Consolidated Statements of Changes in Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Preferred Shares	Earnings Less Than Distributions	Accumulated Other Comprehensive 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 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.	85,062		85,062			88,927			88,927
Net income attributable to redeemable partnership units	(3,865)					(3,865)			(3,865)
Net income (loss) attributable to nonredeemable noncontrolling interests in consolidated subsidiaries	14,505				14,505	14,505					14,505
Distributions to Vornado						(202,989)			(202,989)
Dividends on preferred shares / preferred units (see Note 12 for dividends per share amounts)	(32,934)		(32,934)			(32,934)			(32,934)
Common shares issued: / Class A Units issued to Vornado
Upon redemption of Class A units, at redemption value, shares								199
Upon redemption of Class A units, at redemption value, value	8,309					8,309		$ 8,309
Under employees' share option plan, shares								0
Under employees' share option plan, value	10					10		$ 10
Under dividend reinvestment plan, shares								10
Under dividend reinvestment plan, value	430					430		$ 430
Contributions:
Contributions	1,547				1,547	1,547					1,547
Distributions:
Distributions	(145,057)				(145,057)	(145,057)					(145,057)
Deferred compensation shares and options, shares								(3)
Deferred compensation shares and options	335		(114)			335		$ 449	(114)
Other comprehensive income of nonconsolidated subsidiaries	5,059			5,059		5,059				5,059
Change in fair value of interest rate swaps and other	20,193			20,193		20,193				20,193
Unearned 2018 Out-Performance Plan awards acceleration	10,283					10,283		10,283
Redeemable Class A unit measurement adjustment	(142,948)					(142,948)		$ (142,948)
Redeemable noncontrolling interests' share of above adjustments	(1,590)			(1,590)		(1,590)				(1,590)
Other, shares								0
Other, value	(53)	$ (48)	(4)	0	(2)	(53)	$ (48)	$ 1	(4)	0	(2)
Ending balance, shares at Jun. 30, 2021		48,793					48,793	191,561
Ending balance, value at Jun. 30, 2021	6,568,317	$ 1,182,291	(2,925,161)	(51,437)	285,950	6,568,317	$ 1,182,291	$ 8,076,674	(2,925,161)	(51,437)	285,950
Beginning balance, shares at Mar. 31, 2021		48,793					48,793	191,465
Beginning 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
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss) attributable to Vornado / Vornado Realty L.P.	64,512		64,512			68,048			68,048
Net income attributable to redeemable partnership units	(3,536)					(3,536)			(3,536)
Net income (loss) attributable to nonredeemable noncontrolling interests in consolidated subsidiaries	8,308				8,308	8,308					8,308
Distributions to Vornado						(101,522)			(101,522)
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								92
Upon redemption of Class A units, at redemption value, value	4,206					4,206		$ 4,206
Under employees' share option plan, shares								0
Under employees' share option plan, value	6					6		$ 6
Under dividend reinvestment plan, shares								4
Under dividend reinvestment plan, value	219					219		$ 219
Contributions:
Contributions	1,547				1,547	1,547					1,547
Distributions:
Distributions	(139,180)				(139,180)	(139,180)					(139,180)
Deferred compensation shares and options, shares								0
Deferred compensation shares and options	225		0			225		$ 225	0
Other comprehensive income of nonconsolidated subsidiaries	1,468			1,468		1,468				1,468
Change in fair value of interest rate swaps and other	8,551			8,551		8,551				8,551
Redeemable Class A unit measurement adjustment	(16,012)					(16,012)		(16,012)
Redeemable noncontrolling interests' share of above adjustments	(704)			(704)		(704)				(704)
Other, value	(25)	$ (20)	(3)	1	(3)	(25)	$ (20)	$ 0	(3)	1	(3)
