Vornado Realty Trust (VNO) 10-K 16 Feb 21 2020 FY Annual report Financial data

Document and Entity Information

Document and Entity Information - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Jun. 30, 2020
Entity Information [Line Items]
Document Type	10-K
Document Transition Report	false
Document Annual Report	true
Current Fiscal Year End Date	--12-31
Document Period End Date	Dec. 31, 2020
Entity Registrant Name	Vornado Realty Trust
Entity File Number	001-11954
Entity Incorporation, State or Country Code	MD
Entity Tax Identification Number	22-1657560
Entity Address, Address Line One	888 Seventh Avenue,
Entity Address, City or Town	New York,
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10019
City Area Code	(212)
Local Phone Number	894-7000
Title of 12(g) Security	Series A Convertible Preferred Shares of beneficial interest, liquidation preference $50.00 per share
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Emerging Growth Company	false
Entity Small Business	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float		$ 6,727,146
Entity Common Stock, Shares Outstanding	191,354,679
Documents Incorporated by Reference	Part III : Portions of Proxy Statement for Annual Meeting of Vornado Realty Trust’s Shareholders to be held on May 20, 2021.
Entity Central Index Key	0000899689
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY
Amendment Flag	false
Vornado Realty L.P.
Entity Information [Line Items]
Entity Registrant Name	VORNADO REALTY LP
Entity File Number	001-34482
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	13-3925979
Title of 12(g) Security	Class A Units of Limited Partnership Interest
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Emerging Growth Company	false
Entity Small Business	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float		$ 396,866
Entity Central Index Key	0001040765
Document Fiscal Year Focus	2020
Common Shares of beneficial interest, $.04 par value per share | New York Stock Exchange
Entity Information [Line Items]
Title of 12(b) Security	Common Shares of beneficial interest, $.04 par value per share
Trading Symbol	VNO
Security Exchange Name	NYSE
5.70% Series K | New York Stock Exchange
Entity Information [Line Items]
Title of 12(b) Security	5.70% Series K
Trading Symbol	VNO/PK
Security Exchange Name	NYSE
5.40% Series L | New York Stock Exchange
Entity Information [Line Items]
Title of 12(b) Security	5.40% Series L
Trading Symbol	VNO/PL
Security Exchange Name	NYSE
5.25% Series M | New York Stock Exchange
Entity Information [Line Items]
Title of 12(b) Security	5.25% Series M
Trading Symbol	VNO/PM
Security Exchange Name	NYSE
5.25% Series N | New York Stock Exchange
Entity Information [Line Items]
Title of 12(b) Security	5.25% Series N
Trading Symbol	VNO/PN
Security Exchange Name	NYSE

Consolidated Balance Sheets

Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Real estate, at cost:
Land	$ 2,420,054	$ 2,591,261
Buildings and improvements	7,933,030	7,953,163
Development costs and construction in progress	1,604,637	1,490,614
Moynihan Train Hall development expenditures	0	914,960
Leasehold improvements and equipment	130,222	124,014
Total	12,087,943	13,074,012	$ 16,237,883	$ 14,756,295
Less accumulated depreciation and amortization	(3,169,446)	(3,015,958)
Real estate, net	8,918,497	10,058,054
Right-of-use assets	367,365	379,546
Cash and cash equivalents	1,624,482	1,515,012	570,916	1,817,655
Restricted cash	105,887	92,119
Marketable securities	0	33,313	152,198
Tenant and other receivables	77,658	95,733
Investments in partially owned entities	3,491,107	3,999,165
Real estate fund investments	3,739	222,649
220 Central Park South condominium units ready for sale	128,215	408,918
Receivable arising from the straight-lining of rents	674,075	742,206
Deferred leasing costs, net of accumulated amortization of $196,972 and $196,229	372,919	353,986
Identified intangible assets, net of accumulated amortization of $93,113 and $98,587	23,856	30,965
Other assets	434,022	355,347
Assets	16,221,822	18,287,013
LIABILITIES, REDEEMABLE NONCONTROLLING INTERESTS AND EQUITY
Mortgages payable, net	5,580,549	5,639,897
Senior unsecured notes, net	446,685	445,872
Unsecured term loan, net	796,762	745,840
Unsecured revolving credit facilities	575,000	575,000
Lease liabilities	401,008	498,254
Moynihan Train Hall obligation	0	914,960
Special dividend/distribution payable	0	398,292
Accounts payable and accrued expenses	427,202	440,049
Deferred revenue	40,110	59,429
Deferred compensation plan	105,564	103,773
Other liabilities	294,520	265,754
Total liabilities	8,667,400	10,087,120
Commitments and contingencies
Redeemable noncontrolling interests:
Total redeemable noncontrolling interests / partnership units	606,267	888,915
Shareholders' / Partners' equity:
Preferred shares of beneficial interest: no par value per share; authorized 110,000,000 shares; issued and outstanding 48,793,402 and 36,795,640 shares	1,182,339	891,214
Common shares of beneficial interest: $0.04 par value per share; authorized 250,000,000 shares; issued and outstanding 191,354,679 and 190,985,677 shares	7,633	7,618
Additional capital	8,192,507	7,827,697
Earnings less than distributions	(2,774,182)	(1,954,266)
Accumulated other comprehensive loss	(75,099)	(40,233)
Total Vornado and Vornado Realty L.P. shareholders' equity	6,533,198	6,732,030
Noncontrolling interests in consolidated subsidiaries	414,957	578,948
Total equity	6,948,155	7,310,978	5,107,883	5,007,701
Total liabilities, redeemable noncontrolling interests / partnership units and equity	16,221,822	18,287,013
Class A
Redeemable noncontrolling interests:
Class A units - 13,583,607 and 13,298,956 units outstanding	507,212	884,380
Partnership Interest
Redeemable noncontrolling interests:
Class A units - 13,583,607 and 13,298,956 units outstanding	507,212	884,380
Series D cumulative redeemable preferred units - 141,401 units outstanding	4,535	4,535
Total redeemable noncontrolling interests / partnership units	511,747	888,915	783,562
Subsidiaries
Redeemable noncontrolling interests:
Total redeemable noncontrolling interests / partnership units	94,520	0
Vornado Realty L.P.
Real estate, at cost:
Land	2,420,054	2,591,261
Buildings and improvements	7,933,030	7,953,163
Development costs and construction in progress	1,604,637	1,490,614
Moynihan Train Hall development expenditures	0	914,960
Leasehold improvements and equipment	130,222	124,014
Total	12,087,943	13,074,012
Less accumulated depreciation and amortization	(3,169,446)	(3,015,958)
Real estate, net	8,918,497	10,058,054
Right-of-use assets	367,365	379,546
Cash and cash equivalents	1,624,482	1,515,012	570,916	1,817,655
Restricted cash	105,887	92,119	145,989	97,157
Marketable securities	0	33,313
Tenant and other receivables	77,658	95,733
Investments in partially owned entities	3,491,107	3,999,165
Real estate fund investments	3,739	222,649
220 Central Park South condominium units ready for sale	128,215	408,918
Receivable arising from the straight-lining of rents	674,075	742,206
Deferred leasing costs, net of accumulated amortization of $196,972 and $196,229	372,919	353,986
Identified intangible assets, net of accumulated amortization of $93,113 and $98,587	23,856	30,965
Other assets	434,022	355,347
Assets	16,221,822	18,287,013
LIABILITIES, REDEEMABLE NONCONTROLLING INTERESTS AND EQUITY
Mortgages payable, net	5,580,549	5,639,897
Senior unsecured notes, net	446,685	445,872
Unsecured term loan, net	796,762	745,840
Unsecured revolving credit facilities	575,000	575,000
Lease liabilities	401,008	498,254
Moynihan Train Hall obligation	0	914,960
Special dividend/distribution payable	0	398,292
Accounts payable and accrued expenses	427,202	440,049
Deferred revenue	40,110	59,429
Deferred compensation plan	105,564	103,773
Other liabilities	294,520	265,754
Total liabilities	8,667,400	10,087,120
Commitments and contingencies
Redeemable noncontrolling interests:
Total redeemable noncontrolling interests / partnership units	606,267	888,915
Shareholders' / Partners' equity:
Partners' capital	9,382,479	8,726,529
Earnings less than distributions	(2,774,182)	(1,954,266)
Accumulated other comprehensive loss	(75,099)	(40,233)
Total Vornado and Vornado Realty L.P. shareholders' equity	6,533,198	6,732,030
Noncontrolling interests in consolidated subsidiaries	414,957	578,948
Total equity	6,948,155	7,310,978	$ 5,107,883	$ 5,007,701
Total liabilities, redeemable noncontrolling interests / partnership units and equity	16,221,822	18,287,013
Vornado Realty L.P. | Partnership Interest
Redeemable noncontrolling interests:
Class A units - 13,583,607 and 13,298,956 units outstanding	507,212	884,380
Series D cumulative redeemable preferred units - 141,401 units outstanding	4,535	4,535
Total redeemable noncontrolling interests / partnership units	511,747	888,915
Vornado Realty L.P. | Subsidiaries
Redeemable noncontrolling interests:
Total redeemable noncontrolling interests / partnership units	$ 94,520	$ 0

Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
ASSETS
Deferred leasing costs, accumulated amortization (in US dollars)	$ 196,972	$ 196,229
Identified intangible assets, accumulated amortization (in US dollars)	$ 93,113	$ 98,587
LIABILITIES, REDEEMABLE NONCONTROLLING INTERESTS AND EQUITY
Preferred stock, par value per share (in dollars per share)	$ 0	$ 0
Preferred shares of beneficial interest: authorized shares	110,000,000	110,000,000
Preferred shares of beneficial interest: issued shares	48,793,402	36,795,640
Preferred shares of beneficial interest: outstanding shares	48,793,402	36,795,640
Common shares of beneficial interest: par value per share (in dollars per share)	$ 0.04	$ 0.04
Common shares of beneficial interest: authorized shares	250,000,000	250,000,000
Common shares of beneficial interest: issued shares	191,354,679	190,985,677
Common shares of beneficial interest: outstanding shares	191,354,679	190,985,677
Vornado Realty L.P.
ASSETS
Deferred leasing costs, accumulated amortization (in US dollars)	$ 196,972	$ 196,229
Identified intangible assets, accumulated amortization (in US dollars)	$ 93,113	$ 98,587
Class A
LIABILITIES, REDEEMABLE NONCONTROLLING INTERESTS AND EQUITY
Outstanding Partnership Units held by Third Parties	13,583,607	13,298,956
Class A | Vornado Realty L.P.
LIABILITIES, REDEEMABLE NONCONTROLLING INTERESTS AND EQUITY
Outstanding Partnership Units held by Third Parties	13,583,607	13,298,956
Common shares of beneficial interest: outstanding shares	191,354,679
Series D Cumulative Redeemable Preferred Unit
LIABILITIES, REDEEMABLE NONCONTROLLING INTERESTS AND EQUITY
Outstanding Partnership Units held by Third Parties	141,401	141,401
Series D Cumulative Redeemable Preferred Unit | Vornado Realty L.P.
LIABILITIES, REDEEMABLE NONCONTROLLING INTERESTS AND EQUITY
Outstanding Partnership Units held by Third Parties	141,401	141,401

Consolidated Statements of Inco

Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
REVENUES:
Total revenues	$ 1,527,951	$ 1,924,700	$ 2,163,720
EXPENSES:
Operating	(789,066)	(917,981)	(963,478)
Depreciation and amortization	(399,695)	(419,107)	(446,570)
General and administrative	(181,509)	(169,920)	(141,871)
(Expense) benefit from deferred compensation plan liability	(6,443)	(11,609)	2,480
Impairment losses and transaction related costs, net	(174,027)	(106,538)	(31,320)
Total expenses	(1,550,740)	(1,625,155)	(1,580,759)
(Loss) income from partially owned entities	(329,112)	78,865	9,149
Loss from real estate fund investments	(226,327)	(104,082)	(89,231)
Interest and other investment (loss) income, net	(5,499)	21,819	17,057
Income (loss) from deferred compensation plan assets	6,443	11,609	(2,480)
Interest and debt expense	(229,251)	(286,623)	(347,949)
Net gain on transfer to Fifth Avenue and Times Square JV	0	2,571,099	0
Purchase price fair value adjustment	0	0	44,060
Net gains on disposition of wholly owned and partially owned assets	381,320	845,499	246,031
(Loss) income before income taxes	(425,215)	3,437,731	459,598
Income tax expense	(36,630)	(103,439)	(37,633)
(Loss) income from continuing operations	(461,845)	3,334,292	421,965
(Loss) income from discontinued operations	0	(30)	638
Net (loss) income	(461,845)	3,334,262	422,603
Less net loss (income) attributable to noncontrolling interests in:
Consolidated subsidiaries	139,894	24,547	53,023
Operating Partnership	24,946	(210,872)	(25,672)
Net (loss) income attributable to Vornado / Vornado Realty L.P.	(297,005)	3,147,937	449,954
Preferred share dividends / unit distributions	(51,739)	(50,131)	(50,636)
Preferred share / unit issuance costs	0	0	(14,486)
NET (LOSS) INCOME attributable to common shareholders / Class A unitholders	$ (348,744)	$ 3,097,806	$ 384,832
(LOSS) INCOME PER COMMON SHARE - BASIC:
Net (loss) income per common share - Basic (in dollars per share)	$ (1.83)	$ 16.23	$ 2.02
Weighted average shares outstanding	191,146	190,801	190,219
(LOSS) INCOME PER COMMON SHARE - DILUTED:
Net (loss) income per common share - Diluted (in dollars per share)	$ (1.83)	$ 16.21	$ 2.01
Weighted average shares outstanding	191,146	191,053	191,290
Vornado Realty L.P.
REVENUES:
Total revenues	$ 1,527,951	$ 1,924,700	$ 2,163,720
EXPENSES:
Operating	(789,066)	(917,981)	(963,478)
Depreciation and amortization	(399,695)	(419,107)	(446,570)
General and administrative	(181,509)	(169,920)	(141,871)
(Expense) benefit from deferred compensation plan liability	(6,443)	(11,609)	2,480
Impairment losses and transaction related costs, net	(174,027)	(106,538)	(31,320)
Total expenses	(1,550,740)	(1,625,155)	(1,580,759)
(Loss) income from partially owned entities	(329,112)	78,865	9,149
Loss from real estate fund investments	(226,327)	(104,082)	(89,231)
Interest and other investment (loss) income, net	(5,499)	21,819	17,057
Income (loss) from deferred compensation plan assets	6,443	11,609	(2,480)
Interest and debt expense	(229,251)	(286,623)	(347,949)
Net gain on transfer to Fifth Avenue and Times Square JV	0	2,571,099	0
Purchase price fair value adjustment	0	0	44,060
Net gains on disposition of wholly owned and partially owned assets	381,320	845,499	246,031
(Loss) income before income taxes	(425,215)	3,437,731	459,598
Income tax expense	(36,630)	(103,439)	(37,633)
(Loss) income from continuing operations	(461,845)	3,334,292	421,965
(Loss) income from discontinued operations	0	(30)	638
Net (loss) income	(461,845)	3,334,262	422,603
Less net loss (income) attributable to noncontrolling interests in:
Consolidated subsidiaries	139,894	24,547	53,023
Operating Partnership	24,946	(210,872)	(25,672)
Net (loss) income attributable to Vornado / Vornado Realty L.P.	(321,951)	3,358,809	475,626
Preferred share dividends / unit distributions	(51,904)	(50,296)	(50,830)
Preferred share / unit issuance costs	0	0	(14,486)
NET (LOSS) INCOME attributable to common shareholders / Class A unitholders	$ (373,855)	$ 3,308,513	$ 410,310
(LOSS) INCOME PER CLASS A UNIT - BASIC:
(Loss) income from continuing operations, net (in dollars per share)	$ (1.86)	$ 16.22	$ 2.01
Income (loss) from discontinued operations, net (in dollars per share)	0	0	0.01
Net (loss) income per Class A unit (in dollars per share)	$ (1.86)	$ 16.22	$ 2.02
Weighted average units outstanding	203,503	202,947	202,068
(LOSS) INCOME PER CLASS A UNIT - DILUTED:
Net (loss) income per Class A unit (in dollars per share)	$ (1.86)	$ 16.19	$ 2
Weighted average units outstanding	203,503	203,248	203,412
Rental revenues
REVENUES:
Total revenues	$ 1,377,635	$ 1,767,222	$ 2,007,333
Rental revenues | Vornado Realty L.P.
REVENUES:
Total revenues	1,377,635	1,767,222	2,007,333
Fee and other income
REVENUES:
Total revenues	150,316	157,478	156,387
Fee and other income | Vornado Realty L.P.
REVENUES:
Total revenues	$ 150,316	$ 157,478	$ 156,387

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Net (loss) income	$ (461,845)	$ 3,334,262	$ 422,603
Other comprehensive (loss) income:
Reduction in value of interest rate swaps and other	(29,971)	(47,883)	(14,635)
Other comprehensive (loss) income of nonconsolidated subsidiaries	(14,342)	(938)	1,155
Amounts reclassified from accumulated other comprehensive loss relating to nonconsolidated subsidiary	0	(2,311)	0
Comprehensive (loss) income	(506,158)	3,283,130	409,123
Less comprehensive (income) loss attributable to noncontrolling interests in consolidated subsidiaries	174,287	(183,090)	28,187
Comprehensive (loss) income attributable to Vornado / Vornado Realty L.P.	(331,871)	3,100,040	437,310
Vornado Realty L.P.
Net (loss) income	(461,845)	3,334,262	422,603
Other comprehensive (loss) income:
Reduction in value of interest rate swaps and other	(29,971)	(47,883)	(14,635)
Other comprehensive (loss) income of nonconsolidated subsidiaries	(14,342)	(938)	1,155
Amounts reclassified from accumulated other comprehensive loss relating to nonconsolidated subsidiary	0	(2,311)	0
Comprehensive (loss) income	(506,158)	3,283,130	409,123
Less comprehensive (income) loss attributable to noncontrolling interests in consolidated subsidiaries	139,894	24,547	53,023
Comprehensive (loss) income attributable to Vornado / Vornado Realty L.P.	$ (366,264)	$ 3,307,677	$ 462,146

Consolidated Statements of Chan

Consolidated Statements of Changes in Equity - 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	Non- controlling Interests in Consolidated Subsidiaries	Non- controlling Interests in Consolidated SubsidiariesReal estate fund investments	Non- controlling Interests in Consolidated SubsidiariesOther	Vornado Realty L.P.	Vornado Realty L.P.Real estate fund investments	Vornado Realty L.P.Other	Vornado Realty L.P.Preferred Shares / 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	Vornado Realty L.P.Non- controlling Interests in Consolidated Subsidiaries	Vornado Realty L.P.Non- controlling Interests in Consolidated SubsidiariesReal estate fund investments	Vornado Realty L.P.Non- controlling Interests in Consolidated SubsidiariesOther	Series G & I Preferred Stock	Series G & I Preferred StockPreferred Shares / Units	Series G & I Preferred StockEarnings Less Than Distributions	Series G & I Preferred StockVornado Realty L.P.	Series G & I Preferred StockVornado Realty L.P.Preferred Shares / Units	Series G & I Preferred StockVornado Realty L.P.Earnings Less Than Distributions	Series N	Series NPreferred Shares / Units	Series NVornado Realty L.P.	Series NVornado Realty L.P.Preferred Shares / Units	Cumulative Effect, Period of Adoption, Adjustment	Cumulative Effect, Period of Adoption, AdjustmentEarnings Less Than Distributions	Cumulative Effect, Period of Adoption, AdjustmentAccumulated Other Comprehensive Loss	Cumulative Effect, Period of Adoption, AdjustmentVornado Realty L.P.	Cumulative Effect, Period of Adoption, AdjustmentVornado Realty L.P.Earnings Less Than Distributions	Cumulative Effect, Period of Adoption, AdjustmentVornado Realty L.P.Accumulated Other Comprehensive Loss
Beginning balance, shares at Dec. 31, 2017				36,800	189,984										36,800	189,984
Beginning balance, value at Dec. 31, 2017	$ 5,007,701			$ 891,988	$ 7,577	$ 7,492,658	$ (4,183,253)	$ 128,682	$ 670,049			$ 5,007,701			$ 891,988	$ 7,500,235	$ (4,183,253)	$ 128,682	$ 670,049													$ 14,519	$ 122,893	$ (108,374)	$ 14,519	$ 122,893	$ (108,374)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to Vornado / Vornado Realty L.P.	449,954						449,954					475,626					475,626
Net income attributable to redeemable partnership units	(25,672)											(25,672)					(25,672)
Net Income (Loss) Attributable to Nonredeemable Noncontrolling Interest	(53,023)								(53,023)			(53,023)							(53,023)
Dividends on common shares	(479,348)						(479,348)
Distributions to Vornado												(479,348)					(479,348)
Dividends on preferred shares / Distributions to preferred unitholders (see Note 12 for dividends per share amounts)	(50,636)						(50,636)					(50,636)					(50,636)
Cumulative redeemable preferred shares issuance																						$ (15,149)	$ (663)	$ (14,486)	$ (15,149)	$ (663)	$ (14,486)
Common shares issued:
Upon redemption of redeemable Class A units, at redemption value, shares					244											244
Upon redemption of redeemable Class A units, at redemption value	17,068				$ 10	17,058						17,068				$ 17,068
Under Vornado's employees' share option plan, shares					279											279
Under Vornado's employees' share option plan	(6,266)				$ 12	5,907	(12,185)					(6,266)				$ 5,919	(12,185)
Under Vornado's dividend reinvestment plan, shares					20											20
Under Vornado's dividend reinvestment plan	1,390				$ 1	1,389						1,390				$ 1,390
Contributions:
Contributions:		$ 46,942	$ 15,715							$ 46,942	$ 15,715		$ 46,942	$ 15,715						$ 46,942	$ 15,715
Distributions:
Distributions		(12,665)	(33,250)							(12,665)	(33,250)		(12,665)	(33,250)						(12,665)	(33,250)
Conversion of Series A preferred shares to common shares / Conversion of Series A preferred units to Class A units, shares					2											2
Conversion of Series A preferred shares to common shares / Conversion of Series A preferred units to Class A units, value	(1)			$ (31)		30						(1)			$ (31)	$ 30
Deferred compensation shares / units and options, Shares					6											6
Deferred compensation shares / units and options, Value	1,036					1,157	(121)					1,036				$ 1,157	(121)
Amounts reclassified related to a nonconsolidated subsidiary	0											0
Other comprehensive (loss) income of nonconsolidated subsidiaries	1,155							1,155				1,155						1,155
Reduction in value of interest rate swaps	(14,634)							(14,634)				(14,634)						(14,634)
Unearned Out-Performance Plan awards acceleration	9,046					9,046						9,046				9,046
Redeemable Class A unit measurement adjustment	198,064					198,064						198,064				198,064
Redeemable noncontrolling interests' share of above adjustments	836							836				836						836
Consolidation of the Farley joint venture	8,720								8,720			8,720							8,720
Other, value	709					548	(2)	(1)	164			709				$ 548	(2)	(1)	164
Ending balance, shares at Dec. 31, 2018				36,800	190,535										36,800	190,535
Ending balance, value at Dec. 31, 2018	5,107,883			$ 891,294	$ 7,600	7,725,857	(4,167,184)	7,664	642,652			5,107,883			$ 891,294	$ 7,733,457	(4,167,184)	7,664	642,652
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to Vornado / Vornado Realty L.P.	3,147,937						3,147,937					3,358,809					3,358,809
Net income attributable to redeemable partnership units	(210,872)											(210,872)					(210,872)
Net Income (Loss) Attributable to Nonredeemable Noncontrolling Interest	(24,547)								(24,547)			(24,547)							(24,547)
Dividends on common shares	(503,785)						(503,785)
Special dividend ($1.95 per share)	(372,380)						(372,380)					(372,380)					(372,380)
Distributions to Vornado												(503,785)					(503,785)
Dividends on preferred shares / Distributions to preferred unitholders (see Note 12 for dividends per share amounts)	(50,131)						(50,131)					(50,131)					(50,131)
Common shares issued:
Upon redemption of redeemable Class A units, at redemption value, shares					171											171
Upon redemption of redeemable Class A units, at redemption value	11,250				$ 7	11,243						11,250				$ 11,250
Under Vornado's employees' share option plan, shares					245											245
Under Vornado's employees' share option plan	(3,098)				$ 10	5,479	(8,587)					(3,098)				$ 5,489	(8,587)
Under Vornado's dividend reinvestment plan, shares					22											22
Under Vornado's dividend reinvestment plan	1,414				$ 1	1,413						1,414				$ 1,414
Contributions:
Contributions:		9,023	8,848							9,023	8,848		9,023	8,848						9,023	8,848
Distributions:
Distributions	(45,587)								(45,587)			(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										(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						0			$ (80)	$ 80
Deferred compensation shares / units and options, Shares					7											7
Deferred compensation shares / units and options, Value	990					1,095	(105)					990				$ 1,095	(105)
Amounts reclassified related to a nonconsolidated subsidiary	(2,311)							(2,311)				(2,311)						(2,311)
Other comprehensive (loss) income of nonconsolidated subsidiaries	(938)							(938)				(938)						(938)
Reduction in value of interest rate swaps	(47,885)							(47,885)				(47,885)						(47,885)
Unearned Out-Performance Plan awards acceleration	11,720					11,720						11,720				11,720
Redeemable Class A unit measurement adjustment	70,810					70,810						70,810				$ 70,810
Redeemable noncontrolling interests' share of above adjustments	3,235							3,235				3,235						3,235
Deconsolidation of partially owned entity	(11,441)								(11,441)			(11,441)							(11,441)
Other, shares				(2)											(2)
Other, value	(29)						(31)	2				(29)					(31)	2
Ending balance, shares at Dec. 31, 2019				36,796	190,986										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			7,310,978			$ 891,214	$ 7,835,315	(1,954,266)	(40,233)	578,948													$ (16,064)	$ (16,064)		$ (16,064)	$ (16,064)
Distributions:
Accounting Standards Update [Extensible List]	us-gaap:AccountingStandardsUpdate201613Member
Net income attributable to Vornado / Vornado Realty L.P.	$ (297,005)						(297,005)					(321,951)					(321,951)
Net income attributable to redeemable partnership units	24,946											24,946					24,946
Net Income (Loss) Attributable to Nonredeemable Noncontrolling Interest	(140,438)								(140,438)			(140,438)							(140,438)
Dividends on common shares	(454,939)						(454,939)
Distributions to Vornado												(454,939)					(454,939)
Dividends on preferred shares / Distributions to preferred unitholders (see Note 12 for dividends per share amounts)	(51,739)						(51,739)					(51,739)					(51,739)
Cumulative redeemable preferred units issuance, shares																													12,000		12,000
Cumulative redeemable preferred shares issuance																												$ 291,182	$ 291,182	$ 291,182	$ 291,182
Upon redemption of redeemable Class A units, at redemption value, shares					236											236
Upon redemption of redeemable Class A units, at redemption value	9,266				$ 9	9,257						9,266				$ 9,266
Under Vornado's employees' share option plan, shares					69											69
Under Vornado's employees' share option plan	3,517				$ 3	3,514						3,517				$ 3,517
Under Vornado's dividend reinvestment plan, shares					47											47
Under Vornado's dividend reinvestment plan	2,345				$ 2	2,343						2,345				$ 2,345
Contributions:		$ 3,389	$ 4,305							$ 3,389	$ 4,305		$ 3,389	$ 4,305						$ 3,389	$ 4,305
Distributions	(33,007)								(33,007)			(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										(3)	4
Conversion of Series A preferred shares to common shares / Conversion of Series A preferred units to Class A units, value	0			$ (57)	$ 0	57						0			$ (57)	$ 57
Deferred compensation shares / units and options, Shares					13											13
Deferred compensation shares / units and options, Value	1,169				$ 1	1,305	(137)					1,169				$ 1,306	(137)
Amounts reclassified related to a nonconsolidated subsidiary	0											0
Other comprehensive (loss) income of nonconsolidated subsidiaries	(14,342)							(14,342)				(14,342)						(14,342)
Reduction in value of interest rate swaps	(29,972)							(29,972)				(29,972)						(29,972)
Unearned Out-Performance Plan awards acceleration	10,824					10,824						10,824				10,824
Redeemable Class A unit measurement adjustment	344,043					344,043						344,043				344,043
Redeemable noncontrolling interests' share of above adjustments	2,914							2,914				2,914						2,914
Other, value	1,729					(6,533)	(32)	6,534	1,760			1,729				$ (6,533)	(32)	6,534	1,760
Ending balance, shares at Dec. 31, 2020				48,793	191,355										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			$ 6,948,155			$ 1,182,339	$ 8,200,140	$ (2,774,182)	$ (75,099)	$ 414,957

Consolidated Statements of Ch_2

Consolidated Statements of Changes in Equity - Parenthetical - $ / shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Special dividend (in dollars per share)		$ 1.95
Common shares/units, dividends (in dollars per share)	$ 2.38	2.64	$ 2.52
Vornado Realty L.P.
Special dividend (in dollars per share)		1.95
Common shares/units, dividends (in dollars per share)	$ 2.38	$ 2.64	$ 2.52

Consolidated Statements of Cash

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Cash Flows from Operating Activities:
Net (loss) income	$ (461,845)	$ 3,334,262	$ 422,603
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization (including amortization of deferred financing costs)	417,942	438,933	472,785
Net gains on disposition of wholly owned and partially owned assets	(381,320)	(845,499)	(246,031)
Equity in net loss (income) of partially owned entities	329,112	(78,865)	(9,149)
Real estate impairment losses and related write-offs	236,286	26,705	12,000
Net unrealized loss on real estate fund investments	226,107	106,109	84,706
Distributions of income from partially owned entities	175,246	116,826	78,831
Non-cash (gain on extinguishment of 608 Fifth Avenue lease liability) impairment loss on 608 Fifth Avenue right-of-use asset	(70,260)	75,220	0
Write-off of lease receivables deemed uncollectible	63,204	17,237	0
Stock-based compensation expense	48,677	53,908	31,722
Straight-lining of rents	24,404	9,679	(7,605)
Amortization of below-market leases, net	(16,878)	(19,830)	(38,573)
Credit losses on loans receivable	13,369	0	0
Decrease in fair value of marketable securities	4,938	5,533	26,453
Net gain on transfer to Fifth Avenue and Times Square JV	0	(2,571,099)	0
Prepayment penalty on redemption of senior unsecured notes due 2022	0	22,058	0
Purchase price fair value adjustment	0	0	(44,060)
Return of capital from real estate fund investments	0	0	20,290
Change in valuation of deferred tax assets and liabilities	0	0	12,835
Other non-cash adjustments	6,739	(3,472)	7,499
Changes in operating assets and liabilities:
Real estate fund investments	(7,197)	(10,000)	(68,950)
Tenant and other receivables, net	(5,330)	(25,988)	(14,532)
Prepaid assets	(137,452)	7,558	151,533
Other assets	(52,832)	(4,302)	(84,222)
Accounts payable and accrued expenses	14,868	5,940	5,869
Other liabilities	(3,538)	1,626	(11,363)
Net cash provided by operating activities	424,240	662,539	802,641
Cash Flows from Investing Activities:
Proceeds from sale of condominium units at 220 Central Park South	1,044,260	1,605,356	214,776
Development costs and construction in progress	(601,920)	(649,056)	(418,186)
Moynihan Train Hall expenditures	(395,051)	(438,935)	(74,609)
Additions to real estate	(155,738)	(233,666)	(234,602)
Proceeds from sales of marketable securities	28,375	168,314	4,101
Investments in partially owned entities	(8,959)	(18,257)	(37,131)
Distributions of capital from partially owned entities	2,389	24,880	100,178
Acquisitions of real estate and other	(1,156)	(69,699)	(574,812)
Proceeds from transfer of interest in Fifth Avenue and Times Square JV (net of $35,562 of transaction costs and $10,899 of deconsolidated cash and restricted cash)	0	1,248,743	0
Proceeds from redemption of 640 Fifth Avenue preferred equity	0	500,000	0
Proceeds from sale of real estate and related investments	0	324,201	219,731
Proceeds from repayments of loans receivable	0	1,395	25,757
Investments in loans receivable	0	0	(105,000)
Net consolidation of Farley Office and Retail Building	0	0	2,075
Net cash (used in) provided by investing activities	(87,800)	2,463,276	(877,722)
Cash Flows from Financing Activities:
Repayments of borrowings	(1,067,564)	(2,718,987)	(685,265)
Proceeds from borrowings	1,056,315	1,108,156	526,766
Dividends paid on common shares / Distributions to Vornado	(827,319)	(503,785)	(479,348)
Moynihan Train Hall reimbursement from Empire State Development	395,051	438,935	74,609
Proceeds from issuance of preferred shares	291,182	0	0
Contributions from noncontrolling interests / noncontrolling interests in consolidated subsidiaries	100,094	17,871	61,062
Distribution to noncontrolling interests / redeemable security holders and noncontrolling interests in consolidated subsidiaries	(91,514)	(80,194)	(76,149)
Dividends paid on preferred shares/ Distributions to preferred unitholders	(64,271)	(50,131)	(55,115)
Debt issuance costs	(10,901)	(15,588)	(12,908)
Proceeds received from exercise of employee share options (Vornado stock options) and other	5,862	6,903	7,309
Repurchase of shares (Class A units) related to stock compensation agreements and related tax withholdings and other	(137)	(8,692)	(12,969)
Purchase of marketable securities in connection with defeasance of mortgage payable	0	(407,126)	0
Prepayment penalty on redemption of senior unsecured notes due 2022	0	(22,058)	0
Redemption of preferred shares / units	0	(893)	(470,000)
Debt prepayment and extinguishment costs	0	0	(818)
Net cash used in financing activities	(213,202)	(2,235,589)	(1,122,826)
Net increase (decrease) in cash and cash equivalents and restricted cash	123,238	890,226	(1,197,907)
Cash and cash equivalents and restricted cash at beginning of period	1,607,131	716,905	1,914,812
Cash and cash equivalents and restricted cash at end of period	1,730,369	1,607,131	716,905
Reconciliation of Cash and Cash Equivalents and Restricted Cash:
Cash and cash equivalents at beginning of period	1,515,012	570,916	1,817,655
Restricted cash at beginning of period	92,119	145,989	97,157
Cash and cash equivalents and restricted cash at beginning of period	1,607,131	716,905	1,914,812
Cash and cash equivalents at end of period	1,624,482	1,515,012	570,916
Restricted cash at end of period	105,887	92,119	145,989
Cash and cash equivalents and restricted cash at end of period	1,730,369	1,607,131	716,905
Supplemental Disclosure of Cash Flow Information:
Cash payments for interest, excluding capitalized interest of $40,855, $67,980 and $67,402	210,052	283,613	311,835
Cash payments for income taxes	15,105	59,834	62,225
Non-Cash Investing and Financing Activities:
Reclassification of condominium units from "development costs and construction in progress" to "220 Central Park South condominium units ready for sale"	388,280	1,311,468	233,179
Redeemable Class A unit measurement adjustment	344,043	70,810	198,064
Write-off of fully depreciated assets	(189,250)	(122,813)	(86,064)
Accrued capital expenditures included in accounts payable and accrued expenses	117,641	109,975	88,115
Investments received in exchange for transfer to Fifth Avenue and Times Square JV:
Preferred equity	0	2,327,750	0
Common equity	0	1,449,495	0
Lease liabilities arising from the recognition of right-of-use assets	0	526,866	0
Marketable securities transferred in connection with the defeasance of mortgage payable	0	(407,126)	0
Special dividend/distribution declared and payable on January 15, 2020	0	398,292	0
Defeasance of mortgage payable	0	390,000	0
Recognition of negative basis related to the sale of our investment in 330 Madison Avenue	0	60,052	0
Amounts related to our investment in Pennsylvania Real Estate Investment Trust reclassified from "investments in partially owned entities" and "accumulated other comprehensive loss" to "marketable securities" upon conversion of operating partnership units to common shares	0	54,962	0
Vornado Realty L.P.
Cash Flows from Operating Activities:
Net (loss) income	(461,845)	3,334,262	422,603
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization (including amortization of deferred financing costs)	417,942	438,933	472,785
Net gains on disposition of wholly owned and partially owned assets	(381,320)	(845,499)	(246,031)
Equity in net loss (income) of partially owned entities	329,112	(78,865)	(9,149)
Real estate impairment losses and related write-offs	236,286	26,705	12,000
Net unrealized loss on real estate fund investments	226,107	106,109	84,706
Distributions of income from partially owned entities	175,246	116,826	78,831
Non-cash (gain on extinguishment of 608 Fifth Avenue lease liability) impairment loss on 608 Fifth Avenue right-of-use asset	(70,260)	75,220	0
Write-off of lease receivables deemed uncollectible	63,204	17,237	0
Stock-based compensation expense	48,677	53,908	31,722
Straight-lining of rents	24,404	9,679	(7,605)
Amortization of below-market leases, net	(16,878)	(19,830)	(38,573)
Credit losses on loans receivable	13,369	0	0
Decrease in fair value of marketable securities	4,938	5,533	26,453
Net gain on transfer to Fifth Avenue and Times Square JV	0	(2,571,099)	0
Prepayment penalty on redemption of senior unsecured notes due 2022	0	22,058	0
Purchase price fair value adjustment	0	0	(44,060)
Return of capital from real estate fund investments	0	0	20,290
Change in valuation of deferred tax assets and liabilities	0	0	12,835
Other non-cash adjustments	6,739	(3,472)	7,499
Changes in operating assets and liabilities:
Real estate fund investments	(7,197)	(10,000)	(68,950)
Tenant and other receivables, net	(5,330)	(25,988)	(14,532)
Prepaid assets	(137,452)	7,558	151,533
Other assets	(52,832)	(4,302)	(84,222)
Accounts payable and accrued expenses	14,868	5,940	5,869
Other liabilities	(3,538)	1,626	(11,363)
Net cash provided by operating activities	424,240	662,539	802,641
Cash Flows from Investing Activities:
Proceeds from sale of condominium units at 220 Central Park South	1,044,260	1,605,356	214,776
Development costs and construction in progress	(601,920)	(649,056)	(418,186)
Moynihan Train Hall expenditures	(395,051)	(438,935)	(74,609)
Additions to real estate	(155,738)	(233,666)	(234,602)
Proceeds from sales of marketable securities	28,375	168,314	4,101
Investments in partially owned entities	(8,959)	(18,257)	(37,131)
Distributions of capital from partially owned entities	2,389	24,880	100,178
Acquisitions of real estate and other	(1,156)	(69,699)	(574,812)
Proceeds from transfer of interest in Fifth Avenue and Times Square JV (net of $35,562 of transaction costs and $10,899 of deconsolidated cash and restricted cash)	0	1,248,743	0
Proceeds from redemption of 640 Fifth Avenue preferred equity	0	500,000	0
Proceeds from sale of real estate and related investments	0	324,201	219,731
Proceeds from repayments of loans receivable	0	1,395	25,757
Investments in loans receivable	0	0	(105,000)
Net consolidation of Farley Office and Retail Building	0	0	2,075
Net cash (used in) provided by investing activities	(87,800)	2,463,276	(877,722)
Cash Flows from Financing Activities:
Repayments of borrowings	(1,067,564)	(2,718,987)	(685,265)
Proceeds from borrowings	1,056,315	1,108,156	526,766
Dividends paid on common shares / Distributions to Vornado	(827,319)	(503,785)	(479,348)
Moynihan Train Hall reimbursement from Empire State Development	395,051	438,935	74,609
Proceeds from issuance of preferred shares	291,182	0	0
Contributions from noncontrolling interests / noncontrolling interests in consolidated subsidiaries	100,094	17,871	61,062
Distribution to noncontrolling interests / redeemable security holders and noncontrolling interests in consolidated subsidiaries	(91,514)	(80,194)	(76,149)
Dividends paid on preferred shares/ Distributions to preferred unitholders	(64,271)	(50,131)	(55,115)
Debt issuance costs	(10,901)	(15,588)	(12,908)
Proceeds received from exercise of employee share options (Vornado stock options) and other	5,862	6,903	7,309
Repurchase of shares (Class A units) related to stock compensation agreements and related tax withholdings and other	(137)	(8,692)	(12,969)
Purchase of marketable securities in connection with defeasance of mortgage payable	0	(407,126)	0
Prepayment penalty on redemption of senior unsecured notes due 2022	0	(22,058)	0
Redemption of preferred shares / units	0	(893)	(470,000)
Debt prepayment and extinguishment costs	0	0	(818)
Net cash used in financing activities	(213,202)	(2,235,589)	(1,122,826)
Net increase (decrease) in cash and cash equivalents and restricted cash	123,238	890,226	(1,197,907)
Cash and cash equivalents and restricted cash at beginning of period	1,607,131	716,905	1,914,812
Cash and cash equivalents and restricted cash at end of period	1,730,369	1,607,131	716,905
Reconciliation of Cash and Cash Equivalents and Restricted Cash:
Cash and cash equivalents at beginning of period	1,515,012	570,916	1,817,655
Cash and cash equivalents and restricted cash at beginning of period	1,607,131	716,905	1,914,812
Cash and cash equivalents at end of period	1,624,482	1,515,012	570,916
Cash and cash equivalents and restricted cash at end of period	1,730,369	1,607,131	716,905
Supplemental Disclosure of Cash Flow Information:
Cash payments for interest, excluding capitalized interest of $40,855, $67,980 and $67,402	210,052	283,613	311,835
Cash payments for income taxes	15,105	59,834	62,225
Non-Cash Investing and Financing Activities:
Reclassification of condominium units from "development costs and construction in progress" to "220 Central Park South condominium units ready for sale"	388,280	1,311,468	233,179
Redeemable Class A unit measurement adjustment	344,043	70,810	198,064
Write-off of fully depreciated assets	(189,250)	(122,813)	(86,064)
Accrued capital expenditures included in accounts payable and accrued expenses	117,641	109,975	88,115
Investments received in exchange for transfer to Fifth Avenue and Times Square JV:
Preferred equity	0	2,327,750	0
Common equity	0	1,449,495	0
Lease liabilities arising from the recognition of right-of-use assets	0	526,866	0
Marketable securities transferred in connection with the defeasance of mortgage payable	0	(407,126)	0
Special dividend/distribution declared and payable on January 15, 2020	0	398,292	0
Defeasance of mortgage payable	0	390,000	0
Recognition of negative basis related to the sale of our investment in 330 Madison Avenue	0	60,052	0
Amounts related to our investment in Pennsylvania Real Estate Investment Trust reclassified from "investments in partially owned entities" and "accumulated other comprehensive loss" to "marketable securities" upon conversion of operating partnership units to common shares	0	54,962	0
Farley Post Office Joint Venture
Increase (decrease) in assets and liabilities resulting from the consolidation or deconsolidation of Moynihan Train Hall and Farley Office and Retail Building:
Real estate, net, consolidated	0	0	401,708
Mortgage payable, net, consolidated	0	0	249,459
Farley Post Office Joint Venture | Vornado Realty L.P.
Increase (decrease) in assets and liabilities resulting from the consolidation or deconsolidation of Moynihan Train Hall and Farley Office and Retail Building:
Real estate, net, consolidated	0	0	401,708
Mortgage payable, net, consolidated	0	0	249,459
Moynihan Train Hall
Increase (decrease) in assets and liabilities resulting from the consolidation or deconsolidation of Moynihan Train Hall and Farley Office and Retail Building:
Real estate, net, deconsolidation	(1,291,804)	0	0
Financing obligation, deconsolidation	(1,291,804)	0	0
Real estate, net, consolidated	0	0	346,926
Financing obligation, consolidated	0	0	346,926
Moynihan Train Hall | Vornado Realty L.P.
Increase (decrease) in assets and liabilities resulting from the consolidation or deconsolidation of Moynihan Train Hall and Farley Office and Retail Building:
Real estate, net, deconsolidation	(1,291,804)	0	0
Financing obligation, deconsolidation	(1,291,804)	0	0
Real estate, net, consolidated	0	0	346,926
Financing obligation, consolidated	$ 0	$ 0	$ 346,926

Consolidated Statements of Ca_2

Consolidated Statements of Cash Flows (Parentheticals) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Transaction related costs	$ 8,001	$ 4,613	$ 6,217
Capitalized interest	40,855	67,980	67,402
Vornado Realty L.P.
Capitalized interest	$ 40,855	67,980	$ 67,402
Fifth Avenue and Times Square JV
Transaction related costs		35,562
Deconsolidated restricted cash		10,899
Fifth Avenue and Times Square JV | Vornado Realty L.P.
Transaction related costs		35,562
Deconsolidated restricted cash		$ 10,899

Organization and Business

Organization and Business	12 Months Ended
	Dec. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization and Business	Organization and Business Vornado Realty Trust (“Vornado”) is a fully‑integrated real estate investment trust (“REIT”) and conducts its business through, and substantially all of its interests in properties are held by, Vornado Realty L.P., a Delaware limited partnership (the “Operating Partnership”). Accordingly, Vornado’s cash flow and ability to pay dividends to its shareholders are dependent upon the cash flow of the Operating Partnership and the ability of its direct and indirect subsidiaries to first satisfy their obligations to creditors. Vornado is the sole general partner of, and owned approximately 92.8% of the common limited partnership interest in the Operating Partnership as of December 31, 2020. All references to the “Company,” “we,” “us” and “our” mean, collectively, Vornado, the Operating Partnership and those subsidiaries consolidated by Vornado. We currently own all or portions of: New York: • 20.6 million square feet of Manhattan office space in 33 properties; • 2.7 million square feet of Manhattan street retail space in 65 properties; • 1,989 units in 10 Manhattan residential properties; • The 1,700 room Hotel Pennsylvania located on Seventh Avenue at 33rd Street in the heart of the Penn District (closed since April 1, 2020 as a result of the COVID-19 pandemic); • A 32.4% interest in Alexander’s, Inc. (“Alexander’s”) (NYSE: ALX), which owns seven properties in the greater New York metropolitan area, including 731 Lexington Avenue, the 1.3 million square foot Bloomberg, L.P. headquarters building; • Signage throughout the Penn District and Times Square; and • Building Maintenance Services LLC ("BMS"), a wholly owned subsidiary, which provides cleaning and security services for our buildings and third parties. Other Real Estate and Investments: • The 3.7 million square foot theMART in Chicago; • A 70% controlling interest in 555 California Street, a three-building office complex in San Francisco’s financial district aggregating 1.8 million square feet; • A 25.0% interest in Vornado Capital Partners, our real estate fund. We are the general partner and investment manager of the fun. The fund is in wind-down; and

COVID-19 Pandemic

COVID-19 Pandemic	12 Months Ended
	Dec. 31, 2020
Unusual or Infrequent Items, or Both [Abstract]
COVID-19 Pandemic	COVID-19 Pandemic Our business has been adversely affected as a result of the COVID-19 pandemic and the preventive measures taken to curb the spread of the virus. Some of the effects on us include the following: • With the exception of grocery stores and other "essential" businesses, many of our retail tenants closed their stores in March 2020 and began reopening when New York City entered phase two of its reopening plan on June 22, 2020, however, there continue to be limitations on occupancy and other restrictions that affect their ability to resume full operations. • While our buildings remain open, many of our office tenants are working remotely. • We have closed the Hotel Pennsylvania. In connection with the closure, we accrued $9,246,000 of severance for furloughed Hotel Pennsylvania union employees and recognized a corresponding $3,145,000 income tax benefit for the year ended December 31, 2020. • We cancelled trade shows at theMART from late March through the remainder of 2020 and expect to resume in 2021. • Because certain of our development projects were deemed "non-essential," they were temporarily paused in March 2020 due to New York State executive orders and resumed once New York City entered phase one of its state mandated reopening plan on June 8, 2020. • As of April 30, 2020, we placed 1,803 employees on furlough, which included 1,293 employees of BMS, 414 employees at the Hotel Pennsylvania and 96 corporate staff employees. As of February 10, 2021, 50% of furloughed employees have returned to work. The remaining employees still on furlough are from BMS and the Hotel Pennsylvania. • Effective April 1, 2020, our executive officers waived portions of their annual base salary for the remainder of 2020. • Effective April 1, 2020, each non-management member of our Board of Trustees agreed to forgo their $75,000 annual cash retainer for the remainder of 2020. While we believe our tenants are required to pay rent under their leases and we have commenced legal proceedings against certain tenants that have failed to pay rent under their leases, in limited circumstances, we have agreed to and may continue to agree to rent deferrals and rent abatements for certain of our tenants. We have made a policy election in accordance with the Financial Accounting Standards Board (“FASB”) Staff Q&A which provides relief in accounting for leases during the COVID-19 pandemic, allowing us to continue recognizing rental revenue on a straight-line basis for rent deferrals, with no impact to revenue recognition, and to recognize rent abatements as a reduction to rental revenue in the period granted. See Note 3 - Basis of Presentation and Significant Accounting Policies for additional information. 2. COVID-19 Pandemic - continued Based on our assessment of the probability of rent collection of our lease receivables, we have written off $51,571,000 of receivables arising from the straight-lining of rents for the year ended December 31, 2020, including the JCPenney retail lease at Manhattan Mall and the New York & Company, Inc. office lease at 330 West 34th Street. Both tenants have filed for Chapter 11 bankruptcy and rejected their leases during 2020. In addition, we have written off $22,546,000 of tenant receivables deemed uncollectible for the year ended December 31, 2020. These write-offs resulted in a reduction of lease revenues and our share of income from partially owned entities. Prospectively, revenue recognition for lease receivables deemed uncollectible will be based on actual amounts received. See Note 4 - Revenue Recognition and Note 7 - Investments in Partially Owned Entities for additional information.

