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Goodwill and Other Intangible Assets - WesBanco's Capitalized Other Intangible Assets and Related Accumulated Amortization (Detail) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Other intangible assets:    
Gross carrying amount $ 37,725 $ 28,674
Accumulated amortization (18,341) (18,338)
Net carrying amount of other intangible assets $ 19,384 $ 10,336