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EMPLOYEE BENEFIT PLANS (Tables)
3 Months Ended
Mar. 31, 2021
Retirement Benefits [Abstract]  
Schedule of Net Periodic Pension Cost (Credit) Net periodic pension credit includes the following components (in thousands):
 Three Months Ended March 31,
 20212020
(unaudited)(unaudited)
Interest cost$322 $441 
Expected return on plan assets(503)(578)
Amortization of prior service cost
Net periodic pension credit$(173)$(129)