Basis of Presentation and Signi

Basis of Presentation and Significant Accounting Policies	12 Months Ended
	Dec. 31, 2020
Accounting Policies [Abstract]
Basis Of Presentation And Significant Accounting Policies	Basis of Presentation and Significant Accounting Policies Basis of Presentation The accompanying consolidated financial statements include the accounts of Vornado and the Operating Partnership and their consolidated subsidiaries. All inter-company amounts have been eliminated. Our consolidated financial statements are prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”), which require us to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting periods. Actual results could differ from those estimates. In addition, certain prior year balances have been reclassified in order to conform to the current period presentation. Recently Issued Accounting Literature In June 2016, the FASB issued an update ("ASU 2016-13") Measurement of Credit Losses on Financial Instruments establishing Accounting Standards Codification ("ASC") Topic 326, Financial Instruments - Credit Losses ("ASC 326"), as amended by subsequent ASUs on the topic. ASU 2016-13 changes how entities account for credit losses for most financial assets and certain other instruments that are not measured at fair value through net income. The guidance replaces the current “incurred loss” model with an “expected loss” model that requires consideration of a broader range of information to estimate expected credit losses over the lifetime of the financial asset. ASU 2016-13 is effective for interim and annual reporting periods in fiscal years beginning after December 15, 2019. In May 2019, the FASB issued ASU 2019-05 Financial Instruments - Credit Losses (Topic 326): Targeted Transition Relief to allow companies to irrevocably elect, upon adoption of ASU 2016-13, the fair value option for financial instruments that were previously recorded at amortized cost and are within the scope of ASC Subtopic 326-20 if the instruments are eligible for the fair value option under ASC Subtopic 825-10, Financial Instruments ("ASC 825-10"). We elected to apply the fair value option on an instrument-by-instrument basis to our loans receivable. We adopted this standard effective January 1, 2020 and recorded a $16,064,000 cumulative-effect adjustment to beginning accumulated deficit to recognize credit losses on loans receivable recorded on our consolidated balance sheets. For the year ended December 31, 2020, we recorded $13,369,000 of credit losses on our loans receivable which are included in "interest and other investment (loss) income, net" on our consolidated statements of income. In March 2020, the FASB issued an update ("ASU 2020-04") establishing ASC Topic 848, Reference Rate Reform . ASU 2020-04 contains practical expedients for reference rate reform related activities that impact debt, leases, derivatives and other contracts. The guidance in ASU 2020-04 is optional and may be elected over time as reference rate reform activities occur. During the year ended December 31, 2020, we elected to apply the hedge accounting expedients related to probability and the assessments of effectiveness for future LIBOR-indexed cash flows to assume that the index upon which future hedged transactions will be based matches the index on the corresponding derivatives. Application of these expedients preserves the presentation of derivatives consistent with past presentation. We continue to evaluate the impact of the guidance and may apply other elections as applicable as additional changes in the market occur. In April 2020, the FASB issued a Staff Q&A on accounting for leases during the COVID-19 pandemic, focused on the application of lease guidance in ASC Topic 842, Leases ("ASC 842"). The Staff Q&A states that it would be acceptable to make a policy election regarding rent concessions resulting from COVID-19, which would not require entities to account for these rent concessions as lease modifications when total cash flows resulting from the modified contract are “substantially the same or less” than the cash flows in the original contract. During the year ended December 31, 2020, in limited circumstances, we granted rent deferrals and rent abatements for certain of our tenants. We have made a policy election in accordance with the Staff Q&A for our portfolio allowing us to not account for the concessions as lease modifications. Accordingly, rent abatements are recognized as reductions to “rental revenues” during the period in which they were granted. Rent deferrals result in an increase to "tenant and other receivables" during the deferral period with no impact on rental revenue recognition. For any concessions that do not meet the guidance contained in the Q&A, the modification guidance in accordance with ASC 842 will be applied. See Note 2 - COVID-19 Pandemic for further details. 3. Basis of Presentation and Significant Accounting Policies - continued Recently Issued Accounting Literature - continued In August 2020, the FASB issued an update ("ASU 2020-06") Debt - Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging - Contracts in Entity’s Own Equity (Subtopic 815-40). ASU 2020-06 simplifies the accounting for convertible instruments by reducing the number of accounting models for convertible debt instruments and convertible preferred stock, removes certain settlement conditions that are required for equity contracts to qualify for the derivative scope exception and also simplifies the diluted earnings per share calculation in certain areas. ASU 2020-06 is effective for reporting periods beginning after December 15, 2021, with early adoption permitted. We are currently evaluating the impact of the adoption of ASU 2020-06 on our consolidated financial statements, but do not believe the adoption of this standard will have a material impact on our consolidated financial statements. Significant Accounting Policies Real Estate: Real estate is carried at cost, net of accumulated depreciation and amortization. Betterments, major renewals and certain costs directly related to the improvement and leasing of real estate are capitalized. Maintenance and repairs are expensed as incurred. For redevelopment of existing operating properties, the net book value of the existing property under redevelopment plus the cost for the construction and improvements incurred in connection with the redevelopment, including interest and debt expense, are capitalized to the extent the capitalized costs of the property do not exceed the estimated fair value of the redeveloped property when complete. If the cost of the redeveloped property, including the net book value of the existing property, exceeds the estimated fair value of the redeveloped property, the excess is charged to expense. Depreciation is recognized on a straight-line basis over the estimated useful lives which range from 7 to 40 years. Tenant allowances are amortized on a straight-line basis over the lives of the related leases, which approximate the useful lives of the assets. Upon the acquisition of real estate, we assess the fair value of acquired assets (including land, buildings and improvements, identified intangibles, such as acquired above and below-market leases, acquired in-place leases and tenant relationships) and acquired liabilities and we allocate the purchase price based on these assessments which are on a relative fair value basis. We assess fair value based on estimated cash flow projections that utilize appropriate discount and capitalization rates and available market information. Estimates of future cash flows are based on a number of factors including historical operating results, known trends, and market/economic conditions. We amortize identified intangibles that have finite lives over the period they are expected to contribute directly or indirectly to the future cash flows of the property or business acquired. Our properties, including any related right-of-use ("ROU") assets and intangible assets, are individually reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount may not be recoverable. An impairment exists when the carrying amount of an asset exceeds the aggregate projected future cash flows over the anticipated holding period on an undiscounted basis. An impairment loss is measured based on the excess of the property’s carrying amount over its estimated fair value. Impairment analyses are based on our current plans, intended holding periods and available market information at the time the analyses are prepared. If our estimates of the future cash flows, anticipated holding periods, or market conditions change, our evaluation of impairment losses may be different and such differences could be material to our consolidated financial statements. Estimates of future cash flows are subjective and are based, in part, on assumptions regarding future occupancy, rental rates, capital requirements, capitalization rates and discount rates that could differ materially from actual results. 3. Basis of Presentation and Significant Accounting Policies - continued Significant Accounting Policies - continued Partially Owned Entities: We consolidate entities in which we have a controlling financial interest. In determining whether we have a controlling financial interest in a partially owned entity and the requirement to consolidate the accounts of that entity, we consider (i) whether the entity is a variable interest entity (“VIE”) in which we are the primary beneficiary or (ii) whether the entity is a voting interest entity in which we have a majority of the voting interests of the entity. We are deemed to be the primary beneficiary of a VIE when we have (i) the power to direct the activities of the VIE that most significantly impact the VIE’s economic performance and (ii) the obligation to absorb losses or receive benefits that could potentially be significant to the VIE. We generally do not control a partially owned entity if the approval of all of the partners/members is contractually required with respect to decisions that most significantly impact the performance of the partially owned entity. This includes decisions regarding operating/capital budgets, and the placement of new or additional financing secured by the assets of the venture, among others. We account for investments under the equity method when the requirements for consolidation are not met, and we have significant influence over the operations of the investee. Equity method investments are initially recorded at cost and subsequently adjusted for our share of net income or loss and cash contributions and distributions each period. Investments that do not qualify for consolidation or equity method accounting are accounted for under the cost method. Investments in unconsolidated partially owned entities are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount may not be recoverable. An impairment loss is recorded when there is a decline in the fair value below the carrying value and we conclude such decline is other-than-temporary. An impairment loss is measured based on the excess of the carrying amount of an investment over its estimated fair value. Impairment analyses are based on current plans, intended holding periods, ability to hold, and available information at the time the analyses are prepared. 220 Central Park South Condominium Units Ready For Sale: We are completing construction of a residential condominium tower at 220 Central Park South ("220 CPS"). Condominium units are reclassed from "development costs and construction in progress" to "220 Central Park South condominium units ready for sale" upon receipt of the unit's temporary certificate of occupancy. These units are substantially complete and ready for sale. Each unit is carried at the lower of its carrying amount or fair value less costs to sell. We have used the relative sales value method to allocate costs to individual condominium units. GAAP income is recognized when legal title transfers upon closing of the condominium unit sales and is included in "net gains on disposition of wholly owned and partially owned assets" on our consolidated statements of income. As of December 31, 2020 and 2019, none of the 220 CPS condominium units ready for sale had a carrying value that exceeded fair value. Cash and Cash Equivalents: Cash and cash equivalents consist of highly liquid investments with original maturities of three months or less and are carried at cost, which approximates fair value due to their short-term maturities. The majority of our cash and cash equivalents consists of (i) deposits at major commercial banks, which may at times exceed the Federal Deposit Insurance Corporation limit, (ii) United States Treasury Bills, and (iii) Certificate of Deposits placed through an Account Registry Service. Restricted Cash: Restricted cash consists of security deposits, cash restricted for the purposes of facilitating a Section 1031 Like-Kind exchange, cash restricted in connection with our deferred compensation plan and cash escrowed under loan agreements, including for debt service, real estate taxes, property insurance and capital improvements. Deferred Charges: Direct financing costs are deferred and amortized over the terms of the related agreements as a component of interest expense. Direct and incremental costs related to successful leasing activities are capitalized and amortized on a straight-line basis over the lives of the related leases. All other deferred charges are amortized on a straight-line basis, which approximates the effective interest rate method, in accordance with the terms of the agreements to which they relate. 3. Basis of Presentation and Significant Accounting Policies - continued Significant Accounting Policies - continued Revenue Recognition: • Rental revenues include revenues from the leasing of space at our properties to tenants, lease termination income, revenues from the Hotel Pennsylvania, trade shows and tenant services. ◦ Revenues from the leasing of space at our properties to tenants includes (i) lease components, including fixed and variable lease payments, and nonlease components which include reimbursement of common area maintenance expenses, and (ii) reimbursement of real estate taxes and insurance expenses. As lessor, we have elected to combine the lease and nonlease components of our operating lease agreements and account for the components as a single lease component in accordance with ASC 842. ◦ Revenues derived from fixed lease payments are recognized on a straight-line basis over the non-cancelable period of the lease, together with renewal options that are reasonably certain of being exercised. We commence rental revenue recognition when the underlying asset is available for use by the lessee. ◦ Revenue derived from the reimbursement of real estate taxes, insurance expenses and common area maintenance expenses are generally recognized in the same period as the related expenses are incurred. ◦ As discussed on page 84, in 2020, we have made a policy election in accordance with the Staff Q&A for our portfolio allowing us to not account for the concessions as lease modifications. Accordingly, rent abatements are recognized as reductions to “rental revenues” during the period in which they were granted. Rent deferrals result in an increase to "tenant and other receivables" during the deferral period with no impact on rental revenue recognition. For any concessions that do not meet the guidance contained in the Q&A, the modification guidance in accordance with ASC 842 will be applied. ◦ Lease termination income is recognized immediately if a tenant vacates or is recognized on a straight-line basis over the shortened remaining lease term in accordance with ASC 842. ◦ Hotel revenue arising from the operation of Hotel Pennsylvania consists of room revenue, food and beverage revenue, and banquet revenue. Room revenue is recognized when the rooms are made available for the guest, in accordance with ASC 842. ◦ Trade shows revenue arising from the operation of trade shows is primarily booth rentals. This revenue is recognized upon the occurrence of the trade shows when the trade show booths are made available for use by the exhibitors, in accordance with ASC 842. ◦ Tenant services revenue arises from sub-metered electric, elevator, trash removal and other services provided to tenants at their request. This revenue is recognized as the services are transferred in accordance with ASC Topic 606, Revenue from Contracts with Customers ("ASC 606"). • Fee and other income includes management, leasing and other revenue arising from contractual agreements with third parties or with partially owned entities and includes BMS cleaning, engineering and security services. This revenue is recognized as the services are transferred in accordance with ASC 606. We evaluate on an individual lease basis whether it is probable that we will collect substantially all amounts due from our tenants. We recognize changes in the collectability assessment of our operating leases as adjustments to rental revenue. Management exercises judgment in assessing collectability and considers payment history, current credit status and publicly available information about the financial condition of the tenant, including the impact of COVID-19 on tenants' businesses, among other factors. Tenant receivables, including receivables arising from the straight-lining of rents, are written off when management deems that the collectability of substantially all future lease payments from a specific lease is not probable of collection, at which point, the Company will limit future rental revenues to cash received. Prior to the adoption of ASC 842, we maintained an allowance for doubtful accounts for estimated losses on receivables under our lease agreements, including receivables arising from the straight-lining of rent. During the year ended December 31, 2018, we had $1,910,000 of additions charged against operations and $2,592,000 of uncollectible accounts written-off, with an ending allowance for doubtful accounts balance of $5,798,000 as of December 31, 2018. 3. Basis of Presentation and Significant Accounting Policies - continued Significant Accounting Policies - continued Income Taxes: Vornado operates in a manner intended to enable it to continue to qualify as a REIT under Sections 856‑860 of the Internal Revenue Code of 1986, as amended. Under those sections, a REIT which distributes at least 90% of its REIT taxable income as a dividend to its shareholders each year and which meets certain other conditions will not be taxed on that portion of its taxable income which is distributed to its shareholders. Vornado distributes to its shareholders 100% of its REIT taxable income and therefore, no provision for Federal income taxes is required. Dividends distributed for the year ended December 31, 2020, were characterized, for federal income tax purposes, as ordinary income. Dividends distributed for the year ended December 31, 2019, were characterized, for federal income tax purposes, as 62.1% ordinary income and 37.9% long-term capital gain. Dividends distributed for the year ended December 31, 2018, were characterized, for federal income tax purposes, as 91.7% ordinary income and 8.3% long-term capital gain. We have elected to treat certain consolidated subsidiaries, and may in the future elect to treat newly formed subsidiaries, as taxable REIT subsidiaries pursuant to an amendment to the Internal Revenue Code that became effective January 1, 2001. Taxable REIT subsidiaries may participate in non-real estate related activities and/or perform non-customary services for tenants and are subject to Federal and State income tax at regular corporate tax rates. Our 220 CPS condominium project and the operations of Hotel Pennsylvania are held through a taxable REIT subsidiary. At December 31, 2020 and 2019, our taxable REIT subsidiaries had deferred tax assets, net of valuation allowances, of $15,017,000 and $57,226,000, respectively, and are included in “other assets” on our consolidated balance sheets. At December 31, 2020 and 2019, our taxable REIT subsidiaries had deferred tax liabilities of $29,348,000 and $29,444,000, respectively, which are included in "other liabilities" on our consolidated balance sheets. The deferred tax assets and liabilities relate to net operating loss carry forwards and temporary differences between the book and tax basis of asset and liabilities. For the years ended December 31, 2020, 2019 and 2018, we recognized $36,630,000, $103,439,000 and $37,633,000 of income tax expense, respectively, based on effective tax rates of approximately (8.6)%, 3.0% and 8.2%, respectively. Income tax expense recorded in each of the years primarily relates to our consolidated taxable REIT subsidiaries, and certain state, local, and franchise taxes. The years ended December 31, 2020 and 2019, included $49,221,000 and $101,828,000, respectively, of income tax expense recognized on the sale of 220 CPS condominium units. The Company has no uncertain tax positions recognized as of December 31, 2020 and 2019. The Operating Partnership’s partners are required to report their respective share of taxable income on their individual tax returns. The following table reconciles net (loss) income attributable to Vornado common shareholders to estimated taxable income for the years ended December 31, 2020, 2019 and 2018. (Amounts in thousands) For the Year Ended December 31, 2020 2019 2018 Net (loss) income attributable to Vornado common shareholders $ (348,744) $ 3,097,806 $ 384,832 Book to tax differences (unaudited): Impairment losses 602,430 95,371 11,260 Depreciation and amortization 228,520 200,913 234,325 Sale of real estate and other capital transactions (151,960) (2,575,435) 31,527 Straight-line rent adjustments 70,923 9,057 (7,133) Earnings of partially owned entities 11,074 150,550 15,711 Vornado stock options (381) (16,597) (22,992) Tangible property regulations — (57,078) (86,040) Other, net 7,950 12,575 18,956 Estimated taxable income (unaudited) $ 419,812 $ 917,162 $ 580,446 The net basis of Vornado’s assets and liabilities for tax reporting purposes is approximately $3.1 billion lower than the amounts reported in Vornado’s consolidated balance sheet at December 31, 2020.

Revenue Recognition

Revenue Recognition	12 Months Ended
	Dec. 31, 2020
Revenue from Contract with Customer [Abstract]
Revenue Recognition	Revenue Recognition Below is a summary of our revenues by segment. Additional financial information related to these reportable segments for the years ended December 31, 2020, 2019 and 2018 is set forth in Note 24 - Segment Information. (Amounts in thousands) For the Year Ended December 31, 2020 Total New York Other Property rentals (1) $ 1,323,347 $ 1,051,009 $ 272,338 Hotel Pennsylvania (2) 8,741 8,741 — Trade shows (3) 11,303 — 11,303 Lease revenues (4) 1,343,391 1,059,750 283,641 Tenant services 34,244 23,750 10,494 Rental revenues 1,377,635 1,083,500 294,135 BMS cleaning fees 105,536 112,112 (6,576) (5) Management and leasing fees 19,416 19,508 (92) Other income 25,364 6,628 18,736 Fee and other income 150,316 138,248 12,068 Total revenues $ 1,527,951 $ 1,221,748 $ 306,203 ____________________ See notes below. (Amounts in thousands) For the Year Ended December 31, 2019 Total New York Other Property rentals (1) $ 1,589,539 $ 1,300,385 $ 289,154 Hotel Pennsylvania 89,594 89,594 — Trade shows 40,577 — 40,577 Lease revenues (4) 1,719,710 1,389,979 329,731 Tenant services 47,512 35,011 12,501 Rental revenues 1,767,222 1,424,990 342,232 BMS cleaning fees 124,674 133,358 (8,684) (5) Management and leasing fees 13,542 13,694 (152) Other income 19,262 5,818 13,444 Fee and other income 157,478 152,870 4,608 Total revenues $ 1,924,700 $ 1,577,860 $ 346,840 ____________________ (1) Reduced by $63,204 and $17,237 for the years ended December 31, 2020 and 2019, respectively, for the write-off of lease receivables deemed uncollectible (primarily write-offs of receivables arising from the straight-lining of rents). (2) Closed since April 1, 2020 as a result of the pandemic. (3) Cancelled trade shows at theMART from late March 2020 through the remainder of the year as a result of the pandemic. (4) The components of lease revenues were as follows: (Amounts in thousands) For the Year Ended December 31, 2020 2019 Fixed billings $ 1,292,174 $ 1,531,917 Variable billings 126,907 199,291 Total contractual operating lease billings 1,419,081 1,731,208 Adjustment for straight-line rents and amortization of acquired below-market leases, net (12,486) 5,739 Less: write-off of straight-line rent and tenant receivables deemed uncollectible (63,204) (17,237) Lease revenues $ 1,343,391 $ 1,719,710 (5) Represents the elimination of theMART and 555 California Street BMS cleanings fees which are included as income in the New York segment. 4. Revenue Recognition - continued (Amounts in thousands) For the Year Ended December 31, 2018 Total New York Other Property rentals $ 1,816,329 $ 1,548,226 $ 268,103 Hotel Pennsylvania 94,399 94,399 — Trade shows 42,684 — 42,684 Lease revenues 1,953,412 1,642,625 310,787 Tenant services 53,921 41,351 12,570 Rental revenues 2,007,333 1,683,976 323,357 BMS cleaning fees 120,357 129,088 (8,731) (1) Management and leasing fees 13,324 12,203 1,121 Other income 22,706 10,769 11,937 Fee and other income 156,387 152,060 4,327 Total revenues $ 2,163,720 $ 1,836,036 $ 327,684 ____________________ (1) Represents the elimination of theMART and 555 California Street BMS cleanings fees which are included as income in the New York segment.

Real Estate Fund Investments

Real Estate Fund Investments	12 Months Ended
	Dec. 31, 2020
Real Estate Fund Investments [Abstract]
Real Estate Fund Investments	Real Estate Fund Investments We are the general partner and investment manager of Vornado Capital Partners Real Estate Fund (the “Fund”) and own a 25.0% interest in the Fund, which had an initial eight-year term ending February 2019. On January 29, 2018, the Fund's term was extended to February 2023. The Fund's three-year investment period ended in July 2013. The Fund is accounted for under ASC 946, Financial Services – Investment Companies (“ASC 946”) and its investments are reported on its balance sheet at fair value, with changes in value each period recognized in earnings. We consolidate the accounts of the Fund into our consolidated financial statements, retaining the fair value basis of accounting. We are the general partner and investment manager of the Crowne Plaza Times Square Hotel Joint Venture (the “Crowne Plaza Joint Venture”) and own a 57.1% interest in the joint venture which owns the 24.7% interest in the Crowne Plaza Times Square Hotel not owned by the Fund. The Crowne Plaza Joint Venture is also accounted for under ASC 946 and we consolidate the accounts of the joint venture into our consolidated financial statements, retaining the fair value basis of accounting. On June 9, 2020, the joint venture between the Fund and the Crowne Plaza Joint venture defaulted on the $274,355,000 non-recourse loan on the Crowne Plaza Times Square Hotel. The interest-only loan, which bears interest at a floating rate of LIBOR plus 3.69% (3.85% as of December 31, 2020) and provides for additional default interest of 3.00%, was scheduled to mature on July 9, 2020. As of December 31, 2020, we had four real estate fund investments through the Fund and the Crowne Plaza Joint Venture with an aggregate fair value of $3,739,000, $339,022,000 below cost, and had remaining unfunded commitments of $29,194,000, of which our share was $9,266,000. As of December 31, 2019, those four real estate fund investments had an aggregate fair value of $222,649,000. Below is a summary of loss from the Fund and the Crowne Plaza Joint Venture for the years ended December 31, 2020, 2019 and 2018. (Amounts in thousands) For the Year Ended December 31, 2020 2019 2018 Net unrealized loss on held investments $ (226,107) $ (106,109) $ (83,794) Net investment (loss) income (220) 2,027 6,105 Net realized loss on exited investments — — (912) New York City real property transfer tax (the "Transfer Tax") (1) — — (10,630) Loss from real estate fund investments (226,327) (104,082) (89,231) Less loss attributable to noncontrolling interests in consolidated subsidiaries 163,213 55,274 61,230 Loss from real estate fund investments net of noncontrolling interests in consolidated subsidiaries $ (63,114) $ (48,808) $ (28,001) ____________________ (1) Due to the additional Transfer Tax related to the March 2011 acquisition of One Park Avenue which was recognized as a result of the New York City Tax Appeals Tribunal (the "Tax Tribunal") decision in 2018. We appealed the Tax Tribunal's decision to the New York State Supreme Court, Appellate Division, First Department ("Appellate Division"). The Appellate Division entered a unanimous decision and order that confirmed the decision of the Tax Tribunal and dismissed our appeal. We filed a motion to reargue the Appellate Division's decision or for leave to appeal to the New York State Court of Appeals. That motion was denied in December 2019 and can no longer be appealed.

Marketable Securities

Marketable Securities	12 Months Ended
	Dec. 31, 2020
Marketable Securities [Abstract]
Marketable Securities	Marketable Securities Marketable securities are presented on our consolidated balance sheets at fair value and are accounted for in accordance with ASC Topic 321 - Investments in Equity Securities, which requires changes in the fair value of our marketable securities to be recorded in current period earnings. Changes in the fair value are recorded to "interest and other investment (loss) income, net" on our consolidated statements of income (see Note 17 - Interest and Other Investment (Loss) Income, Net ). Pennsylvania Real Estate Investment Trust (“PREIT”) (NYSE: PEI) On January 23, 2020, we sold all of our 6,250,000 common shares of PREIT, realizing net proceeds of $28,375,000. We recorded a $4,938,000 loss (mark-to-market decrease) for the year ended December 31, 2020. The table below summarizes the changes of our marketable securities portfolio for the years ended December 31, 2020 and 2019. (Amounts in thousands) Total Balance as of December 31, 2018 $ 152,198 Sale of marketable securities (primarily Lexington Realty Trust) (168,314) Transfer of PREIT investment balance (1) 54,962 Decrease in fair value of marketable securities (5,533) Balance as of December 31, 2019 33,313 Sale of marketable securities on January 23, 2020 (28,375) Decrease in fair value of marketable securities (4,938) Balance as of December 31, 2020 $ — ____________________

Investments in Partially Owned

Investments in Partially Owned Entities	12 Months Ended
	Dec. 31, 2020
Equity Method Investments and Joint Ventures [Abstract]
Investments in Partially Owned Entities	Investments in Partially Owned Entities Fifth Avenue and Times Square JV As of December 31, 2020, we own a 51.5% common interest in a joint venture ("Fifth Avenue and Times Square JV") which owns interests in properties located at 640 Fifth Avenue, 655 Fifth Avenue, 666 Fifth Avenue, 689 Fifth Avenue, 697-703 Fifth Avenue, 1535 Broadway and 1540 Broadway (collectively, the "Properties"). The remaining 48.5% common interest in the joint venture is owned by a group of institutional investors (the "Investors"). Our 51.5% common interest in the joint venture represents an effective 51.0% interest in the Properties. The 48.5% common interest in the joint venture owned by the Investors represents an effective 47.2% interest in the Properties. We also own $1.828 billion of preferred equity interests in certain of the properties. All of the preferred equity has an annual coupon of 4.25% for the first five years, increasing to 4.75% for the next five years and thereafter at a formulaic rate. It can be redeemed under certain conditions on a tax deferred basis. Fifth Avenue and Times Square JV was formed in April 2019, when we contributed our interests in the Properties to the joint venture and transferred a 48.5% common interest in the joint venture to the Investors (the “Transaction”). The Transaction valued the Properties at $5.556 billion, resulting in a $2.571 billion net gain, before noncontrolling interests of $11,945,000, including a gain related to the step up in our basis of the retained portion of the assets to fair value. Subsequent to the Transaction, Manhattan street retail suffered negative market conditions and was further stressed by the COVID-19 pandemic. This has resulted in a decrease in cash flows and a decline in the value of our investment which we determined was "other-than-temporary." Accordingly, we recognized impairment losses of $413,349,000, before noncontrolling interests of $4,289,000, for the year ended December 31, 2020 which are included in “(loss) income from partially owned entities” on our consolidated statements of income. Our conclusions were based on, among other factors, the significant challenges facing the retail sector and our inability to forecast a recovery over our anticipated holding period. In determining the fair value of our investment, we considered, among other inputs, a discounted cash flow analysis based upon market conditions and expectations of growth. As of December 31, 2020, the carrying amount of our investment in the joint venture was less than our share of the equity in the net assets of the joint venture by approximately $403,029,000, the basis difference primarily resulting from the non-cash impairment losses discussed above. Substantially all of this basis difference was allocated, based on our estimates of the fair values of Fifth Avenue and Times Square JV’s assets and liabilities, to real estate (land and buildings). We are amortizing the basis difference related to the buildings into earnings as a reduction to depreciation expense over their estimated useful lives. 7. Investments in Partially Owned Entities - continued Fifth Avenue and Times Square JV - continued Management, Development, Leasing and Other Agreements We provide various services to Fifth Avenue and Times Square JV in accordance with management, development, leasing and other agreements, as described below. We receive an annual fee for managing the Properties equal to 2% of the gross revenues from the Properties. In addition, we are entitled to a development fee of 5% of development costs, plus reimbursement of certain costs, for development projects performed by us. We are entitled to 1.5% of development costs, plus reimbursement of certain costs, as a supervisory fee for development projects not performed by us. We provide leasing services for fees calculated based on a percentage of rents, less any commissions paid to third-party real estate brokers, if applicable. We jointly provide leasing services for the retail space with Crown Acquisitions Inc. ("Crown"), and exclusively provide leasing services for the office space. We recognized property management fee income, included in "fee and other income" on our consolidated statements of income, of $3,982,000 and $3,085,000 for the years ended December 31, 2020 and 2019, respectively. BMS, our wholly-owned subsidiary, supervises cleaning, security and engineering services at certain of the Properties. We recognized income for these services, included in "fee and other income" on our consolidated statements of income, of $3,595,000 and $3,087,000 for the years ended December 31, 2020 and 2019, respectively. We believe, based on comparable fees charged by other real estate companies, that the fees described above are at fair market value. Alexander’s, Inc As of December 31, 2020, we own 1,654,068 Alexander’s common shares, or approximately 32.4% of Alexander’s common equity. We manage, develop and lease Alexander’s properties pursuant to agreements which expire in March of each year and are automatically renewable. As of December 31, 2020 and 2019, Alexander’s owed us an aggregate of $1,516,000 and $1,426,000, respectively, pursuant to such agreements. As of December 31, 2020, the market value (“fair value” pursuant to ASC Topic 820, Fair Value Measurements ("ASC 820")) of our investment in Alexander’s, based on Alexander’s December 31, 2020 closing share price of $277.35, was $458,756,000, or $375,854,000 in excess of the carrying amount on our consolidated balance sheet. As of December 31, 2020, the carrying amount of our investment in Alexander’s, excluding amounts owed to us, exceeds our share of the equity in the net assets of Alexander’s by approximately $38,470,000. The majority of this basis difference resulted from the excess of our purchase price for the Alexander’s common stock acquired over the book value of Alexander’s net assets. Substantially all of this basis difference was allocated, based on our estimates of the fair values of Alexander’s assets and liabilities, to real estate (land and buildings). We are amortizing the basis difference related to the buildings into earnings as additional depreciation expense over their estimated useful lives. This depreciation is not material to our share of equity in Alexander’s net income. On September 14, 2020, Alexander's amended and extended the $350,000,000 mortgage loan on the retail condominium of 731 Lexington Avenue. Under the terms of the amendment, Alexander's paid down the loan by $50,000,000 to $300,000,000, extended the maturity date to August 2025 and guaranteed the interest payments and certain leasing costs. The principal of the loan is non-recourse to Alexander's. The interest-only loan is at LIBOR plus 1.40% (1.55% as of December 31, 2020) which has been swapped to a fixed rate of 1.72%. On October 23, 2020, Alexander's completed a $94,000,000 financing of The Alexander, a 312-unit residential building that is part of Alexander's residential and retail complex located in Rego Park, Queens, New York. The interest-only loan has a fixed rate of 2.63% and matures in November 2027. Management, Development, Leasing and Other Agreements We receive an annual fee for managing Alexander’s and all of its properties equal to the sum of (i) $2,800,000, (ii) 2% of the gross revenue from the Rego Park II Shopping Center, (iii) $0.50 per square foot of the tenant-occupied office and retail space at 731 Lexington Avenue, and (iv) $334,000, escalating at 3% per annum, for managing the common area of 731 Lexington Avenue. In addition, we are entitled to a development fee of 6% of development costs, as defined. We provide Alexander’s with leasing services for a fee of 3% of rent for the first ten years of a lease term, 2% of rent for the eleventh through twentieth year of a lease term and 1% of rent for the twenty-first through thirtieth year of a lease term, subject to the payment of rents by Alexander’s tenants. In the event third-party real estate brokers are used, our fee increases by 1% and we are responsible for the fees to the third-parties. We are also entitled to a commission upon the sale of any of Alexander’s assets equal to 3% of gross proceeds, as defined, for asset sales less than $50,000,000, and 1% of gross proceeds, as defined, for asset sales of $50,000,000 or more. 7. Investments in Partially Owned Entities - continued Alexander’s, Inc - continued Management, Development, Leasing and Other Agreements - continued BMS, our wholly-owned subsidiary, supervises (i) cleaning, engineering and security services at Alexander’s 731 Lexington Avenue property and (ii) security services at Alexander’s Rego Park I, Rego Park II properties and The Alexander apartment tower. During the years ended December 31, 2020, 2019 and 2018, we recognized $3,613,000, $3,613,000 and $2,705,000 of income, respectively, for these services. Below is a schedule summarizing our investments in partially owned entities. (Amounts in thousands) Percentage Ownership at December 31, 2020 Balance as of December 31, 2020 2019 Investments: Fifth Avenue and Times Square JV (see page 91 for details) 51.5% $ 2,798,413 $ 3,291,231 Partially owned office buildings/land (1) Various 473,285 464,109 Alexander’s (see page 92 for details) 32.4% 82,902 98,543 Other investments (2) Various 136,507 145,282 $ 3,491,107 $ 3,999,165 Investments in partially owned entities included in other liabilities (3) : 7 West 34th Street 53.0% $ (55,340) $ (54,004) 85 Tenth Avenue 49.9% (13,080) (6,186) $ (68,420) $ (60,190) ____________________ (1) Includes interests in 280 Park Avenue, 650 Madison Avenue, One Park Avenue, 512 West 22nd Street, 61 Ninth Avenue and others. (2) Includes interests in Independence Plaza, Rosslyn Plaza and others. (3) Our negative basis results from distributions in excess of our investment. Below is a schedule of (loss) income from partially owned entities. (Amounts in thousands) Percentage Ownership at December 31, 2020 For the Year Ended December 31, 2020 2019 2018 Our share of net (loss) income: Fifth Avenue and Times Square JV (see page 91 for details) (1) : Non-cash impairment loss $ (413,349) $ — $ — Return on preferred equity, net of our share of the expense 37,357 27,586 — Equity in net income 51.5% 21,063 (2) 31,130 — (354,929) 58,716 — Alexander's (see page 92 for details): Equity in net income 32.4% 13,326 (3) 19,204 10,485 (4) Management, leasing and development fees 5,309 4,575 4,560 18,635 23,779 15,045 Partially owned office buildings (5) Various 12,742 (3,443) (3,085) Other investments (6) Various (5,560) (187) (2,811) $ (329,112) $ 78,865 $ 9,149 ____________________ (1) Entered into on April 18, 2019. (2) Includes a $13,971 reduction in income related to a Forever 21 lease modification at 1540 Broadway and $3,125 of write-offs of lease receivables deemed uncollectible during 2020. (3) Includes our $4,846 share of write-offs of lease receivables deemed uncollectible. (4) Includes our $7,708 share of Alexander's additional Transfer Tax related to the November 2012 sale of Kings Plaza Regional Shopping Center. Alexander's recorded this expense based on the precedent established by the Tax Tribunal's decision regarding One Park Avenue in 2018 (see Note 5 - Real Estate Fund Investments ). On January 12, 2021, Alexander's decided not to further contest the additional Transfer Tax paid in connection with the sale of Kings Plaza. (5) Includes interests in 280 Park Avenue, 650 Madison Avenue, One Park Avenue, 7 West 34th Street, 330 Madison Avenue (sold on July 11, 2019), 512 West 22nd Street, 61 Ninth Avenue, 85 Tenth Avenue and others. 2018 includes our $4,978 share of additional Transfer Tax related to the March 2011 acquisition of One Park Avenue (see Note 5 - Real Estate Fund Investments ). (6) Includes interests in Independence Plaza, Rosslyn Plaza, Urban Edge Properties (sold on March 4, 2019), PREIT (accounted for as a marketable security from March 12, 2019 and sold on January 23, 2020), 666 Fifth Avenue Office Condominium (sold on August 3, 2018) and others. 2018 includes a net loss of $4,873 from our 666 Fifth Avenue Office Condominium joint venture as a result of our share of depreciation expense. 7. Investments in Partially Owned Entities – continued Below is a summary of the debt of our partially owned entities as of December 31, 2020 and 2019. (Amounts in thousands) Percentage Ownership at December 31, 2020 Maturity Interest Rate at December 31, 2020 100% Partially Owned Entities’ Debt at December 31, (1) 2020 2019 Mortgages Payable: Partially owned office buildings (2) Various 2021-2029 2.89% $ 3,622,572 $ 3,604,104 Alexander's 32.4% 2021-2027 1.65% 1,164,544 974,836 Fifth Avenue and Times Square JV 51.5% 2022-2024 2.63% 950,000 950,000 Other (3) Various 2021-2025 4.32% 1,288,265 1,290,227 ________________________________________ (1) All amounts are non-recourse to us except (i) the $500,000 mortgage loan on 640 Fifth Avenue, included in the Fifth Avenue and Times Square JV, and (ii) the $300,000 mortgage loan on 7 West 34th Street. (2) Includes interests in 280 Park Avenue, 650 Madison Avenue, One Park Avenue, 7 West 34th Street, 512 West 22nd Street, 61 Ninth Avenue, 85 Tenth Avenue and others. (3) Includes interests in Independence Plaza, Rosslyn Plaza and others. Based on our ownership interest in the partially owned entities above, our pro rata share of the debt of these partially owned entities was $2,873,174,000 and $2,802,859,000 as of December 31, 2020 and 2019, respectively Summary of Condensed Combined Financial Information The following is a summary of condensed combined financial information for all of our partially owned entities as of December 31, 2020 and 2019 and for the years ended December 31, 2020, 2019 and 2018. (Amounts in thousands) As of December 31, 2020 2019 Balance Sheet: Assets $ 13,344,000 $ 13,384,000 Liabilities 7,747,000 7,548,000 Noncontrolling interests 2,075,000 2,054,000 Equity 3,522,000 3,782,000 (Amounts in thousands) For the Year Ended December 31, 2020 2019 2018 Income Statement: Total revenue $ 1,163,000 $ 1,504,000 $ 1,798,000 Net income 45,000 39,000 52,000 Net (loss) income attributable to the entity (33,000) (32,000) 21,000

220 Central Park South

220 Central Park South	12 Months Ended
	Dec. 31, 2020
Real Estate [Abstract]
220 Central Park South	220 Central Park South We are completing construction of a residential condominium tower containing 397,000 salable square feet at 220 CPS. The development cost of this project (exclusive of land cost) is estimated to be approximately $1.480 billion, of which $1.455 billion has been expended as of December 31, 2020. During the year ended December 31, 2020, we closed on the sale of 35 condominium units at 220 CPS for net proceeds of $1,049,360,000 resulting in a financial statement net gain of $381,320,000 which is included in "net gains on disposition of wholly owned and partially owned assets" on our consolidated statements of income. In connection with these sales, $49,221,000 of income tax expense was recognized on our consolidated statements of income. From inception to December 31, 2020, we have closed on the sale of 100 units for net proceeds of $2,869,492,000 resulting in financial statement net gains of $1,066,937,000. As of December 31, 2020, 91% of the condominium units have been sold and closed.

