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Note 16 - Interest Expense, Net (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Schedule of Other Nonoperating Expense, by Component [Table Text Block]
  

Year Ended December 31,

 
  

2021

  

2020

  

2019

 
  

(Dollars in thousands)

 

Interest related to sale of tax benefits

 $12,246  $9,344  $11,786 

Interest expense

  84,994   79,018  $71,883 

Less — amount capitalized

  (14,582)  (10,409) $(3,285)
  $82,658  $77,953  $80,384