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Commitments and Contingencies - Future Operating Lease Commitments (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Leases [Abstract]  
Remainder of 2014 $ 301
2015 1,290
2016 1,304
2017 1,200
2018 1,111
2019 1,038
2020 437
Total commitments $ 6,681