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Goodwill and Intangible Assets - Amortization Expense Related to Intangible Assets (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Amortization expense related to intangible assets:  
Remainder of 2014 $ 14
2015 51
2016 51
2017 51
2018 51
2019 39
Total $ 257