Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
REVENUES:
Property rentals	$ 1,714,952	$ 1,662,093	$ 1,626,866
Tenant expense reimbursements	233,424	221,563	218,739
Fee and other income	135,750	120,086	139,890
Total revenues	2,084,126	2,003,742	1,985,495
EXPENSES:
Operating	886,596	844,566	824,511
Depreciation and amortization	429,389	421,023	379,803
General and administrative	158,999	149,550	149,256
Acquisition and transaction related costs	1,776	9,451	12,511
Total expenses	1,476,760	1,424,590	1,366,081
Operating income	607,366	579,152	619,414
Income (loss) from partially owned entities	15,200	168,948	(9,947)
Income (loss) from real estate fund investments	3,240	(23,602)	74,081
Interest and other investment income, net	37,793	29,548	27,240
Interest and debt expense	(345,654)	(330,240)	(309,298)
Net gains on disposition of wholly owned and partially owned assets	501	160,433	149,417
Income before income taxes	318,446	584,239	550,907
Income tax (expense) benefit	(41,090)	(7,229)	85,012
Income from continuing operations	277,356	577,010	635,919
(Loss) income from discontinued operations	(13,228)	404,912	223,511
Net income	264,128	981,922	859,430
Less net income attributable to noncontrolling interests in:
Consolidated subsidiaries	(25,802)	(21,351)	(55,765)
Operating Partnership	(10,910)	(53,654)	(43,231)
Net income attributable to Vornado / Vornado Realty L.P.	227,416	906,917	760,434
Preferred share dividends / unit distributions	(65,399)	(75,903)	(80,578)
Preferred share / unit issuance cost (Series J redemption)	0	(7,408)	0
NET INCOME attributable to common shareholders / Class A unitholders	$ 162,017	$ 823,606	$ 679,856
INCOME PER COMMON SHARE - BASIC:
Income from continuing operations, net (in dollars per share)	$ 0.92	$ 2.35	$ 2.49
(Loss) income from discontinued operations, net (in dollars per share)	(0.07)	2.01	1.12
Net income per common share (in dollars per share)	$ 0.85	$ 4.36	$ 3.61
Weighted average shares outstanding	189,526	188,837	188,353
INCOME PER COMMON SHARE - DILUTED:
Income from continuing operations, net (in dollars per share)	$ 0.91	$ 2.34	$ 2.48
(Loss) income from discontinued operations, net (in dollars per share)	(0.06)	2.00	1.11
Net income per common share (in dollars per share)	$ 0.85	$ 4.34	$ 3.59
Weighted average shares outstanding	191,258	190,173	189,564
Vornado Realty L.P.
REVENUES:
Property rentals	$ 1,714,952	$ 1,662,093	$ 1,626,866
Tenant expense reimbursements	233,424	221,563	218,739
Fee and other income	135,750	120,086	139,890
Total revenues	2,084,126	2,003,742	1,985,495
EXPENSES:
Operating	886,596	844,566	824,511
Depreciation and amortization	429,389	421,023	379,803
General and administrative	158,999	149,550	149,256
Acquisition and transaction related costs	1,776	9,451	12,511
Total expenses	1,476,760	1,424,590	1,366,081
Operating income	607,366	579,152	619,414
Income (loss) from partially owned entities	15,200	168,948	(9,947)
Income (loss) from real estate fund investments	3,240	(23,602)	74,081
Interest and other investment income, net	37,793	29,548	27,240
Interest and debt expense	(345,654)	(330,240)	(309,298)
Net gains on disposition of wholly owned and partially owned assets	501	160,433	149,417
Income before income taxes	318,446	584,239	550,907
Income tax (expense) benefit	(41,090)	(7,229)	85,012
Income from continuing operations	277,356	577,010	635,919
(Loss) income from discontinued operations	(13,228)	404,912	223,511
Net income	264,128	981,922	859,430
Less net income attributable to noncontrolling interests in:
Consolidated subsidiaries	(25,802)	(21,351)	(55,765)
Operating Partnership	(10,910)	(53,654)	(43,231)
Net income attributable to Vornado / Vornado Realty L.P.	238,326	960,571	803,665
Preferred share dividends / unit distributions	(65,593)	(76,097)	(80,736)
Preferred share / unit issuance cost (Series J redemption)	0	(7,408)	0
NET INCOME attributable to common shareholders / Class A unitholders	$ 172,733	$ 877,066	$ 722,929
INCOME PER CLASS A UNIT - BASIC:
Income from continuing operations, net (in dollars per share)	$ 0.91	$ 2.34	$ 2.49
(Loss) income from discontinued operations, net (in dollars per share)	(0.07)	2.02	1.12
Net income per Class A unit (in dollars per share)	$ 0.84	$ 4.36	$ 3.61
Weighted average units outstanding	201,214	200,350	199,309
INCOME PER CLASS A UNIT - DILUTED:
Income from continuing operations, net (in dollars per share)	$ 0.90	$ 2.32	$ 2.46
(Loss) income from discontinued operations, net (in dollars per share)	(0.07)	2.00	1.11
Net income per Class A unit (in dollars per share)	$ 0.83	$ 4.32	$ 3.57
Weighted average units outstanding	203,300	202,017	201,158