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EMPLOYEE BENEFIT PLANS (Tables)
6 Months Ended
Jun. 30, 2012
EMPLOYEE BENEFIT PLANS [Abstract]  
Components of net periodic benefit cost
Components of net periodic benefit cost:

 
Six Months Ended June 30,
 
Pension Benefits
 
SERP Benefits
 
2012
 
2011
 
2012
 
2011
Interest cost
 $          64
 
 $          71
 
 $          26
 
 $          33
Expected return on plan assets
(69)
 
(78)
 
(38)
 
(40)
Recognized net actuarial  loss
68
 
41
 
42
 
31
  Net pension expense
 $          63
 
 $          34
 
 $          30
 
 $          24

 
Three Months Ended June 30,
 
Pension Benefits
 
SERP Benefits
 
2012
 
2011
 
2012
 
2011
Interest cost
 $          29
 
 $          35
 
 $          10
 
 $          16
Expected return on plan assets
(29)
 
(39)
 
(18)
 
(20)
Recognized net actuarial loss
41
 
21
 
25
 
16
  Net pension expense
 $          41
 
 $          17
 
 $          17
 
 $          12