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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible preferred stock using the if-converted method.

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Income Per Class A Unit (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Per Class A Unit [Abstract]
Income (loss) from continuing operations, net of income attributable to noncontrolling interests									$ 328,519	$ (62,146)	$ 351,979
Income from discontinued operations, net of income attributable to noncontrolling interests									583,946	562,934	310,544
Net income attributable to Vornado Realty L.P.									912,465us-gaap_NetIncomeLoss	500,788us-gaap_NetIncomeLoss	662,523us-gaap_NetIncomeLoss
Preferred unit distributions									(81,514)	(83,965)	(86,873)
Preferred unit redemptions									0	(1,130)	8,948
Net income attributable to Class A unitholders	544,287	139,134	81,333	66,197	(73,042)	88,037	154,775	245,923	830,951	415,693	584,598
Earnings allocated to unvested participating securities									(4,260)	(2,705)	(3,413)
Numerator for basic income per Class A unit									826,691vrlp_NumeratorForBasicIncomePerUnit	412,988vrlp_NumeratorForBasicIncomePerUnit	581,185vrlp_NumeratorForBasicIncomePerUnit
Convertible preferred unit distributions									97	0	113
Numerator for diluted income per Class A unit									$ 826,788vrlp_NumeratorForDilutedIncomePerUnit	$ 412,988vrlp_NumeratorForDilutedIncomePerUnit	$ 581,298vrlp_NumeratorForDilutedIncomePerUnit
Denominator for basic income per Class A unit - weighted average units (in units)									198,213	197,551	197,082
Vornado stock options and restricted unit awards (in units)									1,557	1,092	1,002
Convertible preferred units (in units)									43	0	50
Denominator for diluted income per Class A unit - weighted average units and assumed conversions (in units)									199,813	198,643	198,134
INCOME (LOSS) PER CLASS A UNIT - BASIC:
Income (loss) from continuing operations, net (in dollars per unit)									$ 1.22	$ (0.76)	$ 1.37
Income from discontinued operations, net (in dollars per unit)									$ 2.95	$ 2.85	$ 1.58
Net income per Class A unit (in dollars per unit)	$ 2.73	$ 0.70	$ 0.41	$ 0.33	$ (0.37)	$ 0.44	$ 0.78	$ 1.24	$ 4.17	$ 2.09	$ 2.95
INCOME (LOSS) PER CLASS A UNIT - DILUTED:
Income (loss) from continuing operations, net (in dollars per unit)									$ 1.22	$ (0.75)	$ 1.36
Income from discontinued operations, net (in dollars per unit)									$ 2.92	$ 2.83	$ 1.57
Net income per Class A unit (in dollars per unit)	$ 2.71	$ 0.69	$ 0.40	$ 0.33	$ (0.37)	$ 0.44	$ 0.78	$ 1.23	$ 4.14	$ 2.08	$ 2.93