Identified Intangible Assets an

Identified Intangible Assets and Liabilities	12 Months Ended
	Dec. 31, 2020
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Identified Intangible Assets and Liabilities	Identified Intangible Assets and Liabilities The following summarizes our identified intangible assets (primarily above-market leases) and liabilities (primarily below-market leases). (Amounts in thousands) Balance as of December 31, 2020 2019 Identified intangible assets: Gross amount $ 116,969 $ 129,552 Accumulated amortization (93,113) (98,587) Total, net $ 23,856 $ 30,965 Identified intangible liabilities (included in deferred revenue): Gross amount $ 273,902 $ 316,119 Accumulated amortization (238,541) (262,580) Total, net $ 35,361 $ 53,539 Amortization of acquired below-market leases, net of acquired above-market leases, resulted in an increase to rental revenues of $16,878,000, $19,830,000 and $38,573,000 for the years ended December 31, 2020, 2019 and 2018, respectively. Estimated annual amortization of acquired below-market leases, net of acquired above-market leases, for each of the five succeeding years commencing January 1, 2021 is as follows: (Amounts in thousands) 2021 $ 10,697 2022 9,169 2023 6,631 2024 2,883 2025 1,453 Amortization of all other identified intangible assets (a component of depreciation and amortization expense) was $6,507,000, $8,666,000 and $18,018,000 for the years ended December 31, 2020, 2019 and 2018, respectively. Estimated annual amortization of all other identified intangible assets including acquired in-place leases for each of the five succeeding years commencing January 1, 2021 is as follows: (Amounts in thousands) 2021 $ 4,334 2022 3,734 2023 3,648 2024 3,034 2025 2,150

Debt

Debt	12 Months Ended
	Dec. 31, 2020
Debt Disclosure [Abstract]
Debt	Debt On February 28, 2020, we increased our unsecured term loan balance to $800,000,000 (from $750,000,000) by exercising an accordion feature. Pursuant to an existing swap agreement, $750,000,000 of the loan bears interest at a fixed rate of 3.87% through October 2023, and the balance of $50,000,000 floats at a rate of LIBOR plus 1.00% (1.15% as of December 31, 2020). The entire $800,000,000 will float thereafter for the duration of the loan through February 2024. On August 12, 2020, we amended the $700,000,000 mortgage loan on 770 Broadway, a 1.2 million square foot Manhattan office building, to extend the term one year through March 2022. On October 15, 2020, we completed a $500,000,000 refinancing of PENN11, a 1.2 million square foot Manhattan office building. The interest-only loan carries a rate of LIBOR plus 2.75% (2.90% as of December 31, 2020) and matures in October 2023, with two one On November 2, 2020, we repaid the $52,476,000 mortgage loan on our land under a portion of the Borgata Hotel and Casino complex. The 10-year fixed rate amortizing loan bore interest at 5.14% and was scheduled to mature in February 2021. 10. Debt - continued The following is a summary of our debt: (Amounts in thousands) Weighted Average Interest Rate at December 31, 2020 Balance as of December 31, 2020 2019 Mortgages Payable: Fixed rate 3.68% $ 3,012,643 $ 4,601,516 Variable rate 2.02% 2,595,815 1,068,500 Total 2.91% 5,608,458 5,670,016 Deferred financing costs, net and other (27,909) (30,119) Total, net $ 5,580,549 $ 5,639,897 Senior unsecured notes 3.50% $ 450,000 $ 450,000 Deferred financing costs, net and other (3,315) (4,128) Senior unsecured notes, net 446,685 445,872 Unsecured term loan 3.70% 800,000 750,000 Deferred financing costs, net and other (3,238) (4,160) Unsecured term loan, net 796,762 745,840 Unsecured revolving credit facilities 1.05% 575,000 575,000 Total, net $ 1,818,447 $ 1,766,712 The net carrying amount of properties collateralizing the above indebtedness amounted to $5.5 billion as of December 31, 2020. As of December 31, 2020, the principal repayments required for the next five years and thereafter are as follows: (Amounts in thousands) Mortgages Payable Senior Unsecured Year Ended December 31, 2021 $ 2,609,243 $ — 2022 971,600 — 2023 523,400 575,000 2024 773,215 800,000 2025 331,000 450,000 Thereafter 400,000 —

Redeemable Noncontrolling Inter

Redeemable Noncontrolling Interests	12 Months Ended
	Dec. 31, 2020
Noncontrolling Interest [Abstract]
Redeemable Noncontrolling Interests	Redeemable Noncontrolling Interests Redeemable Noncontrolling Partnership Units Redeemable noncontrolling interests on Vornado’s consolidated balance sheets and redeemable partnership units on the consolidated balance sheets of the Operating Partnership are primarily comprised of Class A Operating Partnership units held by third parties and are recorded at the greater of their carrying amount or redemption value at the end of each reporting period. Changes in the value from period to period are charged to “additional capital” in Vornado’s consolidated statements of changes in equity and to “partners’ capital” on the consolidated balance sheets of the Operating Partnership. Class A units may be tendered for redemption to the Operating Partnership for cash; Vornado, at its option, may assume that obligation and pay the holder either cash or Vornado common shares on a one-for-one basis. Because the number of Vornado common shares outstanding at all times equals the number of Class A units owned by Vornado, the redemption value of each Class A unit is equivalent to the market value of one Vornado common share, and the quarterly distribution to a Class A unitholder is equal to the quarterly dividend paid to a Vornado common shareholder. 11. Redeemable Noncontrolling Interests - continued Redeemable Noncontrolling Partnership Units - continued Below are the details of redeemable noncontrolling partnership units as of December 31, 2020 and 2019. (Amounts in thousands, except units and per unit amounts) Balance as of December 31, Units Outstanding as of December 31, Per Unit Preferred or Unit Series 2020 2019 2020 2019 Common: Class A units held by third parties $ 507,212 (1) $ 884,380 (1) 13,583,607 13,298,956 n/a $ 2.38 Perpetual Preferred/Redeemable Preferred (2) : 5.00% D-16 Cumulative Redeemable $ 1,000 $ 1,000 1 1 $ 1,000,000.00 $ 50,000.00 3.25% D-17 Cumulative Redeemable $ 3,535 $ 3,535 141,400 141,400 $ 25.00 $ 0.8125 ________________________________________ (1) Aggregate redemption value was based on Vornado's quarter-end closing common share price. (2) Holders may tender units for redemption to the Operating Partnership for cash at their stated redemption amount; Vornado, at its option, may assume that obligation and pay the holders either cash or Vornado preferred shares on a one-for-one basis. These units are redeemable at Vornado's option at any time. Below is a table summarizing the activity of redeemable noncontrolling partnership units. (Amounts in thousands) For the Year Ended December 31, 2020 2019 Beginning balance $ 888,915 $ 783,562 Net (loss) income (24,946) 210,872 Other comprehensive loss (2,914) (3,235) Distributions (32,595) (34,607) Special distribution declared on December 18, 2019 (see Note 12 - Shareholder's Equity/Partners' Capital ) — (25,912) Redemption of Class A units for Vornado common shares, at redemption value (9,266) (11,250) Redeemable Class A unit measurement adjustment (344,043) (70,810) Other, net 36,596 40,295 Ending balance $ 511,747 $ 888,915 Redeemable noncontrolling partnership units exclude our Series G-1 through G-4 convertible preferred units and Series D-13 cumulative redeemable preferred units, as they are accounted for as liabilities in accordance with ASC Topic 480, Distinguishing Liabilities and Equity , because of their possible settlement by issuing a variable number of Vornado common shares. Accordingly, the fair value of these units is included as a component of “other liabilities” on our consolidated balance sheets and aggregated $50,002,000 and $50,561,000 as of December 31, 2020 and 2019, respectively. Changes in the value from period to period, if any, are charged to “interest and debt expense” on our consolidated statements of income. Redeemable Noncontrolling Interest in a Consolidated Subsidiary The consolidated joint venture in which we own a 95% interest is developing Farley Office and Retail (the "Project"). During 2020, a historic tax credit investor (the "Tax Credit Investor") funded $92,400,000 of capital contributions and is expected to make additional capital contributions in future periods. The arrangement includes a put option whereby the joint venture may be obligated to purchase the Tax Credit Investor’s ownership interest in the Project at a future date. The put price is calculated based on a pre-determined formula. As exercise of the put option is outside of the joint venture’s control, the Tax Credit Investor’s interest, together with the put option, have been recorded to “redeemable noncontrolling interest in a consolidated subsidiary” on our consolidated balance sheet as of December 31, 2020. The redeemable noncontrolling interest is recorded at the greater of the carrying amount or redemption value at the end of each reporting period. Changes in the value from period to period are charged to “additional capital” in Vornado’s consolidated statements of changes in equity and to “partners’ capital” on the consolidated balance sheets of the Operating Partnership. There was no adjustment required for the year ended December 31, 2020. 11. Redeemable Noncontrolling Interests - continued Redeemable Noncontrolling Interest in a Consolidated Subsidiary - continued Below is a table summarizing the activity of redeemable noncontrolling interest in a consolidated subsidiary. (Amounts in thousands) For the Year Ended Beginning balance $ — Net income 544 Contributions 92,400 Other, net 1,576 Ending balance $ 94,520

Shareholders' Equity_Partners'

Shareholders' Equity/Partners' Capital	12 Months Ended
	Dec. 31, 2020
Equity [Abstract]
Shareholders' Equity/Partners' Capital	Shareholders' Equity/Partners' Capital Common Shares (Vornado Realty Trust) As of December 31, 2020, there were 191,354,679 common shares outstanding. During 2020, we paid an aggregate of $454,857,000 of quarterly common dividends comprised of common dividends of $0.66 per share in the first and second quarter, and $0.53 per share in the third and fourth quarter. On December 18, 2019, Vornado's Board of Trustees declared a special dividend of $1.95 per share, or $372,380,000 in the aggregate, which was paid on January 15, 2020 to common shareholders of record on December 30, 2019 (the "Record Date".) Class A Units (Vornado Realty L.P.) As of December 31, 2020, there were 191,354,679 Class A units outstanding that were held by Vornado. These units are classified as “partners’ capital” on the consolidated balance sheets of the Operating Partnership. As of December 31, 2020, there were 13,583,607 Class A units outstanding, that were held by third parties. These units are classified outside of “partners’ capital” as “redeemable partnership units” on the consolidated balance sheets of the Operating Partnership (See Note 11 – Redeemable Noncontrolling Interests ). During 2020, the Operating Partnership paid an aggregate of $454,857,000 of quarterly distributions to Vornado comprised of common distributions of $0.66 per unit in the first and second quarter, and $0.53 per unit in the third and fourth quarter. On January 15, 2020, distributions of $1.95 per unit, or $398,292,000 in the aggregate, were paid to Class A unitholders of the Operating Partnership as of the Record Date, of which $372,380,000 was distributed to Vornado, in connection with the special dividend declared on December 18, 2019 by Vornado's Board of Trustees. Preferred Shares/Units On November 24, 2020, Vornado sold 12,000,000 5.25% Series N cumulative redeemable preferred shares at a price of $25.00 per share, pursuant to an effective registration statement. Vornado received aggregate net proceeds of $291,182,000, after underwriters' discount and issuance costs and contributed the net proceeds to the Operating Partnership in exchange for 12,000,000 5.25% Series N preferred units (with economic terms that mirror those of the Series N preferred shares). Dividends on the Series N preferred shares/units are cumulative and payable quarterly in arrears. The Series N preferred shares/units are not convertible into, or exchangeable for, any of our properties or securities. On or after five years from the date of issuance (or sooner under limited circumstances), Vornado may redeem the Series N preferred shares/units at a redemption price of $25.00 per share, plus accrued and unpaid dividends through the date of redemption. The Series N preferred shares/units have no maturity date and will remain outstanding indefinitely unless redeemed by Vornado. 12. Shareholders' Equity/Partners' Capital - continued Preferred Shares/Units - continued The following table sets forth the details of our preferred shares of beneficial interest and the preferred units of the Operating Partnership as of December 31, 2020 and 2019. (Amounts in thousands, except share/unit and per share/per unit amounts) Per Share/Unit Balance as of December 31, Shares/Units Outstanding as of December 31, Liquidation Annual (1) Preferred Shares/Units 2020 2019 2020 2019 Convertible Preferred: 6.5% Series A: authorized 13,402 and 15,640 shares/units (2) $ 934 $ 991 13,402 15,640 $ 50.00 $ 3.25 Cumulative Redeemable Preferred: 5.70% Series K: authorized 12,000,000 shares/units (3) 290,971 290,971 12,000,000 12,000,000 25.00 1.425 5.40% Series L: authorized 13,800,000 shares/units (3) 290,306 290,306 12,000,000 12,000,000 25.00 1.35 5.25% Series M: authorized 13,800,000 shares/units (3) 308,946 308,946 12,780,000 12,780,000 25.00 1.3125 5.25% Series N: authorized 12,000,000 shares/units (3) 291,182 — 12,000,000 — 25.00 1.3125 (4) $ 1,182,339 $ 891,214 48,793,402 36,795,640 ________________________________________ (1) Dividends on preferred shares and distributions on preferred units are cumulative and are payable quarterly in arrears. (2) Redeemable at the option of Vornado under certain circumstances, at a redemption price of 1.9531 common shares/Class A units per Series A Preferred Share/Unit plus accrued and unpaid dividends/distributions through the date of redemption, or convertible at any time at the option of the holder for 1.9531 common shares/Class A units per Series A Preferred Share/Unit. (3) Redeemable at Vornado's option at a redemption price of $25.00 per share/unit, plus accrued and unpaid dividends/distributions through the date of redemption. (4) Annual dividend/distribution rate commencing in November 2020. During 2020, we paid an aggregate of $51,739,000 of preferred dividends. Accumulated Other Comprehensive Loss The following table sets forth the changes in accumulated other comprehensive loss by component for the year ended December 31, 2020. (Amounts in thousands) Total Accumulated other comprehensive income (loss) of nonconsolidated subsidiaries Interest rate Other Balance as of December 31, 2019 $ (40,233) $ 4 $ (36,126) $ (4,111) Other comprehensive (loss) income (34,866) (14,342) (29,972) 9,448 Balance as of December 31, 2020 $ (75,099) $ (14,338) $ (66,098) $ 5,337

Variable Interest Entities

Variable Interest Entities	12 Months Ended
	Dec. 31, 2020
Variable Interest Entities [Abstract]
Variable Interest Entities	Variable Interest Entities Unconsolidated VIEs As of December 31, 2020 and 2019, we have several unconsolidated VIEs. We do not consolidate these entities because we are not the primary beneficiary and the nature of our involvement in the activities of these entities does not give us power over decisions that significantly affect these entities’ economic performance. We account for our investment in these entities under the equity method (see Note 7 – Investments in Partially Owned Entities ). As of December 31, 2020 and 2019, the net carrying amount of our investments in these entities was $224,754,000 and $217,451,000, respectively, and our maximum exposure to loss in these entities is limited to the carrying amount of our investments. Consolidated VIEs Our most significant consolidated VIEs are the Operating Partnership (for Vornado), the Farley joint venture and certain properties that have non-controlling interests. These entities are VIEs because the non-controlling interests do not have substantive kick-out or participating rights. We consolidate these entities because we control all significant business activities. As of December 31, 2020, the total assets and liabilities of our consolidated VIEs, excluding the Operating Partnership, were $4,053,841,000 and $1,722,719,000 respectively. As of December 31, 2019, the total assets and liabilities of our consolidated VIEs, excluding the Operating Partnership, were $4,923,656,000 and $2,646,623,000, respectively.

Fair Value Measurements

Fair Value Measurements	12 Months Ended
	Dec. 31, 2020
Fair Value Disclosures [Abstract]
Fair Value Measurements	Fair Value Measurements ASC 820 defines fair value and establishes a framework for measuring fair value. The objective of fair value is to determine the price that would be received upon the sale of an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date (the exit price). ASC 820 establishes a fair value hierarchy that prioritizes observable and unobservable inputs used to measure fair value into three levels: Level 1 – quoted prices (unadjusted) in active markets that are accessible at the measurement date for assets or liabilities; Level 2 – observable prices that are based on inputs not quoted in active markets, but corroborated by market data; and Level 3 – unobservable inputs that are used when little or no market data is available. The fair value hierarchy gives the highest priority to Level 1 inputs and the lowest priority to Level 3 inputs. In determining fair value, we utilize valuation techniques that maximize the use of observable inputs and minimize the use of unobservable inputs to the extent possible, as well as consider counterparty credit risk in our assessment of fair value. Considerable judgment is necessary to interpret Level 2 and 3 inputs in determining the fair value of our financial and non-financial assets and liabilities. Accordingly, our fair value estimates, which are made at the end of each reporting period, may be different than the amounts that may ultimately be realized upon sale or disposition of these assets. Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis Financial assets and liabilities that are measured at fair value on our consolidated balance sheets consist of (i) marketable securities, (ii) real estate fund investments, (iii) the assets in our deferred compensation plan (for which there is a corresponding liability on our consolidated balance sheets), (iv) loans receivable (for which we have elected the fair value option under ASC 825-10),(v) interest rate swaps and (vi) mandatorily redeemable instruments (Series G-1 through G-4 convertible preferred units and Series D-13 cumulative redeemable preferred units). The tables below aggregate the fair values of these financial assets and liabilities by their levels in the fair value hierarchy. (Amounts in thousands) As of December 31, 2020 Total Level 1 Level 2 Level 3 Real estate fund investments $ 3,739 $ — $ — $ 3,739 Deferred compensation plan assets ($10,813 included in restricted cash and $94,751 in other assets) 105,564 65,636 — 39,928 Loans receivable ($43,008 included in investments in partially owned entities and $4,735 in other assets) 47,743 — — 47,743 Interest rate caps (included in other assets) 17 — 17 — Total assets $ 157,063 $ 65,636 $ 17 $ 91,410 Mandatorily redeemable instruments (included in other liabilities) $ 50,002 $ 50,002 $ — $ — Interest rate swaps (included in other liabilities) 66,033 — 66,033 — Total liabilities $ 116,035 $ 50,002 $ 66,033 $ — (Amounts in thousands) As of December 31, 2019 Total Level 1 Level 2 Level 3 Marketable securities $ 33,313 $ 33,313 $ — $ — Real estate fund investments 222,649 — — 222,649 Deferred compensation plan assets ($11,819 included in restricted cash and $91,954 in other assets) 103,773 71,338 — 32,435 Interest rate swaps (included in other assets) 4,327 — 4,327 — Total assets $ 364,062 $ 104,651 $ 4,327 $ 255,084 Mandatorily redeemable instruments (included in other liabilities) $ 50,561 $ 50,561 $ — $ — Interest rate swaps (included in other liabilities) 40,354 — 40,354 — Total liabilities $ 90,915 $ 50,561 $ 40,354 $ — 14. Fair Value Measurements - continued Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis - continued Real Estate Fund Investments As of December 31, 2020, we had four real estate fund investments with an aggregate fair value of $3,739,000, or $339,022,000 below cost. These investments are classified as Level 3. Significant unobservable quantitative inputs used in determining the fair value of each investment include capitalization rates and discount rates. These rates are based on the location, type and nature of each property, current and anticipated market conditions, industry publications and from the experience of our Acquisitions and Capital Markets departments. Significant unobservable quantitative inputs in the table below were utilized in determining the fair value of these real estate fund investments. Range Weighted Average Unobservable Quantitative Input December 31, 2020 December 31, 2019 December 31, 2020 December 31, 2019 Discount rates 7.6% to 15.0% 8.6% to 12.0% 12.7% 9.9% Terminal capitalization rates 5.5% to 10.3% 4.9% to 8.2% 7.9% 5.9% The inputs above are subject to change based on changes in economic and market conditions and/or changes in use or timing of exit. Changes in discount rates and terminal capitalization rates result in increases or decreases in the fair values of these investments. The discount rates encompass, among other things, uncertainties in the valuation models with respect to terminal capitalization rates and the amount and timing of cash flows. Therefore, a change in the fair value of these investments resulting from a change in the terminal capitalization rate may be partially offset by a change in the discount rate. It is not possible for us to predict the effect of future economic or market conditions on our estimated fair values. The table below summarizes the changes in the fair value of real estate fund investments that are classified as Level 3. (Amounts in thousands) For the Year Ended December 31, 2020 2019 Beginning balance $ 222,649 $ 318,758 Net unrealized loss on held investments (226,107) (106,109) Purchases/additional fundings 7,197 10,000 Ending balance $ 3,739 $ 222,649 Deferred Compensation Plan Assets Deferred compensation plan assets that are classified as Level 3 consist of investments in limited partnerships and investment funds, which are managed by third parties. We receive quarterly financial reports from a third-party administrator, which are compiled from the quarterly reports provided to them from each limited partnership and investment fund. The quarterly reports provide net asset values on a fair value basis which are audited by independent public accounting firms on an annual basis. The period of time over which these underlying assets are expected to be liquidated is unknown. The third-party administrator does not adjust these values in determining our share of the net assets and we do not adjust these values when reported in our consolidated financial statements. The table below summarizes the changes in the fair value of deferred compensation plan assets that are classified as Level 3. (Amounts in thousands) For the Year Ended December 31, 2020 2019 Beginning balance $ 32,435 $ 37,808 Sales (5,467) (27,053) Purchases 8,766 18,494 Realized and unrealized gains 808 1,947 Other, net 3,386 1,239 Ending balance $ 39,928 $ 32,435 Loans Receivable Loans receivable consist of loan investments in real estate related assets for which we have elected the fair value option under ASC 825-10 as of January 1, 2020. These investments are classified as Level 3. Significant unobservable quantitative inputs used in determining the fair value of each investment include capitalization rates and discount rates. These rates are based on the location, type and nature of each property, current and anticipated market conditions, industry publications and from the experience of our Acquisitions and Capital Markets departments. Significant unobservable quantitative inputs in the table on the following page were utilized in determining the fair value of these loans receivable. 14. Fair Value Measurements - continued Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis - continued Loans Receivable - continued December 31, 2020 Unobservable Quantitative Input Range Weighted Average (based on fair value of investments) Discount rates 6.5% 6.5 % Terminal capitalization rates 5.0% 5.0 % The table below summarizes the changes in fair value of loans receivable that are classified as Level 3. (Amounts in thousands) For the Year Ended December 31, 2020 Beginning balance $ 59,251 Credit losses (13,369) Interest accrual 2,461 Paydowns (600) Ending balance $ 47,743 Derivatives and Hedging We utilize various financial instruments to mitigate the impact of interest rate fluctuations on our cash flows and earnings, including hedging strategies, depending on our analysis of the interest rate environment and the costs and risks of such strategies. We recognize the fair values of all derivatives in "other assets" or "other liabilities" on our consolidated balance sheets. Derivatives that are not hedges are adjusted to fair value through earnings. If a derivative is a hedge, depending on the nature of the hedge, changes in the fair value of the derivative will either be offset against the change in fair value of the hedge asset, liability, or firm commitment through earnings, or recognized in other comprehensive income until the hedged item is recognized in earnings. Reported net income and equity may increase or decrease prospectively, depending on future levels of interest rates and other variables affecting the fair values of derivative instruments and hedged items, but will have no effect on cash flows. The following table summarizes our consolidated derivative instruments, all of which hedge variable rate debt, as of December 31, 2020 and 2019, respectively. (Amounts in thousands) As of December 31, 2020 Variable Rate Hedged Item Fair Value Notional Amount Spread over LIBOR Interest Rate Swapped Rate Expiration Date Interest rate caps (included in other assets): Various $ 17 $ 175,000 Interest rate swaps (included in other liabilities): Unsecured term loan $ 57,723 $ 750,000 (1) L+100 1.15% 3.87% 10/23 33-00 Northern Boulevard mortgage loan 8,310 100,000 L+180 1.95% 4.14% 1/25 $ 66,033 $ 850,000 ________________________________________ (1) Remaining $50,000 balance of our unsecured term loan bears interest at a floating rate of LIBOR plus 1.00%. (Amounts in thousands) As of December 31, 2019 Variable Rate Hedged Item Fair Value Notional Amount Spread over LIBOR Interest Rate Swapped Rate Expiration Date Interest rate swaps (included in other assets): 770 Broadway loan $ 4,045 $ 700,000 L+175 3.46% 2.56% 9/20 888 Seventh Avenue mortgage loan 218 375,000 L+170 3.44% 3.25% 12/20 4,263 1,075,000 Interest rate caps (included in other assets): Various 64 175,000 $ 4,327 $ 1,250,000 Interest rate swaps (included in other liabilities): Unsecured term loan $ 36,809 $ 750,000 L+100 2.80% 3.87% 10/23 33-00 Northern Boulevard mortgage loan 3,545 100,000 L+180 3.52% 4.14% 1/25 $ 40,354 $ 850,000 14. Fair Value Measurements - continued Fair Value Measurements on a Nonrecurring Basis As of December 31, 2020, assets measured at fair value on a nonrecurring basis on our consolidated balance sheet consisted of real estate assets that have been written down to estimated fair value for impairment purposes. The impairment losses primarily relate to wholly owned street retail assets. There were no assets measured at fair value on a nonrecurring basis on our consolidated balance sheet as of December 31, 2019. Our estimate of the fair value of these assets was measured using widely accepted valuation techniques including (i) discounted cash flow analyses based upon market conditions and expectations of growth and utilized unobservable quantitative inputs, including a capitalization rate of 5.0% and discount rate of 7.0%, and (ii) comparable sales activity. (Amounts in thousands) As of December 31, 2020 Total Level 1 Level 2 Level 3 Real estate assets $ 191,116 $ — $ — $ 191,116 As of September 30, 2020, assets measured at fair value on a nonrecurring basis on our consolidated balance sheet consisted of our investment in Fifth Avenue and Times Square JV that had been written down to estimated fair value for impairment purposes. Our estimate of the fair value of our investment in Fifth Avenue and Times Square JV was measured using a discounted cash flow analysis based upon market conditions and expectations of growth and utilized unobservable quantitative inputs, including a capitalization rate of 4.50% and discount rate of 6.25%. See Note 7 - Investments in Partially Owned Entities for details of non-cash impairment losses recognized on our investment in Fifth Avenue and Times Square JV during the year ended December 31, 2020. (Amounts in thousands) As of September 30, 2020 Total Level 1 Level 2 Level 3 Investment in Fifth Avenue and Times Square JV $ 2,811,374 $ — $ — $ 2,811,374 Financial Assets and Liabilities not Measured at Fair Value Financial assets and liabilities that are not measured at fair value on our consolidated balance sheets include cash equivalents (primarily money market funds, which invest in obligations of the United States government), and our secured and unsecured debt. Estimates of the fair value of these instruments are determined by the standard practice of modeling the contractual cash flows required under the instrument and discounting them back to their present value at the appropriate current risk adjusted interest rate, which is provided by a third-party specialist. For floating rate debt, we use forward rates derived from observable market yield curves to project the expected cash flows we would be required to make under the instrument. The fair value of cash equivalents and borrowings under our unsecured revolving credit facilities and unsecured term loan are classified as Level 1. The fair value of our secured debt and unsecured debt are classified as Level 2. The table below summarizes the carrying amounts and fair value of these financial instruments. (Amounts in thousands) As of December 31, 2020 As of December 31, 2019 Carrying Fair Carrying Fair Cash equivalents $ 1,476,427 $ 1,476,000 $ 1,276,815 $ 1,277,000 Debt: Mortgages payable $ 5,608,458 $ 5,612,000 $ 5,670,016 $ 5,714,000 Senior unsecured notes 450,000 476,000 450,000 468,000 Unsecured term loan 800,000 800,000 750,000 750,000 Unsecured revolving credit facilities 575,000 575,000 575,000 575,000 Total $ 7,433,458 (1) $ 7,463,000 $ 7,445,016 (1) $ 7,507,000 ____________________ (1) Excludes $34,462 and $38,407 of deferred financing costs, net and other as of December 31, 2020 and 2019 respectively.

Stock-based Compensation

Stock-based Compensation	12 Months Ended
	Dec. 31, 2020
Share-based Payment Arrangement [Abstract]
Stock-based Compensation	Stock-based Compensation Vornado's 2019 Omnibus Share Plan (the “Plan") provides the Compensation Committee of Vornado's Board of Trustees (the "Committee") the ability to grant incentive and nonqualified Vornado stock options, restricted stock, restricted Operating Partnership units ("OP units"), out-performance plan awards ("OPPs"), appreciation-only long-term incentive plan units (“AO LTIP Units”) and performance conditioned appreciation-only long-term incentive plan units ("Performance Conditioned AO LTIP Units") to certain of our employees and officers. Awards may be granted up to a maximum 5,500,000 shares, if all awards granted are Full Value awards, as defined in the Plan, and up to 11,000,000 shares, if all of the awards granted are Not Full Value Awards, as defined in the Plan. Full Value Awards are awards of securities, such as restricted shares, that, if all vesting requirements are met, do not require the payment of an exercise price or strike price to acquire the securities. Not Full Value Awards are awards of securities, such as options, that do require the payment of an exercise price or strike price. As of December 31, 2020, Vornado has approximately 4,662,000 shares available for future grants under the Plan, if all awards granted are Full Value Awards, as defined. We account for all equity-based compensation in accordance with ASC Topic 718, Compensation - Stock Compensation . Below is a summary of our stock-based compensation expense, a component of "general and administrative" expense on our consolidated statements of income. (Amounts in thousands) For the Year Ended December 31, 2020 2019 2018 OP Units $ 33,431 $ 39,969 $ 17,763 OPPs 9,579 1,944 10,689 AO LTIP Units 3,955 2,636 2,113 Vornado stock options 656 547 587 Vornado restricted stock 649 549 570 Performance Conditioned AO LTIP Units 407 8,263 — $ 48,677 $ 53,908 $ 31,722 Below is a summary of unrecognized compensation expense for the year ended December 31, 2020. (Amounts in thousands) As of Weighted-Average OP Units $ 25,661 1.6 OPPs 3,882 2.1 AO LTIP Units 2,286 1.5 Vornado stock options 987 1.7 Vornado restricted stock 974 1.7 Performance Conditioned AO LTIP Units 313 1.3 $ 34,103 1.7 OPPs OPPs are multi-year, performance-based equity compensation plans under which participants have the opportunity to earn a class of units (“OPP units”) of the Operating Partnership if, and only if, Vornado outperforms a predetermined total shareholder return (“TSR”) and/or outperforms the market with respect to a relative TSR during the three-year performance period (the “Performance Period”) as described on the following page. OPP units, if earned, become convertible into Class A units of the Operating Partnership (and ultimately into Vornado common shares) following vesting. 2020 OPP On March 30, 2020, the Committee approved the 2020 OPP, a multi-year, $35,000,000 performance-based equity compensation plan of which $32,930,000 was granted to senior executives. The fair value of the 2020 OPP granted was $11,686,000, of which $7,583,000 was immediately expensed due to the acceleration of vesting for employees who are retirement eligible (have reached age 65 or age 60 with at least 20 years of service). The remaining $4,103,000 is being amortized into expense over a five-year period from the date of grant using a graded vesting attribution model. 15. Stock-based Compensation – continued OPPs - continued 2020 OPP - continued Awards under the 2020 OPP may potentially be earned if Vornado (i) achieves a TSR above a benchmark weighted index (the “Index”) comprised 80% of the SNL US Office REIT Index and 20% of the SNL US Retail Index over the Performance Period (the “2020 OPP Relative Component”), and/or (ii) achieves a TSR greater than 21% over the Performance Period (the “2020 OPP Absolute Component”). The value of awards under the 2020 OPP Relative Component and 2020 OPP Absolute Component will be calculated separately and will each be subject to an aggregate $35,000,000 maximum award cap for all participants. The two components will be added together to determine the aggregate award size, which shall also be subject to the aggregate $35,000,000 maximum award cap for all participants. In the event awards are earned under the 2020 OPP Absolute Component, but Vornado underperforms the Index by more than 200 basis points per annum over the Performance Period (600 basis points over the three years), the amount earned under the 2020 OPP Absolute Component will be reduced based on the degree by which the Index exceeds Vornado’s TSR with the maximum payout being 50% under the 2020 OPP Absolute Component. In the event awards are earned under the 2020 OPP Relative Component, but Vornado fails to achieve a TSR of at least 2% per annum, awards earned under the 2020 OPP Relative Component will be reduced on a ratable sliding scale based on Vornado’s absolute TSR performance, with awards earned under the 2020 OPP Relative Component being reduced by a maximum of 50% in the event Vornado’s TSR during the applicable measurement period is 0% or negative. If the designated performance objectives are achieved, awards earned under the 2020 OPP will vest ratably in each of years three, four and five. In addition, all of Vornado’s Named Executive Officers (as defined in Vornado’s Proxy Statement filed on Schedule 14A with the Securities and Exchange Commission on April 3, 2020) are required to hold any earned and vested awards for one year following each such vesting date. Dividends on awards granted under the 2020 OPP accrue during the Performance Period and are paid to participants if awards are ultimately earned based on the achievement of the designated performance objectives. 2018 OPP Awards under the 2018 OPP may be earned if Vornado (i) achieves a TSR level greater than 21% over the Performance Period (the “2018 OPP Absolute Component”) and/or (ii) achieves a TSR above a benchmark weighted index comprised of 70% of the SNL US Office REIT Index and 30% of the SNL US Retail Index over the Performance Period (the “2018 OPP Relative Component”). The value of awards under the 2018 OPP Relative Component and 2018 OPP Absolute Component will be calculated separately and will each be subject to an aggregate $35,000,000 maximum award cap for all participants. The two components will be added together to determine the aggregate award size, which shall also be subject to the aggregate $35,000,000 maximum award cap for all participants. In the event awards are earned under the 2018 OPP Absolute Component, but Vornado underperforms the index by more than 200 basis points per annum over the Performance Period (600 basis points over the three years), the amount earned under the 2018 OPP Absolute Component will be reduced (and potentially fully negated) based on the degree by which the index exceeds Vornado’s TSR. In the event these awards are earned under the 2018 OPP Relative Component, but Vornado fails to achieve a TSR of at least 3% per annum, awards earned under the 2018 OPP Relative Component will be reduced on a ratable sliding scale based on Vornado’s absolute TSR performance, with awards earned under the 2018 OPP Relative Component being reduced by a maximum of 50% in the event Vornado’s TSR during the applicable measurement period is 0% or negative. If the designated performance objectives are achieved, awards under the 2018 OPP will vest ratably in each of years three, four and five. In addition, all of Vornado’s Named Executive Officers (as defined in Vornado’s Proxy Statement filed on Schedule 14A with the Securities and Exchange Commission on April 5, 2019) are required to hold any earned and vested awards for one year following each such vesting date. Dividends on awards granted under the 2018 OPP accrue during the Performance Period and are paid to participants if awards are ultimately earned based on the achievement of the designated performance objectives. Below is the summary of the OPP units granted during the years December 31, 2020, 2018 and 2017. Plan Year Total Plan Percentage of Notional Grant Date Fair Value (1) OPP Units Earned 2020 $ 35,000,000 94.0 % $ 11,700,000 To be determined in 2023 2018 35,000,000 78.2 % 10,300,000 To be determined in 2021 2017 35,000,000 86.6 % 10,800,000 Not earned ________________________________________ (1) During the years ended December 31, 2020 and 2018, $7,583,000 and $8,040,000, respectively, was immediately expensed on the respective grant date due to acceleration of vesting for employees who are retirement eligible (have reached age 65 or age 60 with at least 20 years of service). 15. Stock-based Compensation – continued Vornado Stock Options Vornado stock options are granted at an exercise price equal to the average of the high and low market price of Vornado’s common shares on the NYSE on the date of grant, generally vest over 4 years and expire 10 years from the date of grant. Compensation expense related to Vornado stock option awards is recognized on a straight-line basis over the vesting period. Below is a summary of Vornado’s stock option activity for the year ended December 31, 2020. Shares Weighted- Weighted- Aggregate Outstanding as of December 31, 2019 1,768,877 $ 57.39 Granted 70,581 52.35 Exercised (68,782) 51.12 Forfeited (4,474) 65.63 Expired (1,000,565) 51.77 Outstanding as of December 31, 2020 765,637 $ 64.79 1.92 $ 20,794 Options exercisable as of December 31, 2020 658,807 $ 65.84 0.86 $ 1,288 The fair value of each option grant is estimated on the date of grant using an option-pricing model with the following weighted-average assumptions for grants in the years ended December 31, 2020, 2019 and 2018. As of December 31, 2020 2019 2018 Expected volatility 35% - 36% 35% 35% Expected life 5.0 years 5.0 years 5.0 years Risk free interest rate 0.57% - 1.76% 2.50% 2.25% Expected dividend yield 3.2% - 3.4% 2.9% 2.9% The weighted average grant date fair value per share for options granted during the years ended December 31, 2020, 2019 and 2018 was $12.28, $16.64 and $18.42, respectively. Cash received from option exercises for the years ended December 31, 2020, 2019 and 2018 was $3,516,000, $5,495,000 and $5,927,000, respectively. The total intrinsic value of options exercised during the years ended December 31, 2020, 2019 and 2018 was $859,000, $18,954,000 and $25,820,000, respectively. Performance Conditioned AO LTIP Units Performance Conditioned AO LTIP Units are AO LTIP Units that require the achievement of certain performance conditions by a specified date or they are forfeited. The performance-based condition is met if Vornado common shares trade at or above 110% of the grant price per share for any 20 consecutive days on or before the fourth anniversary following the date of grant. If the performance conditions are not met, the awards are forfeited. If the performance conditions are met, once vested, the awards may be converted into Class A Operating Partnership units in the same manner as AO LTIP Units until ten years from the date of grant. Below is a summary of Performance Conditioned AO LTIP Units activity for the year ended December 31, 2020. Units Weighted-Average Weighted- Aggregate Outstanding as of December 31, 2019 496,762 $ 62.62 Outstanding as of December 31, 2020 496,762 $ 62.62 8.04 $ — Options exercisable at December 31, 2020 235,089 $ 62.62 8.04 $ — Performance Conditioned AO LTIP Units granted during the year ended December 31, 2019 had a grant price of $64.48 and fair value of $8,983,000. The fair value of each Performance Conditioned AO LTIP Units granted is estimated on the date of grant using an option-pricing model with the following weighted average assumptions for grants in the year ended December 31, 2019. As of December 31, 2019 Expected volatility 35% Expected life 8.0 years Risk free interest rate 2.76% Expected dividend yield 3.1% 15. Stock-based Compensation - continued AO LTIP Units AO LTIP Units are a class of partnership interests in the Operating Partnership that are intended to qualify as “profits interests” for federal income tax purposes and generally only allow the recipient to realize value to the extent the fair market value of a Vornado common share exceeds the threshold level set at the time the AO LTIP Units are granted, subject to any vesting conditions applicable to the award. The threshold level is intended to be equal to 100% of the then fair market value of a Vornado common share on the date of grant. The value of vested AO LTIP Units is realized through conversion of the AO LTIP Units into Class A Operating Partnership units. The number of Class A Units into which vested AO LTIP Units may be converted is determined based on the quotient of (i) the excess of the conversion value on the conversion date over the threshold value designated at the time the AO LTIP Unit was granted, divided by (ii) the conversion value on the conversion date. The “conversion value” is the value of a Vornado common share on the conversion date multiplied by the Conversion Factor as defined in the Partnership Agreement, which is currently one. AO LTIP Units have a term of 10 years from the grant date. Each holder will generally receive special income allocations in respect of an AO LTIP Unit equal to 10% (or such other percentage specified in the applicable award agreement) of the income allocated in respect of a Class A Unit. Upon conversion of AO LTIP Units to Class A Units, holders will be entitled to receive in respect of each such AO LTIP Unit, on a per unit basis, a special distribution equal to 10% (or such other percentage specified in the applicable award agreement) of the distributions received by a holder of an equivalent number of Class A Units during the period from the grant date of the AO LTIP Units through the date of conversion. Below is a summary of AO LTIP Units activity for the year ended December 31, 2020. Shares Weighted- Weighted- Aggregate Outstanding as of December 31, 2019 383,983 $ 66.23 Granted 342,924 52.40 Forfeited (7,454) 57.23 Expired (1,872) 67.55 Outstanding as of December 31, 2020 717,581 $ 59.71 7.30 $ 100,619 Options exercisable as of December 31, 2020 216,646 $ 63.94 4.47 $ 14,187 AO LTIP Units granted during the years ended December 31, 2020, 2019 and 2018 had a fair value of $4,319,000, $3,429,000 and $3,484,000, respectively. The fair value of each AO LTIP Units granted is estimated on the date of grant using an option-pricing model with the following weighted-average assumptions for grants in the years ended December 31, 2020, 2019 and 2018. As of December 31, 2020 2019 2018 Expected volatility 35% - 36% 35% 35% Expected life 5.0 years 5.0 years 5.0 years Risk free interest rate 0.57% - 1.76% 2.50% 2.25% Expected dividend yield 3.2% - 3.4% 2.9% 2.9% OP Units OP Units are granted at the average of the high and low market price of Vornado’s common shares on the NYSE on the date of grant, vest ratably over four years and are subject to a taxable book-up event, as defined. Compensation expense related to OP Units is recognized ratably over the vesting period using a graded vesting attribution model. Distributions paid on unvested OP Units are charged to “net loss (income) attributable to noncontrolling interests in the Operating Partnership” on Vornado’s consolidated statements of income and to “preferred unit distributions” on the Operating Partnership’s consolidated statements of income and amounted to $5,316,000, $4,070,000 and $2,559,000 in the years ended December 31, 2020, 2019 and 2018, respectively. 15. Stock-based Compensation - continued OP Units - continued Below is a summary of restricted OP unit activity for the year ended December 31, 2020. Unvested Units Units Weighted-Average Unvested as of December 31, 2019 1,148,313 $ 59.21 Granted 530,597 33.95 Vested (516,805) 47.16 Forfeited (9,687) 35.86 Unvested as of December 31, 2020 1,152,418 53.17 OP Units granted in 2020, 2019 and 2018 had a fair value of $18,013,000, $58,732,000 and $17,463,000, respectively. The fair value of OP Units that vested during the years ended December 31, 2020, 2019 and 2018 was $24,373,000, $27,821,000 and $18,037,000, respectively. Vornado Restricted Stock Vornado restricted stock awards are granted at the average of the high and low market price of Vornado’s common shares on the NYSE on the date of grant and generally vest over four years. Compensation expense related to Vornado’s restricted stock awards is recognized on a straight-line basis over the vesting period. Dividends paid on unvested Vornado restricted stock are charged directly to retained earnings and amounted to $98,000, $51,000 and $44,000 for the years ended December 31, 2020, 2019 and 2018, respectively. Below is a summary of Vornado’s restricted stock activity for the year ended December 31, 2020. Unvested Shares Shares Weighted-Average Unvested as of December 31, 2019 18,927 $ 70.96 Granted 16,003 53.29 Vested (8,526) 70.60 Forfeited (1,089) 67.51 Unvested as of December 31, 2020 25,315 60.06 Vornado restricted stock awards granted in 2020, 2019 and 2018 had a fair value of $853,000, $568,000 and $623,000, respectively. The fair value of restricted stock that vested during the years ended December 31, 2020, 2019 and 2018 was $602,000, $477,000 and $492,000, respectively.

Impairment Losses and Transacti

Impairment Losses and Transaction Related Costs, Net	12 Months Ended
	Dec. 31, 2020
Transaction Related Costs, Impairment Losses and Other [Abstract]
Impairment Losses and Transaction Related Costs, Net	Impairment Losses and Transaction Related Costs, Net The following table sets forth the details of impairment losses and transaction related costs, net: (Amounts in thousands) For the Year Ended December 31, 2020 2019 2018 Real estate impairment losses (1) $ (236,286) $ (8,065) $ (12,000) 608 Fifth Avenue lease liability extinguishment gain in 2020 and impairment loss and related write-offs in 2019 (see following page for details) 70,260 (93,860) — Transaction related costs (8,001) (4,613) (6,217) Transfer Tax (2) — — (13,103) $ (174,027) $ (106,538) $ (31,320) ________________________________________ (1) See Note 14 - Fair Value Measurements for additional information. (2) Additional Transfer Tax recorded in the first quarter 2018 related to the acquisition of Independence Plaza. The joint venture, in which we have a 50.1% economic interest, that owns Independence Plaza recognized this expense based on the precedent established by the Tax Tribunal's decision regarding One Park Avenue (see Note 5 - Real Estate Fund Investments ). 16. Impairment Losses and Transaction Related Costs, Net - continued 608 Fifth Avenue During the second quarter of 2019, Arcadia Group US Ltd ("Arcadia Group"), the operator of Topshop, our retail tenant at 608 Fifth Avenue, filed for Chapter 15 bankruptcy protection in the United States. On June 28, 2019, Arcadia Group closed all of its stores in the United States. 608 Fifth Avenue was subject to a land and building lease which was set to expire in 2033. During the second quarter of 2019, we concluded that the carrying amount of the property was not recoverable and recognized a $93,860,000 non-cash impairment loss on our consolidated statements of income, of which $75,220,000 resulted from the impairment of our right-of-use asset. On May 20, 2020, we entered into an agreement with the land and building lessor at 608 Fifth Avenue to surrender the property. Per the terms of the agreement, we were released from our obligations under the lease and assigned all of our right, title and interest in the tenant leases of 608 Fifth Avenue to the land and building lessor. In connection therewith, we removed the lease liability from our consolidated balance sheets which resulted in a $70,260,000 gain recorded on our consolidated statements of income for the year ended December 31, 2020.

Interest and Other Investment (

Interest and Other Investment (Loss) Income, Net	12 Months Ended
	Dec. 31, 2020
Interest and Other Income [Abstract]
Interest and Other Investment (Loss) Income, Net	Interest and Other Investment (Loss) Income, Net The following table sets forth the details of our interest and other investment (loss) income, net: (Amounts in thousands) For the Year Ended December 31, 2020 2019 2018 (Decrease) increase in fair value of marketable securities: PREIT (1) $ (4,938) $ (21,649) $ — Lexington (2) — 16,068 (26,596) Other — 48 143 (4,938) (5,533) (26,453) Credit losses on loans receivable (3) (13,369) — — Interest on cash and cash equivalents and restricted cash 5,793 13,380 15,827 Interest on loans receivable 3,384 6,326 10,298 (4) Dividends on marketable securities — 3,938 13,339 Other, net 3,631 3,708 4,046 ______________ $ (5,499) $ 21,819 $ 17,057 (1) Sold on January 23, 2020 (see page 91 for details). (2) Sold on March 1, 2019. (3) See Note 3 - Basis of Presentation and Significant Accounting Policies and Note 14 - Fair Value Measurements for additional information. (4) Includes $6,707 of profit participation in connection with an investment in a mezzanine loan which was previously repaid to us.

