Consolidated Statements of Changes in Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Preferred Shares	Earnings Less Than Distributions	Accumulated Other Comprehensive (Loss) Income	Non-controlling Interests in Consolidated Subsidiaries	Vornado Realty L.P.	Vornado Realty L.P. Preferred Shares	Vornado Realty L.P. Class A Units Owned by Vornado	Vornado Realty L.P. Earnings Less Than Distributions	Vornado Realty L.P. Accumulated Other Comprehensive (Loss) Income	Vornado Realty L.P. Non-controlling Interests in Consolidated Subsidiaries
Beginning balance, shares at Dec. 31, 2020		48,793					48,793	191,355
Beginning balance, value at Dec. 31, 2020	$ 6,948,155	$ 1,182,339	$ (2,774,182)	$ (75,099)	$ 414,957	$ 6,948,155	$ 1,182,339	$ 8,200,140	$ (2,774,182)	$ (75,099)	$ 414,957
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss) attributable to Vornado / Vornado Realty L.P.	20,550		20,550			20,879			20,879
Net income attributable to redeemable partnership units	(329)					(329)			(329)
Net income (loss) attributable to nonredeemable noncontrolling interests in consolidated subsidiaries	6,197				6,197	6,197					6,197
Distributions to Vornado						(101,467)			(101,467)
Dividends on preferred shares / preferred units (see Note 12 for dividends per share amounts)	(16,467)		(16,467)			(16,467)			(16,467)
Common shares issued: / Class A Units issued to Vornado
Upon redemption of Class A units, at redemption value, shares								107
Upon redemption of Class A units, at redemption value, value	4,103					4,103		$ 4,103
Under employees' share option plan, value	4					4		$ 4
Under dividend reinvestment plan, shares								6
Under dividend reinvestment plan, value	211					211		$ 211
Distributions:
Distributions	(5,877)				(5,877)	(5,877)					(5,877)
Deferred compensation shares and options, shares								(3)
Deferred compensation shares and options	110		(114)			110		$ 224	(114)
Other comprehensive income of nonconsolidated subsidiaries	3,591			3,591		3,591				3,591
Increase (reduction) in value of interest rate swaps	11,642			11,642		11,642				11,642
Unearned 2018 Out-Performance Plan awards acceleration	10,283					10,283		10,283
Redeemable Class A unit measurement adjustment	(126,936)					(126,936)		$ (126,936)
Redeemable noncontrolling interests' share of above adjustments	(886)			(886)		(886)				(886)
Other, shares								0
Other, value	(28)	$ (28)	(1)	(1)	1	(28)	$ (28)	$ 1	(1)	(1)	1
Ending balance, shares at Mar. 31, 2021		48,793					48,793	191,465
Ending balance, value at Mar. 31, 2021	6,753,185	$ 1,182,311	(2,871,681)	(60,753)	415,278	6,753,185	$ 1,182,311	$ 8,088,030	(2,871,681)	(60,753)	415,278
Beginning balance, shares at Dec. 31, 2021		48,793					48,793	191,724
Beginning balance, value at Dec. 31, 2021	6,515,238	$ 1,182,459	(3,079,320)	(17,534)	278,892	6,515,238	$ 1,182,459	$ 8,150,741	(3,079,320)	(17,534)	278,892
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss) attributable to Vornado / Vornado Realty L.P.	42,007		42,007			44,001			44,001
Net income attributable to redeemable partnership units	(1,994)					(1,994)			(1,994)
Net income (loss) attributable to nonredeemable noncontrolling interests in consolidated subsidiaries	9,679				9,679	9,679					9,679
Distributions to Vornado						(101,616)			(101,616)
Dividends on preferred shares / preferred units (see Note 12 for dividends per share amounts)	(15,529)		(15,529)			(15,529)			(15,529)
Common shares issued: / Class A Units issued to Vornado
Upon redemption of Class A units, at redemption value, shares								16
Upon redemption of Class A units, at redemption value, value	717					717		$ 717
Under employees' share option plan, shares								0
Under employees' share option plan, value	7					7		$ 7
Under dividend reinvestment plan, shares								5
Under dividend reinvestment plan, value	212					212		$ 212
Contributions:
Contributions	481				481	481					481
Distributions:
Distributions	(35,961)				(35,961)	(35,961)					(35,961)
Deferred compensation shares and options, shares								(2)
Deferred compensation shares and options	61		(85)			61		$ 146	(85)
Other comprehensive income of nonconsolidated subsidiaries	9,205			9,205		9,205				9,205
Increase (reduction) in value of interest rate swaps	65,239			65,239		65,239				65,239
Redeemable Class A unit measurement adjustment	(46,651)					(46,651)		(46,651)
Redeemable noncontrolling interests' share of above adjustments	(5,134)			(5,134)		(5,134)				(5,134)
Other, value	15	$ 0	(6)	0	21	15	$ 0	$ 0	(6)	0	21
Ending balance, shares at Mar. 31, 2022		48,793					48,793	191,743
Ending balance, value at Mar. 31, 2022	$ 6,437,970	$ 1,182,459	$ (3,154,549)	$ 51,776	$ 253,112	$ 6,437,970	$ 1,182,459	$ 8,105,172	$ (3,154,549)	$ 51,776	$ 253,112