Consolidated Statements of Changes in Equity - USD ($) shares in Thousands, $ in Thousands	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, Units at Dec. 31, 2013				52,683	187,285
Beginning balance, Value at Dec. 31, 2013	$ 7,594,744			$ 1,277,225	$ 7,151,309	$ (1,734,839)	$ 71,537	$ 829,512
Net income attributable to Vornado Realty L.P.	188,289					188,289
Net income attributable to redeemable partnership units	(8,564)					(8,564)
Net income attributable to noncontrolling interests in consolidated subsidiaries	75,554	$ 72,629						75,554
Distributions to Vornado	(273,694)					(273,694)
Distributions to preferred unitholders	(40,734)					(40,734)
Class A units issued to Vornado:
Upon redemption of redeemable Class A units, at redemption value, Units					199
Upon redemption of redeemable Class A units, at redemption value, Value	19,771				$ 19,771
Under Vornado's employees' share option plan, Units					159
Under Vornado's employees' share option plan, Value	9,206				$ 9,206
Under Vornado's dividend reinvestment plan, Units					9
Under Vornado's dividend reinvestment plan, Value	919				$ 919
Contributions:
Contributions		5,297							$ 5,297
Distribution:
Distributions	(16,824)	(132,819)	$ (301)						(132,819)	$ (301)
Transfer of noncontrolling interest in real estate fund investments	(33,028)							(33,028)
Conversion of Series A preferred units to Class A units, Units				(4)	6
Conversion of Series A preferred units to Class A units, Value				$ (193)	$ 193
Deferred compensation units and options, Units					7
Deferred compensation units and options, Value	3,044				$ 3,384	(340)
Change in unrealized net (loss) gain on available-for-sale securities	15,003						15,003
Pro rata share of other comprehensive (loss) income of nonconsolidated subsidiaries	5,877						5,877
Change in value of interest rate swap	1,065						1,065
Adjustments to carry redeemable Class A units at redemption value	(227,338)				(227,338)
Redeemable partnership units' share of above adjustments	(1,260)						(1,260)
Other	(2,677)			$ (6)	$ (297)	(2,368)	(1)	(5)
Ending balance, Units at Jun. 30, 2014				52,679	187,665
Ending balance, Value at Jun. 30, 2014	7,198,354			$ 1,277,026	$ 6,957,147	(1,872,250)	92,221	744,210
Beginning balance, Units at Dec. 31, 2014				52,679	187,887
Beginning balance, Value at Dec. 31, 2014	7,489,382			$ 1,277,026	$ 6,880,518	(1,505,385)	93,267	743,956
Net income attributable to Vornado Realty L.P.	305,578					305,578
Net income attributable to redeemable partnership units	(15,485)					(15,485)
Net income attributable to noncontrolling interests in consolidated subsidiaries	35,068	29,411						35,068
Distribution of Urban Edge Properties	(464,603)					(464,262)		(341)
Distributions to Vornado	(237,160)					(237,160)
Distributions to preferred unitholders	(39,849)					(39,849)
Class A units issued to Vornado:
Upon redemption of redeemable Class A units, at redemption value, Units					400
Upon redemption of redeemable Class A units, at redemption value, Value	43,278				$ 43,278
Under Vornado's employees' share option plan, Units					195
Under Vornado's employees' share option plan, Value	10,400				$ 12,979	(2,579)
Under Vornado's dividend reinvestment plan, Units					7
Under Vornado's dividend reinvestment plan, Value	701				$ 701
Contributions:
Contributions		51,725							51,725
Distribution:
Distributions	(14,734)	$ (62,495)	$ (255)						$ (62,495)	$ (255)
Transfer of noncontrolling interest in real estate fund investments	0
Conversion of Series A preferred units to Class A units, Units				(1)	1
Conversion of Series A preferred units to Class A units, Value				$ (16)	$ 16
Deferred compensation units and options, Units					7
Deferred compensation units and options, Value	1,295				$ 1,654	(359)
Change in unrealized net (loss) gain on available-for-sale securities	(46,332)						(46,332)
Pro rata share of other comprehensive (loss) income of nonconsolidated subsidiaries	(1,034)						(1,034)
Change in value of interest rate swap	2,073						2,073
Adjustments to carry redeemable Class A units at redemption value	229,521				$ 229,521
Redeemable partnership units' share of above adjustments	2,635						2,635
Other	867					955	4	(92)
Ending balance, Units at Jun. 30, 2015				52,678	188,497
Ending balance, Value at Jun. 30, 2015	$ 7,305,310			$ 1,277,010	$ 7,168,667	$ (1,958,546)	$ 50,613	$ 767,566