Interest and Debt Expense

Interest and Debt Expense	12 Months Ended
	Dec. 31, 2020
Interest and Debt Expense [Abstract]
Interest And Debt Expense	Interest and Debt Expense The following table sets forth the details of interest and debt expense: (Amounts in thousands) For the Year Ended December 31, 2020 2019 2018 Interest expense (1) $ 251,847 $ 335,016 $ 389,136 Capitalized interest and debt expense (41,056) (72,200) (73,166) Amortization of deferred financing costs 18,460 23,807 31,979 _______________ $ 229,251 $ 286,623 $ 347,949 (1) 2019 includes $22,540 of debt prepayment costs in connection with the redemption of $400,000 5.00% senior unsecured notes which were scheduled to mature in January 2022.

(Loss) Income Per Share _(Loss)

(Loss) Income Per Share /(Loss) Income Per Class A Unit	12 Months Ended
	Dec. 31, 2020
Earnings Per Share [Abstract]
(Loss) Income Per Share /(Loss) Income Per Class A Unit	(Loss) Income Per Share/(Loss) Income Per Class A Unit Vornado Realty Trust The following table presents the calculations of (i) basic (loss) income per common share which includes the weighted average number of common shares outstanding without regard to dilutive potential common shares and (ii) diluted (loss) income per common share which includes the weighted average common shares and dilutive share equivalents. Unvested share-based payment awards that contain nonforfeitable rights to dividends, whether paid or unpaid, are accounted for as participating securities. Earnings are allocated to participating securities, which include restricted stock awards, based on the two-class method. Other potential dilutive share equivalents such as our employee stock options, OP Units, OPPs, AO LTIP Units and Performance Conditioned AO LTIP Units are included in the computation of diluted Earnings Per Share ("EPS") using the treasury stock method, while the dilutive effect of our Series A convertible preferred shares is reflected in diluted EPS by application of the if-converted method. (Amounts in thousands, except per share amounts) For the Year Ended December 31, 2020 2019 2018 Numerator: (Loss) income from continuing operations, net of loss (income) attributable to noncontrolling interests $ (297,005) $ 3,147,965 $ 449,356 (Loss) income from discontinued operations — (28) 598 Net (loss) income attributable to Vornado (297,005) 3,147,937 449,954 Preferred share dividends (51,739) (50,131) (50,636) Preferred share issuance costs — — (14,486) Net (loss) income attributable to common shareholders (348,744) 3,097,806 384,832 Earnings allocated to unvested participating securities (99) (309) (44) Numerator for basic (loss) income per share (348,843) 3,097,497 384,788 Impact of assumed conversions: Convertible preferred share dividends — 57 62 Earnings allocated to Out-Performance Plan units — 9 174 Numerator for diluted (loss) income per share $ (348,843) $ 3,097,563 $ 385,024 Denominator: Denominator for basic (loss) income per share – weighted average shares 191,146 190,801 190,219 Effect of dilutive securities (1) : Employee stock options and restricted stock awards — 216 933 Convertible preferred shares — 34 37 Out-Performance Plan units — 2 101 Denominator for diluted (loss) income per share – weighted average shares and assumed conversions 191,146 191,053 191,290 (LOSS) INCOME PER COMMON SHARE - BASIC: Net (loss) income per common share $ (1.83) $ 16.23 $ 2.02 (LOSS) INCOME PER COMMON SHARE - DILUTED: Net (loss) income per common share $ (1.83) $ 16.21 $ 2.01 ________________________________________ (1) The effect of dilutive securities excluded an aggregate of 14,007, 13,020 and 12,232 weighted average common share equivalents in the years ended December 31, 2020, 2019 and 2018, respectively, as their effect was anti-dilutive. 19. (Loss) Income Per Share/(Loss) Income Per Class A Unit – continued Vornado Realty L.P. The following table presents the calculations of (i) basic (loss) income per Class A unit which includes the weighted average number of Class A units outstanding without regard to dilutive potential Class A units and (ii) diluted (loss) income per Class A unit which includes the weighted average Class A unit and dilutive Class A unit equivalents. Unvested share-based payment awards that contain non-forfeitable rights to dividends, whether paid or unpaid, are accounted for as participating securities. Earnings are allocated to participating securities, which include Vornado restricted stock awards, OP Units and OPPs, based on the two-class method. Other potential dilutive unit equivalents such as Vornado stock options, AO LTIP Units and Performance Conditioned AO LTIP Units are included in the computation of diluted income per unit ("EPU") using the treasury stock method, while the dilutive effect of our Series A convertible preferred units is reflected in diluted EPU by application of the if-converted method. (Amounts in thousands, except per unit amounts) For the Year Ended December 31, 2020 2019 2018 Numerator: (Loss) income from continuing operations, net of loss attributable to noncontrolling interests in consolidated subsidiaries $ (321,951) $ 3,358,839 $ 474,988 (Loss) income from discontinued operations — (30) 638 Net (loss) income attributable to Vornado Realty L.P. (321,951) 3,358,809 475,626 Preferred unit distributions (51,904) (50,296) (50,830) Preferred unit issuance costs — — (14,486) Net (loss) income attributable to Class A unitholders (373,855) 3,308,513 410,310 Earnings allocated to unvested participating securities (5,417) (17,296) (2,973) Numerator for basic (loss) income per Class A unit (379,272) 3,291,217 407,337 Impact of assumed conversions: Convertible preferred unit distributions — 57 62 Numerator for diluted (loss) income per Class A unit $ (379,272) $ 3,291,274 $ 407,399 Denominator: Denominator for basic (loss) income per Class A unit – weighted average units 203,503 202,947 202,068 Effect of dilutive securities (1) : Vornado stock options, Vornado restricted stock awards, OP Units, AO LTIP Units and OPPs — 267 1,307 Convertible preferred units — 34 37 Denominator for diluted (loss) income per Class A unit – weighted average units and assumed conversions 203,503 203,248 203,412 (LOSS) INCOME PER CLASS A UNIT - BASIC: (Loss) income from continuing operations, net $ (1.86) $ 16.22 $ 2.01 Income from discontinued operations, net — — 0.01 Net (loss) income per Class A unit $ (1.86) $ 16.22 $ 2.02 (LOSS) INCOME PER CLASS A UNIT - DILUTED: Net (loss) income per Class A unit $ (1.86) $ 16.19 $ 2.00 ________________________________________ (1) The effect of dilutive securities excluded an aggregate of 1,650, 825 and 110 weighted average Class A unit equivalents in the years ended December 31, 2020, 2019 and 2018 respectively, as their effect was anti-dilutive.

Leases

Leases	12 Months Ended
	Dec. 31, 2020
Leases [Abstract]
Leases	Leases As lessor We lease space to tenants under operating leases. Most of the leases provide for the payment of fixed base rent payable monthly in advance. Office building leases generally require tenants to reimburse us for operating costs and real estate taxes above their base year costs. Certain leases provide for pass-through to tenants for their share of real estate taxes, insurance and common area maintenance. Certain leases also require additional variable rent payments based on a percentage of the tenants’ sales. As of December 31, 2020, future undiscounted cash flows under non-cancelable operating leases were as follows: (Amounts in thousands) As of December 31, 2020 For the year ended December 31, 2021 $ 1,230,675 2022 1,227,742 2023 1,161,730 2024 995,588 2025 876,497 Thereafter 5,090,824 As lessee We have a number of ground leases which are classified as operating leases. As of December 31, 2020, our ROU assets and lease liabilities were $367,365,000 and $401,008,000, respectively. As of December 31, 2019, our ROU assets and lease liabilities were $379,546,000 and $498,254,000, respectively. The discount rate applied to measure each ROU asset and lease liability is based on our incremental borrowing rate ("IBR"). We consider the general economic environment and our credit rating and factor in various financing and asset specific adjustments to ensure the IBR is appropriate to the intended use of the underlying lease. Certain of our ground leases offer renewal options which we assess against relevant economic factors to determine whether we are reasonably certain of exercising or not exercising the option. Lease payments associated with renewal periods that we are reasonably certain will be exercised are included in the measurement of the lease liability and corresponding ROU asset. Certain of our ground leases are subject to fair market rent resets based on a percentage of the appraised value of the underlying assets at specified future dates. Fair market rent resets do not give rise to remeasurement of the related ROU assets and lease liabilities. Fair market rent resets, which may be material, will be recognized in the periods in which they are incurred. The following table sets forth information related to the measurement of our lease liabilities as of December 31, 2020 and 2019: (Amounts in thousands) For the Year Ended December 31, 2020 2019 Weighted average remaining lease term (in years) 44.8 40.2 Weighted average discount rate 4.91 % 4.84 % Cash paid for operating leases $ 23,932 $ 27,817 We recognize rent expense as a component of "operating" expenses on our consolidated statements of income. Rent expense is comprised of fixed and variable lease payments. Variable lease payments include percentage rent and rent resets based on an index or rate. The following table sets forth the details of rent expense for the years ended December 31, 2020 and 2019: (Amounts in thousands) For the Year Ended December 31, 2020 2019 Fixed rent expense $ 28,503 $ 33,738 Variable rent expense 1,178 1,978 Rent expense $ 29,681 $ 35,716 As of December 31, 2020, future lease payments under operating ground leases were as follows: (Amounts in thousands) As of December 31, 2020 For the year ended December 31, 2021 $ 22,010 2022 23,669 2023 24,002 2024 24,354 2025 24,722 Thereafter 926,139 Total undiscounted cash flows 1,044,896 Present value discount (643,888) Lease liabilities $ 401,008 20. Leases - continued As lessee - continued Farley Office and Retail The future lease payments detailed on the previous page exclude the ground and building lease at Farley Office and Retail. Our 95% consolidated joint venture which is developing Farley Office and Retail has a 99-year triple-net lease with Empire State Development ("ESD") for 844,000 rentable square feet of commercial space, comprised of approximately 730,000 square feet of office space and approximately 114,000 square feet of restaurant and retail space. The joint venture entered into a development agreement with ESD to build the adjacent Moynihan Train Hall and entered into a design-build contract with Skanska Moynihan Train Hall Builders ("Skanska"), pursuant to which they built Moynihan Train Hall. Skanska substantially completed construction on December 31, 2020, thereby fulfilling this obligation to ESD. The joint venture leased the entire property during the construction period and pursuant to ASC 842-40-55, was required to recognize all development expenditures for Moynihan Train Hall. Accordingly, the development expenditures paid for by governmental agencies were presented as “Moynihan Train Hall development expenditures” with a corresponding obligation recorded to “Moynihan Train Hall Obligation” on our consolidated balance sheets. On December 31, 2020, upon substantial completion of Moynihan Train Hall, the portions of the property not pertaining to our commercial space were severed from the joint venture's lease with ESD and we removed the "Moynihan Train Hall development expenditures" and the offsetting “Moynihan Train Hall obligation” from our consolidated balance sheets. Our lease of the commercial space at the property is accounted for as a “failed sale-leaseback” as a result of the lease meeting "finance lease" classification pursuant to ASC 842-40-25. The lease calls for annual rent payments of $5,000,000 plus fixed payments in lieu of real estate taxes ("PILOT") through June 2030. Following the fixed PILOT payment period, the PILOT is calculated in a manner consistent with buildings subject to New York City real estate taxes and assessments. As of December 31, 2020, future rent and fixed PILOT payments are $549,861,000.

Multiemployer Benefit Plans

Multiemployer Benefit Plans	12 Months Ended
	Dec. 31, 2020
Multiemployer Plan, Pension, Significant [Abstract]
Multiemployer Benefit Plans	Multiemployer Benefit Plans Our subsidiaries make contributions to certain multiemployer defined benefit plans (“Multiemployer Pension Plans”) and health plans (“Multiemployer Health Plans”) for our union represented employees, pursuant to the respective collective bargaining agreements. Multiemployer Pension Plans Multiemployer Pension Plans differ from single-employer pension plans in that (i) contributions to multiemployer plans may be used to provide benefits to employees of other participating employers and (ii) if other participating employers fail to make their contributions, each of our participating subsidiaries may be required to bear its then pro rata share of unfunded obligations. If a participating subsidiary withdraws from a plan in which it participates, it may be subject to a withdrawal liability. As of December 31, 2020, our subsidiaries’ participation in these plans was not significant to our consolidated financial statements. In the years ended December 31, 2020, 2019 and 2018, we contributed $7,049,000, $10,793,000 and $10,377,000, respectively, towards Multiemployer Pension Plans, which is included as a component of “operating” expenses on our consolidated statements of income. Our subsidiaries’ contributions did not represent more than 5% of total employer contributions in any of these plans for the years ended December 31, 2020, 2019 and 2018. Multiemployer Health Plans Multiemployer Health Plans in which our subsidiaries participate provide health benefits to eligible active and retired employees. In the years ended December 31, 2020, 2019 and 2018, our subsidiaries contributed $26,938,000, $32,407,000 and $30,354,000, respectively, towards these plans, which is included as a component of “operating” expenses on our consolidated statements of income.

Commitments and Contingencies

Commitments and Contingencies	12 Months Ended
	Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies Insurance For our properties (except Farley), we maintain general liability insurance with limits of $300,000,000 per occurrence and per property, of which $235,000,000 includes communicable disease coverage, and we maintain all risk property and rental value insurance with limits of $2.0 billion per occurrence, with sub-limits for certain perils such as flood and earthquake and effective February 15, 2021, excluding communicable disease coverage. For the period February 15, 2020 through February 14, 2021, we and the insurance carriers for our all risk property policy have disagreements as to the applicability of a $2,300,000 sub-limit for communicable disease coverage across our properties. Our California properties have earthquake insurance with coverage of $350,000,000 per occurrence and in the aggregate, subject to a deductible in the amount of 5% of the value of the affected property. We maintain coverage for certified terrorism acts with limits of $6.0 billion per occurrence and in the aggregate (as listed below), $1.2 billion for non-certified acts of terrorism, and $5.0 billion per occurrence and in the aggregate for terrorism involving nuclear, biological, chemical and radiological (“NBCR”) terrorism events, as defined by the Terrorism Risk Insurance Act of 2002, as amended to date and which has been extended through December 2027. Penn Plaza Insurance Company, LLC (“PPIC”), our wholly owned consolidated subsidiary, acts as a re-insurer with respect to a portion of all risk property and rental value insurance and a portion of our earthquake insurance coverage, and as a direct insurer for coverage for acts of terrorism including NBCR acts. Coverage for acts of terrorism (excluding NBCR acts) is fully reinsured by third party insurance companies and the Federal government with no exposure to PPIC. For NBCR acts, PPIC is responsible for a deductible of $1,759,257 and 20% of the balance of a covered loss and the Federal government is responsible for the remaining portion of a covered loss. We are ultimately responsible for any loss incurred by PPIC. For Farley, we maintain general liability insurance with limits of $100,000,000 per occurrence, and builder’s risk insurance including coverage for existing property and development activities of $2.8 billion per occurrence and in the aggregate. We maintain coverage for certified and non-certified terrorism acts with limits of $1.85 billion and $1.17 billion per occurrence, respectively, and in the aggregate. We continue to monitor the state of the insurance market and the scope and costs of coverage for acts of terrorism and other events. However, we cannot anticipate what coverage will be available on commercially reasonable terms in the future. We are responsible for uninsured losses and for deductibles and losses in excess of our insurance coverage, which could be material. Our debt instruments, consisting of mortgage loans secured by our properties, senior unsecured notes and revolving credit agreements contain customary covenants requiring us to maintain insurance. Although we believe that we have adequate insurance coverage for purposes of these agreements, we may not be able to obtain an equivalent amount of coverage at reasonable costs in the future. Further, if lenders insist on greater coverage than we are able to obtain it could adversely affect our ability to finance or refinance our properties and expand our portfolio. Other Commitments and Contingencies We are from time to time involved in legal actions arising in the ordinary course of business. In our opinion, after consultation with legal counsel, the outcome of such matters is not currently expected to have a material adverse effect on our financial position, results of operations or cash flows. Each of our properties has been subjected to varying degrees of environmental assessment at various times. The environmental assessments did not reveal any material environmental contamination. However, there can be no assurance that the identification of new areas of contamination, changes in the extent or known scope of contamination, the discovery of additional sites, or changes in cleanup requirements would not result in significant costs to us. In July 2018, we leased 78,000 square feet at 345 Montgomery Street in San Francisco, CA, to a subsidiary of Regus PLC, for an initial term of 15 years. The obligations under the lease were guaranteed by Regus PLC in an amount of up to $90,000,000. The tenant purported to terminate the lease prior to space delivery. We commenced a suit on October 23, 2019 seeking to enforce the lease and the guaranty. In December 2020, following a trial, the court issued a tentative ruling in our favor. A final hearing was held on February 1, 2021 and we are awaiting a definitive ruling. On October 9, 2020, the successor to Regus PLC filed for bankruptcy in Luxembourg. We are actively pursuing claims relating to the guaranty against the successor to Regus PLC and its parent, in Luxembourg and other jurisdictions. 22. Commitments and Contingencies – continued Other Commitments and Contingencies - continued In November 2011, we entered into an agreement with the New York City Economic Development Corporation ("EDC") to lease Piers 92 and 94 (the "Piers") for a 49-year term with five 10-year renewal options. The non-recourse lease with a single-purpose entity calls for current annual rent payments of $2,000,000 with fixed rent steps through the initial term. We operate trade shows and special events at the Piers (and sublease to others for the same uses). In February 2019, an inspection revealed that the piles supporting Pier 92 were structurally unsound (an obligation of EDC to maintain) and we were issued an order by EDC to vacate the property. We continued to make the required lease payments through February 2020, with no abatement provided by EDC for the loss of our right to use Pier 92 or reimbursement for lost revenues. Beginning March 2020, as no resolution had been reached with EDC, we have not paid the monthly rents due under the non-recourse lease. As of December 31, 2020, we have a $47,473,000 lease liability and a $34,482,000 right-of-use asset recorded for this lease. Our mortgage loans are non-recourse to us, except for the mortgage loans secured by 640 Fifth Avenue, 7 West 34th Street and 435 Seventh Avenue, which we guaranteed and therefore are part of our tax basis. In certain cases we have provided guarantees or master leased tenant space. These guarantees and master leases terminate either upon the satisfaction of specified circumstances or repayment of the underlying loans. In addition, we have guaranteed the rent and payments in lieu of real estate taxes due to ESD, an entity of New York State, for Farley Office and Retail. As of December 31, 2020, the aggregate dollar amount of these guarantees and master leases is approximately $1,769,000,000. As of December 31, 2020, $13,549,000 of letters of credit were outstanding under one of our unsecured revolving credit facilities. Our unsecured revolving credit facilities contain financial covenants that require us to maintain minimum interest coverage and maximum debt to market capitalization ratios, and provide for higher interest rates in the event of a decline in our ratings below Baa3/BBB. Our unsecured revolving credit facilities also contain customary conditions precedent to borrowing, including representations and warranties, and also contain customary events of default that could give rise to accelerated repayment, including such items as failure to pay interest or principal. Our 95% consolidated joint venture (5% is owned by the Related Companies ("Related")) is developing Farley Office and Retail. In connection with the development of the property, the joint venture took in a historic tax credit investor partner. Under the terms of the historic tax credit arrangement, the joint venture is required to comply with various laws, regulations, and contractual provisions. Non-compliance with applicable requirements could result in projected tax benefits not being realized and, therefore, may require a refund or reduction of the Tax Credit Investor’s capital contributions. As of December 31, 2020, the Tax Credit Investor has made $92,400,000 in capital contributions. Vornado and Related have guaranteed certain of the joint venture’s obligations to the Tax Credit Investor. As investment manager of the Fund we are entitled to an incentive allocation after the limited partners have received a preferred return on their invested capital. The incentive allocation is subject to catch-up and clawback provisions. Accordingly, based on the December 31, 2020 fair value of the Fund assets, at liquidation we would be required to make a $29,800,000 payment to the limited partners, net of amounts owed to us, representing a clawback of previously paid incentive allocations, which would have no income statement impact as it was previously accrued. As of December 31, 2020, we expect to fund additional capital to certain of our partially owned entities aggregating approximately $10,700,000. As of December 31, 2020, we have construction commitments aggregating approximately $451,000,000.

Related Party Transactions

Related Party Transactions	12 Months Ended
	Dec. 31, 2020
Related Party Transactions [Abstract]
Related Party Transactions	Related Party Transactions Alexander’s, Inc. We own 32.4% of Alexander’s. Steven Roth, the Chairman of Vornado’s Board of Trustee’s and its Chief Executive Officer, is also the Chairman of the Board of Directors and Chief Executive Officer of Alexander’s. We provide various services to Alexander’s in accordance with management, development and leasing agreements. These agreements are described in Note 7 - Investments in Partially Owned Entities . Interstate Properties (“Interstate”) Interstate is a general partnership in which Mr. Roth is the managing general partner. David Mandelbaum and Russell B. Wight, Jr., Trustees of Vornado and Directors of Alexander’s, respectively, are Interstate’s two other general partners. As of December 31, 2020, Interstate and its partners beneficially owned an aggregate of approximately 7.0% of the common shares of beneficial interest of Vornado and 26.1% of Alexander’s common stock. 23. Related Party Transactions - continued Interstate - continued We manage and lease the real estate assets of Interstate pursuant to a management agreement for which we receive an annual fee equal to 4% of annual base rent and percentage rent. The management agreement has a term of one year and is automatically renewable unless terminated by either of the parties on 60 days’ notice at the end of the term. We believe, based upon comparable fees charged by other real estate companies, that the management agreement terms are fair to us. We earned $203,000, $300,000, and $453,000 of management fees under the agreement for the years ended December 31, 2020, 2019 and 2018, respectively. Fifth Avenue and Times Square JV We provide various services to Fifth Avenue and Times Square JV in accordance with management, development, leasing and other agreements. These agreements are described in Note 7 - Investments in Partially Owned Entities . Haim Chera, Executive Vice President - Head of Retail, has an investment in Crown, a company controlled by Mr. Chera's family. Crown has a nominal minority interest in Fifth Avenue and Times Square JV. Additionally, we have other investments with Crown.

Segment Information

Segment Information	12 Months Ended
	Dec. 31, 2020
Segment Reporting [Abstract]
Segment Information	Segment Information We operate in two reportable segments, New York and Other, which is based on how we manage our business. Net operating income ("NOI") at share represents total revenues less operating expenses including our share of partially owned entities. NOI at share - cash basis represents NOI at share adjusted to exclude straight-line rental income and expense, amortization of acquired below and above market leases, net and other non-cash adjustments. We consider NOI at share - cash basis to be the primary non-GAAP financial measure for making decisions and assessing the unlevered performance of our segments as it relates to the total return on assets as opposed to the levered return on equity. As properties are bought and sold based on NOI at share - cash basis, we utilize this measure to make investment decisions as well as to compare the performance of our assets to that of our peers. NOI at share and NOI at share - cash basis should not be considered alternatives to net income or cash flow from operations and may not be comparable to similarly titled measures employed by other companies. NOI at share - cash basis includes rent that has been deferred as a result of the COVID-19 pandemic. Rent deferrals generally require repayment in monthly installments over a period of time not to exceed twelve months. Below is a reconciliation of net (loss) income to NOI at share and NOI at share - cash basis for the years ended December 31, 2020, 2019 and 2018. (Amounts in thousands) For the Year Ended December 31, 2020 2019 2018 Net (loss) income $ (461,845) $ 3,334,262 $ 422,603 Depreciation and amortization expense 399,695 419,107 446,570 General and administrative expense 181,509 169,920 141,871 Impairment losses and transaction related costs, net 174,027 106,538 31,320 Loss (income) from partially owned entities 329,112 (78,865) (9,149) Loss from real estate fund investments 226,327 104,082 89,231 Interest and other investment loss (income), net 5,499 (21,819) (17,057) Interest and debt expense 229,251 286,623 347,949 Net gain on transfer to Fifth Avenue and Times Square JV — (2,571,099) — Purchase price fair value adjustment — — (44,060) Net gains on disposition of wholly owned and partially owned assets (381,320) (845,499) (246,031) Income tax expense 36,630 103,439 37,633 Loss (income) from discontinued operations — 30 (638) NOI from partially owned entities 306,495 322,390 253,564 NOI attributable to noncontrolling interests in consolidated subsidiaries (72,801) (69,332) (71,186) NOI at share 972,579 1,259,777 1,382,620 Non cash adjustments for straight-line rents, amortization of acquired below-market leases, net and other 46,246 (6,060) (44,704) NOI at share - cash basis $ 1,018,825 $ 1,253,717 $ 1,337,916 24. Segment Information - continued Below is a summary of NOI at share, NOI at share - cash basis and selected balance sheet data by segment for the years ended December 31, 2020, 2019 and 2018. (Amounts in thousands) For the Year Ended December 31, 2020 Total New York Other Total revenues $ 1,527,951 $ 1,221,748 $ 306,203 Operating expenses (789,066) (640,531) (148,535) NOI - consolidated 738,885 581,217 157,668 Deduct: NOI attributable to noncontrolling interests in consolidated subsidiaries (72,801) (43,773) (29,028) Add: NOI from partially owned entities 306,495 296,447 10,048 NOI at share 972,579 833,891 138,688 Non-cash adjustments for straight-line rents, amortization of acquired below-market leases, net and other 46,246 36,715 9,531 NOI at share - cash basis $ 1,018,825 $ 870,606 $ 148,219 Balance Sheet Data: Real estate, at cost $ 12,087,943 $ 9,581,830 $ 2,506,113 Investments in partially owned entities 3,491,107 3,459,142 31,965 Total assets 16,221,822 15,046,469 1,175,353 (Amounts in thousands) For the Year Ended December 31, 2019 Total New York Other Total revenues $ 1,924,700 $ 1,577,860 $ 346,840 Operating expenses (917,981) (758,304) (159,677) NOI - consolidated 1,006,719 819,556 187,163 Deduct: NOI attributable to noncontrolling interests in consolidated subsidiaries (69,332) (40,896) (28,436) Add: NOI from partially owned entities 322,390 294,168 28,222 NOI at share 1,259,777 1,072,828 186,949 Non-cash adjustments for straight-line rents, amortization of acquired below-market leases, net and other (6,060) (12,318) 6,258 NOI at share - cash basis $ 1,253,717 $ 1,060,510 $ 193,207 Balance Sheet Data: Real estate, at cost $ 13,074,012 $ 10,272,458 $ 2,801,554 Investments in partially owned entities 3,999,165 3,964,289 34,876 Total assets 18,287,013 16,429,159 1,857,854 (Amounts in thousands) For the Year Ended December 31, 2018 Total New York Other Total revenues $ 2,163,720 $ 1,836,036 $ 327,684 Operating expenses (963,478) (806,464) (157,014) NOI - consolidated 1,200,242 1,029,572 170,670 Deduct: NOI attributable to noncontrolling interests in consolidated subsidiaries (71,186) (48,490) (22,696) Add: NOI from partially owned entities 253,564 195,908 57,656 NOI at share 1,382,620 1,176,990 205,630 Non-cash adjustments for straight-line rents, amortization of acquired below-market leases, net and other (44,704) (45,427) 723 NOI at share - cash basis $ 1,337,916 $ 1,131,563 $ 206,353

SEC Schedule III Real Estate an

SEC Schedule III Real Estate and Accumulated Depreciation	12 Months Ended
	Dec. 31, 2020
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Abstract]
Schedule III Real Estate and Accumulated Depreciation	COLUMN A COLUMN B COLUMN C COLUMN D COLUMN E COLUMN F COLUMN G COLUMN H COLUMN I Encumbrances (1) Initial cost to company Costs Gross amount at which Accumulated Date of Date Life on which Land Buildings Land Buildings Total (2) New York Manhattan 1290 Avenue of the Americas $ 950,000 $ 518,244 $ 926,992 $ 256,937 $ 518,244 $ 1,183,929 $ 1,702,173 $ 406,087 1963 2007 (4) 350 Park Avenue 400,000 265,889 363,381 49,637 265,889 413,018 678,907 153,866 1960 2006 (4) PENN1 — — 412,169 490,803 — 902,972 902,972 336,852 1972 1998 (4) 100 West 33rd Street 398,402 242,776 247,970 42,188 242,776 290,158 532,934 105,705 1911 2007 (4) 150 West 34th Street 205,000 119,657 268,509 — 119,657 268,509 388,166 37,479 1900 2015 (4) PENN2 575,000 (5) 53,615 164,903 182,136 52,689 347,965 400,654 132,321 1968 1997 (4) 90 Park Avenue — 8,000 175,890 199,918 8,000 375,808 383,808 161,439 1964 1997 (4) Manhattan Mall 181,598 88,595 113,473 30,283 88,595 143,756 232,351 48,996 2009 2007 (4) 770 Broadway 700,000 52,898 95,686 186,666 52,898 282,352 335,250 112,718 1907 1998 (4) 888 Seventh Avenue 321,000 — 117,269 161,640 — 278,909 278,909 142,057 1980 1998 (4) PENN11 500,000 40,333 85,259 111,535 40,333 196,794 237,127 83,611 1923 1997 (4) 909 Third Avenue 350,000 — 120,723 122,005 — 242,728 242,728 114,831 1969 1999 (4) 150 East 58th Street — 39,303 80,216 54,863 39,303 135,079 174,382 68,764 1969 1998 (4) 595 Madison Avenue — 62,731 62,888 50,717 62,731 113,605 176,336 49,081 1968 1999 (4) 330 West 34th Street — — 8,599 147,945 — 156,544 156,544 40,849 1925 1998 (4) 828-850 Madison Avenue — 107,937 28,261 (89,293) 35,403 11,502 46,905 — 2005 (4) 715 Lexington Avenue — — 26,903 19,986 30,085 16,804 46,889 — 1923 2001 (4) 478-486 Broadway — 30,000 20,063 11,831 21,489 40,405 61,894 3,817 2009 2007 (4) 4 Union Square South 120,000 24,079 55,220 9,685 24,079 64,905 88,984 24,170 1965/2004 1993 (4) Farley Office and Retail — — 476,235 565,014 — 1,041,249 1,041,249 — 1912 2018 (4) 260 Eleventh Avenue — — 80,482 5,352 — 85,834 85,834 12,133 1911 2015 (4) 510 Fifth Avenue — 34,602 18,728 35,402 48,403 40,329 88,732 10,992 2010 (4) 606 Broadway 74,119 45,406 8,993 51,624 45,298 60,725 106,023 2,441 2016 (4) 40 Fulton Street — 15,732 26,388 38,625 15,732 65,013 80,745 22,147 1987 1998 (4) 443 Broadway — 11,187 41,186 (36,225) 3,457 12,691 16,148 — 2013 (4) 40 East 66th Street — 13,616 34,635 159 13,616 34,794 48,410 13,113 2005 (4) 155 Spring Street — 13,700 30,544 6,769 13,700 37,313 51,013 12,456 2007 (4) 435 Seventh Avenue 95,696 19,893 19,091 2,166 19,893 21,257 41,150 9,681 2002 1997 (4) 692 Broadway — 6,053 22,908 3,901 6,053 26,809 32,862 10,734 2005 (4) 131-135 West 33rd Street — 8,315 21,312 316 8,315 21,628 29,943 2,566 2016 (4) COLUMN A COLUMN B COLUMN C COLUMN D COLUMN E COLUMN F COLUMN G COLUMN H COLUMN I Encumbrances (1) Initial cost to company Costs Gross amount at which Accumulated Date of Date Life on which Land Buildings Land Buildings Total (2) New York - continued Manhattan - continued 304 Canal Street — $ 3,511 $ 12,905 $ (8,456) $ 1,771 $ 6,189 $ 7,960 $ — 1910 2014 (4) 677-679 Madison Avenue — 13,070 9,640 585 13,070 10,225 23,295 3,691 2006 (4) 1131 Third Avenue — 7,844 7,844 5,708 7,844 13,552 21,396 2,696 1997 (4) 431 Seventh Avenue — 16,700 2,751 — 16,700 2,751 19,451 946 2007 (4) 138-142 West 32nd Street — 9,252 9,936 1,720 9,252 11,656 20,908 1,504 1920 2015 (4) 334 Canal Street — 1,693 6,507 (1,170) 752 6,278 7,030 — 2011 (4) 966 Third Avenue — 8,869 3,631 — 8,869 3,631 12,500 666 2013 (4) 148 Spring Street — 3,200 8,112 398 3,200 8,510 11,710 2,718 2008 (4) 150 Spring Street — 3,200 5,822 309 3,200 6,131 9,331 1,945 2008 (4) 137 West 33rd Street — 6,398 1,550 — 6,398 1,550 7,948 223 1932 2015 (4) 825 Seventh Avenue — 1,483 697 3,341 1,483 4,038 5,521 575 1997 (4) 537 West 26th Street — 10,370 17,632 16,730 26,631 18,101 44,732 1,319 2018 (4) 339 Greenwich — 2,622 12,333 (10,019) 865 4,071 4,936 — 2017 (4) Other (Including Signage) — 140,477 31,892 36,832 94,788 114,413 209,201 19,942 Total Manhattan 4,870,815 2,051,250 4,286,128 2,758,563 1,971,461 7,124,480 9,095,941 2,155,131 Other Properties Hotel Pennsylvania, New York — 29,903 121,712 134,245 29,903 255,957 285,860 142,143 1919 1997 (4) 33-00 Northern Boulevard, Queens, 100,000 46,505 86,226 13,538 46,505 99,764 146,269 15,710 1915 2015 (4) Paramus, New Jersey — — — 23,311 1,036 22,275 23,311 18,313 1967 1987 (4) Total Other Properties 100,000 76,408 207,938 171,094 77,444 377,996 455,440 176,166 Total New York 4,970,815 2,127,658 4,494,066 2,929,657 2,048,905 7,502,476 9,551,381 2,331,297 COLUMN A COLUMN B COLUMN C COLUMN D COLUMN E COLUMN F COLUMN G COLUMN H COLUMN I Encumbrances (1) Initial cost to company Costs Gross amount at which Accumulated Date of Date Life on which Land Buildings Land Buildings Total (2) Other theMART theMART, Illinois $ 675,000 $ 64,528 $ 319,146 $ 414,122 $ 64,535 $ 733,261 $ 797,796 $ 348,404 1930 1998 (4) 527 West Kinzie, Illinois — 5,166 — 132 5,166 132 5,298 — 1998 (4) Piers 92 and 94, New York — — — 17,773 — 17,773 17,773 3,847 2008 (4) Total theMART 675,000 69,694 319,146 432,027 69,701 751,166 820,867 352,251 555 California Street, California 537,643 223,446 895,379 241,667 211,459 1,149,033 1,360,492 360,277 1922,1969 -1970 2007 (4) 220 Central Park South, New York — 115,720 16,445 (104,428) — 27,737 27,737 — 2005 (4) Borgata Land, Atlantic City, NJ — 83,089 — — 83,089 — 83,089 — 2010 40 East 66th Residential, New York — 8,454 13,321 (8,193) 5,273 8,309 13,582 2,882 2005 (4) 677-679 Madison Avenue, New York — 1,462 1,058 285 1,627 1,178 2,805 535 2006 (4) Annapolis, Maryland — — 9,652 — — 9,652 9,652 4,462 2005 (4) Wayne Towne Center, New Jersey — — 26,137 56,373 — 82,510 82,510 29,431 2010 (4) Other — — — 5,606 — 5,606 5,606 1,725 (4) Total Other 1,212,643 501,865 1,281,138 623,337 371,149 2,035,191 2,406,340 751,563 Leasehold improvements equipment and other — — — 130,222 — 130,222 130,222 86,586 Total December 31, 2020 $ 6,183,458 $ 2,629,523 $ 5,775,204 $ 3,683,216 $ 2,420,054 $ 9,667,889 $ 12,087,943 $ 3,169,446 ________________________________________ (1) Represents contractual debt obligations. (2) The net basis of Vornado's assets and liabilities for tax reporting purposes is approximately $3.1 billion lower than the amounts reported for financial statement purposes. (3) Date of original construction –– many properties have had substantial renovation or additional construction –– see Column D. (4) Depreciation of the buildings and improvements are calculated over lives ranging from the life of the lease to forty years. (5) Secured amount outstanding on revolving credit facilities. The following is a reconciliation of real estate assets and accumulated depreciation: Year Ended December 31, 2020 2019 2018 Real Estate Balance at beginning of period $ 13,074,012 $ 16,237,883 $ 14,756,295 Additions during the period: Land 1,372 46,074 170,065 Buildings & improvements and other 1,127,593 1,391,784 1,665,684 14,202,977 17,675,741 16,592,044 Less: Assets sold, written-off, reclassified to ready for sale and deconsolidated 2,115,034 4,601,729 354,161 Balance at end of period $ 12,087,943 $ 13,074,012 $ 16,237,883 Accumulated Depreciation Balance at beginning of period $ 3,015,958 $ 3,180,175 $ 2,885,283 Additions charged to operating expenses 344,301 360,194 381,500 3,360,259 3,540,369 3,266,783 Less: Accumulated depreciation on assets sold, written-off and deconsolidated 190,813 524,411 86,608 Balance at end of period $ 3,169,446 $ 3,015,958 $ 3,180,175

SEC Schedule III Rollforward of

SEC Schedule III Rollforward of Real Estate Assets and Accumulated Depreciation	12 Months Ended
	Dec. 31, 2020
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Abstract]
Schedule III Real Estate and Accumulated Depreciation	COLUMN A COLUMN B COLUMN C COLUMN D COLUMN E COLUMN F COLUMN G COLUMN H COLUMN I Encumbrances (1) Initial cost to company Costs Gross amount at which Accumulated Date of Date Life on which Land Buildings Land Buildings Total (2) New York Manhattan 1290 Avenue of the Americas $ 950,000 $ 518,244 $ 926,992 $ 256,937 $ 518,244 $ 1,183,929 $ 1,702,173 $ 406,087 1963 2007 (4) 350 Park Avenue 400,000 265,889 363,381 49,637 265,889 413,018 678,907 153,866 1960 2006 (4) PENN1 — — 412,169 490,803 — 902,972 902,972 336,852 1972 1998 (4) 100 West 33rd Street 398,402 242,776 247,970 42,188 242,776 290,158 532,934 105,705 1911 2007 (4) 150 West 34th Street 205,000 119,657 268,509 — 119,657 268,509 388,166 37,479 1900 2015 (4) PENN2 575,000 (5) 53,615 164,903 182,136 52,689 347,965 400,654 132,321 1968 1997 (4) 90 Park Avenue — 8,000 175,890 199,918 8,000 375,808 383,808 161,439 1964 1997 (4) Manhattan Mall 181,598 88,595 113,473 30,283 88,595 143,756 232,351 48,996 2009 2007 (4) 770 Broadway 700,000 52,898 95,686 186,666 52,898 282,352 335,250 112,718 1907 1998 (4) 888 Seventh Avenue 321,000 — 117,269 161,640 — 278,909 278,909 142,057 1980 1998 (4) PENN11 500,000 40,333 85,259 111,535 40,333 196,794 237,127 83,611 1923 1997 (4) 909 Third Avenue 350,000 — 120,723 122,005 — 242,728 242,728 114,831 1969 1999 (4) 150 East 58th Street — 39,303 80,216 54,863 39,303 135,079 174,382 68,764 1969 1998 (4) 595 Madison Avenue — 62,731 62,888 50,717 62,731 113,605 176,336 49,081 1968 1999 (4) 330 West 34th Street — — 8,599 147,945 — 156,544 156,544 40,849 1925 1998 (4) 828-850 Madison Avenue — 107,937 28,261 (89,293) 35,403 11,502 46,905 — 2005 (4) 715 Lexington Avenue — — 26,903 19,986 30,085 16,804 46,889 — 1923 2001 (4) 478-486 Broadway — 30,000 20,063 11,831 21,489 40,405 61,894 3,817 2009 2007 (4) 4 Union Square South 120,000 24,079 55,220 9,685 24,079 64,905 88,984 24,170 1965/2004 1993 (4) Farley Office and Retail — — 476,235 565,014 — 1,041,249 1,041,249 — 1912 2018 (4) 260 Eleventh Avenue — — 80,482 5,352 — 85,834 85,834 12,133 1911 2015 (4) 510 Fifth Avenue — 34,602 18,728 35,402 48,403 40,329 88,732 10,992 2010 (4) 606 Broadway 74,119 45,406 8,993 51,624 45,298 60,725 106,023 2,441 2016 (4) 40 Fulton Street — 15,732 26,388 38,625 15,732 65,013 80,745 22,147 1987 1998 (4) 443 Broadway — 11,187 41,186 (36,225) 3,457 12,691 16,148 — 2013 (4) 40 East 66th Street — 13,616 34,635 159 13,616 34,794 48,410 13,113 2005 (4) 155 Spring Street — 13,700 30,544 6,769 13,700 37,313 51,013 12,456 2007 (4) 435 Seventh Avenue 95,696 19,893 19,091 2,166 19,893 21,257 41,150 9,681 2002 1997 (4) 692 Broadway — 6,053 22,908 3,901 6,053 26,809 32,862 10,734 2005 (4) 131-135 West 33rd Street — 8,315 21,312 316 8,315 21,628 29,943 2,566 2016 (4) COLUMN A COLUMN B COLUMN C COLUMN D COLUMN E COLUMN F COLUMN G COLUMN H COLUMN I Encumbrances (1) Initial cost to company Costs Gross amount at which Accumulated Date of Date Life on which Land Buildings Land Buildings Total (2) New York - continued Manhattan - continued 304 Canal Street — $ 3,511 $ 12,905 $ (8,456) $ 1,771 $ 6,189 $ 7,960 $ — 1910 2014 (4) 677-679 Madison Avenue — 13,070 9,640 585 13,070 10,225 23,295 3,691 2006 (4) 1131 Third Avenue — 7,844 7,844 5,708 7,844 13,552 21,396 2,696 1997 (4) 431 Seventh Avenue — 16,700 2,751 — 16,700 2,751 19,451 946 2007 (4) 138-142 West 32nd Street — 9,252 9,936 1,720 9,252 11,656 20,908 1,504 1920 2015 (4) 334 Canal Street — 1,693 6,507 (1,170) 752 6,278 7,030 — 2011 (4) 966 Third Avenue — 8,869 3,631 — 8,869 3,631 12,500 666 2013 (4) 148 Spring Street — 3,200 8,112 398 3,200 8,510 11,710 2,718 2008 (4) 150 Spring Street — 3,200 5,822 309 3,200 6,131 9,331 1,945 2008 (4) 137 West 33rd Street — 6,398 1,550 — 6,398 1,550 7,948 223 1932 2015 (4) 825 Seventh Avenue — 1,483 697 3,341 1,483 4,038 5,521 575 1997 (4) 537 West 26th Street — 10,370 17,632 16,730 26,631 18,101 44,732 1,319 2018 (4) 339 Greenwich — 2,622 12,333 (10,019) 865 4,071 4,936 — 2017 (4) Other (Including Signage) — 140,477 31,892 36,832 94,788 114,413 209,201 19,942 Total Manhattan 4,870,815 2,051,250 4,286,128 2,758,563 1,971,461 7,124,480 9,095,941 2,155,131 Other Properties Hotel Pennsylvania, New York — 29,903 121,712 134,245 29,903 255,957 285,860 142,143 1919 1997 (4) 33-00 Northern Boulevard, Queens, 100,000 46,505 86,226 13,538 46,505 99,764 146,269 15,710 1915 2015 (4) Paramus, New Jersey — — — 23,311 1,036 22,275 23,311 18,313 1967 1987 (4) Total Other Properties 100,000 76,408 207,938 171,094 77,444 377,996 455,440 176,166 Total New York 4,970,815 2,127,658 4,494,066 2,929,657 2,048,905 7,502,476 9,551,381 2,331,297 COLUMN A COLUMN B COLUMN C COLUMN D COLUMN E COLUMN F COLUMN G COLUMN H COLUMN I Encumbrances (1) Initial cost to company Costs Gross amount at which Accumulated Date of Date Life on which Land Buildings Land Buildings Total (2) Other theMART theMART, Illinois $ 675,000 $ 64,528 $ 319,146 $ 414,122 $ 64,535 $ 733,261 $ 797,796 $ 348,404 1930 1998 (4) 527 West Kinzie, Illinois — 5,166 — 132 5,166 132 5,298 — 1998 (4) Piers 92 and 94, New York — — — 17,773 — 17,773 17,773 3,847 2008 (4) Total theMART 675,000 69,694 319,146 432,027 69,701 751,166 820,867 352,251 555 California Street, California 537,643 223,446 895,379 241,667 211,459 1,149,033 1,360,492 360,277 1922,1969 -1970 2007 (4) 220 Central Park South, New York — 115,720 16,445 (104,428) — 27,737 27,737 — 2005 (4) Borgata Land, Atlantic City, NJ — 83,089 — — 83,089 — 83,089 — 2010 40 East 66th Residential, New York — 8,454 13,321 (8,193) 5,273 8,309 13,582 2,882 2005 (4) 677-679 Madison Avenue, New York — 1,462 1,058 285 1,627 1,178 2,805 535 2006 (4) Annapolis, Maryland — — 9,652 — — 9,652 9,652 4,462 2005 (4) Wayne Towne Center, New Jersey — — 26,137 56,373 — 82,510 82,510 29,431 2010 (4) Other — — — 5,606 — 5,606 5,606 1,725 (4) Total Other 1,212,643 501,865 1,281,138 623,337 371,149 2,035,191 2,406,340 751,563 Leasehold improvements equipment and other — — — 130,222 — 130,222 130,222 86,586 Total December 31, 2020 $ 6,183,458 $ 2,629,523 $ 5,775,204 $ 3,683,216 $ 2,420,054 $ 9,667,889 $ 12,087,943 $ 3,169,446 ________________________________________ (1) Represents contractual debt obligations. (2) The net basis of Vornado's assets and liabilities for tax reporting purposes is approximately $3.1 billion lower than the amounts reported for financial statement purposes. (3) Date of original construction –– many properties have had substantial renovation or additional construction –– see Column D. (4) Depreciation of the buildings and improvements are calculated over lives ranging from the life of the lease to forty years. (5) Secured amount outstanding on revolving credit facilities. The following is a reconciliation of real estate assets and accumulated depreciation: Year Ended December 31, 2020 2019 2018 Real Estate Balance at beginning of period $ 13,074,012 $ 16,237,883 $ 14,756,295 Additions during the period: Land 1,372 46,074 170,065 Buildings & improvements and other 1,127,593 1,391,784 1,665,684 14,202,977 17,675,741 16,592,044 Less: Assets sold, written-off, reclassified to ready for sale and deconsolidated 2,115,034 4,601,729 354,161 Balance at end of period $ 12,087,943 $ 13,074,012 $ 16,237,883 Accumulated Depreciation Balance at beginning of period $ 3,015,958 $ 3,180,175 $ 2,885,283 Additions charged to operating expenses 344,301 360,194 381,500 3,360,259 3,540,369 3,266,783 Less: Accumulated depreciation on assets sold, written-off and deconsolidated 190,813 524,411 86,608 Balance at end of period $ 3,169,446 $ 3,015,958 $ 3,180,175

