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Note 7 - Other Long-term Debt (Tables)
3 Months Ended
Mar. 31, 2020
Notes Tables  
Schedule of Long-term Debt Instruments [Table Text Block]
   
March 31, 2020
   
December 31, 2019
 
           
Unamortized
           
Unamortized
 
           
Debt
           
Debt
 
   
Principal
   
Issuance
   
Principal
   
Issuance
 
   
Amount
   
Costs
   
Amount
   
Costs
 
   
(In Thousands)
 
                                 
Senior notes fixed at 5.75%, due 2022
  $
10,000
    $
(81
)   $
10,000
    $
(92
)
Subordinated debentures fixed at 6.75%, due 2025
   
10,000
     
(117
)    
10,000
     
(122
)
Subordinated debentures variable at 3-Month Libor plus 1.42%, due 2035
   
5,155
     
-
     
5,155
     
-
 
Total other long-term debt
  $
25,155
    $
(198
)   $
25,155
    $
(214
)