Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Total Wynn Resorts, Limited stockholders' equity (deficit)	Common Stock	Treasury Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings	Noncontrolling Interests
Beginning balance (in shares) at Dec. 31, 2015			101,571,909
Beginning balance at Dec. 31, 2015	$ 21,845	$ (111,979)	$ 1,146	$ (1,152,680)	$ 983,131	$ 1,092	$ 55,332	$ 133,824
Net income	302,469	241,975					241,975	60,494
Currency translation adjustment	(180)	(130)				(130)		(50)
Net unrealized gain (loss) on investments	522	522				522		0
Redemption Note settlement	0
Exercise of stock options (in shares)			74,000
Exercise of stock options	$ 3,487	3,487	$ 1		3,486			0
Issuance of restricted stock (in shares)			412,504
Issuance of restricted stock			$ 4		(4)
Cancellation of restricted stock (in shares)			(60,000)
Cancellation of restricted stock			$ (1)		1
Shares repurchased by the company and held as treasury shares (in shares)	(198,942)		(198,942)
Shares repurchased by the company and held as treasury shares	$ (14,017)	(14,017)		(14,017)
Shares of subsidiary repurchased for share award plan	(7,580)	(5,471)			(5,471)			(2,109)
Sale of ownership interest in a subsidiary, net of income tax expense	239,903	224,013			224,013			15,890
Distributions to noncontrolling interest	(33)							(33)
Cash dividends declared	(313,926)	(202,210)					(202,210)	(111,716)
Excess tax benefits from stock-based compensation	802	802			802
Stock-based compensation	24,589	20,957			20,957			3,632
Ending balance (in shares) at Dec. 31, 2016			101,799,471
Ending balance at Dec. 31, 2016	257,881	157,949	$ 1,150	(1,166,697)	1,226,915	1,484	95,097	99,932
Net income	889,254	747,181					747,181	142,073
Currency translation adjustment	(3,832)	(2,766)				(2,766)		(1,066)
Net unrealized gain (loss) on investments	(563)	(563)				(563)		0
Redemption Note settlement	0
Exercise of stock options (in shares)			661,800
Exercise of stock options	62,209	61,995	$ 7		61,988			214
Issuance of restricted stock (in shares)			706,341
Issuance of restricted stock	$ 19,225	18,572	$ 7		18,565			653
Cancellation of restricted stock (in shares)			(13,333)
Cancellation of restricted stock			$ 0		0
Shares repurchased by the company and held as treasury shares (in shares)	(148,413)		(148,413)
Shares repurchased by the company and held as treasury shares	$ (17,771)	(17,771)		(17,771)
Shares of subsidiary repurchased for share award plan	(392)	(283)			(283)			(109)
Sale of ownership interest in a subsidiary, net of income tax expense	162,497	149,259			149,259			13,238
Distributions to noncontrolling interest	(11,436)							(11,436)
Cash dividends declared	(321,083)	(204,515)					(204,515)	(116,568)
Stock-based compensation	42,250	38,677			38,677			3,573
Ending balance (in shares) at Dec. 31, 2017			103,005,866
Ending balance at Dec. 31, 2017	1,078,350	947,846	$ 1,164	(1,184,468)	1,497,928	(1,845)	635,067	130,504
Net income	803,084	572,430					572,430	230,654
Currency translation adjustment	(1,936)	(1,397)				(1,397)		(539)
Net unrealized gain (loss) on investments	1,292	1,292				1,292		0
Redemption Note settlement	9,211	9,211				9,211
Exercise of stock options (in shares)			261,470
Exercise of stock options	21,971	21,465	$ 2		21,463			506
Issuance of common stock (in shares)			5,300,000
Issuance of common stock	915,240	915,240	$ 53		915,187
Issuance of restricted stock (in shares)			288,270
Issuance of restricted stock	1,799	1,298	$ 3		1,295			501
Cancellation of restricted stock (in shares)			(125,908)
Cancellation of restricted stock	$ 0		$ (1)		1
Shares repurchased by the company and held as treasury shares (in shares)	(19,120)		(1,497,672)
Shares repurchased by the company and held as treasury shares	$ (159,544)	(159,544)		(159,544)
Shares of subsidiary repurchased for share award plan	(6,232)	(4,497)			(4,497)			(1,735)
Distributions to noncontrolling interest	(305,372)							(305,372)
Cash dividends declared	(571,451)	(294,923)					(294,923)	(276,528)
Stock-based compensation	28,377	25,702			25,702			2,675
Ending balance (in shares) at Dec. 31, 2018			107,232,026
Ending balance at Dec. 31, 2018	$ 1,814,789	$ 2,034,123	$ 1,221	$ (1,344,012)	$ 2,457,079	$ (1,950)	$ 921,785	$ (219,334)