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Employee Retirement and Benefit Plans - Schedule of Contributions to Each Multiemployer Pension Plans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Multiemployer pension plans
Multiemployer Plans [Line Items]
Total contributions	$ 2,043	$ 3,032	$ 2,947
Multiemployer pension plans | Central Pension Fund of the IUOE and Participating Employers
Multiemployer Plans [Line Items]
Total contributions	545	704	753
Multiemployer pension plans | Southern Nevada Culinary and Bartenders Pension Plan
Multiemployer Plans [Line Items]
Total contributions	1,356	2,130	2,003
Multiemployer pension plans | Other pension plans
Multiemployer Plans [Line Items]
Total contributions	142	198	191
Multiemployer benefit plans (excluding pension plans)
Multiemployer Plans [Line Items]
Total contributions	5,219	8,761	7,813
Multiemployer benefit plans (excluding pension plans) | HEREIU Welfare Fund
Multiemployer Plans [Line Items]
Total contributions	5,216	8,757	7,807
Multiemployer benefit plans (excluding pension plans) | All other
Multiemployer Plans [Line Items]
Total contributions	$ 3	$ 4	$ 6

X

- Definition

Amount of cost for employer contribution to multiemployer plan. Multiemployer plan includes, but is not limited to, pension plan determined to be individually significant and insignificant and other postretirement benefit plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=35742348&loc=SL14450788-114948

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 35
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=29639808&loc=d3e29008-114946

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 50
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450702-114947

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 50
-Paragraph 9
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450691-114947

+ Details

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X

- 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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