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EMPLOYEE BENEFIT PLANS (Tables)
3 Months Ended
Mar. 31, 2021
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,
20212020
Service cost$157 $286 
Interest cost700 862 
Expected return on assets(1,506)(1,360)
Amortization of unrecognized prior service cost— — 
Amortization of net unrecognized loss697 696 
      Net periodic pension cost$48 $484