Consolidated Statements of Changes in Equity (VNO) - USD ($) shares in Thousands, $ in Thousands	Total	Real estate fund investments	Other	Preferred Shares / Units	Common Shares	Additional Capital	Earnings Less Than Distributions	Accumulated Other Comprehensive (Loss) Income	Non- controlling Interests in Consolidated Subsidiaries	Non- controlling Interests in Consolidated Subsidiaries Real estate fund investments	Non- controlling Interests in Consolidated Subsidiaries Other	Series N	Series N Preferred Shares / Units	Series K Preferred Stock	Series K Preferred Stock Preferred Shares / Units	Series K Preferred Stock Earnings Less Than Distributions	4.45% Series O	4.45% Series O Preferred Shares / Units	Cumulative Effect, Period of Adoption, Adjustment	Cumulative Effect, Period of Adoption, Adjustment Earnings Less Than Distributions
Beginning balance, shares at Dec. 31, 2018				36,800	190,535
Beginning balance, value at Dec. 31, 2018	$ 5,107,883			$ 891,294	$ 7,600	$ 7,725,857	$ (4,167,184)	$ 7,664	$ 642,652
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss) attributable to the entities	3,147,937						3,147,937
Net loss attributable to noncontrolling interests in consolidated subsidiaries	(24,547)								(24,547)
Distributions to Vornado	(503,785)						(503,785)
Special dividend ($1.95 per share)	(372,380)						(372,380)
Dividends on preferred shares / Distributions to preferred unitholders (see Note 11 for dividends per share amounts)	(50,131)						(50,131)
Common shares issued:
Upon redemption of redeemable Class A units, at redemption value, shares					171
Upon redemption of redeemable Class A units, at redemption value	11,250				$ 7	11,243
Under Vornado's employees' share option plan, shares					245
Under Vornado's employees' share option plan	(3,098)				$ 10	5,479	(8,587)
Under Vornado's dividend reinvestment plan, shares					22
Under Vornado's dividend reinvestment plan	1,414				$ 1	1,413
Contributions
Contributions:		$ 9,023	$ 8,848							$ 9,023	$ 8,848
Distributions:
Distributions			(45,587)								(45,587)
Conversion of Series A preferred shares to common shares / Conversion of Series A preferred units to Class A units, shares				(2)	6
Conversion of Series A preferred shares to common shares / Conversion of Series A preferred units to Class A units, value	0			$ (80)		80
Deferred compensation shares / units and options, Shares					7
Deferred compensation shares / units and options, Value	990					1,095	(105)
Amounts reclassified related to a nonconsolidated subsidiary	(2,311)							(2,311)
Other comprehensive income (loss) of nonconsolidated subsidiaries	(938)							(938)
Increase (reduction) in interest rate swaps	(47,885)							(47,885)
Unearned Out-Performance Plan awards acceleration	11,720					11,720
Redeemable Class A unit measurement adjustment	70,810					70,810
Redeemable noncontrolling interests' share of above adjustments	3,235							3,235
Deconsolidation of partially owned entity	$ (11,441)								(11,441)
Other, shares	(2)
Other, value	$ (29)					0	(31)	2	0
Ending balance, shares at Dec. 31, 2019				36,796	190,986
Ending balance, value at Dec. 31, 2019	$ 7,310,978			$ 891,214	$ 7,618	7,827,697	(1,954,266)	(40,233)	578,948										$ (16,064)	$ (16,064)
Distributions:
Accounting Standards Update [Extensible List]	Accounting Standards Update 2016-13 [Member]
Net income (loss) attributable to the entities	$ (297,005)						(297,005)
Net loss attributable to noncontrolling interests in consolidated subsidiaries	(140,438)								(140,438)
Dividends on common shares	(454,939)						(454,939)
Dividends on preferred shares / Distributions to preferred unitholders (see Note 11 for dividends per share amounts)	(51,739)						(51,739)
Cumulative redeemable preferred units issuance, shares													12,000
Cumulative redeemable preferred shares issuance												$ 291,182	$ 291,182
