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Goodwill and Other Intangible Assets - Estimated Amortization Expense Related to Amortized Intangible Assets (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Goodwill And Intangible Assets Disclosure [Abstract]  
2013 $ 631
2014 955
2015 757
2016 638
2017 844
Thereafter $ 625