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Benefit Plans - Pension Plan (Detail) - Southern Nevada Culinary and Bartenders Pension Plan - Multi-employer Pension Plan - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Defined Benefit Plan Disclosure
Multi-employer plan, period contributions	$ 7.0	$ 11.9	$ 11.9
Total contribution threshold percentage		5.00%

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Amount of contributions made to multiemployer plan by employer.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 50
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-URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450691-114947

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-URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947

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Total Contribution Threshold Percentage

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