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Note 8 - Borrowings (Tables)
3 Months Ended
Mar. 31, 2016
Notes Tables  
Schedule of Long-term Debt Instruments [Table Text Block]
(dollars in thousands)
 
March 31, 2016
   
December 31, 2015
   
March 31, 2015
 
                         
Subordinated Notes, 5.75%
  $ 70,000     $ 70,000     $ 70,000  
Subordinated Notes, 8.5%
    -       -       9,300  
Less: debt issurance costs
    (1,042 )     (1,072 )     (1,165 )
Long-term borrowings
  $ 68,958     $ 68,928     $ 78,135