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Stock-Based Compensation And Employee Benefit Plans (Accumulated Benefit Obligation And Aggregate Market Value Of Life Insurance Policies) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Compensation and Retirement Disclosure [Abstract]    
Accumulated benefit obligation $ 4,311 $ 3,448
Aggregate market value $ 3,971 $ 3,147