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SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN (Tables)
6 Months Ended
Jun. 30, 2014
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]  
Components of net periodic pension cost
The components of net periodic pension cost were as follows (in thousands):
 
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
 
2014
 
2013
 
2014
 
2013
Service cost
 
$
167

 
$
161

 
$
334

 
$
323

Interest cost
 
106

 
86

 
212

 
172

Amortization of prior service cost
 
146

 
146

 
292

 
292

Amortization of loss
 

 
24

 

 
47

Total net periodic benefit cost
 
$
419

 
$
417

 
$
838

 
$
834