CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Cumulative-effect adjustment from adoption of new accounting pronouncement	Common Stock	Additional Paid-in Capital	Additional Paid-in Capital Cumulative-effect adjustment from adoption of new accounting pronouncement	Accumulated Other Comprehensive Loss	Treasury Stock	Retained Earnings	Retained Earnings Cumulative-effect adjustment from adoption of new accounting pronouncement
Beginning balance (in shares) at Dec. 31, 2021			160,512,111
Beginning balance at Dec. 31, 2021	$ 4,530,014	$ (235,427)	$ 1,605	$ 3,340,822	$ (375,414)	$ (69,105)	$ 0	$ 1,256,692	$ 139,987
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon the exercise of stock options and vesting of restricted and deferred stock units, net of shares withheld for employee taxes (in shares)			948,150
Issuance of common stock upon the vesting of restricted and deferred stock units, net of shares withheld for employee taxes	(54,639)		$ 10	(54,649)
Stock-based compensation	63,770			63,770
Repurchases of common stock (in shares)			(924,492)
Repurchases of common stock	(102,853)						(102,853)
Net income	133,376							133,376
Foreign currency translation adjustments	2,036					2,036
Change in unrealized gain (loss) on investments, net of tax	(21,542)					(21,542)
Ending balance (in shares) at Mar. 31, 2022			160,535,769
Ending balance at Mar. 31, 2022	4,314,735		$ 1,615	2,974,529		(88,611)	(102,853)	1,530,055
Beginning balance (in shares) at Dec. 31, 2022			156,494,816
Beginning balance at Dec. 31, 2022	4,360,187		$ 1,565	2,578,603		(140,332)	0	1,920,351
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon the exercise of stock options and vesting of restricted and deferred stock units, net of shares withheld for employee taxes (in shares)			804,553
Issuance of common stock upon the vesting of restricted and deferred stock units, net of shares withheld for employee taxes	(31,336)		$ 8	(31,344)
Stock-based compensation	77,985			77,985
Repurchases of common stock (in shares)			(4,555,541)
Repurchases of common stock	(351,772)						(351,772)
Net income	97,106							97,106
Foreign currency translation adjustments	11,722					11,722
Change in unrealized gain (loss) on investments, net of tax	7,449					7,449
Ending balance (in shares) at Mar. 31, 2023			152,743,828
Ending balance at Mar. 31, 2023	$ 4,171,341		$ 1,573	$ 2,625,244		$ (121,161)	$ (351,772)	$ 2,017,457