Consolidated Statements of Changes in Equity (USD $) In Thousands, unless otherwise specified	Total	Real estate fund investments	All other except real estate fund investments	Preferred Shares	Class A Units Owned by Vornado	Earnings Less Than Distributions	Accumulated Other Comprehensive Income (Loss)	Non-controlling Interests in Consolidated Subsidiaries	Non-controlling Interests in Consolidated Subsidiaries Real estate fund investments	Non-controlling Interests in Consolidated Subsidiaries All other except real estate fund investments
Beginning balance, Value at Dec. 31, 2013	$ 7,594,744			$ 1,277,225	$ 7,151,309	$ (1,734,839)	$ 71,537	$ 829,512
Beginning balance, Units at Dec. 31, 2013				52,683	187,285
Net income attributable to Vornado Realty L.P.	86,577					86,577
Net income attributable to noncontrolling interests in consolidated subsidiaries	11,579	10,849						11,579
Net income attributable to redeemable partnership units	(3,860)					(3,860)
Distributions to Vornado	(136,761)					(136,761)
Distributions to preferred unitholders	(20,368)					(20,368)
Class A units issued to Vornado:
Upon redemption of Class A units, at redemption value, Units					55
Upon redemption of Class A units, at redemption value, Value	5,156				5,156
Under Vornado's employees' share option plan, Units					60
Under Vornado's employees' share option plan, Value	3,230				3,230
Under Vornado's dividend reinvestment plan, Units					5
Under Vornado's dividend reinvestment plan, Value	446				446
Distribution:
Distributions	(8,383)	(1,950)	(142)						(1,950)	(142)
Deferred compensation units and options, Units					7
Deferred compensation units and options, Value	1,779				2,119	(340)
Change in unrealized net (loss) gain on available-for-sale securities	13,125						13,125
Pro rata share of other comprehensive income (loss) of nonconsolidated subsidiaries	(8,286)						(8,286)
Change in value of interest rate swap	1,610						1,610
Adjustments to carry redeemable Class A units at redemption value	(136,937)				(136,937)
Redeemable partnership units' share of above adjustments	(361)						(361)
Other	(254)				(238)	(18)	1	1
Ending balance, Value at Mar. 31, 2014	7,409,327			1,277,225	7,025,085	(1,809,609)	77,626	839,000
Ending balance, Units at Mar. 31, 2014				52,683	187,412
Beginning balance, Value at Dec. 31, 2014	7,489,382			1,277,026	6,880,518	(1,505,385)	93,267	743,956
Beginning balance, Units at Dec. 31, 2014				52,679	187,887
Net income attributable to Vornado Realty L.P.	109,364					109,364
Net income attributable to noncontrolling interests in consolidated subsidiaries	15,882	13,539						15,882
Net income attributable to redeemable partnership units	(5,287)					(5,287)
Distribution of Urban Edge Properties	(464,603)					(464,262)		(341)
Distributions to Vornado	(118,447)					(118,447)
Distributions to preferred unitholders	(19,484)					(19,484)
Class A units issued to Vornado:
Upon redemption of Class A units, at redemption value, Units					210
Upon redemption of Class A units, at redemption value, Value	23,493				23,493
Under Vornado's employees' share option plan, Units					165
Under Vornado's employees' share option plan, Value	9,100				11,679	(2,579)
Under Vornado's dividend reinvestment plan, Units					3
Under Vornado's dividend reinvestment plan, Value	338				338
Contributions:
Contributions		51,350							51,350
Distribution:
Distributions	(7,280)	(52,882)	(125)						(52,882)	(125)
Conversion of Series A preferred units to Class A units, Units					1
Conversion of Series A preferred units to Class A units, Value				(12)	12
Deferred compensation units and options, Units					7
Deferred compensation units and options, Value	966				1,325	(359)
Change in unrealized net (loss) gain on available-for-sale securities	(21,332)						(21,332)
Pro rata share of other comprehensive income (loss) of nonconsolidated subsidiaries	157						157
Change in value of interest rate swap	(776)						(776)
Adjustments to carry redeemable Class A units at redemption value	25,349				25,349
Redeemable partnership units' share of above adjustments	1,288						1,288
Other	(85)						5	(90)
Ending balance, Value at Mar. 31, 2015	$ 7,043,648			$ 1,277,014	$ 6,942,714	$ (2,006,439)	$ 72,609	$ 757,750
Ending balance, Units at Mar. 31, 2015				52,679	188,273