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EMPLOYEE BENEFIT PLANS (Tables)
3 Months Ended
Mar. 31, 2022
Retirement Benefits [Abstract]  
Schedule of Net Periodic Benefit Cost Net periodic benefit costs for such retirement medical plans were as follows:
 Three Months Ended
March 31,
 20222021
Service cost$20 $22 
Interest cost
Amortization of prior service cost18 
Amortization of gain— (6)
Net periodic benefit cost$28 $40 
Net periodic benefit costs for such benefit pension plans were as follows:
Three Months Ended
March 31,
 20222021
Service cost with interest to end of year$11 $17 
Interest cost
Expected return on plan assets(10)(9)
Amortization of gain— 
Total net periodic benefit cost$$13