CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (UNAUDITED) - USD ($) $ in Thousands	Total	Preferred Shares	Common Shares	Additional Capital	Earnings Less Than Distributions	Accumulated Other Comprehensive Income (Loss)	Non-controlling Interests in Consolidated Subsidiaries
Beginning balance (in shares) at Dec. 31, 2023		48,793,000
Beginning balance at Dec. 31, 2023	$ 5,705,286	$ 1,182,459	$ 7,594	$ 8,263,291	$ (4,009,395)	$ 65,115	$ 196,222
Beginning balance (in shares) at Dec. 31, 2023			190,391,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss) attributable to Vornado	53,658				53,658
Net loss attributable to nonredeemable noncontrolling interests in consolidated subsidiaries	(16,272)						(16,272)
Dividends on preferred shares (see Note 12 for dividends per share amounts)	(46,586)				(46,586)
Common shares issued:
Common shares issued upon redemption of Class A units, at redemption value (in shares)			258,000
Upon redemption of redeemable Class A units, at redemption value and Class A units redeemed for common shares	7,819		$ 11	7,808
Conversion of Series A preferred units to common shares (in shares)			1,000
Under Vornado's employees' share option plan and Conversion of Series A preferred units to common shares	0	$ (10)		10
Contributions	1,851						1,851
Distributions	(1,183)						(1,183)
Other comprehensive income of nonconsolidated subsidiaries	(21,215)					(21,215)
Change in fair value of consolidated interest rate hedges and other	(49,539)					(49,539)
Redeemable Class A unit measurement adjustment	(180,547)			(180,531)		(16)
Operating Partnership	5,872					5,872
Consolidated subsidiaries	0					(695)	695
Other (in shares)			(1,000)
Other	126			145	(22)		3
Ending balance (in shares) at Sep. 30, 2024		48,793,000
Ending balance at Sep. 30, 2024	5,459,270	$ 1,182,449	$ 7,605	8,090,723	(4,002,345)	(478)	181,316
Ending balance (in shares) at Sep. 30, 2024			190,649,000
Beginning balance (in shares) at Jun. 30, 2024		48,793,000
Beginning balance at Jun. 30, 2024	5,817,999	$ 1,182,459	$ 7,599	8,314,657	(3,983,194)	104,779	191,699
Beginning balance (in shares) at Jun. 30, 2024			190,505,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss) attributable to Vornado	(3,626)				(3,626)
Net loss attributable to nonredeemable noncontrolling interests in consolidated subsidiaries	(6,290)						(6,290)
Dividends on preferred shares (see Note 12 for dividends per share amounts)	(15,528)				(15,528)
Common shares issued:
Common shares issued upon redemption of Class A units, at redemption value (in shares)			143,000
Upon redemption of redeemable Class A units, at redemption value and Class A units redeemed for common shares	4,779		$ 6	4,773
Conversion of Series A preferred units to common shares (in shares)			1,000
Under Vornado's employees' share option plan and Conversion of Series A preferred units to common shares	0	$ (10)		10
Contributions	93						93
Distributions	(998)						(998)
Other comprehensive income of nonconsolidated subsidiaries	(18,988)					(18,988)
Change in fair value of consolidated interest rate hedges and other	(98,940)					(98,940)
Redeemable Class A unit measurement adjustment	(228,690)			(228,717)		27
Operating Partnership	9,454					9,454
Consolidated subsidiaries	0					3,190	(3,190)
Other	5				3		2
Ending balance (in shares) at Sep. 30, 2024		48,793,000
Ending balance at Sep. 30, 2024	$ 5,459,270	$ 1,182,449	$ 7,605	8,090,723	(4,002,345)	(478)	181,316
Ending balance (in shares) at Sep. 30, 2024			190,649,000
Beginning balance (in shares) at Dec. 31, 2024	48,789,180	48,789,000
Beginning balance at Dec. 31, 2024	$ 5,337,211	$ 1,182,364	$ 7,634	8,052,793	(4,142,249)	57,700	178,969
Beginning balance (in shares) at Dec. 31, 2024	190,846,580		190,847,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss) attributable to Vornado	$ 888,828				888,828
Net loss attributable to nonredeemable noncontrolling interests in consolidated subsidiaries	(8,131)						(8,131)
Dividends on preferred shares (see Note 12 for dividends per share amounts)	(46,578)				(46,578)
Common shares issued:
Common shares issued upon redemption of Class A units, at redemption value (in shares)			1,207,000
Upon redemption of redeemable Class A units, at redemption value and Class A units redeemed for common shares	49,129		$ 48	49,081
Under employees’ share option plan (in shares)			1,000
Under employees’ share option plan	42			42
Contributions	673						673
Distributions	(188)						(188)
Other comprehensive income of nonconsolidated subsidiaries	(11,121)					(11,121)
Change in fair value of consolidated interest rate hedges and other	(48,183)					(48,183)
Redeemable Class A unit measurement adjustment	70,160			70,191		(31)
Operating Partnership	4,780					4,780
Consolidated subsidiaries	0					827	(827)
Other	$ (296)			(1)	(2)	1	(294)
Ending balance (in shares) at Sep. 30, 2025	48,789,180	48,789,000
Ending balance at Sep. 30, 2025	$ 6,236,326	$ 1,182,364	$ 7,682	8,172,106	(3,300,001)	3,973	170,202
Ending balance (in shares) at Sep. 30, 2025	192,054,832		192,055,000
Beginning balance (in shares) at Jun. 30, 2025		48,789,000
Beginning balance at Jun. 30, 2025	$ 6,263,961	$ 1,182,364	$ 7,682	8,203,781	(3,311,586)	9,857	171,863
Beginning balance (in shares) at Jun. 30, 2025			192,041,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss) attributable to Vornado	27,115				27,115
Net loss attributable to nonredeemable noncontrolling interests in consolidated subsidiaries	(1,143)						(1,143)
Dividends on preferred shares (see Note 12 for dividends per share amounts)	(15,526)				(15,526)
Common shares issued:
Common shares issued upon redemption of Class A units, at redemption value (in shares)			14,000
Upon redemption of redeemable Class A units, at redemption value and Class A units redeemed for common shares	551			551
Under employees’ share option plan	6			6
Distributions	(2)						(2)
Other comprehensive income of nonconsolidated subsidiaries	130					130
Change in fair value of consolidated interest rate hedges and other	(7,041)					(7,041)
Redeemable Class A unit measurement adjustment	(32,228)			(32,231)		3
Operating Partnership	509					509
Consolidated subsidiaries	0					516	(516)
Other	$ (6)			(1)	(4)	(1)
Ending balance (in shares) at Sep. 30, 2025	48,789,180	48,789,000
Ending balance at Sep. 30, 2025	$ 6,236,326	$ 1,182,364	$ 7,682	$ 8,172,106	$ (3,300,001)	$ 3,973	$ 170,202
Ending balance (in shares) at Sep. 30, 2025	192,054,832		192,055,000