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Stockholders' Deficit (Details) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($) $ / shares	Mar. 31, 2023 USD ($)	May 07, 2024 $ / shares	Mar. 31, 2024 $ / shares shares	Dec. 31, 2023 USD ($) shares	May 10, 2023 shares	Mar. 02, 2023 shares
Subsidiary, Sale of Stock [Line Items]
Cash dividend paid (usd per share) \| $ / shares	$ 0.25
Cash dividends declared	$ 28,018
Dividends payable, conditional upon shareholder approval (in dollars per share) \| $ / shares				$ 0.075
Dividends payable, conditional upon shareholder approval					$ 50,300
Common stock, authorized (in shares) \| shares				400,000,000	400,000,000
Common stock, outstanding (in shares) \| shares				112,071,149	111,737,245
Distribution to noncontrolling interest	5,996	$ 4,502
Goldman Sachs International \| Securities Lending Agreement \| WM Cayman I
Subsidiary, Sale of Stock [Line Items]
Common stock, authorized (in shares) \| shares							459,774,985
Common stock, outstanding (in shares) \| shares						179,774,985
Wynn Palace and Wynn Macau
Subsidiary, Sale of Stock [Line Items]
Percentage of ownership				72.00%
Subsequent Event
Subsidiary, Sale of Stock [Line Items]
Dividends payable (usd per share) \| $ / shares			$ 0.25
Accumulated deficit
Subsidiary, Sale of Stock [Line Items]
Cash dividends declared	28,018
Dividend Paid \| Accumulated deficit
Subsidiary, Sale of Stock [Line Items]
Cash dividends declared	$ 28,000