Cover	6 Months Ended
	Jun. 30, 2021 shares
Entity Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2021
Document Transition Report	false
Entity File Number	001-11954
Entity Registrant Name	Vornado Realty Trust
Entity Incorporation, State or Country Code	MD
Entity Tax Identification Number	22-1657560
Entity Address, Address Line One	888 Seventh Avenue,
Entity Address, City or Town	New York,
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10019
City Area Code	(212)
Local Phone Number	894-7000
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding	191,560,756
Entity Central Index Key	0000899689
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2021
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Common Shares of beneficial interest, $.04 par value per share | New York Stock Exchange
Entity Information [Line Items]
Title of 12(b) Security	Common Shares of beneficial interest, $.04 par value per share
Entity Trading Symbol	VNO
Security Exchange Name	NYSE
5.70% Series K | New York Stock Exchange
Entity Information [Line Items]
Title of 12(b) Security	5.70% Series K
Entity Trading Symbol	VNO/PK
Security Exchange Name	NYSE
5.40% Series L | New York Stock Exchange
Entity Information [Line Items]
Title of 12(b) Security	5.40% Series L
Entity Trading Symbol	VNO/PL
Security Exchange Name	NYSE
5.25% Series M | New York Stock Exchange
Entity Information [Line Items]
Title of 12(b) Security	5.25% Series M
Entity Trading Symbol	VNO/PM
Security Exchange Name	NYSE
5.25% Series N | New York Stock Exchange
Entity Information [Line Items]
Title of 12(b) Security	5.25% Series N
Entity Trading Symbol	VNO/PN
Security Exchange Name	NYSE
Vornado Realty L.P.
Entity Information [Line Items]
Entity File Number	001-34482
Entity Registrant Name	VORNADO REALTY LP
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	13-3925979
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Central Index Key	0001040765
Document Fiscal Year Focus	2021