(Loss) Income Per Share and Per Class A Unit - Schedule Of Earnings Per Share Basic And Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Numerator:
Net (loss) income attributable to Vornado	$ (3,626)	$ 68,375	$ 53,658	$ 150,978
Preferred share dividends	(15,528)	(15,529)	(46,586)	(46,587)
NET (LOSS) INCOME	(19,154)	52,846	7,072	104,391
Distributions and earnings allocated to unvested participating securities	0	(1)	0	(2)
Numerator for basic (loss) income per common share/unit	(19,154)	52,845	7,072	104,389
Impact of assumed conversion of dilutive convertible securities	0	350	0	1,050
Numerator for diluted (loss) income per Class A unit	$ (19,154)	$ 53,195	$ 7,072	$ 105,439
Denominator:
Denominator for basic (loss) income per common share - weighted average shares (in shares)	190,556,000	190,364,000	190,493,000	191,228,000
Share-based awards (in shares)	0	445,000	4,980,000	163,000
Convertible securities (in shares)	0	2,112,000	0	2,454,000
Denominator for diluted (loss) income per common share - weighted average shares and assumed conversions (in shares)	190,556,000	192,921,000	195,473,000	193,845,000
(LOSS) INCOME PER COMMON SHARE:
Basic (in dollars per share)	$ (0.10)	$ 0.28	$ 0.04	$ 0.55
Diluted (in dollars per share)	$ (0.10)	$ 0.28	$ 0.04	$ 0.54
Convertible Common Stock
(LOSS) INCOME PER CLASS A UNIT:
Weighted average common share / class A unit equivalents of excluded dilutive securities due to anti-dilutive effect (in shares)	8,385		1,777
Vornado Realty L.P.
Numerator:
Net (loss) income attributable to Vornado	$ (5,316)	$ 73,111	$ 54,382	$ 159,751
Preferred share dividends	(15,557)	(15,558)	(46,672)	(46,673)
NET (LOSS) INCOME	(20,873)	57,553	7,710	113,078
Distributions and earnings allocated to unvested participating securities	0	(747)	(99)	(594)
Numerator for basic (loss) income per common share/unit	(20,873)	56,806	7,611	112,484
Impact of assumed conversion of dilutive convertible securities	0	350	0	500
Numerator for diluted (loss) income per Class A unit	$ (20,873)	$ 57,156	$ 7,611	$ 112,984
Denominator:
Denominator for basic (loss) income per Class A unit – weighted average units (in shares)	205,025,000	204,628,000	204,953,000	205,268,000
Share-based awards (in shares)	0	445,000	4,980,000	163,000
Convertible securities (in shares)	0	2,112,000	0	2,454,000
Denominator for diluted (loss) income per Class A unit – weighted average units and assumed conversions (in shares)	205,025,000	207,185,000	209,933,000	207,885,000
(LOSS) INCOME PER CLASS A UNIT:
Basic (in dollars per unit)	$ (0.10)	$ 0.28	$ 0.04	$ 0.55
Diluted (in dollars per unit)	$ (0.10)	$ 0.28	$ 0.04	$ 0.54
Vornado Realty L.P. | Convertible Common Stock
(LOSS) INCOME PER CLASS A UNIT:
Weighted average common share / class A unit equivalents of excluded dilutive securities due to anti-dilutive effect (in shares)	8,385		1,777