Quarterly report pursuant to Section 13 or 15(d)

Net Income per Share - Calculation of Basic and Diluted Net Income Per Share (Details)

v3.8.0.1
Net Income per Share - Calculation of Basic and Diluted Net Income Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Numerator:    
Net income $ 10,901 $ 8,195
Basic:    
Weighted average common shares used in computing basic net income (loss) per share (in shares) 81,166 78,263
Add weighted average effect of dilutive securities:    
Stock options and restricted stock (in shares) 2,332 3,123
Convertible notes (in shares) 1,319 0
Weighted average common shares used in computing diluted net income (loss) per share (in shares) 84,817 81,386
Net income per share:    
Basic (in dollars per share) $ 0.13 $ 0.10
Diluted (in dollars per share) $ 0.13 $ 0.10