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Accumulated Other Comprehensive Loss - Components of Accumulated Other Comprehensive Loss (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Accumulated Other Comprehensive Income Loss Net Of Tax [Abstract]    
Net unrealized gains on available-for-sale securities, net of income tax expense of $37 and $134, respectively $ 59 $ 201
Net unrealized loss on interest rate swap, net of income tax benefit of $167 and $302, respectively (285) (515)
Foreign currency translation (499) (439)
Accumulated other comprehensive loss $ (725) $ (753)