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Other Intangible Assets - Schedule Estimated Aggregate Future Amortization Expenses for Other Intangible Assets (Detail) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]    
2016 $ 970  
2017 925  
2018 657  
2019 657  
2020 47  
Intangible Assets, net $ 3,256 $ 4,226