Basis of Presentation and Sig_2

Basis of Presentation and Significant Accounting Policies (Policies)	12 Months Ended
	Dec. 31, 2020
Accounting Policies [Abstract]
Basis of Presentation	Basis of Presentation The accompanying consolidated financial statements include the accounts of Vornado and the Operating Partnership and their consolidated subsidiaries. All inter-company amounts have been eliminated. Our consolidated financial statements are prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”), which require us to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting periods. Actual results could differ from those estimates. In addition, certain prior year balances have been reclassified in order to conform to the current period presentation.
Recently Issued Accounting Literature	Recently Issued Accounting Literature In June 2016, the FASB issued an update ("ASU 2016-13") Measurement of Credit Losses on Financial Instruments establishing Accounting Standards Codification ("ASC") Topic 326, Financial Instruments - Credit Losses ("ASC 326"), as amended by subsequent ASUs on the topic. ASU 2016-13 changes how entities account for credit losses for most financial assets and certain other instruments that are not measured at fair value through net income. The guidance replaces the current “incurred loss” model with an “expected loss” model that requires consideration of a broader range of information to estimate expected credit losses over the lifetime of the financial asset. ASU 2016-13 is effective for interim and annual reporting periods in fiscal years beginning after December 15, 2019. In May 2019, the FASB issued ASU 2019-05 Financial Instruments - Credit Losses (Topic 326): Targeted Transition Relief to allow companies to irrevocably elect, upon adoption of ASU 2016-13, the fair value option for financial instruments that were previously recorded at amortized cost and are within the scope of ASC Subtopic 326-20 if the instruments are eligible for the fair value option under ASC Subtopic 825-10, Financial Instruments ("ASC 825-10"). We elected to apply the fair value option on an instrument-by-instrument basis to our loans receivable. We adopted this standard effective January 1, 2020 and recorded a $16,064,000 cumulative-effect adjustment to beginning accumulated deficit to recognize credit losses on loans receivable recorded on our consolidated balance sheets. For the year ended December 31, 2020, we recorded $13,369,000 of credit losses on our loans receivable which are included in "interest and other investment (loss) income, net" on our consolidated statements of income. In March 2020, the FASB issued an update ("ASU 2020-04") establishing ASC Topic 848, Reference Rate Reform . ASU 2020-04 contains practical expedients for reference rate reform related activities that impact debt, leases, derivatives and other contracts. The guidance in ASU 2020-04 is optional and may be elected over time as reference rate reform activities occur. During the year ended December 31, 2020, we elected to apply the hedge accounting expedients related to probability and the assessments of effectiveness for future LIBOR-indexed cash flows to assume that the index upon which future hedged transactions will be based matches the index on the corresponding derivatives. Application of these expedients preserves the presentation of derivatives consistent with past presentation. We continue to evaluate the impact of the guidance and may apply other elections as applicable as additional changes in the market occur. In April 2020, the FASB issued a Staff Q&A on accounting for leases during the COVID-19 pandemic, focused on the application of lease guidance in ASC Topic 842, Leases ("ASC 842"). The Staff Q&A states that it would be acceptable to make a policy election regarding rent concessions resulting from COVID-19, which would not require entities to account for these rent concessions as lease modifications when total cash flows resulting from the modified contract are “substantially the same or less” than the cash flows in the original contract. During the year ended December 31, 2020, in limited circumstances, we granted rent deferrals and rent abatements for certain of our tenants. We have made a policy election in accordance with the Staff Q&A for our portfolio allowing us to not account for the concessions as lease modifications. Accordingly, rent abatements are recognized as reductions to “rental revenues” during the period in which they were granted. Rent deferrals result in an increase to "tenant and other receivables" during the deferral period with no impact on rental revenue recognition. For any concessions that do not meet the guidance contained in the Q&A, the modification guidance in accordance with ASC 842 will be applied. See Note 2 - COVID-19 Pandemic for further details. 3. Basis of Presentation and Significant Accounting Policies - continued Recently Issued Accounting Literature - continued In August 2020, the FASB issued an update ("ASU 2020-06") Debt - Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging - Contracts in Entity’s Own Equity (Subtopic 815-40). ASU 2020-06 simplifies the accounting for convertible instruments by reducing the number of accounting models for convertible debt instruments and convertible preferred stock, removes certain settlement conditions that are required for equity contracts to qualify for the derivative scope exception and also simplifies the diluted earnings per share calculation in certain areas. ASU 2020-06 is effective for reporting periods beginning after December 15, 2021, with early adoption permitted. We are currently evaluating the impact of the adoption of ASU 2020-06 on our consolidated financial statements, but do not believe the adoption of this standard will have a material impact on our consolidated financial statements.
Real Estate	Real Estate: Real estate is carried at cost, net of accumulated depreciation and amortization. Betterments, major renewals and certain costs directly related to the improvement and leasing of real estate are capitalized. Maintenance and repairs are expensed as incurred. For redevelopment of existing operating properties, the net book value of the existing property under redevelopment plus the cost for the construction and improvements incurred in connection with the redevelopment, including interest and debt expense, are capitalized to the extent the capitalized costs of the property do not exceed the estimated fair value of the redeveloped property when complete. If the cost of the redeveloped property, including the net book value of the existing property, exceeds the estimated fair value of the redeveloped property, the excess is charged to expense. Depreciation is recognized on a straight-line basis over the estimated useful lives which range from 7 to 40 years. Tenant allowances are amortized on a straight-line basis over the lives of the related leases, which approximate the useful lives of the assets. Upon the acquisition of real estate, we assess the fair value of acquired assets (including land, buildings and improvements, identified intangibles, such as acquired above and below-market leases, acquired in-place leases and tenant relationships) and acquired liabilities and we allocate the purchase price based on these assessments which are on a relative fair value basis. We assess fair value based on estimated cash flow projections that utilize appropriate discount and capitalization rates and available market information. Estimates of future cash flows are based on a number of factors including historical operating results, known trends, and market/economic conditions. We amortize identified intangibles that have finite lives over the period they are expected to contribute directly or indirectly to the future cash flows of the property or business acquired. Our properties, including any related right-of-use ("ROU") assets and intangible assets, are individually reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount may not be recoverable. An impairment exists when the carrying amount of an asset exceeds the aggregate projected future cash flows over the anticipated holding period on an undiscounted basis. An impairment loss is measured based on the excess of the property’s carrying amount over its estimated fair value. Impairment analyses are based on our current plans, intended holding periods and available market information at the time the analyses are prepared. If our estimates of the future cash flows, anticipated holding periods, or market conditions change, our evaluation of impairment losses may be different and such differences could be material to our consolidated financial statements. Estimates of future cash flows are subjective and are based, in part, on assumptions regarding future occupancy, rental rates, capital requirements, capitalization rates and discount rates that could differ materially from actual results. Financial Services – Investment Companies (“ASC 946”) and its investments are reported on its balance sheet at fair value, with changes in value each period recognized in earnings. We consolidate the accounts of the Fund into our consolidated financial statements, retaining the fair value basis of accounting.
Partially Owned Entities	Partially Owned Entities: We consolidate entities in which we have a controlling financial interest. In determining whether we have a controlling financial interest in a partially owned entity and the requirement to consolidate the accounts of that entity, we consider (i) whether the entity is a variable interest entity (“VIE”) in which we are the primary beneficiary or (ii) whether the entity is a voting interest entity in which we have a majority of the voting interests of the entity. We are deemed to be the primary beneficiary of a VIE when we have (i) the power to direct the activities of the VIE that most significantly impact the VIE’s economic performance and (ii) the obligation to absorb losses or receive benefits that could potentially be significant to the VIE. We generally do not control a partially owned entity if the approval of all of the partners/members is contractually required with respect to decisions that most significantly impact the performance of the partially owned entity. This includes decisions regarding operating/capital budgets, and the placement of new or additional financing secured by the assets of the venture, among others. We account for investments under the equity method when the requirements for consolidation are not met, and we have significant influence over the operations of the investee. Equity method investments are initially recorded at cost and subsequently adjusted for our share of net income or loss and cash contributions and distributions each period. Investments that do not qualify for consolidation or equity method accounting are accounted for under the cost method. Investments in unconsolidated partially owned entities are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount may not be recoverable. An impairment loss is recorded when there is a decline in the fair value below the carrying value and we conclude such decline is other-than-temporary. An impairment loss is measured based on the excess of the carrying amount of an investment over its estimated fair value. Impairment analyses are based on current plans, intended holding periods, ability to hold, and available information at the time the analyses are prepared.
220 Central Park South Condominium Units Ready For Sale	220 Central Park South Condominium Units Ready For Sale: We are completing construction of a residential condominium tower at 220 Central Park South ("220 CPS"). Condominium units are reclassed from "development costs and construction in progress" to "220 Central Park South condominium units ready for sale" upon receipt of the unit's temporary certificate of occupancy. These units are substantially complete and ready for sale. Each unit is carried at the lower of its carrying amount or fair value less costs to sell. We have used the relative sales value method to allocate costs to individual condominium units. GAAP income is recognized when legal title transfers upon closing of the condominium unit sales and is included in "net gains on disposition of wholly owned and partially owned assets" on our consolidated statements of income. As of December 31, 2020 and 2019, none of the 220 CPS condominium units ready for sale had a carrying value that exceeded fair value.
Cash And Cash Equivalents	Cash and Cash Equivalents: Cash and cash equivalents consist of highly liquid investments with original maturities of three months or less and are carried at cost, which approximates fair value due to their short-term maturities. The majority of our cash and cash equivalents consists of (i) deposits at major commercial banks, which may at times exceed the Federal Deposit Insurance Corporation limit, (ii) United States Treasury Bills, and (iii) Certificate of Deposits placed through an Account Registry Service.
Restricted Cash	Restricted Cash: Restricted cash consists of security deposits, cash restricted for the purposes of facilitating a Section 1031 Like-Kind exchange, cash restricted in connection with our deferred compensation plan and cash escrowed under loan agreements, including for debt service, real estate taxes, property insurance and capital improvements.
Deferred Charges	Deferred Charges: Direct financing costs are deferred and amortized over the terms of the related agreements as a component of interest expense. Direct and incremental costs related to successful leasing activities are capitalized and amortized on a straight-line basis over the lives of the related leases. All other deferred charges are amortized on a straight-line basis, which approximates the effective interest rate method, in accordance with the terms of the agreements to which they relate.
Revenue Recognition	Revenue Recognition: • Rental revenues include revenues from the leasing of space at our properties to tenants, lease termination income, revenues from the Hotel Pennsylvania, trade shows and tenant services. ◦ Revenues from the leasing of space at our properties to tenants includes (i) lease components, including fixed and variable lease payments, and nonlease components which include reimbursement of common area maintenance expenses, and (ii) reimbursement of real estate taxes and insurance expenses. As lessor, we have elected to combine the lease and nonlease components of our operating lease agreements and account for the components as a single lease component in accordance with ASC 842. ◦ Revenues derived from fixed lease payments are recognized on a straight-line basis over the non-cancelable period of the lease, together with renewal options that are reasonably certain of being exercised. We commence rental revenue recognition when the underlying asset is available for use by the lessee. ◦ Revenue derived from the reimbursement of real estate taxes, insurance expenses and common area maintenance expenses are generally recognized in the same period as the related expenses are incurred. ◦ As discussed on page 84, in 2020, we have made a policy election in accordance with the Staff Q&A for our portfolio allowing us to not account for the concessions as lease modifications. Accordingly, rent abatements are recognized as reductions to “rental revenues” during the period in which they were granted. Rent deferrals result in an increase to "tenant and other receivables" during the deferral period with no impact on rental revenue recognition. For any concessions that do not meet the guidance contained in the Q&A, the modification guidance in accordance with ASC 842 will be applied. ◦ Lease termination income is recognized immediately if a tenant vacates or is recognized on a straight-line basis over the shortened remaining lease term in accordance with ASC 842. ◦ Hotel revenue arising from the operation of Hotel Pennsylvania consists of room revenue, food and beverage revenue, and banquet revenue. Room revenue is recognized when the rooms are made available for the guest, in accordance with ASC 842. ◦ Trade shows revenue arising from the operation of trade shows is primarily booth rentals. This revenue is recognized upon the occurrence of the trade shows when the trade show booths are made available for use by the exhibitors, in accordance with ASC 842. ◦ Tenant services revenue arises from sub-metered electric, elevator, trash removal and other services provided to tenants at their request. This revenue is recognized as the services are transferred in accordance with ASC Topic 606, Revenue from Contracts with Customers ("ASC 606"). • Fee and other income includes management, leasing and other revenue arising from contractual agreements with third parties or with partially owned entities and includes BMS cleaning, engineering and security services. This revenue is recognized as the services are transferred in accordance with ASC 606. We evaluate on an individual lease basis whether it is probable that we will collect substantially all amounts due from our tenants. We recognize changes in the collectability assessment of our operating leases as adjustments to rental revenue. Management exercises judgment in assessing collectability and considers payment history, current credit status and publicly available information about the financial condition of the tenant, including the impact of COVID-19 on tenants' businesses, among other factors. Tenant receivables, including receivables arising from the straight-lining of rents, are written off when management deems that the collectability of substantially all future lease payments from a specific lease is not probable of collection, at which point, the Company will limit future rental revenues to cash received.
Income Taxes	Income Taxes: Vornado operates in a manner intended to enable it to continue to qualify as a REIT under Sections 856‑860 of the Internal Revenue Code of 1986, as amended. Under those sections, a REIT which distributes at least 90% of its REIT taxable income as a dividend to its shareholders each year and which meets certain other conditions will not be taxed on that portion of its taxable income which is distributed to its shareholders. Vornado distributes to its shareholders 100% of its REIT taxable income and therefore, no provision for Federal income taxes is required. Dividends distributed for the year ended December 31, 2020, were characterized, for federal income tax purposes, as ordinary income. Dividends distributed for the year ended December 31, 2019, were characterized, for federal income tax purposes, as 62.1% ordinary income and 37.9% long-term capital gain. Dividends distributed for the year ended December 31, 2018, were characterized, for federal income tax purposes, as 91.7% ordinary income and 8.3% long-term capital gain. We have elected to treat certain consolidated subsidiaries, and may in the future elect to treat newly formed subsidiaries, as taxable REIT subsidiaries pursuant to an amendment to the Internal Revenue Code that became effective January 1, 2001. Taxable REIT subsidiaries may participate in non-real estate related activities and/or perform non-customary services for tenants and are subject to Federal and State income tax at regular corporate tax rates. Our 220 CPS condominium project and the operations of Hotel Pennsylvania are held through a taxable REIT subsidiary. At December 31, 2020 and 2019, our taxable REIT subsidiaries had deferred tax assets, net of valuation allowances, of $15,017,000 and $57,226,000, respectively, and are included in “other assets” on our consolidated balance sheets. At December 31, 2020 and 2019, our taxable REIT subsidiaries had deferred tax liabilities of $29,348,000 and $29,444,000, respectively, which are included in "other liabilities" on our consolidated balance sheets. The deferred tax assets and liabilities relate to net operating loss carry forwards and temporary differences between the book and tax basis of asset and liabilities. For the years ended December 31, 2020, 2019 and 2018, we recognized $36,630,000, $103,439,000 and $37,633,000 of income tax expense, respectively, based on effective tax rates of approximately (8.6)%, 3.0% and 8.2%, respectively. Income tax expense recorded in each of the years primarily relates to our consolidated taxable REIT subsidiaries, and certain state, local, and franchise taxes. The years ended December 31, 2020 and 2019, included $49,221,000 and $101,828,000, respectively, of income tax expense recognized on the sale of 220 CPS condominium units. The Company has no uncertain tax positions recognized as of December 31, 2020 and 2019. The Operating Partnership’s partners are required to report their respective share of taxable income on their individual tax returns.
Marketable Securities, Policy [Policy Text Block]	Marketable securities are presented on our consolidated balance sheets at fair value and are accounted for in accordance with ASC Topic 321 - Investments in Equity Securities, which requires changes in the fair value of our marketable securities to be recorded in current period earnings. Changes in the fair value are recorded to "interest and other investment (loss) income, net" on our consolidated statements of income (see Note 17 - Interest and Other Investment (Loss) Income, Net
Redeemable Noncontrolling Interests	Redeemable noncontrolling interests on Vornado’s consolidated balance sheets and redeemable partnership units on the consolidated balance sheets of the Operating Partnership are primarily comprised of Class A Operating Partnership units held by third parties and are recorded at the greater of their carrying amount or redemption value at the end of each reporting period. Changes in the value from period to period are charged to “additional capital” in Vornado’s consolidated statements of changes in equity and to “partners’ capital” on the consolidated balance sheets of the Operating Partnership. Class A units may be tendered for redemption to the Operating Partnership for cash; Vornado, at its option, may assume that obligation and pay the holder either cash or Vornado common shares on a one-for-one basis. Because the number of Vornado common shares outstanding at all times equals the number of Class A units owned by Vornado, the redemption value of each Class A unit is equivalent to the market value of one Vornado common share, and the quarterly distribution to a Class A unitholder is equal to the quarterly dividend paid to a Vornado common shareholder. Redeemable noncontrolling partnership units exclude our Series G-1 through G-4 convertible preferred units and Series D-13 cumulative redeemable preferred units, as they are accounted for as liabilities in accordance with ASC Topic 480, Distinguishing Liabilities and Equity , because of their possible settlement by issuing a variable number of Vornado common shares. Accordingly, the fair value of these units is included as a component of “other liabilities” on our consolidated balance sheets and aggregated $50,002,000 and $50,561,000 as of December 31, 2020 and 2019, respectively. Changes in the value from period to period, if any, are charged to “interest and debt expense” on our consolidated statements of income. Redeemable Noncontrolling Interest in a Consolidated Subsidiary The consolidated joint venture in which we own a 95% interest is developing Farley Office and Retail (the "Project"). During 2020, a historic tax credit investor (the "Tax Credit Investor") funded $92,400,000 of capital contributions and is expected to make additional capital contributions in future periods. The arrangement includes a put option whereby the joint venture may be obligated to purchase the Tax Credit Investor’s ownership interest in the Project at a future date. The put price is calculated based on a pre-determined formula. As exercise of the put option is outside of the joint venture’s control, the Tax Credit Investor’s interest, together with the put option, have been recorded to “redeemable noncontrolling interest in a consolidated subsidiary” on our consolidated balance sheet as of December 31, 2020. The redeemable noncontrolling interest is recorded at the greater of the carrying amount or redemption value at the end of each reporting period. Changes in the value from period to period are charged to “additional capital” in Vornado’s consolidated statements of changes in equity and to “partners’ capital” on the consolidated balance sheets of the Operating Partnership. There was no adjustment required for the year ended December 31, 2020.
Variable Interest Entities	Unconsolidated VIEsAs of December 31, 2020 and 2019, we have several unconsolidated VIEs. We do not consolidate these entities because we are not the primary beneficiary and the nature of our involvement in the activities of these entities does not give us power over decisions that significantly affect these entities’ economic performance. We account for our investment in these entities under the equity method Consolidated VIEs Our most significant consolidated VIEs are the Operating Partnership (for Vornado), the Farley joint venture and certain properties that have non-controlling interests. These entities are VIEs because the non-controlling interests do not have substantive kick-out or participating rights. We consolidate these entities because we control all significant business activities.
Fair Value Measurement	ASC 820 defines fair value and establishes a framework for measuring fair value. The objective of fair value is to determine the price that would be received upon the sale of an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date (the exit price).

Basis of Presentation and Sig_3

Basis of Presentation and Significant Accounting Policies (Tables)	12 Months Ended
	Dec. 31, 2020
Accounting Policies [Abstract]
Reconciliation of net income attributable to common shareholders to estimated taxable income	The following table reconciles net (loss) income attributable to Vornado common shareholders to estimated taxable income for the years ended December 31, 2020, 2019 and 2018. (Amounts in thousands) For the Year Ended December 31, 2020 2019 2018 Net (loss) income attributable to Vornado common shareholders $ (348,744) $ 3,097,806 $ 384,832 Book to tax differences (unaudited): Impairment losses 602,430 95,371 11,260 Depreciation and amortization 228,520 200,913 234,325 Sale of real estate and other capital transactions (151,960) (2,575,435) 31,527 Straight-line rent adjustments 70,923 9,057 (7,133) Earnings of partially owned entities 11,074 150,550 15,711 Vornado stock options (381) (16,597) (22,992) Tangible property regulations — (57,078) (86,040) Other, net 7,950 12,575 18,956 Estimated taxable income (unaudited) $ 419,812 $ 917,162 $ 580,446

Revenue Recognition (Tables)

Revenue Recognition (Tables)	12 Months Ended
	Dec. 31, 2020
Revenue from Contract with Customer [Abstract]
Disaggregation of Revenue	Below is a summary of our revenues by segment. Additional financial information related to these reportable segments for the years ended December 31, 2020, 2019 and 2018 is set forth in Note 24 - Segment Information. (Amounts in thousands) For the Year Ended December 31, 2020 Total New York Other Property rentals (1) $ 1,323,347 $ 1,051,009 $ 272,338 Hotel Pennsylvania (2) 8,741 8,741 — Trade shows (3) 11,303 — 11,303 Lease revenues (4) 1,343,391 1,059,750 283,641 Tenant services 34,244 23,750 10,494 Rental revenues 1,377,635 1,083,500 294,135 BMS cleaning fees 105,536 112,112 (6,576) (5) Management and leasing fees 19,416 19,508 (92) Other income 25,364 6,628 18,736 Fee and other income 150,316 138,248 12,068 Total revenues $ 1,527,951 $ 1,221,748 $ 306,203 ____________________ See notes below. (Amounts in thousands) For the Year Ended December 31, 2019 Total New York Other Property rentals (1) $ 1,589,539 $ 1,300,385 $ 289,154 Hotel Pennsylvania 89,594 89,594 — Trade shows 40,577 — 40,577 Lease revenues (4) 1,719,710 1,389,979 329,731 Tenant services 47,512 35,011 12,501 Rental revenues 1,767,222 1,424,990 342,232 BMS cleaning fees 124,674 133,358 (8,684) (5) Management and leasing fees 13,542 13,694 (152) Other income 19,262 5,818 13,444 Fee and other income 157,478 152,870 4,608 Total revenues $ 1,924,700 $ 1,577,860 $ 346,840 ____________________ (1) Reduced by $63,204 and $17,237 for the years ended December 31, 2020 and 2019, respectively, for the write-off of lease receivables deemed uncollectible (primarily write-offs of receivables arising from the straight-lining of rents). (2) Closed since April 1, 2020 as a result of the pandemic. (3) Cancelled trade shows at theMART from late March 2020 through the remainder of the year as a result of the pandemic. (4) The components of lease revenues were as follows: (Amounts in thousands) For the Year Ended December 31, 2020 2019 Fixed billings $ 1,292,174 $ 1,531,917 Variable billings 126,907 199,291 Total contractual operating lease billings 1,419,081 1,731,208 Adjustment for straight-line rents and amortization of acquired below-market leases, net (12,486) 5,739 Less: write-off of straight-line rent and tenant receivables deemed uncollectible (63,204) (17,237) Lease revenues $ 1,343,391 $ 1,719,710 (5) Represents the elimination of theMART and 555 California Street BMS cleanings fees which are included as income in the New York segment. 4. Revenue Recognition - continued (Amounts in thousands) For the Year Ended December 31, 2018 Total New York Other Property rentals $ 1,816,329 $ 1,548,226 $ 268,103 Hotel Pennsylvania 94,399 94,399 — Trade shows 42,684 — 42,684 Lease revenues 1,953,412 1,642,625 310,787 Tenant services 53,921 41,351 12,570 Rental revenues 2,007,333 1,683,976 323,357 BMS cleaning fees 120,357 129,088 (8,731) (1) Management and leasing fees 13,324 12,203 1,121 Other income 22,706 10,769 11,937 Fee and other income 156,387 152,060 4,327 Total revenues $ 2,163,720 $ 1,836,036 $ 327,684 ____________________ (1) Represents the elimination of theMART and 555 California Street BMS cleanings fees which are included as income in the New York segment.

Real Estate Fund Investments (T

Real Estate Fund Investments (Tables)	12 Months Ended
	Dec. 31, 2020
Real Estate Fund Investments [Abstract]
Schedule Of Income And Loss From The Fund	Below is a summary of loss from the Fund and the Crowne Plaza Joint Venture for the years ended December 31, 2020, 2019 and 2018. (Amounts in thousands) For the Year Ended December 31, 2020 2019 2018 Net unrealized loss on held investments $ (226,107) $ (106,109) $ (83,794) Net investment (loss) income (220) 2,027 6,105 Net realized loss on exited investments — — (912) New York City real property transfer tax (the "Transfer Tax") (1) — — (10,630) Loss from real estate fund investments (226,327) (104,082) (89,231) Less loss attributable to noncontrolling interests in consolidated subsidiaries 163,213 55,274 61,230 Loss from real estate fund investments net of noncontrolling interests in consolidated subsidiaries $ (63,114) $ (48,808) $ (28,001) ____________________ (1) Due to the additional Transfer Tax related to the March 2011 acquisition of One Park Avenue which was recognized as a result of the New York City Tax Appeals Tribunal (the "Tax Tribunal") decision in 2018. We appealed the Tax Tribunal's decision to the New York State Supreme Court, Appellate Division, First Department ("Appellate Division"). The Appellate Division entered a unanimous decision and order that confirmed the decision of the Tax Tribunal and dismissed our appeal. We filed a motion to reargue the Appellate Division's decision or for leave to appeal to the New York State Court of Appeals. That motion was denied in December 2019 and can no longer be appealed.

Marketable Securities (Tables)

Marketable Securities (Tables)	12 Months Ended
	Dec. 31, 2020
Marketable Securities [Abstract]
Unrealized Gain (Loss) on Investments	The table below summarizes the changes of our marketable securities portfolio for the years ended December 31, 2020 and 2019. (Amounts in thousands) Total Balance as of December 31, 2018 $ 152,198 Sale of marketable securities (primarily Lexington Realty Trust) (168,314) Transfer of PREIT investment balance (1) 54,962 Decrease in fair value of marketable securities (5,533) Balance as of December 31, 2019 33,313 Sale of marketable securities on January 23, 2020 (28,375) Decrease in fair value of marketable securities (4,938) Balance as of December 31, 2020 $ — ____________________

Investments in Partially Owne_2

Investments in Partially Owned Entities (Tables)	12 Months Ended
	Dec. 31, 2020
Equity Method Investments and Joint Ventures [Abstract]
Equity Method Investments	Below is a schedule summarizing our investments in partially owned entities. (Amounts in thousands) Percentage Ownership at December 31, 2020 Balance as of December 31, 2020 2019 Investments: Fifth Avenue and Times Square JV (see page 91 for details) 51.5% $ 2,798,413 $ 3,291,231 Partially owned office buildings/land (1) Various 473,285 464,109 Alexander’s (see page 92 for details) 32.4% 82,902 98,543 Other investments (2) Various 136,507 145,282 $ 3,491,107 $ 3,999,165 Investments in partially owned entities included in other liabilities (3) : 7 West 34th Street 53.0% $ (55,340) $ (54,004) 85 Tenth Avenue 49.9% (13,080) (6,186) $ (68,420) $ (60,190) ____________________ (1) Includes interests in 280 Park Avenue, 650 Madison Avenue, One Park Avenue, 512 West 22nd Street, 61 Ninth Avenue and others. (2) Includes interests in Independence Plaza, Rosslyn Plaza and others. (3) Our negative basis results from distributions in excess of our investment. Below is a schedule of (loss) income from partially owned entities. (Amounts in thousands) Percentage Ownership at December 31, 2020 For the Year Ended December 31, 2020 2019 2018 Our share of net (loss) income: Fifth Avenue and Times Square JV (see page 91 for details) (1) : Non-cash impairment loss $ (413,349) $ — $ — Return on preferred equity, net of our share of the expense 37,357 27,586 — Equity in net income 51.5% 21,063 (2) 31,130 — (354,929) 58,716 — Alexander's (see page 92 for details): Equity in net income 32.4% 13,326 (3) 19,204 10,485 (4) Management, leasing and development fees 5,309 4,575 4,560 18,635 23,779 15,045 Partially owned office buildings (5) Various 12,742 (3,443) (3,085) Other investments (6) Various (5,560) (187) (2,811) $ (329,112) $ 78,865 $ 9,149 ____________________ (1) Entered into on April 18, 2019. (2) Includes a $13,971 reduction in income related to a Forever 21 lease modification at 1540 Broadway and $3,125 of write-offs of lease receivables deemed uncollectible during 2020. (3) Includes our $4,846 share of write-offs of lease receivables deemed uncollectible. (4) Includes our $7,708 share of Alexander's additional Transfer Tax related to the November 2012 sale of Kings Plaza Regional Shopping Center. Alexander's recorded this expense based on the precedent established by the Tax Tribunal's decision regarding One Park Avenue in 2018 (see Note 5 - Real Estate Fund Investments ). On January 12, 2021, Alexander's decided not to further contest the additional Transfer Tax paid in connection with the sale of Kings Plaza. (5) Includes interests in 280 Park Avenue, 650 Madison Avenue, One Park Avenue, 7 West 34th Street, 330 Madison Avenue (sold on July 11, 2019), 512 West 22nd Street, 61 Ninth Avenue, 85 Tenth Avenue and others. 2018 includes our $4,978 share of additional Transfer Tax related to the March 2011 acquisition of One Park Avenue (see Note 5 - Real Estate Fund Investments ). (6) Includes interests in Independence Plaza, Rosslyn Plaza, Urban Edge Properties (sold on March 4, 2019), PREIT (accounted for as a marketable security from March 12, 2019 and sold on January 23, 2020), 666 Fifth Avenue Office Condominium (sold on August 3, 2018) and others. 2018 includes a net loss of $4,873 from our 666 Fifth Avenue Office Condominium joint venture as a result of our share of depreciation expense. 7. Investments in Partially Owned Entities – continued Below is a summary of the debt of our partially owned entities as of December 31, 2020 and 2019. (Amounts in thousands) Percentage Ownership at December 31, 2020 Maturity Interest Rate at December 31, 2020 100% Partially Owned Entities’ Debt at December 31, (1) 2020 2019 Mortgages Payable: Partially owned office buildings (2) Various 2021-2029 2.89% $ 3,622,572 $ 3,604,104 Alexander's 32.4% 2021-2027 1.65% 1,164,544 974,836 Fifth Avenue and Times Square JV 51.5% 2022-2024 2.63% 950,000 950,000 Other (3) Various 2021-2025 4.32% 1,288,265 1,290,227 ________________________________________ (1) All amounts are non-recourse to us except (i) the $500,000 mortgage loan on 640 Fifth Avenue, included in the Fifth Avenue and Times Square JV, and (ii) the $300,000 mortgage loan on 7 West 34th Street. (2) Includes interests in 280 Park Avenue, 650 Madison Avenue, One Park Avenue, 7 West 34th Street, 512 West 22nd Street, 61 Ninth Avenue, 85 Tenth Avenue and others. (3) Includes interests in Independence Plaza, Rosslyn Plaza and others. Based on our ownership interest in the partially owned entities above, our pro rata share of the debt of these partially owned entities was $2,873,174,000 and $2,802,859,000 as of December 31, 2020 and 2019, respectively Summary of Condensed Combined Financial Information The following is a summary of condensed combined financial information for all of our partially owned entities as of December 31, 2020 and 2019 and for the years ended December 31, 2020, 2019 and 2018. (Amounts in thousands) As of December 31, 2020 2019 Balance Sheet: Assets $ 13,344,000 $ 13,384,000 Liabilities 7,747,000 7,548,000 Noncontrolling interests 2,075,000 2,054,000 Equity 3,522,000 3,782,000 (Amounts in thousands) For the Year Ended December 31, 2020 2019 2018 Income Statement: Total revenue $ 1,163,000 $ 1,504,000 $ 1,798,000 Net income 45,000 39,000 52,000 Net (loss) income attributable to the entity (33,000) (32,000) 21,000

Identified Intangible Assets _2

Identified Intangible Assets and Liabilities (Tables)	12 Months Ended
	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Schedule of Identified Intangible Assets and Intangible Liabilities	The following summarizes our identified intangible assets (primarily above-market leases) and liabilities (primarily below-market leases). (Amounts in thousands) Balance as of December 31, 2020 2019 Identified intangible assets: Gross amount $ 116,969 $ 129,552 Accumulated amortization (93,113) (98,587) Total, net $ 23,856 $ 30,965 Identified intangible liabilities (included in deferred revenue): Gross amount $ 273,902 $ 316,119 Accumulated amortization (238,541) (262,580) Total, net $ 35,361 $ 53,539
Below Market Leases Net Of Above Market Leases
Finite-Lived Intangible Assets [Line Items]
Schedule of future amortization expense of intangible assets	Estimated annual amortization of acquired below-market leases, net of acquired above-market leases, for each of the five succeeding years commencing January 1, 2021 is as follows: (Amounts in thousands) 2021 $ 10,697 2022 9,169 2023 6,631 2024 2,883 2025 1,453
Other Identified Intangible Assets
Finite-Lived Intangible Assets [Line Items]
Schedule of future amortization expense of intangible assets	Estimated annual amortization of all other identified intangible assets including acquired in-place leases for each of the five succeeding years commencing January 1, 2021 is as follows: (Amounts in thousands) 2021 $ 4,334 2022 3,734 2023 3,648 2024 3,034 2025 2,150

Debt (Tables)

Debt (Tables)	12 Months Ended
	Dec. 31, 2020
Debt Disclosure [Abstract]
Schedule of Debt	The following is a summary of our debt: (Amounts in thousands) Weighted Average Interest Rate at December 31, 2020 Balance as of December 31, 2020 2019 Mortgages Payable: Fixed rate 3.68% $ 3,012,643 $ 4,601,516 Variable rate 2.02% 2,595,815 1,068,500 Total 2.91% 5,608,458 5,670,016 Deferred financing costs, net and other (27,909) (30,119) Total, net $ 5,580,549 $ 5,639,897 Senior unsecured notes 3.50% $ 450,000 $ 450,000 Deferred financing costs, net and other (3,315) (4,128) Senior unsecured notes, net 446,685 445,872 Unsecured term loan 3.70% 800,000 750,000 Deferred financing costs, net and other (3,238) (4,160) Unsecured term loan, net 796,762 745,840 Unsecured revolving credit facilities 1.05% 575,000 575,000 Total, net $ 1,818,447 $ 1,766,712
Schedule of Maturities of Long-Term Debt	As of December 31, 2020, the principal repayments required for the next five years and thereafter are as follows: (Amounts in thousands) Mortgages Payable Senior Unsecured Year Ended December 31, 2021 $ 2,609,243 $ — 2022 971,600 — 2023 523,400 575,000 2024 773,215 800,000 2025 331,000 450,000 Thereafter 400,000 —

Redeemable Noncontrolling Int_2

Redeemable Noncontrolling Interests (Tables)	12 Months Ended
	Dec. 31, 2020
Noncontrolling Interest [Abstract]
Operating Partnership Units Held By Third Parties	Below are the details of redeemable noncontrolling partnership units as of December 31, 2020 and 2019. (Amounts in thousands, except units and per unit amounts) Balance as of December 31, Units Outstanding as of December 31, Per Unit Preferred or Unit Series 2020 2019 2020 2019 Common: Class A units held by third parties $ 507,212 (1) $ 884,380 (1) 13,583,607 13,298,956 n/a $ 2.38 Perpetual Preferred/Redeemable Preferred (2) : 5.00% D-16 Cumulative Redeemable $ 1,000 $ 1,000 1 1 $ 1,000,000.00 $ 50,000.00 3.25% D-17 Cumulative Redeemable $ 3,535 $ 3,535 141,400 141,400 $ 25.00 $ 0.8125 ________________________________________ (1) Aggregate redemption value was based on Vornado's quarter-end closing common share price. (2) Holders may tender units for redemption to the Operating Partnership for cash at their stated redemption amount; Vornado, at its option, may assume that obligation and pay the holders either cash or Vornado preferred shares on a one-for-one basis. These units are redeemable at Vornado's option at any time.
Summary Of Activity Of Redeemable Noncontrolling Interests	Below is a table summarizing the activity of redeemable noncontrolling partnership units. (Amounts in thousands) For the Year Ended December 31, 2020 2019 Beginning balance $ 888,915 $ 783,562 Net (loss) income (24,946) 210,872 Other comprehensive loss (2,914) (3,235) Distributions (32,595) (34,607) Special distribution declared on December 18, 2019 (see Note 12 - Shareholder's Equity/Partners' Capital ) — (25,912) Redemption of Class A units for Vornado common shares, at redemption value (9,266) (11,250) Redeemable Class A unit measurement adjustment (344,043) (70,810) Other, net 36,596 40,295 Ending balance $ 511,747 $ 888,915 Below is a table summarizing the activity of redeemable noncontrolling interest in a consolidated subsidiary. (Amounts in thousands) For the Year Ended Beginning balance $ — Net income 544 Contributions 92,400 Other, net 1,576 Ending balance $ 94,520

Shareholders' Equity_Partners_2

Shareholders' Equity/Partners' Capital (Tables)	12 Months Ended
	Dec. 31, 2020
Schedule Of Preferred Units	The following table sets forth the details of our preferred shares of beneficial interest and the preferred units of the Operating Partnership as of December 31, 2020 and 2019. (Amounts in thousands, except share/unit and per share/per unit amounts) Per Share/Unit Balance as of December 31, Shares/Units Outstanding as of December 31, Liquidation Annual (1) Preferred Shares/Units 2020 2019 2020 2019 Convertible Preferred: 6.5% Series A: authorized 13,402 and 15,640 shares/units (2) $ 934 $ 991 13,402 15,640 $ 50.00 $ 3.25 Cumulative Redeemable Preferred: 5.70% Series K: authorized 12,000,000 shares/units (3) 290,971 290,971 12,000,000 12,000,000 25.00 1.425 5.40% Series L: authorized 13,800,000 shares/units (3) 290,306 290,306 12,000,000 12,000,000 25.00 1.35 5.25% Series M: authorized 13,800,000 shares/units (3) 308,946 308,946 12,780,000 12,780,000 25.00 1.3125 5.25% Series N: authorized 12,000,000 shares/units (3) 291,182 — 12,000,000 — 25.00 1.3125 (4) $ 1,182,339 $ 891,214 48,793,402 36,795,640 ________________________________________ (1) Dividends on preferred shares and distributions on preferred units are cumulative and are payable quarterly in arrears. (2) Redeemable at the option of Vornado under certain circumstances, at a redemption price of 1.9531 common shares/Class A units per Series A Preferred Share/Unit plus accrued and unpaid dividends/distributions through the date of redemption, or convertible at any time at the option of the holder for 1.9531 common shares/Class A units per Series A Preferred Share/Unit. (3) Redeemable at Vornado's option at a redemption price of $25.00 per share/unit, plus accrued and unpaid dividends/distributions through the date of redemption. (4) Annual dividend/distribution rate commencing in November 2020.
Schedule of Accumulated Other Comprehensive Income (Loss)	The following table sets forth the changes in accumulated other comprehensive loss by component for the year ended December 31, 2020. (Amounts in thousands) Total Accumulated other comprehensive income (loss) of nonconsolidated subsidiaries Interest rate Other Balance as of December 31, 2019 $ (40,233) $ 4 $ (36,126) $ (4,111) Other comprehensive (loss) income (34,866) (14,342) (29,972) 9,448 Balance as of December 31, 2020 $ (75,099) $ (14,338) $ (66,098) $ 5,337

