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SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN (Tables)
3 Months Ended
Mar. 31, 2013
Compensation and Retirement Disclosure [Abstract]  
Components of net periodic pension cost
Amounts related to the retirement plan reclassified out of accumulated other comprehensive loss and included in net periodic benefit costs (see Note 11) for the three months ended March 31, 2013 were as follows (in thousands):
Amortization of prior service cost
 
$
146

Amortization of actuarial loss
 
23

Total
 
$
169

The components of net periodic pension cost were as follows for the three months ended March 31, (in thousands):
 
2013
 
2012
Service cost
$
162

 
$
144

Interest cost
86

 
96

Amortization of prior service cost
146

 
146

Amortization of actuarial loss
23

 
2

Total net periodic benefit cost
$
417

 
$
388