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Estimated Aggregate Future Amortization Expense for Intangible Assets (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]    
For the six months ended December 31, 2014 $ 3,169  
For the twelve months ended December 31, 2015 5,988  
For the twelve months ended December 31, 2016 5,876  
For the twelve months ended December 31, 2017 5,319  
For the twelve months ended December 31, 2018 4,368  
Thereafter 26,325  
Total $ 51,045 $ 55,320