Three Months Ended
September 30,

Nine Months Ended
September 30,

(in thousands, except per share data)

2022

2021

2022

2021

Net income

$

18,829

$

8,065

$

47,010

$

23,351

Denominator for basic earnings per share – weighted-average 
   number of common shares outstanding during the period

35,151

35,423

35,184

35,806

Incremental common shares attributable to exercise of dilutive
   options

13

32

15

43

Incremental common shares attributable to outstanding restricted stock units

184

211

405

438

Denominator for diluted earnings per share

35,348

35,666

35,604

36,287

Basic earnings per share

$

0.54

$

0.23

$

1.34

$

0.65

Diluted earnings per share

$

0.53

$

0.23

$

1.32

$

0.64