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Leases - Additional Information (Detail) $ in Millions	6 Months Ended
	Jun. 30, 2020 USD ($) Renewal_period
Blackstone Real Estate Income Trust [Member] | Bellagio [Member]
Leases [Line Items]
Initial annual rent	$ 245
Annual rent escalator from year one through year ten	2.00%
Annual rent escalator from year eleven through year twenty	2.00%
Annual rent escalator cap from year eleven through year twenty	3.00%
Annual rent escalator after year twenty	4.00%
MGP BREIT Venture [Member] | Mandalay Bay and MGM Grand Las Vegas [Member]
Leases [Line Items]
Initial annual rent	$ 292
Lease agreement Initial lease term	30 years
Number of renewal periods, exercisable at option | Renewal_period	2
Lease agreement renewal period	10 years
Annual rent escalator from year one through year fifteen	2.00%
Annual rent escalator after year fifteen	2.00%
Annual rent escalator cap after year fifteen	3.00%
Percentage of expected lease term of economic useful life	75.00%
Percentage Of present value of future minimum lease payments	90.00%

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- Definition

Annual rent escalator after year fifteen.

+ References

No definition available.

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- Definition

Annual rent escalator after year twenty.

+ References

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- Definition

Annual rent escalator cap after year fifteen.

+ References

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- Definition

Annual rent escalator cap from year eleven through year twenty.

+ References

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- Definition

Annual rent escalator from year eleven through year twenty.

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- Definition

Annual rent escalator from year one through year fifteen.

+ References

No definition available.

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- Definition

Annual rent escalator from year one through year ten.

+ References

No definition available.

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- Definition

Initial annual rent.

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- Definition

Leases.

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- Definition

Number of renewal periods, exercisable at option.

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- Definition

Percentage of expected lease term of economic useful life.

+ References

No definition available.

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- Definition

Percentage of present value of future minimum lease payments.

+ References

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- Definition

Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980

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- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980

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