CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss), Net	Retained Earnings
Beginning Balance (in shares) at Dec. 31, 2021		78,710
Beginning Balance at Dec. 31, 2021	$ 3,622,714	$ 8	$ 999,006	$ 4,326	$ 2,619,374
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	247,098				247,098
Change in tax effect unrealized gains on investments				(3,029)
Net change in unrealized gains (losses) from investments	(3,029)
Net change in foreign currency translation adjustment	(21,067)			(21,067)
Issuance of common stock relating to employee equity compensation plans (in shares)		250
Issuance of common stock relating to employee equity compensation plans	14,827		14,827
Tax withholdings related to net share settlements of equity awards	(52,187)		(52,187)
Common stock repurchased and retired (in shares)		(901)
Common stock repurchased and retired	(275,036)		(10,525)		(264,511)
Stock-based compensation	65,761		65,761
Ending Balance (in shares) at Jun. 30, 2022		78,059
Ending Balance at Jun. 30, 2022	3,599,081	$ 8	1,016,882	(19,770)	2,601,961
Beginning Balance (in shares) at Mar. 31, 2022		78,805
Beginning Balance at Mar. 31, 2022	3,666,852	$ 8	992,287	(5,713)	2,680,270
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	112,800				112,800
Change in tax effect unrealized gains on investments				(301)
Net change in unrealized gains (losses) from investments	(301)
Net change in foreign currency translation adjustment	(13,756)			(13,756)
Issuance of common stock relating to employee equity compensation plans (in shares)		11
Issuance of common stock relating to employee equity compensation plans	0		0
Tax withholdings related to net share settlements of equity awards	(654)		(654)
Common stock repurchased and retired (in shares)		(757)
Common stock repurchased and retired	(200,000)		(8,891)		(191,109)
Stock-based compensation	34,140		34,140
Ending Balance (in shares) at Jun. 30, 2022		78,059
Ending Balance at Jun. 30, 2022	3,599,081	$ 8	1,016,882	(19,770)	2,601,961
Beginning Balance (in shares) at Dec. 31, 2022		77,267
Beginning Balance at Dec. 31, 2022	3,601,358	$ 8	1,044,946	(10,284)	2,566,688
Ending Balance (in shares) at Mar. 31, 2023		76,516
Ending Balance at Mar. 31, 2023	3,480,049	$ 8	1,104,693	1,835	2,373,513
Beginning Balance (in shares) at Dec. 31, 2022		77,267
Beginning Balance at Dec. 31, 2022	3,601,358	$ 8	1,044,946	(10,284)	2,566,688
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	199,612				199,612
Change in tax effect unrealized gains on investments				1,995
Net change in unrealized gains (losses) from investments	1,995
Net change in foreign currency translation adjustment	19,632			19,632
Issuance of common stock relating to employee equity compensation plans (in shares)		207
Issuance of common stock relating to employee equity compensation plans	14,256		14,256
Tax withholdings related to net share settlements of equity awards	(21,787)		(21,787)
Common stock repurchased and retired (in shares)		(942)
Common stock repurchased and retired	(292,360)		(11,387)		(280,973)
Equity forward contract related to accelerated stock repurchase	40,000		40,000
Stock-based compensation	75,595		75,595
Ending Balance (in shares) at Jun. 30, 2023		76,532
Ending Balance at Jun. 30, 2023	3,638,301	$ 8	1,141,623	11,343	2,485,327
Beginning Balance (in shares) at Mar. 31, 2023		76,516
Beginning Balance at Mar. 31, 2023	3,480,049	$ 8	1,104,693	1,835	2,373,513
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	111,814				111,814
Change in tax effect unrealized gains on investments	350			350
Net change in unrealized gains (losses) from investments	350
Net change in foreign currency translation adjustment	9,158			9,158
Issuance of common stock relating to employee equity compensation plans (in shares)		16
Tax withholdings related to net share settlements of equity awards	(930)		(930)
Stock-based compensation	37,860		37,860
Ending Balance (in shares) at Jun. 30, 2023		76,532
Ending Balance at Jun. 30, 2023	$ 3,638,301	$ 8	$ 1,141,623	$ 11,343	$ 2,485,327