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Note 11 - Derivative Instruments (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]
  

Net Gain (Loss) Recognized

 

(in thousands)

 

2021

  

2020

  

2019

 

Fixed interest rate hedge

 $(1,880) $(1,520) $(227)

Metals swaps

  418   55   291 

Embedded customer derivatives

  (418)  (55)  (291)

Total loss

 $(1,880) $(1,520) $(227)