Income Per Share/Income Per Class A Unit - Narrative (Details) - shares	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Antidilutive Securities Excluded From Computation Of Earnings Per Share
Weighted average common share / class A unit equivalents of excluded dilutive securities due to anti-dilutive effect	15,572,000	13,653,000	15,697,000	13,783,000
Vornado Realty L.P.
Antidilutive Securities Excluded From Computation Of Earnings Per Share
Weighted average common share / class A unit equivalents of excluded dilutive securities due to anti-dilutive effect	1,681,000	219,000	1,822,000	418,000

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration