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Information For the Pension Plan With Respect To Accumulated Benefit Obligation and Plan Assets (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Asset [Line Items]    
Projected benefit obligation $ 3,246 $ 4,831
Accumulated benefit obligation 3,246 3,298
Fair value of plan assets $ 3,947 $ 3,205