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Accumulated Other Comprehensive Loss - Components of Accumulated Other Comprehensive Loss (Parenthetical) (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Accumulated Other Comprehensive Income Loss Net Of Tax [Abstract]    
Unrealized gains on available for sale securities, income tax expense (benefit) $ 37 $ 134
Unrealized loss on interest rate swaps, income tax expense (benefit) $ 167 $ 302