Three Months Ended June 30,

Six Months Ended June 30,

2019

2018

2019

2018

Numerator:

Net income

$

20,693

$

24,206

$

46,874

$

46,062

Denominator:

Weighted-average outstanding shares used to compute basic net income per share

43,109

42,237

42,929

42,079

Effect of dilutive securities

2,374

2,163

2,429

2,262

Weighted-average outstanding shares used to compute diluted net income per share

45,483

44,400

45,358

44,341

Net income per share:

Basic

$

0.48

$

0.57

$

1.09

$

1.09

Diluted

$

0.45

$

0.55

$

1.03

$

1.04