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EMPLOYEE BENEFIT PLANS (Tables)
6 Months Ended
Jun. 30, 2015
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,
 
2015
 
2014
 
2015
 
2014
Service cost
$
179

 
$
193

 
$
351

 
$
402

Interest cost
1,306

 
1,426

 
2,530

 
2,847

Expected return on assets
(1,531
)
 
(1,501
)
 
(3,050
)
 
(3,003
)
Amortization of unrecognized prior service cost
34

 
34

 
68

 
68

Amortization of net unrecognized loss
729

 
758

 
1,458

 
1,516

      Net periodic pension cost
$
717

 
$
910

 
$
1,357

 
$
1,830