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 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.	85,062				85,062
Net income (loss) attributable to nonredeemable noncontrolling interests in consolidated subsidiaries	14,505						14,505
Dividends on common shares	(202,989)				(202,989)
Dividends on preferred shares / preferred units (see Note 12 for dividends per share amounts)	(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	8,301
Under employees' share option plan, value	10			10
Under dividend reinvestment plan, shares			10
Under dividend reinvestment plan, value	430		$ 0	430
Contributions:
Contributions	1,547						1,547
Distributions:
Distributions	(145,057)						(145,057)
Deferred compensation shares and options, shares			(3)
Deferred compensation shares and options	335			449	(114)
Other comprehensive income of nonconsolidated subsidiaries	5,059					5,059
Change in fair value of interest rate swaps and other	20,193					20,193
Unearned 2018 Out-Performance Plan awards acceleration	10,283			10,283
Redeemable Class A unit measurement adjustment	(142,948)			(142,948)
Redeemable noncontrolling interests' share of above adjustments	(1,590)					(1,590)
Other, value	(53)	$ (48)	$ 0	1	(4)	0	(2)
Ending balance, shares at Jun. 30, 2021		48,793	191,561
Ending balance, value at Jun. 30, 2021	6,568,317	$ 1,182,291	$ 7,641	8,069,033	(2,925,161)	(51,437)	285,950
Beginning balance, shares at Mar. 31, 2021		48,793	191,465
Beginning balance, value at Mar. 31, 2021	6,753,185	$ 1,182,311	$ 7,638	8,080,392	(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
Net income (loss) attributable to nonredeemable noncontrolling interests in consolidated subsidiaries	8,308						8,308
Dividends on common shares	(101,522)				(101,522)
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			92
Upon redemption of Class A units, at redemption value, value	4,206		$ 4	4,202
Under employees' share option plan, shares			0
Under employees' share option plan, value	6			6
Under dividend reinvestment plan, shares			4
Under dividend reinvestment plan, value	219		$ 0	219
Contributions:
Contributions	1,547						1,547
Distributions:
Distributions	(139,180)						(139,180)
Deferred compensation shares and options, shares			0
Deferred compensation shares and options	225			225	0
Other comprehensive income of nonconsolidated subsidiaries	1,468					1,468
Change in fair value of interest rate swaps and other	8,551					8,551
Redeemable Class A unit measurement adjustment	(16,012)			(16,012)
Redeemable noncontrolling interests' share of above adjustments	(704)					(704)
Other, value	(25)	$ (20)	$ (1)	1	(3)	1	(3)
Ending balance, shares at Jun. 30, 2021		48,793	191,561
Ending balance, value at Jun. 30, 2021	6,568,317	$ 1,182,291	$ 7,641	8,069,033	(2,925,161)	(51,437)	285,950
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.	107,954				107,954
Net income (loss) attributable to nonredeemable noncontrolling interests in consolidated subsidiaries	12,269						12,269
Dividends on common shares	(203,240)				(203,240)
Dividends on preferred shares / preferred units (see Note 12 for dividends per share amounts)	(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		$ 2	1,575
Under employees' share option plan, value	7			7
Under dividend reinvestment plan, shares			12
Under dividend reinvestment plan, value	434		$ 0	434
Contributions:
Contributions	4,253						4,253
Distributions:
Distributions	(41,428)						(41,428)
Deferred compensation shares and options, shares			(2)
Deferred compensation shares and options	207			292	(85)
Other comprehensive income of nonconsolidated subsidiaries	13,960					13,960
Change in fair value of interest rate swaps and other	83,619					83,619
Redeemable Class A unit measurement adjustment	193,762			193,762
Redeemable noncontrolling interests' share of above adjustments	(6,745)					(6,745)
Other, shares			(1)
Other, value	4	$ 0	$ 0	(2)	(2)	0	8
Ending balance, shares at Jun. 30, 2022		48,793	191,775
Ending balance, value at Jun. 30, 2022	6,650,813	$ 1,182,459	$ 7,650	8,339,161	(3,205,751)	73,300	253,994
Beginning balance, shares at Mar. 31, 2022		48,793	191,743
Beginning balance, value at Mar. 31, 2022	6,437,970	$ 1,182,459	$ 7,649	8,097,523	(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
Net income (loss) attributable to nonredeemable noncontrolling interests in consolidated subsidiaries	2,590						2,590
Dividends on common shares	(101,624)				(101,624)
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			26
Upon redemption of Class A units, at redemption value, value	860		$ 1	859
Under dividend reinvestment plan, shares			7
Under dividend reinvestment plan, value	222		$ 0	222
Contributions:
Contributions	3,772						3,772
Distributions:
Distributions	(5,467)						(5,467)
Deferred compensation shares and options, shares			0
Deferred compensation shares and options	146			146	0
Other comprehensive income of nonconsolidated subsidiaries	4,755					4,755
Change in fair value of interest rate swaps and other	18,380					18,380
Redeemable Class A unit measurement adjustment	240,413			240,413
Redeemable noncontrolling interests' share of above adjustments	(1,611)					(1,611)
Other, shares			(1)
Other, value	(11)		$ 0	(2)	4	0	(13)
Ending balance, shares at Jun. 30, 2022		48,793	191,775
Ending balance, value at Jun. 30, 2022	$ 6,650,813	$ 1,182,459	$ 7,650	$ 8,339,161	$ (3,205,751)	$ 73,300	$ 253,994