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Note 8 - Employee Benefit Plans (Tables)
3 Months Ended
Mar. 31, 2022
Notes Tables  
Schedule of Net Benefit Costs [Table Text Block]

(In Thousands)

 

Three Months Ended

 
  March 31, 2022  March 31, 2021 

Pension Benefits:

        

Interest cost

 $578  $543 

Expected return on plan assets

  (752)  (543)

Amortization of net actuarial losses

  16   36 

Net periodic pension cost (benefit)

 $(158) $36