Three months ended September 30,

Nine months ended September 30,

2021

2020

2021

2020

Basic

Net income per consolidated statements of income

$

16,215

$

10,783

$

41,668

$

27,690

Less: Earnings allocated to participating securities

(508)

(89)

(568)

(255)

Net income available to common stockholders

$

15,707

$

10,694

$

41,100

$

27,435

Weighted average common shares outstanding including participating securities

8,897,910

8,291,068

8,518,639

8,296,701

Less: Weighted average participating securities

(278,937)

(68,198)

(116,045)

(76,499)

Weighted average common shares outstanding

8,618,973

8,222,870

8,402,594

8,220,202

Basic earnings per common share

$

1.82

$

1.30

$

4.89

$

3.34

Diluted

Net income allocated to common stockholders

$

15,707

$

10,694

$

41,100

$

27,435

Weighted average common shares outstanding for basic earnings per common share

8,618,973

8,222,870

8,402,594

8,220,202

Add: Dilutive effects of assumed exercise of stock options

173,909

92,269

161,932

103,737

Add: Dilutive effects of assumed vesting of performance based restricted stock units

53,571

78,072

41,932

68,116

Add: Dilutive effects of assumed vesting of restricted stock units

46,651

—

29,939

—

Average shares and dilutive potential common shares

8,893,104

8,393,211

8,636,397

8,392,055

Dilutive earnings per common share

$

1.77

$

1.27

$

4.76

$

3.27