ 1,855
2015 6,812
2016 4,798
2017 3,933
2018 3,430
Thereafter 7,956
Total minimum payments $ 28,784