Year Ended December 31,

2021

2020

2019

(Amounts in thousands, except share and per share data)

Net income

$

51,168

$

35,926

$

38,802

Weighted average common shares outstanding, basic

17,335,615

17,781,748

15,690,812

Dilutive effect of potential common shares

Stock options

30,854

22,495

53,907

Restricted stock

36,467

11,137

11,374

Total dilutive effect of potential common shares

67,321

33,632

65,281

Weighted average common shares outstanding, diluted

17,402,936

17,815,380

15,756,093

Basic earnings per common share

$

2.95

$

2.02

$

2.47

Diluted earnings per common share

2.94

2.02

2.46

Potential antidilutive common shares

Stock options

103,520

58,166

25

Restricted stock

630

26,900

25,853

Total potential antidilutive shares

104,150

85,066

25,878