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Note 12 - Stockholders' Equity and Earnings Per Share (Tables)
12 Months Ended
Dec. 31, 2018
Notes Tables  
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
   
2018
   
2017
 
   
Pre-tax
   
Tax expense/
(benefit)
   
Net-of-tax
   
Pre-tax
   
Tax 
expense/
(benefit)
   
Net-of-tax
 
Beginning balance, loss, net of tax
 
(In thousands)
 
Securities available-for-sale
   
 
     
 
    $
(1,060
)    
 
     
 
    $
(1,545
)
Cash flow hedge derivatives
   
 
     
 
     
(1,451
)    
 
     
 
     
(2,170
)
Total
   
 
     
 
    $
(2,511
)    
 
     
 
    $
(3,715
)
Reclassification adjustment for stranded tax effects of Tax Cuts and Jobs Act
(1)
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Securities available-for-sale
   
-
     
200
     
(200
)    
-
     
-
     
-
 
Cash flow hedge derivatives
   
-
     
315
     
(315
)    
-
     
-
     
-
 
Total
   
-
     
515
     
(515
)    
-
     
-
     
-
 
Reclassification adjustment for equity securities
(2)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Equity securities
   
(12,147
)    
(3,591
)    
(8,556
)    
-
     
-
     
-
 
Net unrealized (losses)/gains arising during the period
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Securities available-for-sale
  $
(11,263
)   $
(3,329
)   $
(7,934
)   $
1,843
    $
775
    $
1,068
 
Cash flow hedge derivatives
   
2,165
     
640
     
1,525
     
1,241
     
522
     
719
 
Total
   
(9,098
)    
(2,689
)    
(6,409
)    
3,084
     
1,297
     
1,787
 
Reclassification adjustment for net gains in net income
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Securities available-for-sale
   
(22
)    
(7
)    
(15
)    
(1,006
)    
(423
)    
(583
)
Cash flow hedge derivatives
   
-
     
-
     
-
     
-
     
-
     
-
 
Total
   
(22
)    
(7
)    
(15
)    
(1,006
)    
(423
)    
(583
)
Total other comprehensive (loss)/income
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Securities available-for-sale
   
(11,285
)    
(3,336
)    
(7,949
)    
837
     
352
     
485
 
Cash flow hedge derivatives
   
2,165
     
640
     
1,525
     
1,241
     
522
     
719
 
Total
  $
(9,120
)   $
(2,696
)   $
(6,424
)   $
2,078
    $
874
    $
1,204
 
Ending balance, (loss)/gain, net of tax
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Securities available-for-sale
   
 
     
 
    $
(17,765
)    
 
     
 
    $
(1,060
)
Cash flow hedge derivatives
   
 
     
 
     
(241
)    
 
     
 
     
(1,451
)
Total
   
 
     
 
    $
(18,006
)    
 
     
 
    $
(2,511
)
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Year Ended December 31,
 
   
2018
   
2017
   
2016
 
   
 
 
 
 
 
 
 
 
Per
   
 
 
 
 
 
 
 
 
Per
   
 
 
 
 
 
 
 
 
Per
 
   
Income
   
Shares
   
Share
   
Income
   
Shares
   
Share
   
Income
   
Shares
   
Share
 
   
(Numerator)
   
(Denominator)
   
Amount
   
(Numerator)
   
(Denominator)
   
Amount
   
(Numerator)
   
(Denominator)
   
Amount
 
   
(In thousands, except shares and per share data)
 
Net income
  $
271,885
     
 
     
 
    $
176,042
     
 
     
 
    $
175,099
     
 
     
 
 
Basic EPS, income
  $
271,885
     
81,131,269
    $
3.35
    $
176,042
     
80,262,782
    $
2.19
    $
175,099
     
79,153,762
    $
2.21
 
Effect of dilutive stock options
   
 
     
476,077
     
 
     
 
     
741,768
     
 
     
 
     
775,500
     
 
 
                                                                         
Diluted EPS, income
  $
271,885
     
81,607,346
    $
3.33
    $
176,042
     
81,004,550
    $
2.17
    $
175,099
     
79,929,262
    $
2.19