Year Ended December 31,

2013

2012

2011

(dollars in thousands, except share and per share amounts)

(as adjusted)

Basic:

Weighted average common shares outstanding

13,829,626

13,852,709

13,774,628

Net income

$

64,613

$

59,300

$

64,990

Dividends to preferred stockholders

8,671

Net income available to common stockholders

$

55,942

$

50,629

$

56,319

Earnings per common share, basic

$

4.05

$

3.65

$

4.09

Diluted:

Weighted average common shares outstanding

13,829,626

13,852,709

13,774,628

Dilutive effect of stock options

9,091

8,019

9,934

Dilutive effect of restricted stock

4,740

5,526

6,009

Dilutive effect of contingent issuable stock

232,118

109,233

–

Convertible preferred stock

2,623,228

2,623,329

2,623,452

Assumed average common shares outstanding

16,698,803

16,598,816

16,414,023

Net income available to common stockholders

$

55,942

$

50,629

$

56,319

Add dilutive preferred stock dividends for effect of assumed conversion of preferred stock

8,671

Net income for diluted earnings per common share

$

64,613

$

59,300

$

64,990

Earnings per common share, diluted

$

3.87

$

3.57

$

3.96