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Employee Benefit Plans - Table Outlining Company's Participation in Pension Plans (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Multiemployer Plans [Line Items]
Entity Tax Identification Number	88-0215232
Southern Nevada Culinary and Bartenders Pension Plan [Member]
Multiemployer Plans [Line Items]
Entity Tax Identification Number	88-6016617
Pension plan number	001
Pension Protection Act Zone Status		Green	Green
FIP/RP Status		No
Contributions by the Company (in thousands)(4)	$ 24,610	$ 52,218	$ 47,825
Surcharge Imposed	No
Expiration Date of Collective Bargaining Agreements, Second	May 31, 2023
Southern Nevada Culinary and Bartenders Pension Plan [Member] | Minimum [Member]
Multiemployer Plans [Line Items]
Expiration Date of Collective Bargaining Agreements	Mar. 31, 2021
Southern Nevada Culinary and Bartenders Pension Plan [Member] | Maximum [Member]
Multiemployer Plans [Line Items]
Expiration Date of Collective Bargaining Agreements	May 31, 2024
Legacy Plan of the UNITE HERE Retirement Fund (UHF) [Member]
Multiemployer Plans [Line Items]
Entity Tax Identification Number	82-0994119
Pension plan number	001
Pension Protection Act Zone Status		Red	Red
FIP/RP Status		Implemented
Contributions by the Company (in thousands)(4)	$ 5,151	$ 10,151	$ 9,794
Surcharge Imposed	Yes
Legacy Plan of the UNITE HERE Retirement Fund (UHF) [Member] | Maximum [Member]
Multiemployer Plans [Line Items]
Expiration Date of Collective Bargaining Agreements	May 31, 2022

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- Definition

The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.

+ References

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