CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands	Total	Preferred Units	Earnings Less Than Distributions	Accumulated Other Comprehensive (Loss) Income	Non-controlling Interests in Consolidated Subsidiaries	Vornado Realty L.P.	Vornado Realty L.P. Preferred Units	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 (in shares) at Dec. 31, 2021		48,793,000					48,793,000
Beginning balance 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
Beginning balance (in shares) at Dec. 31, 2021								191,724,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to Vornado / Vornado Realty L.P.	131,252		131,252			137,634			137,634
Net income attributable to redeemable partnership units	(6,382)					(6,382)			(6,382)
Net income (loss) attributable to nonredeemable noncontrolling interests in consolidated subsidiaries	13,236				13,236	13,236					13,236
Distributions to Vornado						(304,896)			(304,896)
Dividends on preferred shares / Distributions to preferred unitholders (see Note 12 for dividends per share and distributions per unit amounts)	(46,587)		(46,587)			(46,587)			(46,587)
Common shares issued: / Class A Units issued to Vornado
Class A units redeemed for common shares (in shares)								76,000
Class A units redeemed for common shares	2,569					2,569		$ 2,569
Under Vornado's employees' share option plan	7					7		$ 7
Under Vornado's dividend reinvestment plan (in shares)								19,000
Under Vornado's dividend reinvestment plan	655					655		$ 655
Contributions	4,903				4,903	4,903					4,903
Distributions	(45,976)				(45,976)	(45,976)					(45,976)
Deferred compensation shares/units and options (in shares)								(2,000)
Deferred compensation shares/units and options	362		(85)			362		$ 447	(85)
Other comprehensive (loss) income of nonconsolidated subsidiaries	19,084			19,084		19,084				19,084
Change in fair value of consolidated interest rate hedges and other	200,838			200,838		200,838				200,838
Redeemable Class A unit measurement adjustment	215,619					215,619		215,619
Noncontrolling interests' share of other comprehensive income	(15,044)			(17,210)	2,166	(15,044)				(17,210)	2,166
Other	14		6		7	14		1	6		7
Ending balance (in shares) at Sep. 30, 2022		48,793,000					48,793,000
Ending balance at Sep. 30, 2022	6,691,274	$ 1,182,459	(3,299,630)	185,178	253,228	6,691,274	$ 1,182,459	$ 8,370,039	(3,299,630)	185,178	253,228
Ending balance (in shares) at Sep. 30, 2022								191,817,000
Beginning balance (in shares) at Jun. 30, 2022		48,793,000					48,793,000
Beginning balance 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 (in shares) at Jun. 30, 2022								191,775,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to Vornado / Vornado Realty L.P.	23,298		23,298			23,904			23,904
Net income attributable to redeemable partnership units	(606)					(606)			(606)
Net income (loss) attributable to nonredeemable noncontrolling interests in consolidated subsidiaries	967				967	967					967
Distributions to Vornado						(101,656)			(101,656)
Dividends on preferred shares / Distributions to preferred unitholders (see Note 12 for dividends per share and distributions per unit amounts)	(15,529)		(15,529)			(15,529)			(15,529)
Common shares issued: / Class A Units issued to Vornado
Class A units redeemed for common shares (in shares)								34,000
Class A units redeemed for common shares	992					992		$ 992
Under Vornado's dividend reinvestment plan (in shares)								7,000
Under Vornado's dividend reinvestment plan	221					221		$ 221
Contributions	650				650	650					650
Distributions	(4,548)				(4,548)	(4,548)					(4,548)
Deferred compensation shares/units and options	155					155		155
Other comprehensive (loss) income of nonconsolidated subsidiaries	5,124			5,124		5,124				5,124
Change in fair value of consolidated interest rate hedges and other	117,219			117,219		117,219				117,219
Redeemable Class A unit measurement adjustment	21,857					21,857		$ 21,857
Noncontrolling interests' share of other comprehensive income	(8,299)			(10,465)	2,166	(8,299)				(10,465)	2,166
Other (in shares)								1,000
Other	10		8		(1)	10		$ 3	8		(1)
Ending balance (in shares) at Sep. 30, 2022		48,793,000					48,793,000
Ending balance at Sep. 30, 2022	$ 6,691,274	$ 1,182,459	(3,299,630)	185,178	253,228	6,691,274	$ 1,182,459	$ 8,370,039	(3,299,630)	185,178	253,228
Ending balance (in shares) at Sep. 30, 2022								191,817,000
Beginning balance (in shares) at Dec. 31, 2022	48,792,902	48,793,000					48,793,000