Upon redemption of redeemable Class A units, at redemption value, shares					236
Upon redemption of redeemable Class A units, at redemption value	9,266				$ 9	9,257
Under Vornado's employees' share option plan, shares					69
Under Vornado's employees' share option plan	3,517				$ 3	3,514	0
Under Vornado's dividend reinvestment plan, shares					47
Under Vornado's dividend reinvestment plan	2,345				$ 2	2,343
Contributions:		$ 3,389	$ 4,305							$ 3,389	$ 4,305
Distributions	(33,007)								(33,007)
Conversion of Series A preferred shares to common shares / Conversion of Series A preferred units to Class A units, shares				(3)	4
Conversion of Series A preferred shares to common shares / Conversion of Series A preferred units to Class A units, value	0			$ (57)		57
Deferred compensation shares / units and options, Shares					13
Deferred compensation shares / units and options, Value	1,169				$ 1	1,305	(137)
Amounts reclassified related to a nonconsolidated subsidiary	0
Other comprehensive income (loss) of nonconsolidated subsidiaries	(14,342)							(14,342)
Increase (reduction) in interest rate swaps	(29,972)							(29,972)
Unearned Out-Performance Plan awards acceleration	10,824					10,824
Redeemable Class A unit measurement adjustment	344,043					344,043
Redeemable noncontrolling interests' share of above adjustments	2,914							2,914
Other, value	1,729					(6,533)	(32)	6,534	1,760
Ending balance, shares at Dec. 31, 2020				48,793	191,355
Ending 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 the entities	175,999						175,999
Net loss attributable to noncontrolling interests in consolidated subsidiaries	20,826								20,826
Dividends on common shares	(406,109)						(406,109)
Dividends on preferred shares / Distributions to preferred unitholders (see Note 11 for dividends per share amounts)	(65,880)						(65,880)
Cumulative redeemable preferred units issuance, shares																		12,000
Cumulative redeemable preferred shares issuance																	$ 291,153	$ 291,153
Common shares issued:
Upon redemption of redeemable Class A units, at redemption value, shares					350
Upon redemption of redeemable Class A units, at redemption value	14,576				$ 14	14,562
Under Vornado's employees' share option plan, shares					1
Under Vornado's employees' share option plan	22				$ 0	22
Under Vornado's dividend reinvestment plan, shares					21
Under Vornado's dividend reinvestment plan	877				$ 1	876
Contributions
Contributions:	4,052								4,052
Distributions:
Distributions	(160,975)								(160,975)
Conversion of Series A preferred shares to common shares / Conversion of Series A preferred units to Class A units, shares				0	1
Conversion of Series A preferred shares to common shares / Conversion of Series A preferred units to Class A units, value	0			$ (13)	$ 0	13
Deferred compensation shares / units and options, Shares					(4)
Deferred compensation shares / units and options, Value	792				$ 0	906	(114)
Amounts reclassified related to a nonconsolidated subsidiary	0
Other comprehensive income (loss) of nonconsolidated subsidiaries	10,275							10,275
Increase (reduction) in interest rate swaps	51,337							51,337
Unearned Out-Performance Plan awards acceleration	10,283					10,283
Redeemable Class A unit measurement adjustment	(76,073)					(76,073)
Series K cumulative redeemable preferred shares called for redemption, shares															(12,000)
Series K cumulative redeemable preferred shares called for redemption														$ (300,000)	$ (290,967)	$ (9,033)
Redeemable noncontrolling interests' share of above adjustments	(4,048)							(4,048)
Other, value	(24)			$ (53)		(3)	(1)	1	32
Ending balance, shares at Dec. 31, 2021				48,793	191,724
Ending balance, value at Dec. 31, 2021	$ 6,515,238			$ 1,182,459	$ 7,648	$ 8,143,093	$ (3,079,320)	$ (17,534)	$ 278,892