Consolidated Statements of Income - Equity Method Investee Name [Domain] - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
REVENUES:
Property rentals	$ 514,843	$ 478,490	$ 1,015,117	$ 945,630
Tenant expense reimbursements	62,215	55,110	129,136	114,411
Fee and other income	39,230	40,811	78,837	76,751
Total revenues	616,288	574,411	1,223,090	1,136,792
EXPENSES:
Operating	242,690	230,398	497,183	466,959
Depreciation and amortization	136,957	113,200	261,079	244,992
General and administrative	39,189	40,478	97,681	87,980
Acquisition and transaction related costs	4,061	1,067	6,042	2,352
Total expenses	422,897	385,143	861,985	802,283
Operating income	193,391	189,268	361,105	334,509
Loss from partially owned entities	(5,231)	(53,742)	(7,636)	(51,763)
Income from real estate fund investments	26,368	100,110	50,457	118,258
Interest and other investment income, net	5,666	9,396	16,458	21,246
Interest and debt expense	(92,092)	(103,913)	(183,766)	(200,225)
Net gain on disposition of wholly owned and partially owned assets	0	905	1,860	10,540
Income before income taxes	128,102	142,024	238,478	232,565
Income tax benefit (expense)	88,072	(3,280)	87,101	(4,131)
Income from continuing operations	216,174	138,744	325,579	228,434
(Loss) income from discontinued operations	(774)	26,943	15,067	35,409
Net income	215,400	165,687	340,646	263,843
Less net income attributable to noncontrolling interests in consolidated subsidiaries	(19,186)	(63,975)	(35,068)	(75,554)
Net income attributable to Vornado Realty L.P.	196,214	101,712	305,578	188,289
Preferred unit distributions	(20,414)	(20,379)	(39,910)	(40,759)
NET INCOME attributable to Class A unitholders	$ 175,800	$ 81,333	$ 265,668	$ 147,530
INCOME PER CLASS A UNIT - BASIC:
Income from continuing operations, net (in dollars per unit)	$ 0.88	$ 0.27	$ 1.25	$ 0.56
Income from discontinued operations, net (in dollars per unit)	0.00	0.14	0.08	0.18
Net income per Class A unit (in dollars per unit)	$ 0.88	$ 0.41	$ 1.33	$ 0.74
Weighted average units outstanding (in units)	199,038	198,232	198,857	198,075
INCOME PER CLASS A UNIT - DILUTED:
Income from continuing operations, net (in dollars per unit)	$ 0.87	$ 0.27	$ 1.24	$ 0.55
Income from discontinued operations, net (in dollars per unit)	0.00	0.13	0.07	0.18
Net income per Class A unit (in dollars per unit)	$ 0.87	$ 0.40	$ 1.31	$ 0.73
Weighted average units outstanding (in units)	200,833	199,746	200,833	199,550
DISTRIBUTIONS PER CLASS A UNIT (in dollars per unit)	$ 0.63	$ 0.73	$ 1.26	$ 1.46