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Note 8 - Derivative Instruments (Tables)
9 Months Ended
Sep. 30, 2022
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 Nine Months  
   

Ended September 30,

   

Ended September 30,

 

(in thousands)

 

2022

   

2021

   

2022

   

2021

 

Fixed interest rate hedge

  $ (77 )   $ (475 )   $ (871 )   $ (1,406 )

Metals swaps

    (141 )     (92 )     577       136  

Embedded customer derivatives

    141       92       (577 )     (136 )

Total loss

  $ (77 )   $ (475 )   $ (871 )   $ (1,406 )