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Note 9 - Net Income Per Common Share (Tables)
3 Months Ended
Mar. 31, 2016
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
 
 
Three Months Ended March 31,
 
(dollars and shares in thousands, except per share data)
 
2016
 
 
2015
 
Basic:
               
Net income available to common shareholders
  $ -     $ 19,238  
Average common shares outstanding
    33,519       31,083  
Basic net income per common share
  $ -     $ 0.62  
                 
Diluted:
               
Net income available to common shareholders
  $ -     $ 19,238  
Average common shares outstanding
    33,519       31,083  
Adjustment for common share equivalents
    585       693  
Average common shares outstanding-diluted
    34,104       31,776  
Diluted net income per common share
  $ -     $ 0.61  
                 
Anti-dilutive shares
    5       13