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EMPLOYEE BENEFIT PLANS (Tables)
6 Months Ended
Jun. 30, 2013
EMPLOYEE BENEFIT PLANS [Abstract]  
Schedule of Net Benefit Costs [Table Text Block]
The components of net periodic pension cost consisted of the following (amounts in thousands):
 
Three months ended
 
Six months ended
 
June 30,
 
June 30,
 
2013
 
2012
 
2013
 
2012
Service cost
$
214

 
$

 
$
386

 
$

Interest cost
1,350

 
1,133

 
2,704

 
2,266

Expected return on assets
(1,396
)
 
(1,252
)
 
(2,792
)
 
(2,504
)
Amortization of unrecognized prior service cost
34

 
34

 
68

 
68

Amortization of net unrecognized loss
1,317

 
1,293

 
2,635

 
2,586

      Net periodic pension cost
$
1,519

 
$
1,208

 
$
3,001

 
$
2,416