Three Months Ended September 30,

Nine Months Ended September 30,

2021

2020

2021

2020

Net income

$

25,941

$

30,829

$

93,523

$

71,999

Shares:

Weighted average common shares outstanding

56,227,816

54,585,998

55,256,348

54,579,088

Dilutive effect of outstanding options, warrants, and restricted stock units as determined by the application of the treasury stock method

597,148

151,922

613,969

217,266

Dilutive effect of ESPP shares

7,554

—

2,518

—

Weighted average common shares outstanding, as adjusted for diluted earnings per share calculation

56,832,518

54,737,920

55,872,835

54,796,354

Basic earnings per common share

$

0.46

$

0.56

$

1.69

$

1.32

Diluted earnings per common share

$

0.46

$

0.56

$

1.67

$

1.31