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Intangible Assets - Schedule of Amortization Expense of Intangible Assets (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Goodwill And Intangible Assets Disclosure [Abstract]    
2014 $ 1,777  
2015 1,478  
2016 916  
2017 206  
2018 128  
Thereafter 453  
Total intangible assets $ 4,958 $ 7,043