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Remaining Estimated Amortization Expense (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Goodwill And Intangible Assets [Line Items]    
2014 (remaining six months) $ 4,579  
2015 8,254  
2016 7,844  
2017 7,426  
2018 6,168  
Thereafter 19,504  
Finite intangible assets, Net Carrying Amount $ 53,775 $ 58,355