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Note 9 - Derivative Instruments (Tables)
6 Months Ended
Jun. 30, 2023
Notes Tables  
Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]
   

Net Gain (Loss) Recognized

         
   

For the Three Months

Ended June 30,

   

For the Six Months

Ended June 30,

 

(in thousands)

 

2023

   

2022

   

2023

   

2022

 

Fixed interest rate hedge

  $ 485     $ (344 )   $ 804     $ (794 )

Metals swaps

    (500 )     (1,445 )     (776 )     718  

Embedded customer derivatives

    500       1,445       776       (718 )

Total loss

  $ 485     $ (344 )   $ 804     $ (794 )