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Note 8 - Employee Benefit Plans (Tables)
6 Months Ended
Jun. 30, 2023
Notes Tables  
Schedule of Net Benefit Costs [Table Text Block]

(In Thousands)

 

Three Months Ended

  

Six Months Ended

 
  

June 30, 2023

  

June 30, 2022

  

June 30, 2023

  

June 30, 2022

 

Pension Benefits:

                

Interest cost

 $653  $579  $1,499  $1,157 

Expected return on plan assets

  (365)  (751)  (1,053)  (1,503)

Amortization of net actuarial (gains) losses

  (4)  16   (70)  32 

Net periodic pension (benefit) cost

 $284  $(156) $376  $(314)