Fair Value Measurements (Tables

Fair Value Measurements (Tables)	12 Months Ended
	Dec. 31, 2020
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation
Fair value, schedule of assets and liabilities measures on recurring basis	The tables below aggregate the fair values of these financial assets and liabilities by their levels in the fair value hierarchy. (Amounts in thousands) As of December 31, 2020 Total Level 1 Level 2 Level 3 Real estate fund investments $ 3,739 $ — $ — $ 3,739 Deferred compensation plan assets ($10,813 included in restricted cash and $94,751 in other assets) 105,564 65,636 — 39,928 Loans receivable ($43,008 included in investments in partially owned entities and $4,735 in other assets) 47,743 — — 47,743 Interest rate caps (included in other assets) 17 — 17 — Total assets $ 157,063 $ 65,636 $ 17 $ 91,410 Mandatorily redeemable instruments (included in other liabilities) $ 50,002 $ 50,002 $ — $ — Interest rate swaps (included in other liabilities) 66,033 — 66,033 — Total liabilities $ 116,035 $ 50,002 $ 66,033 $ — (Amounts in thousands) As of December 31, 2019 Total Level 1 Level 2 Level 3 Marketable securities $ 33,313 $ 33,313 $ — $ — Real estate fund investments 222,649 — — 222,649 Deferred compensation plan assets ($11,819 included in restricted cash and $91,954 in other assets) 103,773 71,338 — 32,435 Interest rate swaps (included in other assets) 4,327 — 4,327 — Total assets $ 364,062 $ 104,651 $ 4,327 $ 255,084 Mandatorily redeemable instruments (included in other liabilities) $ 50,561 $ 50,561 $ — $ — Interest rate swaps (included in other liabilities) 40,354 — 40,354 — Total liabilities $ 90,915 $ 50,561 $ 40,354 $ —
Schedule of derivative assets at fair value	The following table summarizes our consolidated derivative instruments, all of which hedge variable rate debt, as of December 31, 2020 and 2019, respectively. (Amounts in thousands) As of December 31, 2020 Variable Rate Hedged Item Fair Value Notional Amount Spread over LIBOR Interest Rate Swapped Rate Expiration Date Interest rate caps (included in other assets): Various $ 17 $ 175,000 Interest rate swaps (included in other liabilities): Unsecured term loan $ 57,723 $ 750,000 (1) L+100 1.15% 3.87% 10/23 33-00 Northern Boulevard mortgage loan 8,310 100,000 L+180 1.95% 4.14% 1/25 $ 66,033 $ 850,000 ________________________________________ (1) Remaining $50,000 balance of our unsecured term loan bears interest at a floating rate of LIBOR plus 1.00%. (Amounts in thousands) As of December 31, 2019 Variable Rate Hedged Item Fair Value Notional Amount Spread over LIBOR Interest Rate Swapped Rate Expiration Date Interest rate swaps (included in other assets): 770 Broadway loan $ 4,045 $ 700,000 L+175 3.46% 2.56% 9/20 888 Seventh Avenue mortgage loan 218 375,000 L+170 3.44% 3.25% 12/20 4,263 1,075,000 Interest rate caps (included in other assets): Various 64 175,000 $ 4,327 $ 1,250,000 Interest rate swaps (included in other liabilities): Unsecured term loan $ 36,809 $ 750,000 L+100 2.80% 3.87% 10/23 33-00 Northern Boulevard mortgage loan 3,545 100,000 L+180 3.52% 4.14% 1/25 $ 40,354 $ 850,000
Schedule of derivative liabilities at fair value	The following table summarizes our consolidated derivative instruments, all of which hedge variable rate debt, as of December 31, 2020 and 2019, respectively. (Amounts in thousands) As of December 31, 2020 Variable Rate Hedged Item Fair Value Notional Amount Spread over LIBOR Interest Rate Swapped Rate Expiration Date Interest rate caps (included in other assets): Various $ 17 $ 175,000 Interest rate swaps (included in other liabilities): Unsecured term loan $ 57,723 $ 750,000 (1) L+100 1.15% 3.87% 10/23 33-00 Northern Boulevard mortgage loan 8,310 100,000 L+180 1.95% 4.14% 1/25 $ 66,033 $ 850,000 ________________________________________ (1) Remaining $50,000 balance of our unsecured term loan bears interest at a floating rate of LIBOR plus 1.00%. (Amounts in thousands) As of December 31, 2019 Variable Rate Hedged Item Fair Value Notional Amount Spread over LIBOR Interest Rate Swapped Rate Expiration Date Interest rate swaps (included in other assets): 770 Broadway loan $ 4,045 $ 700,000 L+175 3.46% 2.56% 9/20 888 Seventh Avenue mortgage loan 218 375,000 L+170 3.44% 3.25% 12/20 4,263 1,075,000 Interest rate caps (included in other assets): Various 64 175,000 $ 4,327 $ 1,250,000 Interest rate swaps (included in other liabilities): Unsecured term loan $ 36,809 $ 750,000 L+100 2.80% 3.87% 10/23 33-00 Northern Boulevard mortgage loan 3,545 100,000 L+180 3.52% 4.14% 1/25 $ 40,354 $ 850,000
Fair value measurements, nonrecurring	(Amounts in thousands) As of December 31, 2020 Total Level 1 Level 2 Level 3 Real estate assets $ 191,116 $ — $ — $ 191,116 (Amounts in thousands) As of September 30, 2020 Total Level 1 Level 2 Level 3 Investment in Fifth Avenue and Times Square JV $ 2,811,374 $ — $ — $ 2,811,374
Schedule of carrying amounts and fair values of financial instruments	The table below summarizes the carrying amounts and fair value of these financial instruments. (Amounts in thousands) As of December 31, 2020 As of December 31, 2019 Carrying Fair Carrying Fair Cash equivalents $ 1,476,427 $ 1,476,000 $ 1,276,815 $ 1,277,000 Debt: Mortgages payable $ 5,608,458 $ 5,612,000 $ 5,670,016 $ 5,714,000 Senior unsecured notes 450,000 476,000 450,000 468,000 Unsecured term loan 800,000 800,000 750,000 750,000 Unsecured revolving credit facilities 575,000 575,000 575,000 575,000 Total $ 7,433,458 (1) $ 7,463,000 $ 7,445,016 (1) $ 7,507,000 ____________________ (1) Excludes $34,462 and $38,407 of deferred financing costs, net and other as of December 31, 2020 and 2019 respectively.
Real estate fund investments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation
Fair value inputs quantitative information	Significant unobservable quantitative inputs in the table below were utilized in determining the fair value of these real estate fund investments. Range Weighted Average Unobservable Quantitative Input December 31, 2020 December 31, 2019 December 31, 2020 December 31, 2019 Discount rates 7.6% to 15.0% 8.6% to 12.0% 12.7% 9.9% Terminal capitalization rates 5.5% to 10.3% 4.9% to 8.2% 7.9% 5.9%
Summary of changes in level 3 plan assets	The table below summarizes the changes in the fair value of real estate fund investments that are classified as Level 3. (Amounts in thousands) For the Year Ended December 31, 2020 2019 Beginning balance $ 222,649 $ 318,758 Net unrealized loss on held investments (226,107) (106,109) Purchases/additional fundings 7,197 10,000 Ending balance $ 3,739 $ 222,649
Deferred Compensation Plan Assets
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation
Schedule of carrying amounts and fair values of financial instruments	The table below summarizes the changes in the fair value of deferred compensation plan assets that are classified as Level 3. (Amounts in thousands) For the Year Ended December 31, 2020 2019 Beginning balance $ 32,435 $ 37,808 Sales (5,467) (27,053) Purchases 8,766 18,494 Realized and unrealized gains 808 1,947 Other, net 3,386 1,239 Ending balance $ 39,928 $ 32,435
Loans Receivable
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation
Fair value inputs quantitative information	Significant unobservable quantitative inputs in the table on the following page were utilized in determining the fair value of these loans receivable. 14. Fair Value Measurements - continued Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis - continued Loans Receivable - continued December 31, 2020 Unobservable Quantitative Input Range Weighted Average (based on fair value of investments) Discount rates 6.5% 6.5 % Terminal capitalization rates 5.0% 5.0 %
Summary of changes in level 3 plan assets	The table below summarizes the changes in fair value of loans receivable that are classified as Level 3. (Amounts in thousands) For the Year Ended December 31, 2020 Beginning balance $ 59,251 Credit losses (13,369) Interest accrual 2,461 Paydowns (600) Ending balance $ 47,743

Stock-based Compensation (Table

Stock-based Compensation (Tables)	12 Months Ended
	Dec. 31, 2020
Share-based Payment Arrangement [Abstract]
Schedule Of Other Share Based Compensation, Activity	Below is a summary of our stock-based compensation expense, a component of "general and administrative" expense on our consolidated statements of income. (Amounts in thousands) For the Year Ended December 31, 2020 2019 2018 OP Units $ 33,431 $ 39,969 $ 17,763 OPPs 9,579 1,944 10,689 AO LTIP Units 3,955 2,636 2,113 Vornado stock options 656 547 587 Vornado restricted stock 649 549 570 Performance Conditioned AO LTIP Units 407 8,263 — $ 48,677 $ 53,908 $ 31,722
Schedule of Unrecognized Compensation Expense	Below is a summary of unrecognized compensation expense for the year ended December 31, 2020. (Amounts in thousands) As of Weighted-Average OP Units $ 25,661 1.6 OPPs 3,882 2.1 AO LTIP Units 2,286 1.5 Vornado stock options 987 1.7 Vornado restricted stock 974 1.7 Performance Conditioned AO LTIP Units 313 1.3 $ 34,103 1.7
Schedule Of Share Based Compensation Restricted Operating Partnership Units Earned	Below is the summary of the OPP units granted during the years December 31, 2020, 2018 and 2017. Plan Year Total Plan Percentage of Notional Grant Date Fair Value (1) OPP Units Earned 2020 $ 35,000,000 94.0 % $ 11,700,000 To be determined in 2023 2018 35,000,000 78.2 % 10,300,000 To be determined in 2021 2017 35,000,000 86.6 % 10,800,000 Not earned ________________________________________ (1) During the years ended December 31, 2020 and 2018, $7,583,000 and $8,040,000, respectively, was immediately expensed on the respective grant date due to acceleration of vesting for employees who are retirement eligible (have reached age 65 or age 60 with at least 20 years of service).
Schedule Of Share Based Compensation Stock Options Activity	Below is a summary of Vornado’s stock option activity for the year ended December 31, 2020. Shares Weighted- Weighted- Aggregate Outstanding as of December 31, 2019 1,768,877 $ 57.39 Granted 70,581 52.35 Exercised (68,782) 51.12 Forfeited (4,474) 65.63 Expired (1,000,565) 51.77 Outstanding as of December 31, 2020 765,637 $ 64.79 1.92 $ 20,794 Options exercisable as of December 31, 2020 658,807 $ 65.84 0.86 $ 1,288 Below is a summary of Performance Conditioned AO LTIP Units activity for the year ended December 31, 2020. Units Weighted-Average Weighted- Aggregate Outstanding as of December 31, 2019 496,762 $ 62.62 Outstanding as of December 31, 2020 496,762 $ 62.62 8.04 $ — Options exercisable at December 31, 2020 235,089 $ 62.62 8.04 $ — Below is a summary of AO LTIP Units activity for the year ended December 31, 2020. Shares Weighted- Weighted- Aggregate Outstanding as of December 31, 2019 383,983 $ 66.23 Granted 342,924 52.40 Forfeited (7,454) 57.23 Expired (1,872) 67.55 Outstanding as of December 31, 2020 717,581 $ 59.71 7.30 $ 100,619 Options exercisable as of December 31, 2020 216,646 $ 63.94 4.47 $ 14,187
Schedule Of Share Based Payment Award Stock Options Valuation Assumptions	The fair value of each option grant is estimated on the date of grant using an option-pricing model with the following weighted-average assumptions for grants in the years ended December 31, 2020, 2019 and 2018. As of December 31, 2020 2019 2018 Expected volatility 35% - 36% 35% 35% Expected life 5.0 years 5.0 years 5.0 years Risk free interest rate 0.57% - 1.76% 2.50% 2.25% Expected dividend yield 3.2% - 3.4% 2.9% 2.9% As of December 31, 2019 Expected volatility 35% Expected life 8.0 years Risk free interest rate 2.76% Expected dividend yield 3.1% As of December 31, 2020 2019 2018 Expected volatility 35% - 36% 35% 35% Expected life 5.0 years 5.0 years 5.0 years Risk free interest rate 0.57% - 1.76% 2.50% 2.25% Expected dividend yield 3.2% - 3.4% 2.9% 2.9%
Schedule Of Share Based Compensation Restricted Operating Partnership Units Activity	Below is a summary of restricted OP unit activity for the year ended December 31, 2020. Unvested Units Units Weighted-Average Unvested as of December 31, 2019 1,148,313 $ 59.21 Granted 530,597 33.95 Vested (516,805) 47.16 Forfeited (9,687) 35.86 Unvested as of December 31, 2020 1,152,418 53.17
Schedule Of Share Based Compensation Restricted Stock And Restricted Stock Units Activity	Below is a summary of Vornado’s restricted stock activity for the year ended December 31, 2020. Unvested Shares Shares Weighted-Average Unvested as of December 31, 2019 18,927 $ 70.96 Granted 16,003 53.29 Vested (8,526) 70.60 Forfeited (1,089) 67.51 Unvested as of December 31, 2020 25,315 60.06

Impairment Losses and Transac_2

Impairment Losses and Transaction Related Costs, Net (Tables)	12 Months Ended
	Dec. 31, 2020
Transaction Related Costs, Impairment Losses and Other [Abstract]
Schedule of Impairment Losses and Transaction Related Costs, Net	The following table sets forth the details of impairment losses and transaction related costs, net: (Amounts in thousands) For the Year Ended December 31, 2020 2019 2018 Real estate impairment losses (1) $ (236,286) $ (8,065) $ (12,000) 608 Fifth Avenue lease liability extinguishment gain in 2020 and impairment loss and related write-offs in 2019 (see following page for details) 70,260 (93,860) — Transaction related costs (8,001) (4,613) (6,217) Transfer Tax (2) — — (13,103) $ (174,027) $ (106,538) $ (31,320) ________________________________________ (1) See Note 14 - Fair Value Measurements for additional information. (2) Additional Transfer Tax recorded in the first quarter 2018 related to the acquisition of Independence Plaza. The joint venture, in which we have a 50.1% economic interest, that owns Independence Plaza recognized this expense based on the precedent established by the Tax Tribunal's decision regarding One Park Avenue (see Note 5 - Real Estate Fund Investments ).

Interest and Other Investment_2

Interest and Other Investment (Loss) Income, Net (Tables)	12 Months Ended
	Dec. 31, 2020
Interest and Other Income [Abstract]
Schedule of interest and other investment income (loss), net	The following table sets forth the details of our interest and other investment (loss) income, net: (Amounts in thousands) For the Year Ended December 31, 2020 2019 2018 (Decrease) increase in fair value of marketable securities: PREIT (1) $ (4,938) $ (21,649) $ — Lexington (2) — 16,068 (26,596) Other — 48 143 (4,938) (5,533) (26,453) Credit losses on loans receivable (3) (13,369) — — Interest on cash and cash equivalents and restricted cash 5,793 13,380 15,827 Interest on loans receivable 3,384 6,326 10,298 (4) Dividends on marketable securities — 3,938 13,339 Other, net 3,631 3,708 4,046 ______________ $ (5,499) $ 21,819 $ 17,057 (1) Sold on January 23, 2020 (see page 91 for details). (2) Sold on March 1, 2019. (3) See Note 3 - Basis of Presentation and Significant Accounting Policies and Note 14 - Fair Value Measurements for additional information. (4) Includes $6,707 of profit participation in connection with an investment in a mezzanine loan which was previously repaid to us.

Interest and Debt Expense (Tabl

Interest and Debt Expense (Tables)	12 Months Ended
	Dec. 31, 2020
Interest and Debt Expense [Abstract]
Interest And Debt Expense	The following table sets forth the details of interest and debt expense: (Amounts in thousands) For the Year Ended December 31, 2020 2019 2018 Interest expense (1) $ 251,847 $ 335,016 $ 389,136 Capitalized interest and debt expense (41,056) (72,200) (73,166) Amortization of deferred financing costs 18,460 23,807 31,979 _______________ $ 229,251 $ 286,623 $ 347,949 (1) 2019 includes $22,540 of debt prepayment costs in connection with the redemption of $400,000 5.00% senior unsecured notes which were scheduled to mature in January 2022.

(Loss) Income Per Share _(Los_2

(Loss) Income Per Share /(Loss) Income Per Class A Unit (Tables)	12 Months Ended
	Dec. 31, 2020
Earnings per share
Schedule of Earnings Per Share Basic and Diluted	Vornado Realty Trust The following table presents the calculations of (i) basic (loss) income per common share which includes the weighted average number of common shares outstanding without regard to dilutive potential common shares and (ii) diluted (loss) income per common share which includes the weighted average common shares and dilutive share equivalents. Unvested share-based payment awards that contain nonforfeitable rights to dividends, whether paid or unpaid, are accounted for as participating securities. Earnings are allocated to participating securities, which include restricted stock awards, based on the two-class method. Other potential dilutive share equivalents such as our employee stock options, OP Units, OPPs, AO LTIP Units and Performance Conditioned AO LTIP Units are included in the computation of diluted Earnings Per Share ("EPS") using the treasury stock method, while the dilutive effect of our Series A convertible preferred shares is reflected in diluted EPS by application of the if-converted method. (Amounts in thousands, except per share amounts) For the Year Ended December 31, 2020 2019 2018 Numerator: (Loss) income from continuing operations, net of loss (income) attributable to noncontrolling interests $ (297,005) $ 3,147,965 $ 449,356 (Loss) income from discontinued operations — (28) 598 Net (loss) income attributable to Vornado (297,005) 3,147,937 449,954 Preferred share dividends (51,739) (50,131) (50,636) Preferred share issuance costs — — (14,486) Net (loss) income attributable to common shareholders (348,744) 3,097,806 384,832 Earnings allocated to unvested participating securities (99) (309) (44) Numerator for basic (loss) income per share (348,843) 3,097,497 384,788 Impact of assumed conversions: Convertible preferred share dividends — 57 62 Earnings allocated to Out-Performance Plan units — 9 174 Numerator for diluted (loss) income per share $ (348,843) $ 3,097,563 $ 385,024 Denominator: Denominator for basic (loss) income per share – weighted average shares 191,146 190,801 190,219 Effect of dilutive securities (1) : Employee stock options and restricted stock awards — 216 933 Convertible preferred shares — 34 37 Out-Performance Plan units — 2 101 Denominator for diluted (loss) income per share – weighted average shares and assumed conversions 191,146 191,053 191,290 (LOSS) INCOME PER COMMON SHARE - BASIC: Net (loss) income per common share $ (1.83) $ 16.23 $ 2.02 (LOSS) INCOME PER COMMON SHARE - DILUTED: Net (loss) income per common share $ (1.83) $ 16.21 $ 2.01 ________________________________________ (1) The effect of dilutive securities excluded an aggregate of 14,007, 13,020 and 12,232 weighted average common share equivalents in the years ended December 31, 2020, 2019 and 2018, respectively, as their effect was anti-dilutive.
Vornado Realty L.P.
Earnings per share
Schedule of Earnings Per Share Basic and Diluted	Vornado Realty L.P. The following table presents the calculations of (i) basic (loss) income per Class A unit which includes the weighted average number of Class A units outstanding without regard to dilutive potential Class A units and (ii) diluted (loss) income per Class A unit which includes the weighted average Class A unit and dilutive Class A unit equivalents. Unvested share-based payment awards that contain non-forfeitable rights to dividends, whether paid or unpaid, are accounted for as participating securities. Earnings are allocated to participating securities, which include Vornado restricted stock awards, OP Units and OPPs, based on the two-class method. Other potential dilutive unit equivalents such as Vornado stock options, AO LTIP Units and Performance Conditioned AO LTIP Units are included in the computation of diluted income per unit ("EPU") using the treasury stock method, while the dilutive effect of our Series A convertible preferred units is reflected in diluted EPU by application of the if-converted method. (Amounts in thousands, except per unit amounts) For the Year Ended December 31, 2020 2019 2018 Numerator: (Loss) income from continuing operations, net of loss attributable to noncontrolling interests in consolidated subsidiaries $ (321,951) $ 3,358,839 $ 474,988 (Loss) income from discontinued operations — (30) 638 Net (loss) income attributable to Vornado Realty L.P. (321,951) 3,358,809 475,626 Preferred unit distributions (51,904) (50,296) (50,830) Preferred unit issuance costs — — (14,486) Net (loss) income attributable to Class A unitholders (373,855) 3,308,513 410,310 Earnings allocated to unvested participating securities (5,417) (17,296) (2,973) Numerator for basic (loss) income per Class A unit (379,272) 3,291,217 407,337 Impact of assumed conversions: Convertible preferred unit distributions — 57 62 Numerator for diluted (loss) income per Class A unit $ (379,272) $ 3,291,274 $ 407,399 Denominator: Denominator for basic (loss) income per Class A unit – weighted average units 203,503 202,947 202,068 Effect of dilutive securities (1) : Vornado stock options, Vornado restricted stock awards, OP Units, AO LTIP Units and OPPs — 267 1,307 Convertible preferred units — 34 37 Denominator for diluted (loss) income per Class A unit – weighted average units and assumed conversions 203,503 203,248 203,412 (LOSS) INCOME PER CLASS A UNIT - BASIC: (Loss) income from continuing operations, net $ (1.86) $ 16.22 $ 2.01 Income from discontinued operations, net — — 0.01 Net (loss) income per Class A unit $ (1.86) $ 16.22 $ 2.02 (LOSS) INCOME PER CLASS A UNIT - DILUTED: Net (loss) income per Class A unit $ (1.86) $ 16.19 $ 2.00 ________________________________________ (1) The effect of dilutive securities excluded an aggregate of 1,650, 825 and 110 weighted average Class A unit equivalents in the years ended December 31, 2020, 2019 and 2018 respectively, as their effect was anti-dilutive.

Leases (Tables)

Leases (Tables)	12 Months Ended
	Dec. 31, 2020
Leases [Abstract]
Lessor, Operating Lease, Payments to be Received, Maturity	As of December 31, 2020, future undiscounted cash flows under non-cancelable operating leases were as follows: (Amounts in thousands) As of December 31, 2020 For the year ended December 31, 2021 $ 1,230,675 2022 1,227,742 2023 1,161,730 2024 995,588 2025 876,497 Thereafter 5,090,824
Schedule of Amounts Included in Measurement of Lease Liability	The following table sets forth information related to the measurement of our lease liabilities as of December 31, 2020 and 2019: (Amounts in thousands) For the Year Ended December 31, 2020 2019 Weighted average remaining lease term (in years) 44.8 40.2 Weighted average discount rate 4.91 % 4.84 % Cash paid for operating leases $ 23,932 $ 27,817
Schedule of Rent Expense	The following table sets forth the details of rent expense for the years ended December 31, 2020 and 2019: (Amounts in thousands) For the Year Ended December 31, 2020 2019 Fixed rent expense $ 28,503 $ 33,738 Variable rent expense 1,178 1,978 Rent expense $ 29,681 $ 35,716
Lessee, Operating Lease, Liability, Maturity	As of December 31, 2020, future lease payments under operating ground leases were as follows: (Amounts in thousands) As of December 31, 2020 For the year ended December 31, 2021 $ 22,010 2022 23,669 2023 24,002 2024 24,354 2025 24,722 Thereafter 926,139 Total undiscounted cash flows 1,044,896 Present value discount (643,888) Lease liabilities $ 401,008

Segment Information (Tables)

Segment Information (Tables)	12 Months Ended
	Dec. 31, 2020
Segment Reporting [Abstract]
Schedule of Segment Information	Below is a reconciliation of net (loss) income to NOI at share and NOI at share - cash basis for the years ended December 31, 2020, 2019 and 2018. (Amounts in thousands) For the Year Ended December 31, 2020 2019 2018 Net (loss) income $ (461,845) $ 3,334,262 $ 422,603 Depreciation and amortization expense 399,695 419,107 446,570 General and administrative expense 181,509 169,920 141,871 Impairment losses and transaction related costs, net 174,027 106,538 31,320 Loss (income) from partially owned entities 329,112 (78,865) (9,149) Loss from real estate fund investments 226,327 104,082 89,231 Interest and other investment loss (income), net 5,499 (21,819) (17,057) Interest and debt expense 229,251 286,623 347,949 Net gain on transfer to Fifth Avenue and Times Square JV — (2,571,099) — Purchase price fair value adjustment — — (44,060) Net gains on disposition of wholly owned and partially owned assets (381,320) (845,499) (246,031) Income tax expense 36,630 103,439 37,633 Loss (income) from discontinued operations — 30 (638) NOI from partially owned entities 306,495 322,390 253,564 NOI attributable to noncontrolling interests in consolidated subsidiaries (72,801) (69,332) (71,186) NOI at share 972,579 1,259,777 1,382,620 Non cash adjustments for straight-line rents, amortization of acquired below-market leases, net and other 46,246 (6,060) (44,704) NOI at share - cash basis $ 1,018,825 $ 1,253,717 $ 1,337,916 24. Segment Information - continued Below is a summary of NOI at share, NOI at share - cash basis and selected balance sheet data by segment for the years ended December 31, 2020, 2019 and 2018. (Amounts in thousands) For the Year Ended December 31, 2020 Total New York Other Total revenues $ 1,527,951 $ 1,221,748 $ 306,203 Operating expenses (789,066) (640,531) (148,535) NOI - consolidated 738,885 581,217 157,668 Deduct: NOI attributable to noncontrolling interests in consolidated subsidiaries (72,801) (43,773) (29,028) Add: NOI from partially owned entities 306,495 296,447 10,048 NOI at share 972,579 833,891 138,688 Non-cash adjustments for straight-line rents, amortization of acquired below-market leases, net and other 46,246 36,715 9,531 NOI at share - cash basis $ 1,018,825 $ 870,606 $ 148,219 Balance Sheet Data: Real estate, at cost $ 12,087,943 $ 9,581,830 $ 2,506,113 Investments in partially owned entities 3,491,107 3,459,142 31,965 Total assets 16,221,822 15,046,469 1,175,353 (Amounts in thousands) For the Year Ended December 31, 2019 Total New York Other Total revenues $ 1,924,700 $ 1,577,860 $ 346,840 Operating expenses (917,981) (758,304) (159,677) NOI - consolidated 1,006,719 819,556 187,163 Deduct: NOI attributable to noncontrolling interests in consolidated subsidiaries (69,332) (40,896) (28,436) Add: NOI from partially owned entities 322,390 294,168 28,222 NOI at share 1,259,777 1,072,828 186,949 Non-cash adjustments for straight-line rents, amortization of acquired below-market leases, net and other (6,060) (12,318) 6,258 NOI at share - cash basis $ 1,253,717 $ 1,060,510 $ 193,207 Balance Sheet Data: Real estate, at cost $ 13,074,012 $ 10,272,458 $ 2,801,554 Investments in partially owned entities 3,999,165 3,964,289 34,876 Total assets 18,287,013 16,429,159 1,857,854 (Amounts in thousands) For the Year Ended December 31, 2018 Total New York Other Total revenues $ 2,163,720 $ 1,836,036 $ 327,684 Operating expenses (963,478) (806,464) (157,014) NOI - consolidated 1,200,242 1,029,572 170,670 Deduct: NOI attributable to noncontrolling interests in consolidated subsidiaries (71,186) (48,490) (22,696) Add: NOI from partially owned entities 253,564 195,908 57,656 NOI at share 1,382,620 1,176,990 205,630 Non-cash adjustments for straight-line rents, amortization of acquired below-market leases, net and other (44,704) (45,427) 723 NOI at share - cash basis $ 1,337,916 $ 1,131,563 $ 206,353

SEC Schedule III Rollforward _2

SEC Schedule III Rollforward of Real Estate Assets and Accumulated Depreciation (Tables)	12 Months Ended
	Dec. 31, 2020
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Abstract]
Schedule of Real Estate Properties	The following is a reconciliation of real estate assets and accumulated depreciation: Year Ended December 31, 2020 2019 2018 Real Estate Balance at beginning of period $ 13,074,012 $ 16,237,883 $ 14,756,295 Additions during the period: Land 1,372 46,074 170,065 Buildings & improvements and other 1,127,593 1,391,784 1,665,684 14,202,977 17,675,741 16,592,044 Less: Assets sold, written-off, reclassified to ready for sale and deconsolidated 2,115,034 4,601,729 354,161 Balance at end of period $ 12,087,943 $ 13,074,012 $ 16,237,883 Accumulated Depreciation Balance at beginning of period $ 3,015,958 $ 3,180,175 $ 2,885,283 Additions charged to operating expenses 344,301 360,194 381,500 3,360,259 3,540,369 3,266,783 Less: Accumulated depreciation on assets sold, written-off and deconsolidated 190,813 524,411 86,608 Balance at end of period $ 3,169,446 $ 3,015,958 $ 3,180,175

Organization and Business - (Na

Organization and Business - (Narrative) (Details) ft² in Millions	12 Months Ended
	Dec. 31, 2020ft²propertyunitbuildingroom
Alexanders Inc
Real Estate Properties
Equity method ownership percentage	32.40%
New York | Manhattan | Office Building
Real Estate Properties
Square footage of real estate property (in sqft)	20.6
Number of real estate properties | property	33
New York | Manhattan | Retail
Real Estate Properties
Square footage of real estate property (in sqft)	2.7
Number of real estate properties | property	65
New York | Manhattan | Residential Properties
Real Estate Properties
Number of real estate properties | property	10
Number of units in real estate property (in number of residential units) | unit	1,989
New York | Manhattan | Hotel Pennsylvania
Real Estate Properties
Number of units in real estate property (in number of residential units) | room	1,700
New York | Alexanders Inc | New York City Metropolitan Area
Real Estate Properties
Number of real estate properties | property	7
Equity method ownership percentage	32.40%
New York | Alexanders Inc | New York City Metropolitan Area | Lexington Avenue 731
Real Estate Properties
Square footage of real estate property (in sqft)	1.3
Other | Real estate fund investments
Real Estate Properties
Equity method ownership percentage	25.00%
Other | Chicago | the Mart, Chicago
Real Estate Properties
Square footage of real estate property (in sqft)	3.7
Other | San Francisco | 555 California Street | Office Building
Real Estate Properties
Square footage of real estate property (in sqft)	1.8
Equity method ownership percentage	70.00%
Number of buildings | building	3
Operating Partnership
Real Estate Properties
Common limited partnership interest in the Operating Partnership	92.80%

COVID-19 Pandemic (Narrative) (

COVID-19 Pandemic (Narrative) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020USD ($)	Dec. 31, 2019USD ($)	Dec. 31, 2018USD ($)	Feb. 10, 2021	Apr. 30, 2020employee	Apr. 01, 2020USD ($)
Unusual or Infrequent Item, or Both [Line Items]
Income tax benefit	$ (36,630)	$ (103,439)	$ (37,633)
Hotel Pennsylvania
Unusual or Infrequent Item, or Both [Line Items]
Restructuring reserve, accrual	9,246
Income tax benefit	3,145
COVID-19
Unusual or Infrequent Item, or Both [Line Items]
Number of employees furloughed | employee					1,803
Write off of receivables arising from the straight-lining of rents	51,571
Write off of tenant receivables deemed uncollectible	$ 22,546
COVID-19 | Non-Management Member Board of Trustees
Unusual or Infrequent Item, or Both [Line Items]
Annual cash retainer forgone						$ 75
COVID-19 | Building Maintenance Service LLC
Unusual or Infrequent Item, or Both [Line Items]
Number of employees furloughed | employee					1,293
COVID-19 | Hotel Pennsylvania
Unusual or Infrequent Item, or Both [Line Items]
Number of employees furloughed | employee					414
COVID-19 | Vornado Realty Trust
Unusual or Infrequent Item, or Both [Line Items]
Number of employees furloughed | employee					96
COVID-19 | Vornado Realty Trust | Subsequent Event
Unusual or Infrequent Item, or Both [Line Items]
Percentage of employees returned from furlough				50.00%

Basis of Presentation and Sig_4

Basis of Presentation and Significant Accounting Policies (Recently Issued Accounting Literature) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' equity	$ 6,948,155	$ 7,310,978	$ 5,107,883	$ 5,007,701
Credit losses on loans receivable	13,369	0	0
Earnings Less Than Distributions
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' equity	$ (2,774,182)	(1,954,266)	$ (4,167,184)	(4,183,253)
Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' equity		(16,064)		14,519
Cumulative Effect, Period of Adoption, Adjustment | Earnings Less Than Distributions
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders' equity		$ (16,064)		$ 122,893

Basis of Presentation and Sig_5

Basis of Presentation and Significant Accounting Policies (Real Estate) (Details)	12 Months Ended
	Dec. 31, 2020
Real Estate [Line Items]
Real estate and accumulated depreciation life used for depreciation	40 years
Minimum
Real Estate [Line Items]
Real estate and accumulated depreciation life used for depreciation	7 years
Maximum
Real Estate [Line Items]
Real estate and accumulated depreciation life used for depreciation	40 years

Basis of Presentation and Sig_6

Basis of Presentation and Significant Accounting Policies (Allowance for Doubtful Accounts) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2018USD ($)
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Amount charged against operations	$ 1,910
Uncollectible accounts written-off	2,592
Allowance for doubtful accounts	$ 5,798

Basis of Presentation and Sig_7

Basis of Presentation and Significant Accounting Policies (Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Contingency [Line Items]
Minimum percentage of taxable income distributed as dividends	90.00%
Percentage of taxable income distributed	100.00%
Deferred tax assets related to net operating loss carryforward utilized	$ 15,017	$ 57,226
Deferred tax liabilities	29,348	29,444
Income tax expense	$ 36,630	$ 103,439	$ 37,633
Effective income tax reconciliation, percent	(8.60%)	3.00%	8.20%
Net basis difference of assets and liabilities between tax basis and GAAP basis	$ 3,100,000
Ordinary Income
Income Tax Contingency [Line Items]
Percentage of taxable income distributed		62.10%	91.70%
Long Term Capital Gain
Income Tax Contingency [Line Items]
Percentage of taxable income distributed		37.90%	8.30%
220 Central Park South
Income Tax Contingency [Line Items]
Income tax expense	$ 49,221	$ 101,828

Basis of Presentation and Sig_8

Basis of Presentation and Significant Accounting Policies (Estimated Taxable Income) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Accounting Policies [Abstract]
Net income attributable to Vornado common shareholders / Class A unit holders	$ (348,744)	$ 3,097,806	$ 384,832
Impairment losses	602,430	95,371	11,260
Depreciation and amortization	228,520	200,913	234,325
Sale of real estate and other capital transactions	(151,960)	(2,575,435)	31,527
Straight-line rent adjustments	70,923	9,057	(7,133)
Earnings of partially owned entities	11,074	150,550	15,711
Vornado stock options	(381)	(16,597)	(22,992)
Tangible property regulations	0	(57,078)	(86,040)
Other, net	7,950	12,575	18,956
Estimated taxable income (unaudited)	$ 419,812	$ 917,162	$ 580,446

Revenue Recognition (Revenue by

Revenue Recognition (Revenue by Segment) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Disaggregation of Revenue [Line Items]
Lease revenues	$ 1,343,391	$ 1,719,710
Total revenues	1,527,951	1,924,700	$ 2,163,720
Write-off of lease receivables deemed uncollectible	63,204	17,237	0
Rental revenues
Disaggregation of Revenue [Line Items]
Total revenues	1,377,635	1,767,222	2,007,333
Lease revenues
Disaggregation of Revenue [Line Items]
Lease revenues	1,343,391	1,719,710	1,953,412
Property rentals
Disaggregation of Revenue [Line Items]
Lease revenues	1,323,347	1,589,539	1,816,329
Write-off of lease receivables deemed uncollectible	63,204	17,237
Hotel Pennsylvania
Disaggregation of Revenue [Line Items]
Lease revenues	8,741	89,594	94,399
Trade shows
Disaggregation of Revenue [Line Items]
Lease revenues	11,303	40,577	42,684
Tenant services
Disaggregation of Revenue [Line Items]
Revenues	34,244	47,512	53,921
Fee and other income
Disaggregation of Revenue [Line Items]
Revenues	150,316	157,478	156,387
Total revenues	150,316	157,478	156,387
BMS cleaning fees
Disaggregation of Revenue [Line Items]
Revenues	105,536	124,674	120,357
Management and leasing fees
Disaggregation of Revenue [Line Items]
Revenues	19,416	13,542	13,324
Other income
Disaggregation of Revenue [Line Items]
Revenues	25,364	19,262	22,706
New York
Disaggregation of Revenue [Line Items]
Total revenues	1,221,748	1,577,860	1,836,036
New York | Rental revenues
Disaggregation of Revenue [Line Items]
Total revenues	1,083,500	1,424,990	1,683,976
New York | Lease revenues
Disaggregation of Revenue [Line Items]
Lease revenues	1,059,750	1,389,979	1,642,625
New York | Property rentals
Disaggregation of Revenue [Line Items]
Lease revenues	1,051,009	1,300,385	1,548,226
New York | Hotel Pennsylvania
Disaggregation of Revenue [Line Items]
Lease revenues	8,741	89,594	94,399
New York | Trade shows
Disaggregation of Revenue [Line Items]
Lease revenues	0	0	0
New York | Tenant services
Disaggregation of Revenue [Line Items]
Revenues	23,750	35,011	41,351
New York | Fee and other income
Disaggregation of Revenue [Line Items]
Revenues	138,248	152,870	152,060
New York | BMS cleaning fees
Disaggregation of Revenue [Line Items]
Revenues	112,112	133,358	129,088
New York | Management and leasing fees
Disaggregation of Revenue [Line Items]
Revenues	19,508	13,694	12,203
New York | Other income
Disaggregation of Revenue [Line Items]
Revenues	6,628	5,818	10,769
Other
Disaggregation of Revenue [Line Items]
Total revenues	306,203	346,840	327,684
Other | Rental revenues
Disaggregation of Revenue [Line Items]
Total revenues	294,135	342,232	323,357
Other | Lease revenues
Disaggregation of Revenue [Line Items]
Lease revenues	283,641	329,731	310,787
Other | Property rentals
Disaggregation of Revenue [Line Items]
Lease revenues	272,338	289,154	268,103
Other | Hotel Pennsylvania
Disaggregation of Revenue [Line Items]
Lease revenues	0	0	0
Other | Trade shows
Disaggregation of Revenue [Line Items]
Lease revenues	11,303	40,577	42,684
Other | Tenant services
Disaggregation of Revenue [Line Items]
Revenues	10,494	12,501	12,570
Other | Fee and other income
Disaggregation of Revenue [Line Items]
Revenues	12,068	4,608	4,327
Other | BMS cleaning fees
Disaggregation of Revenue [Line Items]
Revenues	(6,576)	(8,684)	(8,731)
Other | Management and leasing fees
Disaggregation of Revenue [Line Items]
Revenues	(92)	(152)	1,121
Other | Other income
Disaggregation of Revenue [Line Items]
Revenues	$ 18,736	$ 13,444	$ 11,937

Revenue Recognition (Components

Revenue Recognition (Components of Lease Revenue) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenue from Contract with Customer [Abstract]
Fixed billings	$ 1,292,174	$ 1,531,917
Variable billings	126,907	199,291
Total contractual operating lease billings	1,419,081	1,731,208
Adjustment for straight-line rents and amortization of acquired below-market leases, net	(12,486)	5,739
Less: write-off of straight-line rent and tenant receivables deemed uncollectible	(63,204)	(17,237)	$ 0
Lease revenues	$ 1,343,391	$ 1,719,710

Real Estate Fund Investments (N

Real Estate Fund Investments (Narrative) (Details) $ in Thousands	Dec. 31, 2020USD ($)investment	Jun. 09, 2020USD ($)	Dec. 31, 2019USD ($)investment	Dec. 31, 2020USD ($)
Investment Holdings
Mortgages payable, net	$ 5,580,549		$ 5,639,897	$ 5,580,549
Real estate fund investments	$ 3,739		$ 222,649	$ 3,739
Vornado Capital Partners Real Estate Fund
Investment Holdings
Equity method ownership percentage	25.00%			25.00%
Term of the Fund, years				8 years
Investment period for commitments of the Fund, years				3 years
Crowne Plaza Times Square Hotel Joint Venture
Investment Holdings
Debt default, amount		$ 274,355
Debt instrument, interest rate, effective percentage	3.85%			3.85%
Debt instrument, default interest, percentage		3.00%
Real estate fund investments
Investment Holdings
Number of investments held by fund | investment	4		4
Real estate fund investments	$ 3,739		$ 222,649	$ 3,739
Excess of fair value below cost	339,022			339,022
Unfunded commitments of Fund	29,194			29,194
Real estate fund investments | Vornado Realty Trust
Investment Holdings
Unfunded commitments of Fund	$ 9,266			$ 9,266
Joint Venture | Crowne Plaza Times Square Hotel Joint Venture
Investment Holdings
Equity method ownership percentage	57.10%			57.10%
Joint Venture | Crowne Plaza Times Square Hotel Joint Venture | Crowne Plaza Time Square Hotel
Investment Holdings
Ownership percentage by noncontrolling owners	24.70%			24.70%
LIBOR | Crowne Plaza Times Square Hotel Joint Venture
Investment Holdings
Spread Over LIBOR (in percentage)		3.69%

Real Estate Fund Investments (I

Real Estate Fund Investments (Income from the Fund and the Co-Investment) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Details Of Income From Real Estate Funds
Loss (income) from real estate fund investments	$ (226,327)	$ (104,082)	$ (89,231)
Less loss attributable to noncontrolling interests in consolidated subsidiaries	139,894	24,547	53,023
Real estate fund investments
Details Of Income From Real Estate Funds
Net unrealized loss on held investments	(226,107)	(106,109)	(83,794)
Net investment (loss) income	(220)	2,027	6,105
Net realized (loss) gain on exited investments	0	0	(912)
New York City real property transfer tax (the "Transfer Tax")	0	0	(10,630)
Loss (income) from real estate fund investments	(226,327)	(104,082)	(89,231)
Less loss attributable to noncontrolling interests in consolidated subsidiaries	163,213	55,274	61,230
Loss from real estate fund investments net of noncontrolling interests in consolidated subsidiaries	$ (63,114)	$ (48,808)	$ (28,001)

Marketable Securities (Narrativ

Marketable Securities (Narrative) (Details) - USD ($) $ in Thousands	Jan. 23, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Mar. 31, 2019
Marketable Securities [Line Items]
Decrease in fair value of marketable securities		$ (4,938)	$ (5,533)	$ (26,453)
PREIT
Marketable Securities [Line Items]
Shares sold (shares)	6,250,000				6,250,000
Proceeds from sale of equity method investments	$ 28,375
Decrease in fair value of marketable securities		$ (4,938)	$ (21,649)	$ 0

Marketable Securities (Marketab

Marketable Securities (Marketable securities portfolio) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Marketable Securities [Roll Forward]
Beginning balance	$ 33,313	$ 152,198
Sale of marketable securities	(28,375)	(168,314)
Transfer of PREIT investment balance		54,962
Decrease in fair value of marketable securities	(4,938)	(5,533)	$ (26,453)
Ending balance	$ 0	$ 33,313	$ 152,198

Investments in Partially Owne_3

Investments in Partially Owned Entities (Fifth Avenue and Times Square JV) (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Apr. 30, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Schedule of Equity Method Investments [Line Items]
Real estate held-for-sale		$ 128,215	$ 408,918
Net gain on transfer to Fifth Avenue and Times Square JV		0	2,571,099	$ 0
Non-cash impairment loss		(236,286)	(8,065)	(12,000)
Majority-Owned Subsidiary, Unconsolidated | Property Management Fee
Schedule of Equity Method Investments [Line Items]
Revenue from related parties		$ 3,982	3,085
Fifth Avenue and Times Square JV
Schedule of Equity Method Investments [Line Items]
Equity method ownership percentage		51.50%
Real estate held-for-sale	$ 5,556,000
Net gain on transfer to Fifth Avenue and Times Square JV	2,571,000
Net gain from real estate investment partnership, attributable to noncontrolling interest	$ 11,945
Non-cash impairment loss		$ (413,349)	0	$ 0
Non-cash impairment loss related to noncontrolling interest		4,289
Basis difference in carrying amount		$ 403,029
Property management fee agreement percentage of income		2.00%
Development fee percent		5.00%
Supervisory fee, percent		1.50%
Fifth Avenue and Times Square JV | Building Maintenance Service
Schedule of Equity Method Investments [Line Items]
Fee income recognized by equity method investees for building maintenance services		$ 3,595	$ 3,087
Fifth Avenue and Times Square JV | Joint Venture
Schedule of Equity Method Investments [Line Items]
Aggregate of preferred equity interests		$ 1,828,000
Fifth Avenue and Times Square JV | Joint Venture | Investors
Schedule of Equity Method Investments [Line Items]
Equity method ownership percentage	48.50%	48.50%
Equity method investment, effective ownership percentage		47.20%
Fifth Avenue and Times Square JV | Joint Venture | Percentage For First Five Years
Schedule of Equity Method Investments [Line Items]
Debt instrument, interest rate, stated percentage		4.25%
Fifth Avenue and Times Square JV | Joint Venture | Increase in Percentage After Fifth Anniversary
Schedule of Equity Method Investments [Line Items]
Debt instrument, interest rate, stated percentage		4.75%
Fifth Avenue and Times Square JV | Vornado Realty Trust
Schedule of Equity Method Investments [Line Items]
Equity method ownership percentage		51.50%
Equity method investment, effective ownership percentage		51.00%

Investments in Partially Owne_4

Investments in Partially Owned Entities (Alexander's Inc.) (Details)	Sep. 14, 2020USD ($)	Dec. 31, 2020USD ($)$ / sharesshares	Oct. 23, 2020USD ($)apartment_unit	Sep. 13, 2020USD ($)	Dec. 31, 2018USD ($)
Alexanders Inc
Equity Method Investments And Income From Equity Method Investments
Investment owned, balance, shares | shares		1,654,068
Equity method ownership percentage		32.40%
Accounts receivable, related parties		$ 1,516,000			$ 1,426,000
Closing share price (in dollars per share) | $ / shares		$ 277.35
Equity method investment fair value		$ 458,756,000
Excess of investee's fair value over carrying amount		375,854,000
Excess of investee's carrying amount over equity in net assets		$ 38,470,000
Interest rate, end of period (percent)		1.65%
Mortgages
Equity Method Investments And Income From Equity Method Investments
Interest rate, end of period (percent)		2.91%
Lexington Avenue Property | Mortgages | Retail | Alexanders Inc
Equity Method Investments And Income From Equity Method Investments
Debt instrument, amount	$ 300,000,000			$ 350,000,000
Repayment of debt	$ 50,000,000
Spread Over LIBOR (in percentage)	1.40%
Interest rate, end of period (percent)		1.55%
Debt instrument, interest rate, stated percentage		1.72%
The Alexander | Mortgages | Residential | Alexanders Inc
Equity Method Investments And Income From Equity Method Investments
Notes payable gross			$ 94,000,000
Number of units | apartment_unit			312
Debt instrument, interest rate, stated percentage			2.63%

Investments in Partially Owne_5

Investments in Partially Owned Entities (Management, Development, Leasing and Other Agreements) (Details) - Alexanders Inc	12 Months Ended
	Dec. 31, 2020USD ($)$ / ft²	Dec. 31, 2019USD ($)	Dec. 31, 2018USD ($)
Managment Agreement [Abstract]
Management fee income	$ 2,800,000
Development fee percent	6.00%
Leasing Agreement [Abstract]
Lease fee percentage of rent one to ten years	3.00%
Lease fee percentage of rent eleven to twenty years	2.00%
Lease fee percentage of rent twenty first to thirty years	1.00%
Percentage increase lease fee if broker used	1.00%
Percentage commissions on sale of assets under fifty million	3.00%
Asset sale commission threshold	$ 50,000,000
Percentage commissions on sale of assets over fifty million	1.00%
Rego Park 2 Property
Managment Agreement [Abstract]
Property management fee agreement percentage of income	2.00%
Lexington Avenue 731
Managment Agreement [Abstract]
Property management fee agreement price per square foot | $ / ft²	0.50
Common Area 731 Lexington Avenue
Managment Agreement [Abstract]
Management fee income	$ 334,000
Property management fee agreement escalation percentage of income	3.00%
Building Maintenance Service
Other Agreements [Abstract]
Fee income recognized by equity method investees for building maintenance services	$ 3,613,000	$ 3,613,000	$ 2,705,000

