Three months ended

Six months ended

June 30,

2021

2020

2021

2020

(in thousands, except per share amounts)

Net income available to common stockholders

$

18,906

$

13,302

$

35,386

$

24,523

Weighted average common shares outstanding used in computing basic income per share

33,677

33,116

33,696

32,998

Incremental options and RSUs

634

842

777

1,025

Weighted average common shares used in computing diluted net income per share

34,311

33,958

34,473

34,023

Net income per share

Basic

$

0.56

$

0.40

$

1.05

$

0.74

Diluted

$

0.55

$

0.39

$

1.03

$

0.72