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EMPLOYEE BENEFIT PLANS (Tables)
 3 Months Ended
Mar. 31, 2018
Retirement Benefits [Abstract]  
Schedule of Defined Benefit Plans Disclosures [Table Text Block] The components of net periodic pension cost consisted of the following for the periods set forth below (amounts in thousands):
 
Three months ended
 
March 31,
 
2018
 
2017
Service cost
$
137

 
$
225

Interest cost
1,083

 
1,171

Expected return on assets
(1,492
)
 
(1,369
)
Amortization of unrecognized prior service cost
50

 
34

Amortization of net unrecognized loss
676

 
674

      Net periodic pension cost
$
454

 
$
735