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RETIREMENT PLANS (Components Of Net Periodic Benefit Costs (Income)) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Postemployment Benefits [Abstract]    
Service cost $ 751 $ 696
Interest cost 1,080 1,213
Expected return on plan assets (2,746) (2,549)
Recognized net actuarial loss 675 850
Amortization of prior service cost 0 0
Net Periodic Benefit (Income) Cost (240) 210
Net loss 4,749 224
Amortization of net loss (675) (850)
Amortization of prior service cost 0 0
Total recognized in other comprehensive loss (income) 4,074 (626)
Total recognized in net periodic benefit cost (income) and other comprehensive (income) loss $ 3,834 $ (416)