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Benefit Plans - Defined Contribution Plan (Detail) - United States - USD ($) $ in Millions |  | 12 Months Ended
--- | --- | ---
Jul. 01, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Defined Contribution Plan Disclosure |  |  |  |
Company's matching contribution percentage |  | 50.00% |  |
Matching contribution expenses |  |  | $ 6.9 | $ 6.4
Maximum |  |  |  |
Defined Contribution Plan Disclosure |  |  |  |
Employer matching contributions, percentage of eligible compensation |  | 6.00% |  |
Wynn Macau |  |  |  |
Defined Contribution Plan Disclosure |  |  |  |
Matching contribution expenses |  | $ 19.5 | $ 17.8 | $ 16.6
Wynn Macau | Wynn Macau Plan |  |  |  |
Defined Contribution Plan Disclosure |  |  |  |
Employee contribution percentage |  | 5.00% |  |
Wynn Macau | CPF System |  |  |  |
Defined Contribution Plan Disclosure |  |  |  |
Employer matching contributions, percentage of eligible compensation | 5.00% |  |  |
Minimum employee contribution percentage | 5.00% |  |  |
Annual vesting percentage | 10.00% |  |  |
Vesting period | 10 years |  |  |

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- Definition Amount of cost for defined contribution plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
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- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
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- Definition Percentage of employer's matching contributions to a defined contribution plan that vests in a given year. + References No definition available. + Details
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- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. + References No definition available. + Details
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- Definition Defined Contribution Plan, Employer Matching Contribution, Vesting Period + References No definition available. + Details
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- Definition Defined Contribution Plan, Minimum Annual Contributions Per Employee, Percent + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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