Shareholders' Equity/Partners' Capital (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands			12 Months Ended
	Oct. 13, 2021	Sep. 22, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Common Stock Number Of Shares Par Value And Other Disclosures
Common shares / Class A units of beneficial interest: outstanding shares			191,723,608	191,354,679
Dividends / Distributions paid on common shares / Class A units			$ 406,109	$ 827,319	$ 503,785
Preferred Stock, Number of Shares, Par Value and Other Disclosures
Preferred stock redemption premium			9,033	0	0
Dividends on preferred shares / Distributions to preferred unitholders (see Note 12 for dividends per share amounts)			65,880	$ 51,739	50,131
Series K Preferred Stock
Preferred Stock, Number of Shares, Par Value and Other Disclosures
Stock redeemed during period, value			$ 300,000
Series O Preferred Units
Preferred Stock, Number of Shares, Par Value and Other Disclosures
Sale of stock, number of shares issued in transaction		12,000,000
Preferred stock dividend rate		4.45%
Redeemable Preferred Stock | 4.45% Series O
Preferred Stock, Number of Shares, Par Value and Other Disclosures
Sale of stock, number of shares issued in transaction		12,000,000
Preferred stock dividend rate		4.45%	4.45%
Preferred stock, redemption price per share (in usd per share)		$ 25.00
Sale of stock, consideration received on transaction		$ 291,153
Preferred stock, redemption period lockup		5 years
Redeemable Preferred Stock | Series K Preferred Stock
Preferred Stock, Number of Shares, Par Value and Other Disclosures
Preferred stock dividend rate	5.70%	5.70%	5.70%
Preferred stock, redemption price per share (in usd per share)	$ 25.00
Preferred stock redemption premium	$ 9,033
Stock redeemed during period, value	$ 300,000
Class A
Common Stock Number Of Shares Par Value And Other Disclosures
Units outstanding			14,033,438	13,583,607
Vornado Realty Trust
Common Stock Number Of Shares Par Value And Other Disclosures
Common shares / Class A units of beneficial interest: outstanding shares			191,723,608
Dividends / Distributions paid on common shares / Class A units			$ 406,109
Dividends per common share (usd per share)			$ 0.53
Vornado Realty L.P.
Common Stock Number Of Shares Par Value And Other Disclosures
Dividends / Distributions paid on common shares / Class A units			$ 406,109	$ 827,319	503,785
Preferred Stock, Number of Shares, Par Value and Other Disclosures
Preferred stock redemption premium			9,033	$ 0	0
Dividends on preferred shares / Distributions to preferred unitholders (see Note 12 for dividends per share amounts)			65,880		$ 50,131
Vornado Realty L.P. | Series K Preferred Stock
Preferred Stock, Number of Shares, Par Value and Other Disclosures
Stock redeemed during period, value			$ 300,000
Vornado Realty L.P. | Class A
Common Stock Number Of Shares Par Value And Other Disclosures
Common shares / Class A units of beneficial interest: outstanding shares			191,723,608
Dividends / Distributions paid on common shares / Class A units			$ 406,109
Dividends per common share (usd per share)			$ 0.53
Units outstanding			14,033,438	13,583,607