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Note 3 - Earnings Per Share (Tables)
3 Months Ended
Mar. 31, 2019
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
    For the three months ended 
 March 31,
    2019   2018
    (Dollars in thousands, except per share data)
Net income, as reported   $
7,068
    $
11,412
 
Divided by:                
Weighted average common shares outstanding    
28,621
     
28,974
 
Weighted average common stock equivalents    
     
1
 
Total weighted average common shares outstanding and common stock equivalents    
28,621
     
28,975
 
                 
Basic earnings per common share   $
0.25
    $
0.39
 
Diluted earnings per common share
(1)
  $
0.25
    $
0.39
 
Dividend payout ratio    
84.0
%    
51.3
%