Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

+ Details

Name:	us-gaap_AllocatedShareBasedCompensationExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

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

- Definition

The period of time during which the performance of the stock will be evaluated to calculate the earning of the stock based awards.

+ References

No definition available.

+ Details

Name:	vno_DurationOfPerformanceMeasurementPeriod
Namespace Prefix:	vno_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Percentage Breakdown

+ References

No definition available.

+ Details

Name:	vno_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageBreakdown
Namespace Prefix:	vno_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Share-Based Compensation Arrangement by Share-Based Payment Award, Percentage Reduction Threshold

+ References

No definition available.

+ Details

Name:	vno_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageReductionThreshold
Namespace Prefix:	vno_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Share Based Compensation, Percent Vested, Year Five

+ References

No definition available.

+ Details

Name:	vno_ShareBasedCompensationPercentVestedYearFive
Namespace Prefix:	vno_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Share Based Compensation, Percent Vested, Year Four

+ References

No definition available.

+ Details

Name:	vno_ShareBasedCompensationPercentVestedYearFour
Namespace Prefix:	vno_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	vno_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardComponentTypeAxis=vno_OperationalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=vno_LongTermPerformanceAward2023Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	vno_ShareBasedCompensationArrangementBenchmarkAxis=vno_ComparableFFOPerShareMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	vno_ShareBasedCompensationArrangementBenchmarkAxis=vno_ESGPerformanceMetricsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	vno_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardComponentTypeAxis=vno_RelativeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	vno_ShareBasedCompensationArrangementBenchmarkAxis=vno_DowJonesUSRealEstateOfficeIndexMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	vno_ShareBasedCompensationArrangementBenchmarkAxis=vno_NortheastPeerGroupCustomIndexMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	vno_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardComponentTypeAxis=vno_AbsoluteMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_TitleOfIndividualAxis=srt_ChiefExecutiveOfficerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_TitleOfIndividualAxis=vno_AllOtherRecipientsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_GeneralAndAdministrativeExpenseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Stock-based Compensation (Details) - USD ($) $ in Thousands		3 Months Ended
Stock-based Compensation (Details) - USD ($) $ in Thousands	Jan. 11, 2023	Mar. 31, 2023	Mar. 31, 2022
Operational \| Long-Term Performance Award 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage breakdown of awards	50.00%
Operational \| Long-Term Performance Award 2023 \| Comparable FFO per Share
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage breakdown of awards	75.00%
Operational \| Long-Term Performance Award 2023 \| ESG Performance Metrics
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage breakdown of awards	25.00%
Relative \| Long-Term Performance Award 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage breakdown of awards	50.00%
Percentage reduction threshold	30.00%
Duration of performance measurement period (in years)	3 years
Relative \| Long-Term Performance Award 2023 \| Dow Jones U.S. Real Estate Office Index
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage reduction threshold	50.00%
Relative \| Long-Term Performance Award 2023 \| Northeast Peer Group Custom Index
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage reduction threshold	50.00%
Absolute \| Long-Term Performance Award 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage reduction threshold	30.00%
Duration of performance measurement period (in years)	3 years
Absolute \| Long-Term Performance Award 2023 \| Chief Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Measurement period (years)	3 years
Absolute \| Long-Term Performance Award 2023 \| All Other Recipients
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Measurement period (years)	1 year
Absolute \| Long-Term Performance Award 2023 \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent vested, year four	50.00%
Percent vested, year five	50.00%
General and Administrative Expense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense		$ 11,714	$ 13,155