Ending balance, shares at Jun. 30, 2021		48,793					48,793	191,561
Ending balance, value at Jun. 30, 2021	6,568,317	$ 1,182,291	(2,925,161)	(51,437)	285,950	6,568,317	$ 1,182,291	$ 8,076,674	(2,925,161)	(51,437)	285,950
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.	107,954		107,954			113,730			113,730
Net income attributable to redeemable partnership units	(5,776)					(5,776)			(5,776)
Net income (loss) attributable to nonredeemable noncontrolling interests in consolidated subsidiaries	12,269				12,269	12,269					12,269
Distributions to Vornado						(203,240)			(203,240)
Dividends on preferred shares / preferred units (see Note 12 for dividends per share amounts)	(31,058)		(31,058)			(31,058)			(31,058)
Common shares issued: / Class A Units issued to Vornado
Upon redemption of Class A units, at redemption value, shares								42
Upon redemption of Class A units, at redemption value, value	1,577					1,577		$ 1,577
Under employees' share option plan, value	7					7		$ 7
Under dividend reinvestment plan, shares								12
Under dividend reinvestment plan, value	434					434		$ 434
Contributions:
Contributions	4,253				4,253	4,253					4,253
Distributions:
Distributions	(41,428)				(41,428)	(41,428)					(41,428)
Deferred compensation shares and options, shares								(2)
Deferred compensation shares and options	207		(85)			207		$ 292	(85)
Other comprehensive income of nonconsolidated subsidiaries	13,960			13,960		13,960				13,960
Change in fair value of interest rate swaps and other	83,619			83,619		83,619				83,619
Redeemable Class A unit measurement adjustment	193,762					193,762		$ 193,762
Redeemable noncontrolling interests' share of above adjustments	(6,745)			(6,745)		(6,745)				(6,745)
Other, shares								(1)
Other, value	4	$ 0	(2)	0	8	4	$ 0	$ (2)	(2)	0	8
Ending balance, shares at Jun. 30, 2022		48,793					48,793	191,775
Ending balance, value at Jun. 30, 2022	6,650,813	$ 1,182,459	(3,205,751)	73,300	253,994	6,650,813	$ 1,182,459	$ 8,346,811	(3,205,751)	73,300	253,994
Beginning balance, shares at Mar. 31, 2022		48,793					48,793	191,743
Beginning 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
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss) attributable to Vornado / Vornado Realty L.P.	65,947		65,947			69,729			69,729
Net income attributable to redeemable partnership units	(3,782)					(3,782)			(3,782)
Net income (loss) attributable to nonredeemable noncontrolling interests in consolidated subsidiaries	2,590				2,590	2,590					2,590
Distributions to Vornado						(101,624)			(101,624)
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								26
Upon redemption of Class A units, at redemption value, value	860					860		$ 860
Under dividend reinvestment plan, shares								7
Under dividend reinvestment plan, value	222					222		$ 222
Contributions:
Contributions	3,772				3,772	3,772					3,772
Distributions:
Distributions	(5,467)				(5,467)	(5,467)					(5,467)
Deferred compensation shares and options, shares								0
Deferred compensation shares and options	146		0			146		$ 146	0
Other comprehensive income of nonconsolidated subsidiaries	4,755			4,755		4,755				4,755
Change in fair value of interest rate swaps and other	18,380			18,380		18,380				18,380
Redeemable Class A unit measurement adjustment	240,413					240,413		$ 240,413
Redeemable noncontrolling interests' share of above adjustments	(1,611)			(1,611)		(1,611)				(1,611)
Other, shares								(1)
Other, value	(11)		4	0	(13)	(11)	$ 0	$ (2)	4	0	(13)
Ending balance, shares at Jun. 30, 2022		48,793					48,793	191,775
Ending balance, value at Jun. 30, 2022	$ 6,650,813	$ 1,182,459	$ (3,205,751)	$ 73,300	$ 253,994	$ 6,650,813	$ 1,182,459	$ 8,346,811	$ (3,205,751)	$ 73,300	$ 253,994