Quarterly report pursuant to Section 13 or 15(d)

Benefit Plans (Details 2)

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Benefit Plans (Details 2) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Defined Contribution Pension and Other Postretirement Plans Disclosure [Abstract]    
SERP & SRIP $ 1,192 $ 833
Defined Contribution Plan 4,374 4,458
Benefit Cost $ 5,566 $ 5,291