Stockholders' Equity	12 Months Ended
Dec. 31, 2018
Equity [Abstract]
Stockholders' Equity	Stockholders' Equity Equity Offering On April 3, 2018, the Company completed a registered public offering (the "Equity Offering") of 5,300,000 newly issued shares of its common stock, par value $0.01 per share, at a price of $175 per share for proceeds of $915.2 million, net of $11.7 million in underwriting discounts and $0.6 million in offering expenses. The Company used the net proceeds from the Equity Offering to repay all amounts borrowed under the Bridge Facility, together with all interest accrued thereon, and used the remaining net proceeds to repay certain other indebtedness of the Company in April 2018. Common Stock The Company's Board of Directors has authorized an equity repurchase program. As of December 31, 2018, the Company had $1.0 billion in repurchase authority under the program, which may include repurchases from time to time through open market purchases or negotiated transactions, depending on market conditions. During the year ended December 31, 2018, the Company repurchased 1,478,552 shares at a net cost of $156.7 million. During the years ended December 31, 2017 and 2016, no repurchases were made under the equity repurchase program. As of December 31, 2018, the Company had $843.3 million in repurchase authority under the program. During the years ended December 31, 2018, 2017 and 2016, the Company withheld a total of 19,120 shares, 148,413 shares and 198,942 shares, respectively, in satisfaction of tax withholding obligations on vested restricted stock. Dividends During the first quarter of 2018, the Company paid a cash dividend of $0.50 per share and $0.75 per share for the three subsequent quarters, for annual cash dividends of $2.75 per share. In each quarter of 2017 and 2016, the Company paid a cash dividend of $0.50 per share. During the years ended December 31, 2018, 2017 and 2016, the Company recorded $294.9 million, $204.5 million and $202.2 million as a reduction of retained earnings from cash dividends declared. On January 30, 2019, the Company announced a cash dividend of $0.75 per share, payable on February 26, 2019, to stockholders of record as of February 15, 2019. Redemption of Securities Wynn Resorts' articles of incorporation provide that, to the extent a gaming authority makes a determination of unsuitability or to the extent the Board of Directors determines, in its sole discretion, that a person is likely to jeopardize the Company or any affiliates application for, receipt of, approval for, right to the use of, or entitlement to, any gaming license, Wynn Resorts may redeem shares of its capital stock that are owned or controlled by an unsuitable person or its affiliates. The redemption price will be the amount, if any, required by the gaming authority or, if the gaming authority does not determine the price, the sum deemed by the Board of Directors to be the fair value of the securities to be redeemed. If Wynn Resorts determines the redemption price, the redemption price will be capped at the closing price of the shares on the principal national securities exchange on which the shares are listed on the trading day before the redemption notice is given. If the shares are not listed on a national securities exchange, the redemption price will be capped at the closing sale price of the shares as quoted on The Nasdaq Global Select Market or if the closing price is not reported, the mean between the bid and ask prices, as quoted by any other generally recognized reporting system. Wynn Resorts' right of redemption is not exclusive of any other rights that it may have or later acquire under any agreement, its bylaws or otherwise. The redemption price may be paid in cash, by promissory note, or both, as required, and pursuant to the terms established by, the applicable Gaming Authority and, if not, as the Board of Directors of Wynn Resorts elects. Based on the Board of Directors' finding of "unsuitability," on February 18, 2012, Wynn Resorts redeemed and canceled Aruze's 24,549,222 shares of Wynn Resorts' common stock. For more information, see Note 15, "Commitments and Contingencies."

Stockholders' Equity

Equity Offering

On April 3, 2018, the Company completed a registered public offering (the "Equity Offering") of 5,300,000 newly issued shares of its common stock, par value $0.01 per share, at a price of $175 per share for proceeds of $915.2 million, net of $11.7 million in underwriting discounts and $0.6 million in offering expenses. The Company used the net proceeds from the Equity Offering to repay all amounts borrowed under the Bridge Facility, together with all interest accrued thereon, and used the remaining net proceeds to repay certain other indebtedness of the Company in April 2018.

Common Stock

The Company's Board of Directors has authorized an equity repurchase program. As of December 31, 2018, the Company had $1.0 billion in repurchase authority under the program, which may include repurchases from time to time through open market purchases or negotiated transactions, depending on market conditions. During the year ended December 31, 2018, the Company repurchased 1,478,552 shares at a net cost of $156.7 million. During the years ended December 31, 2017 and 2016, no repurchases were made under the equity repurchase program. As of December 31, 2018, the Company had $843.3 million in repurchase authority under the program.

During the years ended December 31, 2018, 2017 and 2016, the Company withheld a total of 19,120 shares, 148,413 shares and 198,942 shares, respectively, in satisfaction of tax withholding obligations on vested restricted stock.

Dividends

During the first quarter of 2018, the Company paid a cash dividend of $0.50 per share and $0.75 per share for the three subsequent quarters, for annual cash dividends of $2.75 per share. In each quarter of 2017 and 2016, the Company paid a cash dividend of $0.50 per share. During the years ended December 31, 2018, 2017 and 2016, the Company recorded $294.9 million, $204.5 million and $202.2 million as a reduction of retained earnings from cash dividends declared.

On January 30, 2019, the Company announced a cash dividend of $0.75 per share, payable on February 26, 2019, to stockholders of record as of February 15, 2019.

Redemption of Securities

Wynn Resorts' articles of incorporation provide that, to the extent a gaming authority makes a determination of unsuitability or to the extent the Board of Directors determines, in its sole discretion, that a person is likely to jeopardize the Company or any affiliates application for, receipt of, approval for, right to the use of, or entitlement to, any gaming license, Wynn Resorts may redeem shares of its capital stock that are owned or controlled by an unsuitable person or its affiliates. The redemption price will be the amount, if any, required by the gaming authority or, if the gaming authority does not determine the price, the sum deemed by the Board of Directors to be the fair value of the securities to be redeemed. If Wynn Resorts determines the redemption price, the redemption price will be capped at the closing price of the shares on the principal national securities exchange on which the shares are listed on the trading day before the redemption notice is given. If the shares are not listed on a national securities exchange, the redemption price will be capped at the closing sale price of the shares as quoted on The Nasdaq Global Select Market or if the closing price is not reported, the mean between the bid and ask prices, as quoted by any other generally recognized reporting system. Wynn Resorts' right of redemption is not exclusive of any other rights that it may have or later acquire under any agreement, its bylaws or otherwise. The redemption price may be paid in cash, by promissory note, or both, as required, and pursuant to the terms established by, the applicable Gaming Authority and, if not, as the Board of Directors of Wynn Resorts elects.

Based on the Board of Directors' finding of "unsuitability," on February 18, 2012, Wynn Resorts redeemed and canceled Aruze's 24,549,222 shares of Wynn Resorts' common stock. For more information, see Note 15, "Commitments and Contingencies."