(dollars in thousand except share and per share data)

2020

2019

2018

Basic earnings per common share:

Net income

$

84,337

$

87,047

$

80,411

Weighted-average common shares outstanding

25,469,242

25,588,404

25,288,533

Basic earnings per common share

$

3.31

$

3.40

$

3.18

Diluted earnings per common share:

Net income

$

84,337

$

87,047

$

80,411

Weighted-average common shares outstanding for basic earnings per common share

25,469,242

25,588,404

25,288,533

Add: Dilutive effect of assumed exercise of warrant

—

225,831

Add: Dilutive effect of assumed exercises of stock options and awards

104,699

170,489

213,467

Average shares and dilutive potential common shares

25,573,941

25,758,893

25,727,831

Diluted earnings per common share

$

3.30

$

3.38

$

3.13