Beginning balance at Dec. 31, 2022	$ 6,076,380	$ 1,182,459	(3,894,580)	174,967	236,652	6,076,380	$ 1,182,459	$ 8,376,882	(3,894,580)	174,967	236,652
Beginning balance (in shares) at Dec. 31, 2022	191,866,880							191,867,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to Vornado / Vornado Realty L.P.	$ 150,978		150,978			159,751			159,751
Net income attributable to redeemable partnership units	(8,773)					(8,773)			(8,773)
Net income (loss) attributable to nonredeemable noncontrolling interests in consolidated subsidiaries	2,961				2,961	2,961					2,961
Distributions to Vornado						(71,950)			(71,950)
Dividends on preferred shares / Distributions to preferred unitholders (see Note 12 for dividends per share and distributions per unit amounts)	(46,587)		(46,587)			(46,587)			(46,587)
Common shares issued: / Class A Units issued to Vornado
Class A units redeemed for common shares (in shares)								475,000
Class A units redeemed for common shares	7,173					7,173		$ 7,173
Under Vornado's dividend reinvestment plan (in shares)								6,000
Under Vornado's dividend reinvestment plan	146					146		$ 146
Contributions	22,534				22,534	22,534					22,534
Distributions	(3,831)				(3,831)	(3,831)					(3,831)
Deferred compensation shares/units and options (in shares)								(2,000)
Deferred compensation shares/units and options	218		(25)			218		$ 243	(25)
Repurchase of common shares/Class A units owned by Vornado (in shares)								(2,024,000)
Repurchase of common shares/Class A units owned by Vornado	(29,183)		(29,102)			(29,183)		$ (81)	(29,102)
Other comprehensive (loss) income of nonconsolidated subsidiaries	(4,534)			(4,534)		(4,534)				(4,534)
Change in fair value of consolidated interest rate hedges and other	2,433			2,433		2,433				2,433
Unearned 2020 Out-Performance Plan and 2019 Performance AO LTIP awards	20,668					20,668		20,668
Redeemable Class A unit measurement adjustment	(58,159)			(2,530)		(58,159)		(55,629)		(2,530)
Noncontrolling interests' share of other comprehensive income	$ (26)			(154)	128	(26)				(154)	128
Ending balance (in shares) at Sep. 30, 2023	48,792,902	48,793,000					48,793,000
Ending balance at Sep. 30, 2023	$ 6,069,221	$ 1,182,459	(3,891,266)	170,182	258,444	6,069,221	$ 1,182,459	$ 8,349,402	(3,891,266)	170,182	258,444
Ending balance (in shares) at Sep. 30, 2023	190,321,756							190,322,000
Beginning balance (in shares) at Jun. 30, 2023		48,793,000					48,793,000
Beginning balance at Jun. 30, 2023	$ 5,994,530	$ 1,182,459	(3,938,202)	151,771	259,673	5,994,530	$ 1,182,459	$ 8,338,829	(3,938,202)	151,771	259,673
Beginning balance (in shares) at Jun. 30, 2023								190,544,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to Vornado / Vornado Realty L.P.	68,375		68,375			73,111			73,111
Net income attributable to redeemable partnership units	(4,736)					(4,736)			(4,736)
Net income (loss) attributable to nonredeemable noncontrolling interests in consolidated subsidiaries	(2,350)				(2,350)	(2,350)					(2,350)
Dividends on preferred shares / Distributions to preferred unitholders (see Note 12 for dividends per share and distributions per unit amounts)	(15,529)		(15,529)			(15,529)			(15,529)
Common shares issued: / Class A Units issued to Vornado
Class A units redeemed for common shares (in shares)								81,000
Class A units redeemed for common shares	1,615					1,615		$ 1,615
Contributions	206				206	206					206
Distributions	(20)				(20)	(20)					(20)
Deferred compensation shares/units and options (in shares)								(1,000)
Deferred compensation shares/units and options	85		11			85		$ 74	11
Repurchase of common shares/Class A units owned by Vornado (in shares)								(302,000)
Repurchase of common shares/Class A units owned by Vornado	(5,933)		(5,921)			(5,933)		$ (12)	(5,921)
Other comprehensive (loss) income of nonconsolidated subsidiaries	(1,390)			(1,390)		(1,390)				(1,390)
Change in fair value of consolidated interest rate hedges and other	22,312			22,312		22,312				22,312
Redeemable Class A unit measurement adjustment	8,954			58		8,954		8,896		58
Noncontrolling interests' share of other comprehensive income	$ (1,634)			(2,569)	935	(1,634)				(2,569)	935
Ending balance (in shares) at Sep. 30, 2023	48,792,902	48,793,000					48,793,000
Ending balance at Sep. 30, 2023	$ 6,069,221	$ 1,182,459	$ (3,891,266)	$ 170,182	$ 258,444	$ 6,069,221	$ 1,182,459	$ 8,349,402	$ (3,891,266)	$ 170,182	$ 258,444
Ending balance (in shares) at Sep. 30, 2023	190,321,756							190,322,000