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EMPLOYEE BENEFIT PLANS (Tables)
6 Months Ended
Jun. 30, 2016
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,
 
2016
 
2015
 
2016
 
2015
Service cost
$
206

 
$
179

 
$
312

 
$
172

Interest cost
1,233

 
1,306

 
2,470

 
1,224

Expected return on assets
(1,395
)
 
(1,531
)
 
(2,788
)
 
(1,519
)
Amortization of unrecognized prior service cost
34

 
34

 
68

 
34

Amortization of net unrecognized loss
762

 
729

 
1,527

 
729

      Net periodic pension cost
$
840

 
$
717

 
$
1,589

 
$
640