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EMPLOYEE BENEFIT PLANS (Tables)
6 Months Ended
Jun. 30, 2013
Compensation and Retirement Disclosure [Abstract]  
Components of Net Period Benefit Cost
The components of net period benefit cost for the periods ended June 30, 2013 and 2012 were as follows:

Supplemental Executive Retirement Plan 
 
Three Months Ended 
 June 30,
 
Six Months Ended 
 June 30,
 
2013
 
2012
 
2013
 
2012
Net period benefit cost
 

 
 

 
 

 
 

Service cost
$
82

 
$
67

 
$
164

 
$
134

Interest cost
94

 
102

 
188

 
204

Recognized net actuarial loss
56

 
29

 
112

 
58

Recognized prior service cost
5

 
5

 
10

 
10

Net period benefit cost
$
237

 
$
203

 
$
474

 
$
406


Other Postretirement Benefit Plan
 
Three Months Ended 
 June 30,
 
Six Months Ended 
 June 30,
 
2013
 
2012
 
2013
 
2012
Net period benefit cost
 

 
 

 
 

 
 

Service cost
$
19

 
$
17

 
$
38

 
$
34

Interest cost
35

 
37

 
70

 
74

Recognized net actuarial loss
11

 
8

 
22

 
16

Net period benefit cost
$
65

 
$
62

 
$
130

 
$
124