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Note 18 - Interest Expense, Net
 12 Months Ended
Dec. 31, 2016
Notes to Financial Statements  
Interest Expense Disclosure [Text Block]
NOTE
 
18
 — INTEREST EXPENSE, NET
The components of interest expense are as follows:
 
   
Year Ended December 31,
  
   
2016
   
2015
   
2014
 
   
(Dollars in thousands)
  
Interest related to sale of tax benefits
   $
9,349
     $
9,620
     $
12,413
  
Interest expense
    
61,327
      
67,032
      
75,447
  
Less
— amount capitalized
    
(3,287
 )    
(4,075
 )    
(3,206
 )
    $
67,389
     $
72,577
     $
84,654