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Note 7 - Employee Benefit Plans (Tables)
3 Months Ended
Mar. 31, 2025
Notes Tables  
Schedule of Net Benefit Costs [Table Text Block]

(In Thousands)

 

Three Months Ended

 
  

March 31, 2025

  

March 31, 2024

 

Pension Benefits:

        

Interest cost

 $618  $630 

Expected return on plan assets

  (458)  (445)

Amortization of net actuarial gains

  (55)  (30)

Net periodic pension cost

 $105  $155