Investments in Partially Owne_6

Investments in Partially Owned Entities (Summary of Investments) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Schedule of Equity Method Investments [Line Items]
Carrying amount of investments in partially owned entities	$ 3,491,107	$ 3,999,165
Fifth Avenue and Times Square JV
Schedule of Equity Method Investments [Line Items]
Equity method ownership percentage	51.50%
Carrying amount of investments in partially owned entities	$ 2,798,413	3,291,231
Partially Owned Office Buildings
Schedule of Equity Method Investments [Line Items]
Carrying amount of investments in partially owned entities	$ 473,285	464,109
Alexanders Inc
Schedule of Equity Method Investments [Line Items]
Equity method ownership percentage	32.40%
Carrying amount of investments in partially owned entities	$ 82,902	98,543
Other investments
Schedule of Equity Method Investments [Line Items]
Carrying amount of investments in partially owned entities	$ 136,507	145,282
7 West 34th Street
Schedule of Equity Method Investments [Line Items]
Equity method ownership percentage	53.00%
85 Tenth Avenue
Schedule of Equity Method Investments [Line Items]
Equity method ownership percentage	49.90%
Other Liabilities
Schedule of Equity Method Investments [Line Items]
Carrying amount of investments in partially owned entities	$ (68,420)	(60,190)
Other Liabilities | 7 West 34th Street
Schedule of Equity Method Investments [Line Items]
Carrying amount of investments in partially owned entities	(55,340)	(54,004)
Other Liabilities | 85 Tenth Avenue
Schedule of Equity Method Investments [Line Items]
Carrying amount of investments in partially owned entities	$ (13,080)	$ (6,186)

Investments in Partially Owne_7

Investments in Partially Owned Entities (Summary of Income (Loss) ) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Schedule of Equity Method Investments [Line Items]
Real estate impairment losses	$ (236,286)	$ (8,065)	$ (12,000)
Our share of net income (loss)	(329,112)	78,865	9,149
Transfer tax expense	$ 0	0	13,103
One Park Avenue
Schedule of Equity Method Investments [Line Items]
Transfer tax expense			4,978
Fifth Avenue and Times Square JV
Schedule of Equity Method Investments [Line Items]
Equity method ownership percentage	51.50%
Real estate impairment losses	$ (413,349)	0	0
Return on preferred equity, net of our share of the expense	37,357	27,586	0
Equity in net income (loss)	21,063	31,130	0
Our share of net income (loss)	(354,929)	58,716	0
Fifth Avenue and Times Square JV | 1540 Broadway
Schedule of Equity Method Investments [Line Items]
Rent reduction	13,971
Write off of rent receivable	$ 3,125
Alexanders Inc
Schedule of Equity Method Investments [Line Items]
Equity method ownership percentage	32.40%
Equity in net income (loss)	$ 13,326	19,204	10,485
Management, leasing and development fees	5,309	4,575	4,560
Our share of net income (loss)	18,635	23,779	15,045
Write off of rent receivable	4,846
Transfer tax paid			7,708
Partially Owned Office Buildings
Schedule of Equity Method Investments [Line Items]
Our share of net income (loss)	12,742	(3,443)	(3,085)
Other investments
Schedule of Equity Method Investments [Line Items]
Our share of net income (loss)	$ (5,560)	$ (187)	(2,811)
666 Fifth Avenue (Office)
Schedule of Equity Method Investments [Line Items]
Equity in net income (loss)			$ (4,873)

Investments in Partially Owne_8

Investments in Partially Owned Entities (Summary of Debt) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Partially Owned Office Buildings
Schedule of Equity Method Investments [Line Items]
Maturity, range, start	2021
Maturity, range, end	2029
Debt instrument, interest rate, effective percentage	2.89%
Equity method investment debt of partially owned entities	$ 3,622,572	$ 3,604,104
Alexanders Inc
Schedule of Equity Method Investments [Line Items]
Equity method ownership percentage	32.40%
Maturity, range, start	2021
Maturity, range, end	2027
Debt instrument, interest rate, effective percentage	1.65%
Equity method investment debt of partially owned entities	$ 1,164,544	974,836
Fifth Avenue and Times Square JV
Schedule of Equity Method Investments [Line Items]
Equity method ownership percentage	51.50%
Maturity, range, start	2022
Maturity, range, end	2024
Debt instrument, interest rate, effective percentage	2.63%
Equity method investment debt of partially owned entities	$ 950,000	950,000
Other equity method investments
Schedule of Equity Method Investments [Line Items]
Maturity, range, start	2021
Maturity, range, end	2025
Debt instrument, interest rate, effective percentage	4.32%
Equity method investment debt of partially owned entities	$ 1,288,265	1,290,227
640 Fifth Avenue
Schedule of Equity Method Investments [Line Items]
Mortgage loans on real estate, face amount of mortgages	500,000
7 West 34th Street
Schedule of Equity Method Investments [Line Items]
Mortgage loans on real estate, face amount of mortgages	300,000
Partially Owned Properties
Schedule of Equity Method Investments [Line Items]
Equity method investment pro rata share debt of partially owned entities	$ 2,873,174	$ 2,802,859

Investments in Partially Owne_9

Investments in Partially Owned Entities (Summary of Condensed Combined Financial Information) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Assets	$ 16,221,822	$ 18,287,013
Liabilities	8,667,400	10,087,120
Noncontrolling interests	606,267	888,915
Equity	6,533,198	6,732,030
Total revenues	1,527,951	1,924,700	$ 2,163,720
Net (loss) income	(461,845)	3,334,262	422,603
Net income attributable to Vornado / Vornado Realty L.P.	(297,005)	3,147,937	449,954
Partially Owned Properties
Assets	13,344,000	13,384,000
Liabilities	7,747,000	7,548,000
Noncontrolling interests	2,075,000	2,054,000
Equity	3,522,000	3,782,000
Total revenues	1,163,000	1,504,000	1,798,000
Net (loss) income	45,000	39,000	52,000
Net income attributable to Vornado / Vornado Realty L.P.	$ (33,000)	$ (32,000)	$ 21,000

220 Central Park South - Narrat

220 Central Park South - Narrative (Details) ft² in Thousands, $ in Thousands	Dec. 31, 2020USD ($)ft²	Dec. 31, 2020USD ($)ft²unit	Dec. 31, 2019USD ($)	Dec. 31, 2018USD ($)	Dec. 31, 2020USD ($)ft²unit
Real Estate [Line Items]
Net gains on sale of real estate		$ 0	$ 2,571,099	$ 0
Income tax expense		$ 36,630	103,439	$ 37,633
Percentage of units sold or under sales contract	91.00%
220 Central Park South
Real Estate [Line Items]
Square footage of real estate property (in sqft) | ft²	397	397			397
Development costs, cumulative	$ 1,480,000	$ 1,480,000			$ 1,480,000
Development costs expended	$ 1,455,000	$ 1,455,000			$ 1,455,000
Number of units sold | unit		35			100
Cash proceeds from sale of real estate		$ 1,049,360			$ 2,869,492
Net gains on sale of real estate		381,320			$ 1,066,937
Income tax expense		$ 49,221	$ 101,828

Identified Intangible Assets _3

Identified Intangible Assets and Liabilities - Schedule of Identified Intangible Assets and Intangible Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Gross amount	$ 116,969	$ 129,552
Accumulated amortization	(93,113)	(98,587)
Net	23,856	30,965
Identified intangible liabilities (included in deferred revenue):
Gross amount	273,902	316,119
Accumulated amortization	(238,541)	(262,580)
Net	$ 35,361	$ 53,539

Identified Intangible Assets _4

Identified Intangible Assets and Liabilities - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Below Market Leases Net Of Above Market Leases
Finite-Lived Intangible Assets [Line Items]
Amortization of Intangible Assets	$ 16,878	$ 19,830	$ 38,573
Other Identified Intangible Assets
Finite-Lived Intangible Assets [Line Items]
Amortization of Intangible Assets	$ (6,507)	$ (8,666)	$ (18,018)

Identified Intangible Assets _5

Identified Intangible Assets and Liabilities - Schedule of Future Amortization Expense of Intangible Assets (Details) $ in Thousands	Dec. 31, 2020USD ($)
Below Market Leases Net Of Above Market Leases
Finite-Lived Intangible Assets [Line Items]
2021	$ 10,697
2022	9,169
2023	6,631
2024	2,883
2025	1,453
Other Identified Intangible Assets
Finite-Lived Intangible Assets [Line Items]
2021	4,334
2022	3,734
2023	3,648
2024	3,034
2025	$ 2,150

Debt (Narrative) (Details)

Debt (Narrative) (Details) ft² in Millions	Nov. 02, 2020USD ($)	Oct. 15, 2020USD ($)ft²extension	Feb. 28, 2020USD ($)	Dec. 31, 2020	Oct. 14, 2020USD ($)	Aug. 12, 2020USD ($)ft²	Feb. 27, 2020USD ($)
Unsecured term loan
Debt Instrument
Long-term debt, gross			$ 800,000,000				$ 750,000,000
Long-term debt, interest accrued at fixed rate			$ 750,000,000
Debt instrument, interest rate, stated percentage			3.87%	1.15%
Long-term debt, interest accrued at floating rate			$ 50,000,000
Unsecured term loan | LIBOR
Debt Instrument
Spread Over LIBOR (in percentage)			1.00%
Maturing in March 2022 | Office Building | 770 Broadway mortgage loan
Debt Instrument
Debt instrument, amount						$ 700,000,000
Square footage of real estate property (in sqft) | ft²						1.2
Maturing in October 2023 | Office Building | PENN11
Debt Instrument
Debt instrument, interest rate, stated percentage				2.90%	3.95%
Spread Over LIBOR (in percentage)		2.75%
Debt instrument, amount		$ 500,000,000			$ 450,000,000
Square footage of real estate property (in sqft) | ft²		1.2
Number of extensions (extension) | extension		2
Length of extension available (years)		1 year
Maturing in February 2021 | Borgata Hotel and Casino
Debt Instrument
Debt instrument, interest rate, stated percentage	5.14%
Repayment of debt	$ 52,476,000
Debt term (years)	10 years

Debt (Summary of Debt) (Details

Debt (Summary of Debt) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Debt Instrument
Deferred financing costs, net and other	$ (34,462)	$ (38,407)
Unsecured term loan, net	796,762	745,840
Revolving credit facilities	575,000	575,000
Long-term debt	1,818,447	1,766,712
Collateral property, net carrying value	5,500,000
Mortgages
Debt Instrument
Mortgages payable, gross	5,608,458	5,670,016
Deferred financing costs, net and other	(27,909)	(30,119)
Total, net	$ 5,580,549	5,639,897
Interest rate, end of period (in percentage)	2.91%
Mortgages | Fixed Rate
Debt Instrument
Mortgages payable, gross	$ 3,012,643	4,601,516
Interest rate, end of period (in percentage)	3.68%
Mortgages | Variable Rate
Debt Instrument
Mortgages payable, gross	$ 2,595,815	1,068,500
Interest rate, end of period (in percentage)	2.02%
Senior unsecured notes
Debt Instrument
Deferred financing costs, net and other	$ (3,315)	(4,128)
Unsecured debt, gross	450,000	450,000
Unsecured term loan, net	$ 446,685	445,872
Interest rate, end of period (in percentage)	3.50%
Unsecured term loan
Debt Instrument
Deferred financing costs, net and other	$ (3,238)	(4,160)
Unsecured debt, gross	800,000	750,000
Unsecured term loan, net	$ 796,762	745,840
Interest rate, end of period (in percentage)	3.70%
Unsecured revolving credit facilities
Debt Instrument
Revolving credit facilities	$ 575,000	$ 575,000
Interest rate, end of period (in percentage)	1.05%

Debt (Principal repayments requ

Debt (Principal repayments required in the next five years) (Details) $ in Thousands	Dec. 31, 2020USD ($)
Mortgages
Contractual Obligation, Fiscal Year Maturity Schedule [Abstract]
2021	$ 2,609,243
2022	971,600
2023	523,400
2024	773,215
2025	331,000
Thereafter	400,000
Senior Unsecured Debt And Unsecured Revolving Credit Facilities
Contractual Obligation, Fiscal Year Maturity Schedule [Abstract]
2021	0
2022	0
2023	575,000
2024	800,000
2025	450,000
Thereafter	$ 0

Redeemable Noncontrolling Int_3

Redeemable Noncontrolling Interests (Details of Redeemable Noncontrolling Interest Units) (Details) - USD ($) $ / shares in Units, $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Class A
Redeemable Noncontrolling Interest
Class A common units, carrying amount	$ 507,212	$ 884,380
Outstanding Partnership Units held by Third Parties	13,583,607	13,298,956
Preferred or annual distribution rate (in dollars per share)	$ 2.38
D16 Cumulative Redeemable
Redeemable Noncontrolling Interest
Debt instrument, interest rate, stated percentage	5.00%
Series D cumulative redeemable preferred, carrying amount	$ 1,000	$ 1,000
Outstanding Partnership Units held by Third Parties	1	1
Par or stated value per share	$ 1,000,000
Preferred or annual distribution rate (in dollars per share)	$ 50,000
D17 Cumulative Redeemable
Redeemable Noncontrolling Interest
Debt instrument, interest rate, stated percentage	3.25%
Series D cumulative redeemable preferred, carrying amount	$ 3,535	$ 3,535
Outstanding Partnership Units held by Third Parties	141,400	141,400
Par or stated value per share	$ 25
Preferred or annual distribution rate (in dollars per share)	$ 0.8125

Redeemable Noncontrolling Int_4

Redeemable Noncontrolling Interests (Activity of Redeemable Noncontrolling Interests) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Redeemable Noncontrolling Interests Rollforward
Beginning balance	$ 888,915
Net (loss) income	(24,946)	$ 210,872	$ 25,672
Other comprehensive loss	(2,914)	(3,235)	(836)
Ending balance	606,267	888,915
Partnership Interest
Redeemable Noncontrolling Interests Rollforward
Beginning balance	888,915	783,562
Net (loss) income	(24,946)	210,872
Other comprehensive loss	(2,914)	(3,235)
Distributions	(32,595)	(34,607)
Special distribution declared on December 18, 2019 (see Note 12 - Shareholder's Equity/Partners' Capital)	0	(25,912)
Other, net	36,596	40,295
Ending balance	511,747	888,915	$ 783,562
Subsidiaries
Redeemable Noncontrolling Interests Rollforward
Beginning balance	0
Net (loss) income	544
Contributions	92,400
Other, net	1,576
Ending balance	94,520	0
Class A | Partnership Interest
Redeemable Noncontrolling Interests Rollforward
Redemption of Class A units for Vornado common shares, at redemption value	(9,266)	(11,250)
Redeemable Class A unit measurement adjustment	$ (344,043)	$ (70,810)

Redeemable Noncontrolling Int_5

Redeemable Noncontrolling Interests (Narrative) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Redeemable Noncontrolling Interest
Fair value of Series G convertible preferred units and Series D-13 cumulative redeemable preferred units	$ 50,002	$ 50,561
Farley Office and Retail Building | Joint Venture
Redeemable Noncontrolling Interest
Equity method ownership percentage	95.00%
Capital contributions	$ 92,400

Shareholders' Equity_Partners_3

Shareholders' Equity/Partners' Capital (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	Nov. 24, 2020	Jan. 15, 2020	Dec. 18, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020
Common Stock Number Of Shares Par Value And Other Disclosures
Common shares / Class A units of beneficial interest: outstanding shares				191,354,679	190,985,677
Dividends / Distributions paid on common shares / Class A units				$ 827,319	$ 503,785	$ 479,348
Preferred Stock, Number of Shares, Par Value and Other Disclosures
Proceeds from issuance of preferred shares				$ 291,182	$ 0	0
Preferred shares of beneficial interest: authorized shares				110,000,000	110,000,000
Preferred stock, redemption price per share (in usd per share)				$ 1.9531
Preferred dividends				$ 64,271	$ 50,131	55,115
Dividends on preferred shares / Distributions to preferred unitholders (see Note 12 for dividends per share amounts)				51,739	$ 50,131	50,636
5.25% Series N
Preferred Stock, Number of Shares, Par Value and Other Disclosures
Cumulative redeemable preferred units issuance, shares	12,000,000
Preferred stock dividend rate	5.25%
Proceeds from issuance of preferred shares				$ 291,182
Redeemable Preferred Stock | 5.25% Series N
Preferred Stock, Number of Shares, Par Value and Other Disclosures
Preferred stock dividend rate	5.25%			5.25%
Preferred shares of beneficial interest: authorized shares	12,000,000			12,000,000
Preferred stock, redemption price per share (in usd per share)	$ 25			$ 25
Class A
Common Stock Number Of Shares Par Value And Other Disclosures
Outstanding Partnership Units held by Third Parties				13,583,607	13,298,956
Preferred Stock, Number of Shares, Par Value and Other Disclosures
Preferred stock, redemption price per share (in usd per share)				$ 1.9531
Vornado Realty L.P.
Common Stock Number Of Shares Par Value And Other Disclosures
Dividends / Distributions paid on common shares / Class A units				$ 827,319	$ 503,785	479,348
Payments of special dividend		$ 372,380
Preferred Stock, Number of Shares, Par Value and Other Disclosures
Proceeds from issuance of preferred shares				291,182	0	0
Preferred dividends				64,271	50,131	55,115
Dividends on preferred shares / Distributions to preferred unitholders (see Note 12 for dividends per share amounts)				$ 51,739	$ 50,131	$ 50,636
Vornado Realty L.P. | Class A
Common Stock Number Of Shares Par Value And Other Disclosures
Common shares / Class A units of beneficial interest: outstanding shares				191,354,679
Dividends / Distributions paid on common shares / Class A units				$ 454,857
Dividends per common share (usd per share)		$ 1.95		$ 0.53			$ 0.53	$ 0.66	$ 0.66
Payments of special dividend		$ 398,292
Outstanding Partnership Units held by Third Parties				13,583,607	13,298,956
Vornado Realty Trust
Common Stock Number Of Shares Par Value And Other Disclosures
Common shares / Class A units of beneficial interest: outstanding shares				191,354,679
Dividends / Distributions paid on common shares / Class A units				$ 454,857
Dividends per common share (usd per share)			$ 1.95	$ 0.53			$ 0.53	$ 0.66	$ 0.66
Payments of special dividend			$ 372,380

Shareholders' Equity_Partners_4

Shareholders' Equity/Partners' Capital (Preferred shares of beneficial interest) (Details) - USD ($) $ / shares in Units, $ in Thousands	Nov. 24, 2020	Dec. 31, 2020	Dec. 31, 2019
Details Of Preferred Shares Of Beneficial Interest
Preferred shares/units of beneficial interest: authorized shares		110,000,000	110,000,000
Preferred stock, value		$ 1,182,339	$ 891,214
Preferred shares/units of beneficial interest: outstanding shares		48,793,402	36,795,640
Redeemable Preferred Stock
Details Of Preferred Shares Of Beneficial Interest
Preferred stock, liquidation preference per share		$ 25
6.5% Series A | Convertible Preferred Stock
Details Of Preferred Shares Of Beneficial Interest
Preferred stock dividend rate		6.50%
Preferred shares/units of beneficial interest: authorized shares		13,402	15,640
Preferred stock, value		$ 934	$ 991
Preferred shares/units of beneficial interest: outstanding shares		13,402	15,640
Preferred stock, liquidation preference per share		$ 50
Preferred stock, dividend rate, per-dollar-amount		$ 3.25
5.70% Series K | Redeemable Preferred Stock
Details Of Preferred Shares Of Beneficial Interest
Preferred stock dividend rate		5.70%
Preferred shares/units of beneficial interest: authorized shares		12,000,000
Preferred stock, value		$ 290,971	$ 290,971
Preferred shares/units of beneficial interest: outstanding shares		12,000,000	12,000,000
Preferred stock, liquidation preference per share		$ 25
Preferred stock, dividend rate, per-dollar-amount		$ 1.425
5.40% Series L | Redeemable Preferred Stock
Details Of Preferred Shares Of Beneficial Interest
Preferred stock dividend rate		5.40%
Preferred shares/units of beneficial interest: authorized shares		13,800,000,000
Preferred stock, value		$ 290,306	$ 290,306
Preferred shares/units of beneficial interest: outstanding shares		12,000,000	12,000,000
Preferred stock, liquidation preference per share		$ 25
Preferred stock, dividend rate, per-dollar-amount		$ 1.35
5.25% Series M | Redeemable Preferred Stock
Details Of Preferred Shares Of Beneficial Interest
Preferred stock dividend rate		5.25%
Preferred shares/units of beneficial interest: authorized shares		13,800,000
Preferred stock, value		$ 308,946	$ 308,946
Preferred shares/units of beneficial interest: outstanding shares		12,780,000	12,780,000
Preferred stock, liquidation preference per share		$ 25
Preferred stock, dividend rate, per-dollar-amount		$ 1.3125
5.25% Series N
Details Of Preferred Shares Of Beneficial Interest
Preferred stock dividend rate	5.25%
5.25% Series N | Redeemable Preferred Stock
Details Of Preferred Shares Of Beneficial Interest
Preferred stock dividend rate	5.25%	5.25%
Preferred shares/units of beneficial interest: authorized shares	12,000,000	12,000,000
Preferred stock, value		$ 291,182	$ 0
Preferred shares/units of beneficial interest: outstanding shares		12,000,000	0
Preferred stock, liquidation preference per share		$ 25
Preferred stock, dividend rate, per-dollar-amount		$ 1.3125

Shareholders' Equity_Partners_5

Shareholders' Equity/Partners' Capital (AOCI by component) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020USD ($)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance, value	$ 7,310,978
Ending balance, value	6,948,155
Total
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance, value	(40,233)
Other comprehensive (loss) income	(34,866)
Ending balance, value	(75,099)
Accumulated other comprehensive income (loss) of nonconsolidated subsidiaries
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance, value	4
Other comprehensive (loss) income	(14,342)
Ending balance, value	(14,338)
Interest rate swaps
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance, value	(36,126)
Other comprehensive (loss) income	(29,972)
Ending balance, value	(66,098)
Other
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance, value	(4,111)
Other comprehensive (loss) income	9,448
Ending balance, value	$ 5,337

Variable Interest Entities (VIE

Variable Interest Entities (VIEs) (Narrative) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Variable Interest Entity
Assets	$ 16,221,822	$ 18,287,013
Liabilities	8,667,400	10,087,120
Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity
Assets	224,754	217,451
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity
Assets	4,053,841	4,923,656
Liabilities	$ 1,722,719	$ 2,646,623

Fair Value Measurements (Narrat

Fair Value Measurements (Narrative) (Details) $ in Thousands	Dec. 31, 2020USD ($)investment	Dec. 31, 2019USD ($)investment	Dec. 31, 2020USD ($)investment	Sep. 30, 2020
Financial Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
Real estate fund investments	$ 3,739	$ 222,649	$ 3,739
Real estate fund investments
Financial Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
Number of investments held by fund | investment	4	4
Real estate fund investments	$ 3,739	$ 222,649	3,739
Excess of fair value below cost	339,022		339,022
Recurring
Financial Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
Real estate fund investments	3,739	222,649	3,739
Recurring | Level 3
Financial Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
Real estate fund investments	3,739	$ 222,649	$ 3,739
Recurring | Level 3 | Real estate fund investments
Financial Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
Number of investments held by fund | investment			4
Real estate fund investments	3,739		$ 3,739
Excess of fair value below cost	$ 339,022		$ 339,022
Measurement Input, Cap Rate
Financial Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
Real estate, measurement input	0.050		0.050
Measurement Input, Cap Rate | Fifth Avenue and Times Square JV
Financial Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
Real estate, measurement input				0.0450
Discount rates
Financial Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
Real estate, measurement input	0.070		0.070
Discount rates | Fifth Avenue and Times Square JV
Financial Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
Real estate, measurement input				0.0625

Fair Value Measurements (Financ

Fair Value Measurements (Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Financial Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
Marketable securities	$ 0	$ 33,313	$ 152,198
Real estate fund investments	3,739	222,649
Real estate fund investments
Financial Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
Real estate fund investments	3,739	222,649
Recurring
Financial Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
Marketable securities		33,313
Real estate fund investments	3,739	222,649
Deferred compensation plan assets (included in restricted cash and other assets)	105,564	103,773
Loans receivable (included in investments in partially owned entities and in other assets)	47,743
Interest rate caps (included in other assets)	17	4,327
Total assets	157,063	364,062
Mandatorily redeemable instruments (included in other liabilities)	50,002	50,561
Interest rate swaps (included in other liabilities)	66,033	40,354
Total liabilities	116,035	90,915
Recurring | Level 1
Financial Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
Marketable securities		33,313
Real estate fund investments	0	0
Deferred compensation plan assets (included in restricted cash and other assets)	65,636	71,338
Loans receivable (included in investments in partially owned entities and in other assets)	0
Interest rate caps (included in other assets)	0	0
Total assets	65,636	104,651
Mandatorily redeemable instruments (included in other liabilities)	50,002	50,561
Interest rate swaps (included in other liabilities)	0	0
Total liabilities	50,002	50,561
Recurring | Level 2
Financial Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
Marketable securities		0
Real estate fund investments	0	0
Deferred compensation plan assets (included in restricted cash and other assets)	0	0
Loans receivable (included in investments in partially owned entities and in other assets)	0
Interest rate caps (included in other assets)	17	4,327
Total assets	17	4,327
Mandatorily redeemable instruments (included in other liabilities)	0	0
Interest rate swaps (included in other liabilities)	66,033	40,354
Total liabilities	66,033	40,354
Recurring | Level 3
Financial Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
Marketable securities		0
Real estate fund investments	3,739	222,649
Deferred compensation plan assets (included in restricted cash and other assets)	39,928	32,435
Loans receivable (included in investments in partially owned entities and in other assets)	47,743
Interest rate caps (included in other assets)	0	0
Total assets	91,410	255,084
Mandatorily redeemable instruments (included in other liabilities)	0	0
Interest rate swaps (included in other liabilities)	0	0
Total liabilities	0	0
Recurring | Level 3 | Real estate fund investments
Financial Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
Real estate fund investments	3,739
Restricted Cash | Recurring
Financial Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
Deferred compensation plan assets (included in restricted cash and other assets)	10,813	11,819
Other Assets | Recurring
Financial Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
Deferred compensation plan assets (included in restricted cash and other assets)	94,751	$ 91,954
Loans receivable (included in investments in partially owned entities and in other assets)	4,735
Partially Owned Properties | Recurring
Financial Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
Loans receivable (included in investments in partially owned entities and in other assets)	$ 43,008

Fair Value Measurements (Unobse

Fair Value Measurements (Unobservable Quantitative Input Ratios) (Details)	Dec. 31, 2020	Dec. 31, 2019
Discount rates
Unobservable Quantitative Input
Real estate, measurement input	0.070
Discount rates | Level 3 | Recurring | Maximum | Loans Receivable
Unobservable Quantitative Input
Loans receivable, measurement input	0.065
Discount rates | Level 3 | Recurring | Weighted Average | Loans Receivable
Unobservable Quantitative Input
Loans receivable, measurement input	0.065
Discount rates | Level 3 | Recurring | Real estate fund investments | Minimum
Unobservable Quantitative Input
Real estate, measurement input	0.076	0.086
Discount rates | Level 3 | Recurring | Real estate fund investments | Maximum
Unobservable Quantitative Input
Real estate, measurement input	0.150	0.120
Discount rates | Level 3 | Recurring | Real estate fund investments | Weighted Average
Unobservable Quantitative Input
Real estate, measurement input	0.127	0.099
Terminal capitalization rates | Level 3 | Recurring | Loans Receivable
Unobservable Quantitative Input
Loans receivable, measurement input	0.050
Terminal capitalization rates | Level 3 | Recurring | Weighted Average | Loans Receivable
Unobservable Quantitative Input
Loans receivable, measurement input	0.050
Terminal capitalization rates | Level 3 | Recurring | Real estate fund investments | Minimum
Unobservable Quantitative Input
Real estate, measurement input	0.055	0.049
Terminal capitalization rates | Level 3 | Recurring | Real estate fund investments | Maximum
Unobservable Quantitative Input
Real estate, measurement input	0.103	0.082
Terminal capitalization rates | Level 3 | Recurring | Real estate fund investments | Weighted Average
Unobservable Quantitative Input
Real estate, measurement input	0.079	0.059

Fair Value Measurements (Change

Fair Value Measurements (Changes in the Fair Value of Real Estate Fund Investments and Deferred Compensation Plan Assets) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Real estate fund investments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 222,649	$ 318,758
Net unrealized loss on held investments	(226,107)	(106,109)
Purchases/additional fundings	7,197	10,000
Ending balance	3,739	222,649
Deferred Compensation Plan Assets
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	32,435	37,808
Sales	(5,467)	(27,053)
Purchases/additional fundings	8,766	18,494
Realized and unrealized gains	808	1,947
Other, net	3,386	1,239
Ending balance	$ 39,928	$ 32,435

Fair Value Measurements (Chan_2

Fair Value Measurements (Changes in the Fair Value of Loans Receivable) (Details) - Loans Receivable $ in Thousands	12 Months Ended
	Dec. 31, 2020USD ($)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Beginning balance	$ 59,251
Credit losses	(13,369)
Interest accrual	2,461
Paydowns	(600)
Ending balance	$ 47,743

Fair Value Measurements (Summar

Fair Value Measurements (Summary of Derivative Instruments) (Details) - Designated as Hedging Instrument - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Interest Rate Cap | Other Assets
Derivative [Line Items]
Derivative Asset, Fair Value		$ 4,327,000
Derivative Asset, Notional Amount		1,250,000,000
Interest Rate Cap | Various | Other Assets
Derivative [Line Items]
Derivative Asset, Fair Value	$ 17,000	64,000
Derivative Asset, Notional Amount	175,000,000	175,000,000
Interest Rate Swap | Other Assets
Derivative [Line Items]
Derivative Asset, Fair Value		4,263,000
Derivative Asset, Notional Amount		1,075,000,000
Interest Rate Swap | Other Liabilities
Derivative [Line Items]
Derivative Liability, Fair Value	66,033,000	40,354,000
Derivative Liability, Notional Amount	850,000,000	850,000,000
Interest Rate Swap | Unsecured term loan | Other Liabilities
Derivative [Line Items]
Derivative Liability, Fair Value	57,723,000	36,809,000
Derivative Liability, Notional Amount	$ 750,000,000	$ 750,000,000
Derivative, Interest Rate	1.15%	2.80%
Derivative, Swap Rate	3.87%	3.87%
Derivative expiration date	2023-10	2023-10
Interest Rate Swap | 33-00 Northern Boulevard mortgage loan | Other Liabilities
Derivative [Line Items]
Derivative Liability, Fair Value	$ 8,310,000	$ 3,545,000
Derivative Liability, Notional Amount	$ 100,000,000	$ 100,000,000
Derivative, Interest Rate	1.95%	3.52%
Derivative, Swap Rate	4.14%	4.14%
Derivative expiration date	2025-01	2025-01
Interest Rate Swap | 770 Broadway mortgage loan | Other Assets
Derivative [Line Items]
Derivative Asset, Fair Value		$ 4,045,000
Derivative Asset, Notional Amount		$ 700,000,000
Derivative, Interest Rate		3.46%
Derivative, Swap Rate		2.56%
Derivative expiration date		2020-09
Interest Rate Swap | 888 Seventh Avenue mortgage loan | Other Assets
Derivative [Line Items]
Derivative Asset, Fair Value		$ 218,000
Derivative Asset, Notional Amount		$ 375,000,000
Derivative, Interest Rate		3.44%
Derivative, Swap Rate		3.25%
Derivative expiration date		2020-12
Interest Rate Swap | LIBOR | Unsecured term loan | Other Liabilities
Derivative [Line Items]
Derivative, Average Basis Spread on Variable Rate	1.00%	1.00%
Interest Rate Swap | LIBOR | 33-00 Northern Boulevard mortgage loan | Other Liabilities
Derivative [Line Items]
Derivative, Average Basis Spread on Variable Rate	1.80%	1.80%
Interest Rate Swap | LIBOR | 770 Broadway mortgage loan | Other Assets
Derivative [Line Items]
Derivative, Average Basis Spread on Variable Rate		1.75%
Interest Rate Swap | LIBOR | 888 Seventh Avenue mortgage loan | Other Assets
Derivative [Line Items]
Derivative, Average Basis Spread on Variable Rate		1.70%
Floating | Interest Rate Swap | Unsecured term loan | Other Liabilities
Derivative [Line Items]
Derivative Liability, Notional Amount	$ 50,000,000
Floating | Interest Rate Swap | LIBOR | Unsecured term loan | Other Liabilities
Derivative [Line Items]
Derivative, Average Basis Spread on Variable Rate	1.00%

Fair Value Measurements (Fair V

Fair Value Measurements (Fair Value Measurements on a Nonrecurring Basis) (Details) - Real Estate - Nonrecurring - USD ($) $ in Thousands	Dec. 31, 2020	Sep. 30, 2020
Financial Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
Real estate assets	$ 191,116
Fifth Avenue and Times Square JV
Financial Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
Real estate assets		$ 2,811,374
Level 1
Financial Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
Real estate assets	0
Level 1 | Fifth Avenue and Times Square JV
Financial Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
Real estate assets		0
Level 2
Financial Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
Real estate assets	0
Level 2 | Fifth Avenue and Times Square JV
Financial Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
Real estate assets		0
Level 3
Financial Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
Real estate assets	$ 191,116
Level 3 | Fifth Avenue and Times Square JV
Financial Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
Real estate assets		$ 2,811,374

Fair Value Measurements (Carryi

Fair Value Measurements (Carrying Amounts and Fair Value of Financial Instruments) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Unsecured revolving credit facilities - Carrying Amount	$ 575,000	$ 575,000
Deferred financing costs, net and other	34,462	38,407
Senior unsecured notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Unsecured debt, gross	450,000	450,000
Deferred financing costs, net and other	3,315	4,128
Unsecured term loan
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Unsecured debt, gross	800,000	750,000
Deferred financing costs, net and other	3,238	4,160
Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Cash equivalents - Carrying Amount	1,476,427	1,276,815
Mortgages payable, gross	5,608,458	5,670,016
Unsecured revolving credit facilities - Carrying Amount	575,000	575,000
Long-term debt - Carrying Amount	7,433,458	7,445,016
Carrying Amount | Senior unsecured notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Unsecured debt, gross	450,000	450,000
Carrying Amount | Unsecured term loan
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Unsecured debt, gross	800,000	750,000
Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term debt - Fair Value	7,463,000	7,507,000
Fair Value | Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Cash Equivalents - Fair Value	1,476,000	1,277,000
Unsecured revolving credit facilities - Fair Value	575,000	575,000
Fair Value | Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Mortgages payable, gross	5,612,000	5,714,000
Fair Value | Senior unsecured notes | Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Unsecured debt, gross	476,000	468,000
Fair Value | Unsecured term loan | Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Unsecured debt, gross	$ 800,000	$ 750,000

Stock-based Compensation (Out P

Stock-based Compensation (Out Performance Plans Narrative) (Details)	Mar. 30, 2020USD ($)component	Mar. 15, 2018	Dec. 31, 2020USD ($)shares	Dec. 31, 2018USD ($)component
Full Value Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares) | shares			4,662,000
OPPs
Out Performance Plan
Share-based compensation expense			$ 7,583,000	$ 8,040,000
Out Performance Plan 2020
Out Performance Plan
Out of performance plan notional amount	$ 35,000,000		35,000,000
Grant-date fair value	11,686,000		$ 11,700,000
Amount expensed immediately	$ 7,583,000
Revised age limit fo awards vesting criteria	65 years
Revised age for vesting with years of service	60 years
Years of service	20 years
Out performance plan notional amount remaining	$ 4,103,000
Award vesting period (years)	5 years
Number of components of out performance plan | component	2
Amount of basis points by which Vornado underperforms the index	2.00%
Amount of basis points by which Vornado underperforms the index, total	6.00%
Percentage of notional amount granted			94.00%
OPP Units Earned			To be determined in 2023
Out Performance Plan 2020 | Executive Officer
Out Performance Plan
Notional amount granted	$ 32,930,000
Out Performance Plan 2018
Out Performance Plan
Out of performance plan notional amount			$ 35,000,000	$ 35,000,000
Grant-date fair value			$ 10,300,000
Number of components of out performance plan | component				2
Amount of basis points by which Vornado underperforms the index				2.00%
Amount of basis points by which Vornado underperforms the index, total				6.00%
Percentage of notional amount granted			78.20%
OPP Units Earned			To be determined in 2021
Out Performance Plan 2017
Out Performance Plan
Out of performance plan notional amount			$ 35,000,000
Grant-date fair value			$ 10,800,000
Percentage of notional amount granted			86.60%
Absolute | Out Performance Plan 2020
Out Performance Plan
Duration of performance measurement period	3 years
Required shareholder return three year	21.00%
Absolute | Out Performance Plan 2020 | Maximum
Out Performance Plan
Percentage awards will be reduced if total shareholder return is zero or negative	50.00%
Absolute | Out Performance Plan 2018
Out Performance Plan
Duration of performance measurement period		3 years		3 years
Required shareholder return three year				21.00%
Relative | Out Performance Plan 2020
Out Performance Plan
Required shareholder return under relative component	2.00%
Percentage of shareholder return under which 50% of awards will be earned	0.00%
Relative | Out Performance Plan 2020 | Maximum
Out Performance Plan
Percentage awards will be reduced if total shareholder return is zero or negative	50.00%
Relative | Out Performance Plan 2018
Out Performance Plan
Percentage awards will be reduced if total shareholder return is zero or negative				0.00%
Required shareholder return under relative component				3.00%
Relative | Out Performance Plan 2018 | Maximum
Out Performance Plan
Percentage awards will be reduced if total shareholder return is zero or negative				50.00%
SNL US Office REIT Index | Relative | Out Performance Plan 2020
Out Performance Plan
Required shareholder return per year	80.00%
SNL US Office REIT Index | Relative | Out Performance Plan 2018
Out Performance Plan
Required shareholder return per year				70.00%
SNL US Retail Index | Relative | Out Performance Plan 2020
Out Performance Plan
Required shareholder return per year	20.00%
SNL US Retail Index | Relative | Out Performance Plan 2018
Out Performance Plan
Required shareholder return per year				30.00%
2019 Omnibus Share Plan | Full Value Awards | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares) | shares			5,500,000
2019 Omnibus Share Plan | Not Full Value Awards | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares) | shares			11,000,000

Stock-based Compensation (Summa

Stock-based Compensation (Summary of Share Based Compensation Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 48,677	$ 53,908	$ 31,722
OP Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	33,431	39,969	17,763
OPPs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	9,579	1,944	10,689
AO LTIP Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	3,955	2,636	2,113
Vornado stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	656	547	587
Vornado restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	649	549	570
Performance Conditioned AO LTIP Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 407	$ 8,263	$ 0

Stock-based Compensation (Sum_2

Stock-based Compensation (Summary of Unrecognized Compensation Expense) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense	$ 34,103
Weighted-Average Remaining Contractual Term	1 year 8 months 12 days
OP Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense	$ 25,661
Weighted-Average Remaining Contractual Term	1 year 7 months 6 days
OPPs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense	$ 3,882
Weighted-Average Remaining Contractual Term	2 years 1 month 6 days
AO LTIP Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense	$ 2,286
Weighted-Average Remaining Contractual Term	1 year 6 months
Vornado restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense	$ 974
Weighted-Average Remaining Contractual Term	1 year 8 months 12 days
Vornado stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense	$ 987
Weighted-Average Remaining Contractual Term	1 year 8 months 12 days
Performance Conditioned AO LTIP Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense	$ 313
Weighted-Average Remaining Contractual Term	1 year 3 months 18 days

Stock-based Compensation (Perfo

Stock-based Compensation (Performance Conditioned AO LTIP Units & Vornado Stock Options Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Proceeds received from exercise of employee share options and other	$ 5,862	$ 6,903	$ 7,309
Vornado stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (years)	4 years
Stock options expiration term	10 years
Grants in period, weighted average grant date fair value (usd per share)	$ 12.28	$ 16.64	$ 18.42
Proceeds received from exercise of employee share options and other	$ 3,516	$ 5,495	$ 5,927
Exercises in period, intrinsic value	$ 859	$ 18,954	25,820
Performance Conditioned AO LTIP Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants in period, weighted average grant date fair value (usd per share)		$ 64.48
Threshold percentage to satisfy performance based condition	110.00%
Threshold period to satisfy performance based condition	20 days
Grant-date fair value		$ 8,983
AO LTIP Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options expiration term	10 years
Grant-date fair value	$ 4,319	$ 3,429	$ 3,484
Threshold level, percent	100.00%
Special allocation	10.00%
Special distribution, percent	10.00%

Stock-based Compensation (Per_2

Stock-based Compensation (Performance Conditioned AO LTIP Units Vornado Stock Options) (Details)	12 Months Ended
	Dec. 31, 2020USD ($)$ / sharesshares
Vornado stock options
Shares
Options outstanding at beginning of period (shares) | shares	1,768,877
Granted (shares) | shares	70,581
Exercised (shares) | shares	(68,782)
Forfeited (shares) | shares	(4,474)
Cancelled or expired (shares) | shares	(1,000,565)
Options outstanding at end of period (shares) | shares	765,637
Option exercisable at end of period (shares) | shares	658,807
Weighted- Average Exercise Price
Options outstanding at beginning of period (in usd per share) | $ / shares	$ 57.39
Granted (in usd per share) | $ / shares	52.35
Exercised (in usd per share) | $ / shares	51.12
Forfeited (in usd per share) | $ / shares	65.63
Expired or cancelled (in usd per share) | $ / shares	51.77
Options outstanding at end of period (in usd per share) | $ / shares	64.79
Options exercisable at end of period (in usd per share) | $ / shares	$ 65.84
Weighted- Average Remaining Contractual Term
Options outstanding, Weighted Average Remaining Contractual Term	1 year 11 months 1 day
Options exercisable, Weighted Average Remaining Contractual Term	10 months 9 days
Aggregate Intrinsic Value
Options outstanding, Aggregate Intrinsic Value | $	$ 20,794
Options exercisable, Aggregate Intrinsic Value | $	$ 1,288
Performance Conditioned AO LTIP Units
Shares
Options outstanding at beginning of period (shares) | shares	496,762
Options outstanding at end of period (shares) | shares	496,762
Option exercisable at end of period (shares) | shares	235,089
Weighted- Average Exercise Price
Options outstanding at beginning of period (in usd per share) | $ / shares	$ 62.62
Options outstanding at end of period (in usd per share) | $ / shares	62.62
Options exercisable at end of period (in usd per share) | $ / shares	$ 62.62
Weighted- Average Remaining Contractual Term
Options outstanding, Weighted Average Remaining Contractual Term	8 years 14 days
Options exercisable, Weighted Average Remaining Contractual Term	8 years 14 days
Aggregate Intrinsic Value
Options outstanding, Aggregate Intrinsic Value | $	$ 0
Options exercisable, Aggregate Intrinsic Value | $	$ 0
AO LTIP Units
Shares
Options outstanding at beginning of period (shares) | shares	383,983
Granted (shares) | shares	342,924
Forfeited (shares) | shares	(7,454)
Cancelled or expired (shares) | shares	(1,872)
Options outstanding at end of period (shares) | shares	717,581
Option exercisable at end of period (shares) | shares	216,646
Weighted- Average Exercise Price
Options outstanding at beginning of period (in usd per share) | $ / shares	$ 66.23
Granted (in usd per share) | $ / shares	52.40
Forfeited (in usd per share) | $ / shares	57.23
Expired or cancelled (in usd per share) | $ / shares	67.55
Options outstanding at end of period (in usd per share) | $ / shares	59.71
Options exercisable at end of period (in usd per share) | $ / shares	$ 63.94
Weighted- Average Remaining Contractual Term
Options outstanding, Weighted Average Remaining Contractual Term	7 years 3 months 18 days
Options exercisable, Weighted Average Remaining Contractual Term	4 years 5 months 19 days
Aggregate Intrinsic Value
Options outstanding, Aggregate Intrinsic Value | $	$ 100,619
Options exercisable, Aggregate Intrinsic Value | $	$ 14,187

