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PENSION BENEFIT PLANS (Tables)
3 Months Ended
Jun. 30, 2021
Retirement Benefits [Abstract]  
Schedule of Net Periodic Pension Costs of Noncontributory Defined Benefit Pension Plans The following sets forth the components of the Company's net periodic pension cost of the noncontributory defined benefit pension plans for the three months ended June 30, 2021 and 2020 (in thousands):
Three Months Ended
June 30,
20212020
Service cost$45 $52 
Interest cost91 93 
    Net periodic pension cost$136 $145