Annual report pursuant to Section 13 and 15(d)

Supplemental Retirement Plan and Related Post Retirement Benefits (Details 5)

v2.4.0.6
Supplemental Retirement Plan and Related Post Retirement Benefits (Details 5) (SERP Medical [Member])
Dec. 31, 2012
Dec. 31, 2011
SERP Medical [Member]
   
Assumptions used to calculate the benefit obligation    
Discount Rate 4.20% 4.50%