Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans - Cost Components of Supplemental Executive Retirement Plan (Detail)

v2.4.0.8
Employee Benefit Plans - Cost Components of Supplemental Executive Retirement Plan (Detail) (Supplemental Employee Retirement Plans, Defined Benefit [Member], USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Supplemental Employee Retirement Plans, Defined Benefit [Member]
   
Defined Benefit Plan Disclosure [Line Items]    
Service cost $ 1,967 $ 1,638
Interest cost 169 105
Net Pension expense (benefit) $ 2,136 $ 1,743