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Earnings Per Share (Tables)
3 Months Ended
Mar. 31, 2014
Earnings Per Share [Abstract]  
Reconciliation of basic and diluted earnings per share
The following is a reconciliation of basic and diluted earnings per share for the periods presented in the consolidated statements of income.

Three months ended March 31,
 
2014
  
2013
 
(in thousands, except per share data)
 
  
 
Basic EPS:
 
  
 
Weighted average common shares outstanding
  
43,762
   
36,410
 
Net income available to common shareholders
  
18,009
   
7,649
 
Basic EPS
 
$
0.41
  
$
0.21
 
Diluted EPS:
        
Weighted average common shares outstanding
  
43,762
   
36,410
 
Dilutive effect of common stock options and restricted stock
  
505
   
384
 
Weighted average common shares and common share equivalents
  
44,267
   
36,794
 
Net income available to common shareholders
  
18,009
   
7,649
 
Diluted EPS
 
$
0.41
  
$
0.21