Consolidated Statements of Changes in Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Preferred Shares	Common Shares	Additional Capital	Earnings Less Than Distributions	Accumulated Other Comprehensive (Loss) Income	Non-controlling Interests in Consolidated Subsidiaries
Beginning balance, shares at Dec. 31, 2020		48,793	191,355
Beginning balance, value at Dec. 31, 2020	$ 6,948,155	$ 1,182,339	$ 7,633	$ 8,192,507	$ (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
Net income (loss) attributable to nonredeemable noncontrolling interests in consolidated subsidiaries	6,197						6,197
Dividends on common shares	(101,467)				(101,467)
Dividends on preferred shares / preferred units (see Note 12 for dividends per share amounts)	(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	4,099
Under employees' share option plan, value	4			4
Under dividend reinvestment plan, shares			6
Under dividend reinvestment plan, value	211		$ 0	211
Distributions:
Distributions	(5,877)						(5,877)
Deferred compensation shares and options, shares			(3)
Deferred compensation shares and options	110			224	(114)
Other comprehensive income of nonconsolidated subsidiaries	3,591					3,591
Increase (reduction) in value of interest rate swaps	11,642					11,642
Unearned 2018 Out-Performance Plan awards acceleration	10,283			10,283
Redeemable Class A unit measurement adjustment	(126,936)			(126,936)
Redeemable noncontrolling interests' share of above adjustments	(886)					(886)
Other, value	(28)	$ (28)	$ 1		(1)	(1)	1
Ending balance, shares at Mar. 31, 2021		48,793	191,465
Ending balance, value at Mar. 31, 2021	6,753,185	$ 1,182,311	$ 7,638	8,080,392	(2,871,681)	(60,753)	415,278
Beginning balance, shares at Dec. 31, 2021		48,793	191,724
Beginning balance, value at Dec. 31, 2021	6,515,238	$ 1,182,459	$ 7,648	8,143,093	(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
Net income (loss) attributable to nonredeemable noncontrolling interests in consolidated subsidiaries	9,679						9,679
Dividends on common shares	(101,616)				(101,616)
Dividends on preferred shares / preferred units (see Note 12 for dividends per share amounts)	(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		$ 1	716
Under employees' share option plan, shares			0
Under employees' share option plan, value	7			7
Under dividend reinvestment plan, shares			5
Under dividend reinvestment plan, value	212		$ 0	212
Contributions:
Contributions	481						481
Distributions:
Distributions	(35,961)						(35,961)
Deferred compensation shares and options, shares			(2)
Deferred compensation shares and options	61			146	(85)
Other comprehensive income of nonconsolidated subsidiaries	9,205					9,205
Increase (reduction) in value of interest rate swaps	65,239					65,239
Redeemable Class A unit measurement adjustment	(46,651)			(46,651)
Redeemable noncontrolling interests' share of above adjustments	(5,134)					(5,134)
Other, value	15	$ 0	$ 0	0	(6)	0	21
Ending balance, shares at Mar. 31, 2022		48,793	191,743
Ending balance, value at Mar. 31, 2022	$ 6,437,970	$ 1,182,459	$ 7,649	$ 8,097,523	$ (3,154,549)	$ 51,776	$ 253,112