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EMPLOYEE BENEFIT PLANS (Tables)
9 Months Ended
Sep. 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 endedNine months ended
September 30,September 30,
2021202020212020
Service cost$168 $200 $506 $728 
Interest cost702 857 2,115 2,595 
Expected return on assets(1,505)(1,360)(4,519)(4,078)
Amortization of unrecognized prior service cost(14)— (46)— 
Amortization of net unrecognized loss697 696 2,090 2,088 
      Net periodic pension cost$48 $393 $146 $1,333