Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
REVENUES:
Total revenues	$ 1,924,700	$ 2,163,720	$ 2,084,126
EXPENSES:
Operating	(917,981)	(963,478)	(886,596)
Depreciation and amortization	(419,107)	(446,570)	(429,389)
General and administrative	(169,920)	(141,871)	(150,782)
(Expense) benefit from deferred compensation plan liability	(11,609)	2,480	(6,932)
Transaction related costs, impairment losses and other	(106,538)	(31,320)	(1,776)
Total expenses	(1,625,155)	(1,580,759)	(1,475,475)
Income from partially owned entities	78,865	9,149	15,200
(Loss) income from real estate fund investments	(104,082)	(89,231)	3,240
Interest and other investment income, net	21,819	17,057	30,861
Income (loss) from deferred compensation plan assets	11,609	(2,480)	6,932
Interest and debt expense	(286,623)	(347,949)	(345,654)
Net gain on transfer to Fifth Avenue and Times Square JV	2,571,099	0	0
Purchase price fair value adjustment	0	44,060	0
Net gains on disposition of wholly owned and partially owned assets	845,499	246,031	501
Income before income taxes	3,437,731	459,598	319,731
Income tax expense	(103,439)	(37,633)	(42,375)
Income from continuing operations	3,334,292	421,965	277,356
(Loss) income from discontinued operations	(30)	638	(13,228)
Net income	3,334,262	422,603	264,128
Less net loss (income) attributable to noncontrolling interests in:
Consolidated subsidiaries	24,547	53,023	(25,802)
Operating Partnership	(210,872)	(25,672)	(10,910)
Net income attributable to Vornado / Vornado Realty L.P.	3,147,937	449,954	227,416
Preferred share dividends / unit distributions	(50,131)	(50,636)	(65,399)
Preferred share / unit issuance costs	0	(14,486)	0
NET INCOME attributable to common shareholders / Class A unitholders	$ 3,097,806	$ 384,832	$ 162,017
INCOME PER COMMON SHARE - BASIC:
Income from continuing operations, net (in dollars per share)	$ 16.23	$ 2.02	$ 0.92
Loss from discontinued operations, net (in dollars per share)	0	0	(0.07)
Net income per common share (in dollars per share)	$ 16.23	$ 2.02	$ 0.85
Weighted average shares outstanding	190,801	190,219	189,526
INCOME PER COMMON SHARE - DILUTED:
Income from continuing operations, net (in dollars per share)	$ 16.21	$ 2.01	$ 0.91
Loss from discontinued operations, net (in dollars per share)	0	0	(0.06)
Net income per common share (in dollars per share)	$ 16.21	$ 2.01	$ 0.85
Weighted average shares outstanding	191,053	191,290	191,258
Vornado Realty L.P.
REVENUES:
Total revenues	$ 1,924,700	$ 2,163,720	$ 2,084,126
EXPENSES:
Operating	(917,981)	(963,478)	(886,596)
Depreciation and amortization	(419,107)	(446,570)	(429,389)
General and administrative	(169,920)	(141,871)	(150,782)
(Expense) benefit from deferred compensation plan liability	(11,609)	2,480	(6,932)
Transaction related costs, impairment losses and other	(106,538)	(31,320)	(1,776)
Total expenses	(1,625,155)	(1,580,759)	(1,475,475)
Income from partially owned entities	78,865	9,149	15,200
(Loss) income from real estate fund investments	(104,082)	(89,231)	3,240
Interest and other investment income, net	21,819	17,057	30,861
Income (loss) from deferred compensation plan assets	11,609	(2,480)	6,932
Interest and debt expense	(286,623)	(347,949)	(345,654)
Net gain on transfer to Fifth Avenue and Times Square JV	2,571,099	0	0
Purchase price fair value adjustment	0	44,060	0
Net gains on disposition of wholly owned and partially owned assets	845,499	246,031	501
Income before income taxes	3,437,731	459,598	319,731
Income tax expense	(103,439)	(37,633)	(42,375)
Income from continuing operations	3,334,292	421,965	277,356
(Loss) income from discontinued operations	(30)	638	(13,228)
Net income	3,334,262	422,603	264,128
Less net loss (income) attributable to noncontrolling interests in:
Consolidated subsidiaries	24,547	53,023	(25,802)
Operating Partnership	(210,872)	(25,672)	(10,910)
Net income attributable to Vornado / Vornado Realty L.P.	3,358,809	475,626	238,326
Preferred share dividends / unit distributions	(50,296)	(50,830)	(65,593)
Preferred share / unit issuance costs	0	(14,486)	0
NET INCOME attributable to common shareholders / Class A unitholders	$ 3,308,513	$ 410,310	$ 172,733
INCOME PER CLASS A UNIT - BASIC:
Income from continuing operations, net (in dollars per share)	$ 16.22	$ 2.01	$ 0.91
Income (loss) from discontinued operations, net (in dollars per share)	0	0.01	(0.07)
Net income per Class A unit (in dollars per share)	$ 16.22	$ 2.02	$ 0.84
Weighted average units outstanding	202,947	202,068	201,214
INCOME PER CLASS A UNIT - DILUTED:
Income from continuing operations, net (in dollars per share)	$ 16.19	$ 2.00	$ 0.90
Loss from discontinued operations, net (in dollars per share)	0	0	(0.07)
Net income per Class A unit (in dollars per share)	$ 16.19	$ 2.00	$ 0.83
Weighted average units outstanding	203,248	203,412	203,300
Rental revenues
REVENUES:
Total revenues	$ 1,767,222	$ 2,007,333	$ 1,948,376
Rental revenues | Vornado Realty L.P.
REVENUES:
Total revenues	1,767,222	2,007,333	1,948,376
Fee and other income
REVENUES:
Total revenues	157,478	156,387	135,750
Fee and other income | Vornado Realty L.P.
REVENUES:
Total revenues	$ 157,478	$ 156,387	$ 135,750