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		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Numerator:
Net income	$ 119,537	$ 156,497	$ 238,700	$ 312,192
Denominator:
Shares used for basic net income per share (in shares)	160,038	163,074	160,266	163,067
Effect of dilutive securities:
Stock options (in shares)	50	48	25	27
RSUs and DSU (in shares)	565	1,359	943	1,513
Convertible senior notes (in shares)	1,057	1,782	1,440	1,369
Warrants related to issuance of convertible senior notes (in shares)	0	0	0	0
Shares used for diluted net income per share	161,710	166,263	162,674	165,976
Basic net income per share (in dollars per share)	$ 0.75	$ 0.96	$ 1.49	$ 1.91
Diluted net income per share (in dollars per share)	$ 0.74	$ 0.94	$ 1.47	$ 1.88