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Intangible Assets - Estimated Amortization Expense (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Goodwill And Intangible Assets Disclosure [Abstract]    
Remainder of 2014 $ 167  
2015 223  
2016 223  
2017 223  
2018 223  
2019 223  
Thereafter 1,239  
Total $ 2,521 $ 2,577