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Note 8 - Derivative Instruments (Tables)
6 Months Ended
Jun. 30, 2024
Notes Tables  
Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]
  

Net Gain (Loss) Recognized

 
  

For the Three Months

  

For the Six Months

 
  

Ended June 30,

  

Ended June 30,

 

(in thousands)

 

2024

  

2023

  

2024

  

2023

 

Fixed interest rate hedge

 $-  $485  $55  $804 

Metals swaps

  223   (500)  224   (776)

Embedded customer derivatives

  (223)  500   (224)  776 

Total gain

 $-  $485  $55  $804