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Commitments and Contingencies - Summary of Minimum Rental Commitments under Operating Leases (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Commitments And Contingencies Disclosure [Abstract]  
2014 $ 1,477
2015 1,699
2016 2,840
2017 2,764
2018 and thereafter 18,471
Operating Leases $ 27,251