Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 803,084	$ 889,254	$ 302,469
Other comprehensive income (loss):
Foreign currency translation adjustments, before and after tax	(1,936)	(3,832)	(180)
Change in net unrealized loss (gain) on investment securities, before and after tax	1,292	(563)	522
Redemption Note credit risk adjustment, net of tax of $2,735	9,211	0	0
Total comprehensive income	811,651	884,859	302,811
Less: comprehensive income attributable to noncontrolling interests	(230,115)	(141,007)	(60,444)
Comprehensive income attributable to Wynn Resorts, Limited	$ 581,536	$ 743,852	$ 242,367