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EMPLOYEE BENEFIT PLANS (Tables)
6 Months Ended
Jun. 30, 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 endedSix months ended
June 30,June 30,
2021202020212020
Service cost$181 $242 $338 $528 
Interest cost713 876 1,413 1,738 
Expected return on assets(1,508)(1,358)(3,014)(2,718)
Amortization of unrecognized prior service cost(32)— (32)— 
Amortization of net unrecognized loss696 696 1,393 1,392 
      Net periodic pension cost$50 $456 $98 $940