Net Income Per Share - Basic and Diluted EPS (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Numerator:
Net income, basic	$ 36,532	$ 34,865
Net income, diluted	$ 39,054	$ 37,574
Denominator:
Weighted-average shares used to compute basic net income per share	63,185	67,786
Dilutive effect of options and awards granted under equity incentive plan and employee stock purchase plan	240	139
Weighted-average shares used to compute diluted net income per share	84,531	89,788
Net income per share
Basic net income per share	$ 0.58	$ 0.51
Net income per share: diluted	$ 0.46	$ 0.42
2023 Notes
Numerator:
Add: interest expense on Notes, net of tax effect	$ 0	$ 81
Denominator:
Dilutive effect	0	757
2025 Notes
Numerator:
Add: interest expense on Notes, net of tax effect	$ 1,121	$ 1,169
Denominator:
Dilutive effect	11,150	11,150
2028 Notes
Numerator:
Add: interest expense on Notes, net of tax effect	$ 1,401	$ 1,459
Denominator:
Dilutive effect	9,956	9,956