Vornado Capital Partners Real Estate Fund (the "Fund") (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Details Of Income From Real Estate Funds [Abstract]
Income from Real Estate Fund	$ 16,564	$ 11,762
Consolidated subsidiaries	(11,286)	(9,597)
Income From Real Estate Fund Attributable To Parent Company	7,024	3,829
Fee And Other Income	97,225	33,278
Real Estate Funds [Member]
Details Of Income From Real Estate Funds [Abstract]
Consolidated subsidiaries	(9,540)	(7,933)
Fee And Other Income	682	703
Operating Income [Member]
Details Of Income From Real Estate Funds [Abstract]
Income from Real Estate Fund	3,048	4,918
Unrealized Gain From Mark To Market [Member]
Details Of Income From Real Estate Funds [Abstract]
Income from Real Estate Fund	$ 13,516	$ 6,844