Three Months Ended
September 30,

Nine Months Ended
September 30,

(in thousands, except per share data)

2023

2022

2023

2022

Net income

$

20,412

$

18,829

$

46,763

$

47,010

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

35,647

35,151

35,535

35,184

Incremental common shares attributable to exercise of dilutive
   options

4

13

5

15

Incremental common shares attributable to outstanding restricted stock units

225

184

339

405

Denominator for diluted earnings per share

35,876

35,348

35,879

35,604

Basic earnings per share

$

0.57

$

0.54

$

1.32

$

1.34

Diluted earnings per share

$

0.57

$

0.53

$

1.30

$

1.32