Investments in Partially Owned Entities (Fifth Avenue and Times Square JV) (Details) - Fifth Avenue and Times Square JV $ in Thousands	Dec. 31, 2021 USD ($)
Schedule of Equity Method Investments [Line Items]
Equity method ownership percentage	51.50%
Basis difference in carrying amount	$ 387,402
Joint Venture
Schedule of Equity Method Investments [Line Items]
Aggregate of preferred equity interests	$ 1,828,000
Joint Venture \| Investors
Schedule of Equity Method Investments [Line Items]
Equity method ownership percentage	48.50%
Equity method investment, effective ownership percentage	47.20%
Joint Venture \| Percentage For First Five Years
Schedule of Equity Method Investments [Line Items]
Debt instrument, interest rate, stated percentage	4.25%
Joint Venture \| Increase in Percentage After Fifth Anniversary
Schedule of Equity Method Investments [Line Items]
Debt instrument, interest rate, stated percentage	4.75%
Vornado Realty Trust
Schedule of Equity Method Investments [Line Items]
Equity method ownership percentage	51.50%
Equity method investment, effective ownership percentage	51.00%

Contractual interest rate for funds borrowed, under the debt agreement.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1B
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The book value of investments in real estate joint ventures including direct and indirect investments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(d))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

+ Details

Name:	us-gaap_RealEstateInvestmentsJointVentures
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- 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

Name:	us-gaap_ScheduleOfEquityMethodInvestmentsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Equity Method Investment, Effective Ownership Percentage

+ References

No definition available.

+ Details

Name:	vno_EquityMethodInvestmentEffectiveOwnershipPercentage
Namespace Prefix:	vno_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Real Estate Basis Difference, Carrying Amount

+ References

No definition available.

+ Details

Name:	vno_RealEstateBasisDifferenceCarryingAmount
Namespace Prefix:	vno_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=vno_FifthAvenueandTimesSquareJVMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_CorporateJointVentureMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=vno_InvestorsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	vno_DebtCovenantAxis=vno_PercentageForFirstFiveYearsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	vno_DebtCovenantAxis=vno_IncreaseinPercentageAfterFifthAnniversaryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=vno_VornadoRealtyTrustMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: