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Summary of Quarterly Financial Data (Unaudited)
12 Months Ended
Dec. 31, 2017
Quarterly Financial Data [Abstract]  
Summary of Quarterly Financial Data (Unaudited)
Summary of Quarterly Financial Data (Unaudited)
Presented below is a summary of the unaudited consolidated quarterly financial data for the years ended December 31, 2017 and 2016.
 
2017
 
(in thousands, except per share data)
Fourth Quarter (1)
 
Third
Quarter
 
Second Quarter
 
First
Quarter
Interest income
$
306,934

 
$
297,652

 
$
285,510

 
$
272,401

Net interest income
269,713

 
262,572

 
251,097

 
239,927

Provision for loan losses
8,565

 
39,686

 
10,260

 
8,674

Income before income taxes
103,966

 
152,675

 
117,791

 
105,704

Income tax expense
74,361

 
54,668

 
41,788

 
33,847

Net income
29,605

 
98,007

 
76,003

 
71,857

Net income available to common shareholders
27,046

 
95,448

 
73,444

 
69,298

Net income per common share, basic
0.23

 
0.79

 
0.60

 
0.57

Net income per common share, diluted
0.23

 
0.78

 
0.60

 
0.56

 
 
 
 
 
 
 
 

(1) The results for the fourth quarter 2017 include $23.2 million pre-tax loss on early extinguishment of debt, as well as a $47.2 million income tax charge related to the effect of Federal Tax Reform.

 
2016
 
Fourth Quarter
 
Third
Quarter
 
Second Quarter
 
First
Quarter
Interest income
$
264,534

 
$
256,554

 
$
252,393

 
$
249,323

Net interest income
233,530

 
226,007

 
221,449

 
218,193

Provision for loan losses
6,259

 
5,671

 
6,693

 
9,377

Income before income taxes
108,068

 
102,620

 
94,031

 
83,730

Income tax expense
39,519

 
37,375

 
33,574

 
31,199

Net income    
68,549

 
65,245

 
60,457

 
52,531

Net income available to common shareholders    
65,990

 
62,686

 
57,898

 
49,972

Net income per common share, basic
0.54

 
0.51

 
0.46

 
0.39

Net income per common share, diluted
0.54

 
0.51

 
0.46

 
0.39