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Note 13 - Retirement, Savings and Deferred Compensation Plans (Tables)
9 Months Ended
Sep. 30, 2025
Notes Tables  
Schedule of Net Benefit Costs [Table Text Block]
  

Three Months Ended

  

Nine Months Ended

 
  

September 30,

  

September 30,

 
  

2025

  

2024

  

2025

  

2024

 

Service cost

 $71  $98  $213  $296 

Interest cost

  240   225   720   677 

Net amortization

  (35)  19   (105)  59 

Net periodic benefit cost

 $276  $342  $828  $1,032 
Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]
  

September 30,

  

December 31,

 
  

2025

  

2024

 

Prior service cost

 $74  $132 

Net loss

  (3,139)  (3,303)
  $(3,065) $(3,171)