Stock-based Compensation (Sched

Stock-based Compensation (Schedule of AO LTIP Units & Share Based Payment Award Stock Options Valuation Assumptions) (Details)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Vornado stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility, minimum	35.00%
Expected volatility, maximum	36.00%
Expected volatility		35.00%	35.00%
Expected life (years)	5 years	5 years	5 years
Risk free interest rate		2.50%	2.25%
Risk free interest rate, minimum	0.57%
Risk free interest rate, maximum	1.76%
Expected dividend yield (percentage)		2.90%	2.90%
Performance Conditioned AO LTIP Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility		35.00%
Expected life (years)		8 years
Risk free interest rate		2.76%
Expected dividend yield (percentage)		3.10%
AO LTIP Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility, minimum	35.00%
Expected volatility, maximum	36.00%
Expected volatility		35.00%	35.00%
Expected life (years)	5 years	5 years	5 years
Risk free interest rate		2.50%	2.25%
Risk free interest rate, minimum	0.57%
Risk free interest rate, maximum	1.76%
Expected dividend yield (percentage)		2.90%	2.90%
Minimum | Vornado stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected dividend yield (percentage)	3.20%
Minimum | AO LTIP Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected dividend yield (percentage)	3.20%
Maximum | Vornado stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected dividend yield (percentage)	3.40%
Maximum | AO LTIP Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected dividend yield (percentage)	3.40%

Stock-based Compensation (Vorna

Stock-based Compensation (Vornado Restricted Stock or Operating Partnership Units Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Restricted Operating Partnership Units Plan
Share Based Compensation Equity Instruments Other Than Stock Options And Restricted Stock Units Summary
Award vesting period (years)	4 years
Distributions, share-based compensation	$ 5,316	$ 4,070	$ 2,559
Grant-date fair value	18,013	58,732	17,463
Vested in period, fair value	$ 24,373	27,821	18,037
Restricted Stock Units RSU
Share Based Compensation Equity Instruments Other Than Stock Options And Restricted Stock Units Summary
Award vesting period (years)	4 years
Distributions, share-based compensation	$ 98	51	44
Grant-date fair value	853	568	623
Vested in period, fair value	$ 602	$ 477	$ 492

Stock-based Compensation (Sum_3

Stock-based Compensation (Summary of Restricted Stock or Restricted Operating Partnership Units) (Details)	12 Months Ended
	Dec. 31, 2020$ / sharesshares
Restricted Operating Partnership Units Plan
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Unvested at beginning of period (shares) | shares	1,148,313
Granted (shares) | shares	530,597
Vested (shares) | shares	(516,805)
Forfeited (in shares) | shares	(9,687)
Unvested at end of period (shares) | shares	1,152,418
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Unvested at beginning of period (in usd per share) | $ / shares	$ 59.21
Granted (in usd per share) | $ / shares	33.95
Vested (in usd per share) | $ / shares	47.16
Expired or cancelled (in usd per share) | $ / shares	35.86
Unvested at end of period (in usd per share) | $ / shares	$ 53.17
Restricted Stock Units RSU
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Unvested at beginning of period (shares) | shares	18,927
Granted (shares) | shares	16,003
Vested (shares) | shares	(8,526)
Forfeited (in shares) | shares	(1,089)
Unvested at end of period (shares) | shares	25,315
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Unvested at beginning of period (in usd per share) | $ / shares	$ 70.96
Granted (in usd per share) | $ / shares	53.29
Vested (in usd per share) | $ / shares	70.60
Expired or cancelled (in usd per share) | $ / shares	67.51
Unvested at end of period (in usd per share) | $ / shares	$ 60.06

Impairment Losses and Transac_3

Impairment Losses and Transaction Related Costs, Net (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jun. 30, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Transaction Related Costs, Impairment Losses and Lease Termination Gain [Line Items]
Real estate impairment losses		$ (236,286)	$ (8,065)	$ (12,000)
Transaction related costs		(8,001)	(4,613)	(6,217)
Transfer Tax		0	0	(13,103)
Impairment losses and transaction related costs, net		(174,027)	(106,538)	$ (31,320)
608 Fifth Avenue
Transaction Related Costs, Impairment Losses and Lease Termination Gain [Line Items]
608 Fifth Avenue non-cash lease liability extinguishment gain		$ 70,260
Other impairment loss and related write-offs	$ (93,860)		$ (93,860)
Independence Plaza
Transaction Related Costs, Impairment Losses and Lease Termination Gain [Line Items]
Equity method ownership percentage		50.10%

Impairment Losses and Transac_4

Impairment Losses and Transaction Related Costs, Net - Narrative (Details) - 608 Fifth Avenue - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jun. 30, 2019	Dec. 31, 2020	Dec. 31, 2019
Transaction Related Costs, Impairment Losses and Other [Line Items]
Non-cash impairment loss and related write-offs	$ 93,860		$ 93,860
Operating lease, impairment loss	$ 75,220
608 Fifth Avenue non-cash lease liability extinguishment gain		$ 70,260

Interest and Other Investment_3

Interest and Other Investment (Loss) Income, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Net Investment Income [Line Items]
Decrease in fair value of marketable securities	$ (4,938)	$ (5,533)	$ (26,453)
Credit losses on loans receivable	(13,369)	0	0
Interest on cash and cash equivalents and restricted cash	5,793	13,380	15,827
Interest on loans receivable	3,384	6,326	10,298
Dividends on marketable securities	0	3,938	13,339
Other, net	3,631	3,708	4,046
Interest and other investment income, net	(5,499)	21,819	17,057
PREIT
Net Investment Income [Line Items]
Decrease in fair value of marketable securities	(4,938)	(21,649)	0
Lexington Realty Trust
Net Investment Income [Line Items]
Decrease in fair value of marketable securities	0	16,068	(26,596)
Other
Net Investment Income [Line Items]
Decrease in fair value of marketable securities	$ 0	$ 48	143
Mezzanine Loan
Net Investment Income [Line Items]
Interest on loans receivable			$ 6,707

Interest and Debt Expense (Deta

Interest and Debt Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Interest and Debt Expense [Abstract]
Interest expense	$ 251,847	$ 335,016	$ 389,136
Capitalized interest and debt expense	(41,056)	(72,200)	(73,166)
Amortization of deferred financing costs	18,460	23,807	31,979
Interest and debt expense	$ 229,251	$ 286,623	$ 347,949

Interest and Debt Expense - Foo

Interest and Debt Expense - Footnote (Details) - Senior unsecured notes - Senior Unsecured Notes Due 2022 $ in Thousands	Dec. 31, 2019USD ($)
Debt Instrument, Redemption [Line Items]
Charge related to prepayment and unamortized financing costs	$ 22,540
Debt instrument, redeemed	$ 400,000
Debt instrument, interest rate, stated percentage	5.00%

(Loss) Income Per Share _(Los_3

(Loss) Income Per Share /(Loss) Income Per Class A Unit (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Numerator:
(Loss) income from continuing operations, net of loss (income) attributable to noncontrolling interests	$ (297,005)	$ 3,147,965	$ 449,356
(Loss) income from discontinued operations	0	(28)	598
Net (loss) income attributable to Vornado / Vornado Realty L.P.	(297,005)	3,147,937	449,954
Preferred share dividends / unit distributions	(51,739)	(50,131)	(50,636)
Preferred share / unit issuance cost	0	0	(14,486)
NET (LOSS) INCOME attributable to common shareholders / Class A unitholders	(348,744)	3,097,806	384,832
Earnings allocated to unvested participating securities	(99)	(309)	(44)
Numerator for basic (loss) income per share / per Class A unit	(348,843)	3,097,497	384,788
Convertible preferred share dividends / unit distributions	0	57	62
Earnings allocated to redeemable Class A Operating Partnership units	0	9	174
Numerator for diluted (loss) income per share / per Class A unit	$ (348,843)	$ 3,097,563	$ 385,024
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Denominator for basic (loss) income per share - weighted average shares (in shares)	191,146	190,801	190,219
Vornado stock options and restricted share awards (in shares)	0	216	933
Convertible preferred shares / units	0	34	37
Out-Performance Plan units	0	2	101
Denominator for diluted income per share - weighted average shares and assumed conversions (in shares)	191,146	191,053	191,290
(LOSS) INCOME PER COMMON SHARE - BASIC:
Net (loss) income per common share - Basic (in dollars per share)	$ (1.83)	$ 16.23	$ 2.02
(LOSS) INCOME PER COMMON SHARE - DILUTED:
Net (loss) income per common share - Diluted (in dollars per share)	$ (1.83)	$ 16.21	$ 2.01
Vornado Realty L.P.
Numerator:
(Loss) income from continuing operations, net of loss (income) attributable to noncontrolling interests	$ (321,951)	$ 3,358,839	$ 474,988
(Loss) income from discontinued operations	0	(30)	638
Net (loss) income attributable to Vornado / Vornado Realty L.P.	(321,951)	3,358,809	475,626
Preferred share dividends / unit distributions	(51,904)	(50,296)	(50,830)
Preferred share / unit issuance cost	0	0	(14,486)
NET (LOSS) INCOME attributable to common shareholders / Class A unitholders	(373,855)	3,308,513	410,310
Earnings allocated to unvested participating securities	(5,417)	(17,296)	(2,973)
Numerator for basic (loss) income per share / per Class A unit	(379,272)	3,291,217	407,337
Convertible preferred share dividends / unit distributions	0	57	62
Numerator for diluted (loss) income per share / per Class A unit	$ (379,272)	$ 3,291,274	$ 407,399
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Denominator for basic (loss) income per Class A unit - weighted average units and assumed conversions	203,503	202,947	202,068
Vornado stock options and restricted share awards (in shares)	0	267	1,307
Convertible preferred shares / units	0	34	37
Denominator for diluted income per Class A unit - weighted average units	203,503	203,248	203,412
(LOSS) INCOME PER CLASS A UNIT - BASIC:
(Loss) income from continuing operations, net (in dollars per share)	$ (1.86)	$ 16.22	$ 2.01
Income (loss) from discontinued operations, net (in dollars per share)	0	0	0.01
Net (loss) income per Class A unit (in dollars per share)	(1.86)	16.22	2.02
(LOSS) INCOME PER CLASS A UNIT - DILUTED:
Net (loss) income per Class A unit (in dollars per share)	$ (1.86)	$ 16.19	$ 2

(Loss) Income Per Share _(Los_4

(Loss) Income Per Share /(Loss) Income Per Class A Unit (Narrative) (Details) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Antidilutive Securities Excluded From Computation Of Earnings Per Share
Weighted average common share equivalents of excluded dilutive securities due to anti-dilutive effect	14,007	13,020	12,232
Vornado Realty L.P.
Antidilutive Securities Excluded From Computation Of Earnings Per Share
Weighted average common share equivalents of excluded dilutive securities due to anti-dilutive effect	1,650	825	110

Leases - Narrative (Details)

Leases - Narrative (Details) ft² in Thousands, $ in Thousands	Dec. 31, 2020USD ($)ft²	Dec. 31, 2019USD ($)
Leases [Line Items]
Right-of-use assets	$ 367,365	$ 379,546
Lease liabilities	401,008	$ 498,254
Finance lease, payment due	$ 5,000
Farley Office and Retail Building
Leases [Line Items]
Equity method ownership percentage	95.00%
Lessee, operating lease, lease not yet commenced, term (years)	99 years
Square footage of real estate property (in sqft) | ft²	844
PILOT payments	$ 549,861
Farley Office and Retail Building | Office Building
Leases [Line Items]
Square footage of real estate property (in sqft) | ft²	730
Farley Office and Retail Building | Retail
Leases [Line Items]
Square footage of real estate property (in sqft) | ft²	114

Leases - Lessor, Operating Leas

Leases - Lessor, Operating Lease, Payments to be Received (Details) $ in Thousands	Dec. 31, 2020USD ($)
Lessor, Operating Lease, Payments, Fiscal Year Maturity [Abstract]
2021	$ 1,230,675
2022	1,227,742
2023	1,161,730
2024	995,588
2025	876,497
Thereafter	$ 5,090,824

Leases - Schedule of Amounts In

Leases - Schedule of Amounts Included in the Measurement of Lease Liability (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Weighted average remaining lease term (in years)	44 years 9 months 18 days	40 years 2 months 12 days
Weighted average discount rate (percent)	4.91%	4.84%
Cash paid for operating leases	$ 23,932	$ 27,817

Leases - Schedule of Components

Leases - Schedule of Components of Rent Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Fixed rent expense	$ 28,503	$ 33,738
Variable rent expense	1,178	1,978
Rent expense	$ 29,681	$ 35,716

Leases - Lessee, Operating Leas

Leases - Lessee, Operating Lease, Liability, Maturity (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
2021	$ 22,010
2022	23,669
2023	24,002
2024	24,354
2025	24,722
Thereafter	926,139
Total undiscounted cash flows	1,044,896
Present value discount	(643,888)
Lease liabilities	$ 401,008	$ 498,254

Multiemployer Benefit Plans (De

Multiemployer Benefit Plans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Multiemployer Benefit Plans
Multiemployer plans contributions represent more than 5% of total employer contributions	false	false	false
Multiemployer Pension Plans
Multiemployer Benefit Plans
Multiemployer plan, period contributions	$ 7,049	$ 10,793	$ 10,377
Multiemployer Health Plans
Multiemployer Benefit Plans
Multiemployer plan, period contributions	$ 26,938	$ 32,407	$ 30,354

Commitments and Contingencies (

Commitments and Contingencies (Narrative) (Details) ft² in Thousands	1 Months Ended	12 Months Ended
	Nov. 30, 2011extension	Dec. 31, 2020USD ($)ft²	Dec. 31, 2019USD ($)	Jul. 31, 2018USD ($)ft²
Other Commitments
Lease liabilities		$ 401,008,000	$ 498,254,000
Right-of-use assets		367,365,000	$ 379,546,000
Guarantees and master leases		1,769,000,000
Outstanding letters of credit		13,549,000
Clawback payment		29,800,000
Commitment to fund additional capital to partially owned entities		10,700,000
Other commitment		451,000,000
General Liability
Insurance
Insurance limit per property		300,000,000
Insurance limit per occurrence		300,000,000
Disease Coverage
Insurance
Insurance limit per property		235,000,000
Insurance sublimit		2,300,000
All Risk And Rental Value
Insurance
Insurance limit per occurrence		2,000,000,000
Earthquake California Properties
Insurance
Insurance limit per occurrence		350,000,000
Insurance maximum coverage limit in aggregate		$ 350,000,000
Vornado deductible, percentage of property value		5.00%
Terrorism Acts
Insurance
Insurance limit per occurrence		$ 6,000,000,000
Insurance maximum coverage limit in aggregate		6,000,000,000
Non-Certified Acts of Terrorism
Insurance
Insurance maximum coverage limit in aggregate		1,200,000,000
NBCR
Insurance
Insurance limit per occurrence		5,000,000,000
Insurance maximum coverage limit in aggregate		5,000,000,000
PPIC | NBCR
Insurance
Insurance deductible		$ 1,759,257
Insurance deductible percentage of balance of covered loss		20.00%
Farley Office and Retail Building
Other Commitments
Square footage of real estate property (in sqft) | ft²		844
Equity method ownership percentage		95.00%
Farley Office and Retail Building | General Liability
Insurance
Insurance limit per occurrence		$ 100,000,000
Farley Office and Retail Building | Terrorism Acts
Insurance
Insurance limit per occurrence		1,850,000,000
Insurance maximum coverage limit in aggregate		1,850,000,000
Farley Office and Retail Building | Non-Certified Acts of Terrorism
Insurance
Insurance limit per occurrence		1,170,000,000
Insurance maximum coverage limit in aggregate		1,170,000,000
Farley Office and Retail Building | Property and Development Activities
Insurance
Insurance limit per occurrence		2,800,000,000
Insurance maximum coverage limit in aggregate		$ 2,800,000,000
Joint Venture | Farley Office and Retail Building
Other Commitments
Equity method ownership percentage		95.00%
Capital contributions		$ 92,400,000
Affiliated Entity | Farley Office and Retail Building
Other Commitments
Equity method ownership percentage		5.00%
345 Montgomery Street | Regus PLC
Other Commitments
Contractual obligation (up to)				$ 90,000,000
Subsidiary of Regus PLC | 345 Montgomery Street
Other Commitments
Square footage of real estate property (in sqft) | ft²				78
Lessor, lease not yet commenced, term of contract (years)				15 years
New York City Economic Development Corporation
Other Commitments
Operating lease, term of contract	49 years
Leases, number of renewal terms | extension	5
Lease, term (in years)	10 years
Annual rent payments		$ 2,000,000
Lease liabilities		47,473,000
Right-of-use assets		$ 34,482,000

Related Party Transactions (Det

Related Party Transactions (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Alexanders Inc
Related Party Transaction
Percentage of affiliated entity owned by company	32.40%
Percentage of affiliated entity owned by related parties	26.10%
Interstate Properties
Related Party Transaction
Percentage of company owned by related party	7.00%
Related party transaction annual fee percentage	4.00%
Term of management agreement	1 year
Period allowed for termination of automatic renewal of management agreement	60 days
Fee and other income from related parties (in US dollars)	$ 203	$ 300	$ 453

Segment Information - Narrative

Segment Information - Narrative (Details)	12 Months Ended
	Dec. 31, 2020segment
Segment Reporting [Abstract]
Number of reportable segments (segment)	2

Segment Information (Reconcilia

Segment Information (Reconciliation of Net Income to NOI) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting [Abstract]
Net (loss) income	$ (461,845)	$ 3,334,262	$ 422,603
Depreciation and amortization expense	399,695	419,107	446,570
General and administrative expense	181,509	169,920	141,871
Impairment losses and transaction related costs, net	174,027	106,538	31,320
Loss (income) from partially owned entities	329,112	(78,865)	(9,149)
Loss from real estate fund investments	226,327	104,082	89,231
Interest and other investment loss (income), net	5,499	(21,819)	(17,057)
Interest and debt expense	229,251	286,623	347,949
Net gain on transfer to Fifth Avenue and Times Square JV	0	(2,571,099)	0
Purchase price fair value adjustment	0	0	(44,060)
Net gains on disposition of wholly owned and partially owned assets	(381,320)	(845,499)	(246,031)
Income tax expense	36,630	103,439	37,633
Loss (income) from discontinued operations	0	30	(638)
NOI from partially owned entities	306,495	322,390	253,564
NOI attributable to noncontrolling interests in consolidated subsidiaries	(72,801)	(69,332)	(71,186)
NOI at share	972,579	1,259,777	1,382,620
Non-cash adjustments for straight-line rents, amortization of acquired below-market leases, net and other	46,246	(6,060)	(44,704)
NOI at share - cash basis	$ 1,018,825	$ 1,253,717	$ 1,337,916

Segment Information (Summary of

Segment Information (Summary of NOI by Segment) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Total revenues	$ 1,527,951	$ 1,924,700	$ 2,163,720
Operating expenses	(789,066)	(917,981)	(963,478)
NOI - consolidated	738,885	1,006,719	1,200,242
Deduct: NOI attributable to noncontrolling interests in consolidated subsidiaries	(72,801)	(69,332)	(71,186)
Add: NOI from partially owned entities	306,495	322,390	253,564
NOI at share	972,579	1,259,777	1,382,620
Non-cash adjustments for straight-line rents, amortization of acquired below-market leases, net and other	46,246	(6,060)	(44,704)
NOI at share - cash basis	1,018,825	1,253,717	1,337,916
Balance Sheet Data:
Real estate, at cost	12,087,943	13,074,012	16,237,883	$ 14,756,295
Investments in partially owned entities	3,491,107	3,999,165
Assets	16,221,822	18,287,013
New York
Segment Reporting Information [Line Items]
Total revenues	1,221,748	1,577,860	1,836,036
Operating expenses	(640,531)	(758,304)	(806,464)
NOI - consolidated	581,217	819,556	1,029,572
Deduct: NOI attributable to noncontrolling interests in consolidated subsidiaries	(43,773)	(40,896)	(48,490)
Add: NOI from partially owned entities	296,447	294,168	195,908
NOI at share	833,891	1,072,828	1,176,990
Non-cash adjustments for straight-line rents, amortization of acquired below-market leases, net and other	36,715	(12,318)	(45,427)
NOI at share - cash basis	870,606	1,060,510	1,131,563
Balance Sheet Data:
Real estate, at cost	9,581,830	10,272,458
Investments in partially owned entities	3,459,142	3,964,289
Assets	15,046,469	16,429,159
Other
Segment Reporting Information [Line Items]
Total revenues	306,203	346,840	327,684
Operating expenses	(148,535)	(159,677)	(157,014)
NOI - consolidated	157,668	187,163	170,670
Deduct: NOI attributable to noncontrolling interests in consolidated subsidiaries	(29,028)	(28,436)	(22,696)
Add: NOI from partially owned entities	10,048	28,222	57,656
NOI at share	138,688	186,949	205,630
Non-cash adjustments for straight-line rents, amortization of acquired below-market leases, net and other	9,531	6,258	723
NOI at share - cash basis	148,219	193,207	$ 206,353
Balance Sheet Data:
Real estate, at cost	2,506,113	2,801,554
Investments in partially owned entities	31,965	34,876
Assets	$ 1,175,353	$ 1,857,854

SEC Schedule III Real Estate _2

SEC Schedule III Real Estate and Accumulated Depreciation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Real Estate And Accumulated Depreciation
Encumbrances	$ 6,183,458
Initial cost to company
Land	2,629,523
Buildings and improvements	5,775,204
Costs capitalized subsequent to acquisition	3,683,216
Gross amount at which carried at close of period
Land	2,420,054
Buildings and improvements	9,667,889
Total	12,087,943
Accumulated depreciation and amortization	3,169,446	$ 3,015,958	$ 3,180,175	$ 2,885,283
Net basis difference of assets and liabilities between tax basis and GAAP basis	$ 3,100,000
Real estate and accumulated depreciation life used for depreciation	40 years
Leasehold Improvements Equipment and Other
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	0
Buildings and improvements	0
Costs capitalized subsequent to acquisition	130,222
Gross amount at which carried at close of period
Land	0
Buildings and improvements	130,222
Total	130,222
Accumulated depreciation and amortization	86,586
New York
Real Estate And Accumulated Depreciation
Encumbrances	4,970,815
Initial cost to company
Land	2,127,658
Buildings and improvements	4,494,066
Costs capitalized subsequent to acquisition	2,929,657
Gross amount at which carried at close of period
Land	2,048,905
Buildings and improvements	7,502,476
Total	9,551,381
Accumulated depreciation and amortization	2,331,297
New York | Manhattan
Real Estate And Accumulated Depreciation
Encumbrances	4,870,815
Initial cost to company
Land	2,051,250
Buildings and improvements	4,286,128
Costs capitalized subsequent to acquisition	2,758,563
Gross amount at which carried at close of period
Land	1,971,461
Buildings and improvements	7,124,480
Total	9,095,941
Accumulated depreciation and amortization	2,155,131
New York | Manhattan | 1290 Avenue of the Americas
Real Estate And Accumulated Depreciation
Encumbrances	950,000
Initial cost to company
Land	518,244
Buildings and improvements	926,992
Costs capitalized subsequent to acquisition	256,937
Gross amount at which carried at close of period
Land	518,244
Buildings and improvements	1,183,929
Total	1,702,173
Accumulated depreciation and amortization	$ 406,087
Date of construction	1963
Date acquired	2007
New York | Manhattan | 350 Park Avenue
Real Estate And Accumulated Depreciation
Encumbrances	$ 400,000
Initial cost to company
Land	265,889
Buildings and improvements	363,381
Costs capitalized subsequent to acquisition	49,637
Gross amount at which carried at close of period
Land	265,889
Buildings and improvements	413,018
Total	678,907
Accumulated depreciation and amortization	$ 153,866
Date of construction	1960
Date acquired	2006
New York | Manhattan | PENN1
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	0
Buildings and improvements	412,169
Costs capitalized subsequent to acquisition	490,803
Gross amount at which carried at close of period
Land	0
Buildings and improvements	902,972
Total	902,972
Accumulated depreciation and amortization	$ 336,852
Date of construction	1972
Date acquired	1998
New York | Manhattan | 100 West 33rd Street
Real Estate And Accumulated Depreciation
Encumbrances	$ 398,402
Initial cost to company
Land	242,776
Buildings and improvements	247,970
Costs capitalized subsequent to acquisition	42,188
Gross amount at which carried at close of period
Land	242,776
Buildings and improvements	290,158
Total	532,934
Accumulated depreciation and amortization	$ 105,705
Date of construction	1911
Date acquired	2007
New York | Manhattan | 150 West 34th Street
Real Estate And Accumulated Depreciation
Encumbrances	$ 205,000
Initial cost to company
Land	119,657
Buildings and improvements	268,509
Costs capitalized subsequent to acquisition	0
Gross amount at which carried at close of period
Land	119,657
Buildings and improvements	268,509
Total	388,166
Accumulated depreciation and amortization	$ 37,479
Date of construction	1900
Date acquired	2015
New York | Manhattan | PENN2
Real Estate And Accumulated Depreciation
Encumbrances	$ 575,000
Initial cost to company
Land	53,615
Buildings and improvements	164,903
Costs capitalized subsequent to acquisition	182,136
Gross amount at which carried at close of period
Land	52,689
Buildings and improvements	347,965
Total	400,654
Accumulated depreciation and amortization	$ 132,321
Date of construction	1968
Date acquired	1997
New York | Manhattan | 90 Park Avenue
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	8,000
Buildings and improvements	175,890
Costs capitalized subsequent to acquisition	199,918
Gross amount at which carried at close of period
Land	8,000
Buildings and improvements	375,808
Total	383,808
Accumulated depreciation and amortization	$ 161,439
Date of construction	1964
Date acquired	1997
New York | Manhattan | Manhattan Mall
Real Estate And Accumulated Depreciation
Encumbrances	$ 181,598
Initial cost to company
Land	88,595
Buildings and improvements	113,473
Costs capitalized subsequent to acquisition	30,283
Gross amount at which carried at close of period
Land	88,595
Buildings and improvements	143,756
Total	232,351
Accumulated depreciation and amortization	$ 48,996
Date of construction	2009
Date acquired	2007
New York | Manhattan | 770 Broadway
Real Estate And Accumulated Depreciation
Encumbrances	$ 700,000
Initial cost to company
Land	52,898
Buildings and improvements	95,686
Costs capitalized subsequent to acquisition	186,666
Gross amount at which carried at close of period
Land	52,898
Buildings and improvements	282,352
Total	335,250
Accumulated depreciation and amortization	$ 112,718
Date of construction	1907
Date acquired	1998
New York | Manhattan | 888 Seventh Avenue
Real Estate And Accumulated Depreciation
Encumbrances	$ 321,000
Initial cost to company
Land	0
Buildings and improvements	117,269
Costs capitalized subsequent to acquisition	161,640
Gross amount at which carried at close of period
Land	0
Buildings and improvements	278,909
Total	278,909
Accumulated depreciation and amortization	$ 142,057
Date of construction	1980
Date acquired	1998
New York | Manhattan | PENN11
Real Estate And Accumulated Depreciation
Encumbrances	$ 500,000
Initial cost to company
Land	40,333
Buildings and improvements	85,259
Costs capitalized subsequent to acquisition	111,535
Gross amount at which carried at close of period
Land	40,333
Buildings and improvements	196,794
Total	237,127
Accumulated depreciation and amortization	$ 83,611
Date of construction	1923
Date acquired	1997
New York | Manhattan | 909 Third Avenue
Real Estate And Accumulated Depreciation
Encumbrances	$ 350,000
Initial cost to company
Land	0
Buildings and improvements	120,723
Costs capitalized subsequent to acquisition	122,005
Gross amount at which carried at close of period
Land	0
Buildings and improvements	242,728
Total	242,728
Accumulated depreciation and amortization	$ 114,831
Date of construction	1969
Date acquired	1999
New York | Manhattan | 150 East 58th Street
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	39,303
Buildings and improvements	80,216
Costs capitalized subsequent to acquisition	54,863
Gross amount at which carried at close of period
Land	39,303
Buildings and improvements	135,079
Total	174,382
Accumulated depreciation and amortization	$ 68,764
Date of construction	1969
Date acquired	1998
New York | Manhattan | 595 Madison Avenue
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	62,731
Buildings and improvements	62,888
Costs capitalized subsequent to acquisition	50,717
Gross amount at which carried at close of period
Land	62,731
Buildings and improvements	113,605
Total	176,336
Accumulated depreciation and amortization	$ 49,081
Date of construction	1968
Date acquired	1999
New York | Manhattan | 330 West 34th Street
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	0
Buildings and improvements	8,599
Costs capitalized subsequent to acquisition	147,945
Gross amount at which carried at close of period
Land	0
Buildings and improvements	156,544
Total	156,544
Accumulated depreciation and amortization	$ 40,849
Date of construction	1925
Date acquired	1998
New York | Manhattan | 828 To 850 Madison Avenue
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	107,937
Buildings and improvements	28,261
Costs capitalized subsequent to acquisition	(89,293)
Gross amount at which carried at close of period
Land	35,403
Buildings and improvements	11,502
Total	46,905
Accumulated depreciation and amortization	$ 0
Date acquired	2005
New York | Manhattan | 715 Lexington Avenue
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	0
Buildings and improvements	26,903
Costs capitalized subsequent to acquisition	19,986
Gross amount at which carried at close of period
Land	30,085
Buildings and improvements	16,804
Total	46,889
Accumulated depreciation and amortization	$ 0
Date of construction	1923
Date acquired	2001
New York | Manhattan | 478 To 486 Broadway
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	30,000
Buildings and improvements	20,063
Costs capitalized subsequent to acquisition	11,831
Gross amount at which carried at close of period
Land	21,489
Buildings and improvements	40,405
Total	61,894
Accumulated depreciation and amortization	$ 3,817
Date of construction	2009
Date acquired	2007
New York | Manhattan | 4 Union Square South
Real Estate And Accumulated Depreciation
Encumbrances	$ 120,000
Initial cost to company
Land	24,079
Buildings and improvements	55,220
Costs capitalized subsequent to acquisition	9,685
Gross amount at which carried at close of period
Land	24,079
Buildings and improvements	64,905
Total	88,984
Accumulated depreciation and amortization	$ 24,170
Date of construction	1965/2004
Date acquired	1993
New York | Manhattan | Farley Office and Retail Building
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	0
Buildings and improvements	476,235
Costs capitalized subsequent to acquisition	565,014
Gross amount at which carried at close of period
Land	0
Buildings and improvements	1,041,249
Total	1,041,249
Accumulated depreciation and amortization	$ 0
Date of construction	1912
Date acquired	2018
New York | Manhattan | 260 11th Avenue
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	0
Buildings and improvements	80,482
Costs capitalized subsequent to acquisition	5,352
Gross amount at which carried at close of period
Land	0
Buildings and improvements	85,834
Total	85,834
Accumulated depreciation and amortization	$ 12,133
Date of construction	1911
Date acquired	2015
New York | Manhattan | 510 5th Avenue
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	34,602
Buildings and improvements	18,728
Costs capitalized subsequent to acquisition	35,402
Gross amount at which carried at close of period
Land	48,403
Buildings and improvements	40,329
Total	88,732
Accumulated depreciation and amortization	$ 10,992
Date acquired	2010
New York | Manhattan | 606 Broadway
Real Estate And Accumulated Depreciation
Encumbrances	$ 74,119
Initial cost to company
Land	45,406
Buildings and improvements	8,993
Costs capitalized subsequent to acquisition	51,624
Gross amount at which carried at close of period
Land	45,298
Buildings and improvements	60,725
Total	106,023
Accumulated depreciation and amortization	$ 2,441
Date acquired	2016
New York | Manhattan | 40 Fulton Street
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	15,732
Buildings and improvements	26,388
Costs capitalized subsequent to acquisition	38,625
Gross amount at which carried at close of period
Land	15,732
Buildings and improvements	65,013
Total	80,745
Accumulated depreciation and amortization	$ 22,147
Date of construction	1987
Date acquired	1998
New York | Manhattan | 443 Broadway
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	11,187
Buildings and improvements	41,186
Costs capitalized subsequent to acquisition	(36,225)
Gross amount at which carried at close of period
Land	3,457
Buildings and improvements	12,691
Total	16,148
Accumulated depreciation and amortization	$ 0
Date acquired	2013
New York | Manhattan | 40 East 66th Street
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	13,616
Buildings and improvements	34,635
Costs capitalized subsequent to acquisition	159
Gross amount at which carried at close of period
Land	13,616
Buildings and improvements	34,794
Total	48,410
Accumulated depreciation and amortization	$ 13,113
Date acquired	2005
New York | Manhattan | 155 Spring Street
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	13,700
Buildings and improvements	30,544
Costs capitalized subsequent to acquisition	6,769
Gross amount at which carried at close of period
Land	13,700
Buildings and improvements	37,313
Total	51,013
Accumulated depreciation and amortization	$ 12,456
Date acquired	2007
New York | Manhattan | 435 7th Avenue
Real Estate And Accumulated Depreciation
Encumbrances	$ 95,696
Initial cost to company
Land	19,893
Buildings and improvements	19,091
Costs capitalized subsequent to acquisition	2,166
Gross amount at which carried at close of period
Land	19,893
Buildings and improvements	21,257
Total	41,150
Accumulated depreciation and amortization	$ 9,681
Date of construction	2002
Date acquired	1997
New York | Manhattan | 692 Broadway
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	6,053
Buildings and improvements	22,908
Costs capitalized subsequent to acquisition	3,901
Gross amount at which carried at close of period
Land	6,053
Buildings and improvements	26,809
Total	32,862
Accumulated depreciation and amortization	$ 10,734
Date acquired	2005
New York | Manhattan | 131-135 West 33rd Street
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	8,315
Buildings and improvements	21,312
Costs capitalized subsequent to acquisition	316
Gross amount at which carried at close of period
Land	8,315
Buildings and improvements	21,628
Total	29,943
Accumulated depreciation and amortization	$ 2,566
Date acquired	2016
New York | Manhattan | 304 Canal Street
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	3,511
Buildings and improvements	12,905
Costs capitalized subsequent to acquisition	(8,456)
Gross amount at which carried at close of period
Land	1,771
Buildings and improvements	6,189
Total	7,960
Accumulated depreciation and amortization	$ 0
Date of construction	1910
Date acquired	2014
New York | Manhattan | 677 To 679 Madison Avenue
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	13,070
Buildings and improvements	9,640
Costs capitalized subsequent to acquisition	585
Gross amount at which carried at close of period
Land	13,070
Buildings and improvements	10,225
Total	23,295
Accumulated depreciation and amortization	$ 3,691
Date acquired	2006
New York | Manhattan | 1131 Third Avenue
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	7,844
Buildings and improvements	7,844
Costs capitalized subsequent to acquisition	5,708
Gross amount at which carried at close of period
Land	7,844
Buildings and improvements	13,552
Total	21,396
Accumulated depreciation and amortization	$ 2,696
Date acquired	1997
New York | Manhattan | 431 Seventh Avenue
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	16,700
Buildings and improvements	2,751
Costs capitalized subsequent to acquisition	0
Gross amount at which carried at close of period
Land	16,700
Buildings and improvements	2,751
Total	19,451
Accumulated depreciation and amortization	$ 946
Date acquired	2007
New York | Manhattan | 138-142 West 32nd Street
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	9,252
Buildings and improvements	9,936
Costs capitalized subsequent to acquisition	1,720
Gross amount at which carried at close of period
Land	9,252
Buildings and improvements	11,656
Total	20,908
Accumulated depreciation and amortization	$ 1,504
Date of construction	1920
Date acquired	2015
New York | Manhattan | 334 Canal Street
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	1,693
Buildings and improvements	6,507
Costs capitalized subsequent to acquisition	(1,170)
Gross amount at which carried at close of period
Land	752
Buildings and improvements	6,278
Total	7,030
Accumulated depreciation and amortization	$ 0
Date acquired	2011
New York | Manhattan | 966 Third Avenue
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	8,869
Buildings and improvements	3,631
Costs capitalized subsequent to acquisition	0
Gross amount at which carried at close of period
Land	8,869
Buildings and improvements	3,631
Total	12,500
Accumulated depreciation and amortization	$ 666
Date acquired	2013
New York | Manhattan | 148 Spring Street
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	3,200
Buildings and improvements	8,112
Costs capitalized subsequent to acquisition	398
Gross amount at which carried at close of period
Land	3,200
Buildings and improvements	8,510
Total	11,710
Accumulated depreciation and amortization	$ 2,718
Date acquired	2008
New York | Manhattan | 150 Spring Street
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	3,200
Buildings and improvements	5,822
Costs capitalized subsequent to acquisition	309
Gross amount at which carried at close of period
Land	3,200
Buildings and improvements	6,131
Total	9,331
Accumulated depreciation and amortization	$ 1,945
Date acquired	2008
New York | Manhattan | 137 West 33rd Street
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	6,398
Buildings and improvements	1,550
Costs capitalized subsequent to acquisition	0
Gross amount at which carried at close of period
Land	6,398
Buildings and improvements	1,550
Total	7,948
Accumulated depreciation and amortization	$ 223
Date of construction	1932
Date acquired	2015
New York | Manhattan | 825 7th Avenue
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	1,483
Buildings and improvements	697
Costs capitalized subsequent to acquisition	3,341
Gross amount at which carried at close of period
Land	1,483
Buildings and improvements	4,038
Total	5,521
Accumulated depreciation and amortization	$ 575
Date acquired	1997
New York | Manhattan | 537 West 26th Street
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	10,370
Buildings and improvements	17,632
Costs capitalized subsequent to acquisition	16,730
Gross amount at which carried at close of period
Land	26,631
Buildings and improvements	18,101
Total	44,732
Accumulated depreciation and amortization	$ 1,319
Date acquired	2018
New York | Manhattan | 339 Greenwich
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	2,622
Buildings and improvements	12,333
Costs capitalized subsequent to acquisition	(10,019)
Gross amount at which carried at close of period
Land	865
Buildings and improvements	4,071
Total	4,936
Accumulated depreciation and amortization	$ 0
Date acquired	2017
New York | Manhattan | Other (Including Signage)
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	140,477
Buildings and improvements	31,892
Costs capitalized subsequent to acquisition	36,832
Gross amount at which carried at close of period
Land	94,788
Buildings and improvements	114,413
Total	209,201
Accumulated depreciation and amortization	19,942
Other | Hotel Pennsylvania/Paramus
Real Estate And Accumulated Depreciation
Encumbrances	100,000
Initial cost to company
Land	76,408
Buildings and improvements	207,938
Costs capitalized subsequent to acquisition	171,094
Gross amount at which carried at close of period
Land	77,444
Buildings and improvements	377,996
Total	455,440
Accumulated depreciation and amortization	176,166
Other | Illinois | the Mart, Chicago
Real Estate And Accumulated Depreciation
Encumbrances	675,000
Initial cost to company
Land	64,528
Buildings and improvements	319,146
Costs capitalized subsequent to acquisition	414,122
Gross amount at which carried at close of period
Land	64,535
Buildings and improvements	733,261
Total	797,796
Accumulated depreciation and amortization	$ 348,404
Date of construction	1930
Date acquired	1998
Other | Illinois | 527 West Kinzie, Chicago
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	5,166
Buildings and improvements	0
Costs capitalized subsequent to acquisition	132
Gross amount at which carried at close of period
Land	5,166
Buildings and improvements	132
Total	5,298
Accumulated depreciation and amortization	$ 0
Date acquired	1998
Other | New York
Real Estate And Accumulated Depreciation
Encumbrances	$ 1,212,643
Initial cost to company
Land	501,865
Buildings and improvements	1,281,138
Costs capitalized subsequent to acquisition	623,337
Gross amount at which carried at close of period
Land	371,149
Buildings and improvements	2,035,191
Total	2,406,340
Accumulated depreciation and amortization	751,563
Other | New York | Hotel Pennsylvania
Real Estate And Accumulated Depreciation
Encumbrances	0
Initial cost to company
Land	29,903
Buildings and improvements	121,712
Costs capitalized subsequent to acquisition	134,245
Gross amount at which carried at close of period
Land	29,903
Buildings and improvements	255,957
Total	285,860
Accumulated depreciation and amortization	$ 142,143
Date of construction	1919
Date acquired	1997
Other | New York | 33-00 Northern Boulevard
Real Estate And Accumulated Depreciation
Encumbrances	$ 100,000
Initial cost to company
Land	46,505
Buildings and improvements	86,226
Costs capitalized subsequent to acquisition	13,538
Gross amount at which carried at close of period
Land	46,505
Buildings and improvements	99,764
Total	146,269
Accumulated depreciation and amortization	$ 15,710
Date of construction	1915
Date acquired	2015
Other | New York | Piers 92 and 94
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	0
Buildings and improvements	0
Costs capitalized subsequent to acquisition	17,773
Gross amount at which carried at close of period
Land	0
Buildings and improvements	17,773
Total	17,773
Accumulated depreciation and amortization	$ 3,847
Date acquired	2008
Other | New York | Total The Mart
Real Estate And Accumulated Depreciation
Encumbrances	$ 675,000
Initial cost to company
Land	69,694
Buildings and improvements	319,146
Costs capitalized subsequent to acquisition	432,027
Gross amount at which carried at close of period
Land	69,701
Buildings and improvements	751,166
Total	820,867
Accumulated depreciation and amortization	352,251
Other | New York | 220 Central Park South
Real Estate And Accumulated Depreciation
Encumbrances	0
Initial cost to company
Land	115,720
Buildings and improvements	16,445
Costs capitalized subsequent to acquisition	(104,428)
Gross amount at which carried at close of period
Land	0
Buildings and improvements	27,737
Total	27,737
Accumulated depreciation and amortization	$ 0
Date acquired	2005
Other | New York | 40 East 66th Residential
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	8,454
Buildings and improvements	13,321
Costs capitalized subsequent to acquisition	(8,193)
Gross amount at which carried at close of period
Land	5,273
Buildings and improvements	8,309
Total	13,582
Accumulated depreciation and amortization	$ 2,882
Date acquired	2005
Other | New York | 677-679 Madison
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	1,462
Buildings and improvements	1,058
Costs capitalized subsequent to acquisition	285
Gross amount at which carried at close of period
Land	1,627
Buildings and improvements	1,178
Total	2,805
Accumulated depreciation and amortization	$ 535
Date acquired	2006
Other | New York | Other Property
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	0
Buildings and improvements	0
Costs capitalized subsequent to acquisition	5,606
Gross amount at which carried at close of period
Land	0
Buildings and improvements	5,606
Total	5,606
Accumulated depreciation and amortization	1,725
Other | Maryland | Annapolis
Real Estate And Accumulated Depreciation
Encumbrances	0
Initial cost to company
Land	0
Buildings and improvements	9,652
Costs capitalized subsequent to acquisition	0
Gross amount at which carried at close of period
Land	0
Buildings and improvements	9,652
Total	9,652
Accumulated depreciation and amortization	$ 4,462
Date acquired	2005
Other | New Jersey | Paramus
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	0
Buildings and improvements	0
Costs capitalized subsequent to acquisition	23,311
Gross amount at which carried at close of period
Land	1,036
Buildings and improvements	22,275
Total	23,311
Accumulated depreciation and amortization	$ 18,313
Date of construction	1967
Date acquired	1987
Other | New Jersey | Borgata Land, Atlantic City, NJ
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	83,089
Buildings and improvements	0
Costs capitalized subsequent to acquisition	0
Gross amount at which carried at close of period
Land	83,089
Buildings and improvements	0
Total	83,089
Accumulated depreciation and amortization	$ 0
Date acquired	2010
Other | New Jersey | Wayne Towne Center
Real Estate And Accumulated Depreciation
Encumbrances	$ 0
Initial cost to company
Land	0
Buildings and improvements	26,137
Costs capitalized subsequent to acquisition	56,373
Gross amount at which carried at close of period
Land	0
Buildings and improvements	82,510
Total	82,510
Accumulated depreciation and amortization	$ 29,431
Date acquired	2010
Other | California | 555 California Street
Real Estate And Accumulated Depreciation
Encumbrances	$ 537,643
Initial cost to company
Land	223,446
Buildings and improvements	895,379
Costs capitalized subsequent to acquisition	241,667
Gross amount at which carried at close of period
Land	211,459
Buildings and improvements	1,149,033
Total	1,360,492
Accumulated depreciation and amortization	$ 360,277
Date of construction	1922,1969 -1970
Date acquired	2007

SEC Schedule III Rollforward _3

SEC Schedule III Rollforward of Real Estate Assets and Accumulated Depreciation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]
Real estate, balance at beginning of period	$ 13,074,012	$ 16,237,883	$ 14,756,295
Additions during the period	14,202,977	17,675,741	16,592,044
Less: Assets sold, written-off and deconsolidated	2,115,034	4,601,729	354,161
Real estate, balance at end of period	12,087,943	13,074,012	16,237,883
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]
Accumulated depreciation, balance at beginning of period	3,015,958	3,180,175	2,885,283
Additions charged to operating expenses	344,301	360,194	381,500
Real estate accumulated depreciation	3,360,259	3,540,369	3,266,783
Less: Accumulated depreciation on assets sold, written-off and deconsolidated	190,813	524,411	86,608
Accumulated depreciation, balance at end of period	3,169,446	3,015,958	3,180,175
Land
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]
Additions during the period	1,372	46,074	170,065
Buildings & improvements
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]
Additions during the period	$ 1,127,593	$ 1,391,784	$ 1,665,684

Uncategorized Items - vno-20201

Label	Element	Value
Accounting Standards Update [Extensible List]	us-gaap_AccountingStandardsUpdateExtensibleList	us-gaap:AccountingStandardsUpdate201409Member