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EMPLOYEE BENEFIT PLANS (Tables)
3 Months Ended
Mar. 31, 2013
Employee Benefit Plans [Abstract]  
Components of net periodic benefit cost

Components of net periodic benefit cost:

 

  Three Months Ended March 31, 
  Pension Benefits  SERP Benefits 
  2013  2012  2013  2012 
Interest cost $32  $35  $13  $16 
Expected return on plan assets  (35)  (40)  (19)  (20)
Recognized net actuarial loss  34   27   21   17 
Net pension expense $31  $22  $15  $13