Condensed Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands		Total	Common Stock		Additional Paid-In Capital		Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Beginning balance (in shares) at Dec. 31, 2020	[1]		304,696
Beginning balance at Dec. 31, 2020		$ 3,320,291	$ 30	[1]	$ 1,292,409	[1]	$ 2,027,614	$ 238
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		601,559					601,559
Other comprehensive loss, net of tax		(2,242)						(2,242)
Stock-based compensation		135,632			135,632	[1]
Issuance of common stock in connection with employee equity incentive plans (in shares)	[1]		5,948
Issuance of common stock in connection with employee equity incentive plans		56,154	$ 1	[1]	56,153	[1]
Repurchase of common stock (in shares)	[1]		(2,972)
Repurchase of common stock		(235,512)					(235,512)
Tax withholding paid for net share settlement of equity awards (in shares)	[1]		(128)
Tax withholding paid for net share settlement of equity awards		(10,622)			(10,622)	[1]
Ending balance (in shares) at Sep. 30, 2021	[1]		307,544
Ending balance at Sep. 30, 2021		3,865,260	$ 31	[1]	1,473,572	[1]	2,393,661	(2,004)
Beginning balance (in shares) at Jun. 30, 2021	[1]		306,660
Beginning balance at Jun. 30, 2021		3,697,841	$ 31	[1]	1,395,436	[1]	2,303,513	(1,139)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		224,305					224,305
Other comprehensive loss, net of tax		(865)						(865)
Stock-based compensation		53,135			53,135	[1]
Issuance of common stock in connection with employee equity incentive plans (in shares)	[1]		2,436
Issuance of common stock in connection with employee equity incentive plans		29,270			29,270	[1]
Repurchase of common stock (in shares)	[1]		(1,504)
Repurchase of common stock		(134,157)					(134,157)
Tax withholding paid for net share settlement of equity awards (in shares)	[1]		(48)
Tax withholding paid for net share settlement of equity awards		(4,269)			(4,269)	[1]
Ending balance (in shares) at Sep. 30, 2021	[1]		307,544
Ending balance at Sep. 30, 2021		3,865,260	$ 31	[1]	1,473,572	[1]	2,393,661	(2,004)
Beginning balance (in shares) at Dec. 31, 2021			307,681
Beginning balance at Dec. 31, 2021		3,978,600	$ 31		1,530,046		2,456,823	(8,300)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		925,357					925,357
Other comprehensive loss, net of tax		(38,829)						(38,829)
Stock-based compensation		165,980			165,980
Issuance of common stock in connection with employee equity incentive plans (in shares)			4,451
Issuance of common stock in connection with employee equity incentive plans		$ 43,073	$ 1		43,072
Repurchase of common stock (in shares)		(6,433)	(6,433)
Repurchase of common stock		$ (667,470)	$ (1)				(667,469)
Tax withholding paid for net share settlement of equity awards (in shares)			(217)
Tax withholding paid for net share settlement of equity awards		(25,542)			(25,542)
Common stock issued for business acquisition (in shares)			33
Common stock issued for business acquisition		4,049			4,049
Ending balance (in shares) at Sep. 30, 2022			305,515
Ending balance at Sep. 30, 2022		4,385,218	$ 31		1,717,605		2,714,711	(47,129)
Beginning balance (in shares) at Jun. 30, 2022			304,455
Beginning balance at Jun. 30, 2022		4,005,792	$ 30		1,638,787		2,408,294	(41,319)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		353,999					353,999
Other comprehensive loss, net of tax		(5,810)						(5,810)
Stock-based compensation		65,477			65,477
Issuance of common stock in connection with employee equity incentive plans (in shares)			1,593
Issuance of common stock in connection with employee equity incentive plans		20,082	$ 1		20,081
Repurchase of common stock (in shares)			(479)
Repurchase of common stock		(47,582)					(47,582)
Tax withholding paid for net share settlement of equity awards (in shares)			(54)
Tax withholding paid for net share settlement of equity awards		(6,740)			(6,740)
Ending balance (in shares) at Sep. 30, 2022			305,515
Ending balance at Sep. 30, 2022		$ 4,385,218	$ 31		$ 1,717,605		$ 2,714,711	$ (47,129)

[1] Prior periods have been adjusted to reflect the four-for-one stock split effected in the form of a stock dividend in November 2021.