Net Income per Share - Schedule of Components Used in Diluted and Basic Income Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Numerator:
Net income	$ 119,163	$ 155,695
Denominator:
Shares used for basic net income per share (in shares)	160,494	163,061
Effect of dilutive securities:
Stock options (in shares)	1	5
RSUs and DSU (in shares)	1,320	1,667
Convertible senior notes (in shares)	1,822	955
Warrants related to issuance of convertible senior notes (in shares)	0	0
Shares used for diluted net income per share	163,637	165,688
Basic net income per share (in dollars per share)	$ 0.74	$ 0.95
Diluted net income per share (in dollars per share)	$ 0.73	$ 0.94