Investments in Partially Owned Entities (Tables)

3 Months Ended

Mar. 31, 2016

Schedule Of Equity Method Investments [Line Items]

Equity Method Investments [Table Text Block]

(Amounts in thousands)		Percentage
		Ownership at		Balance as of
		March 31, 2016		March 31, 2016		December 31, 2015
Investments:
	Partially owned office buildings (1)		Various	$	869,233	$	909,782
	Alexander’s		32.4%		128,264		133,568
	PREIT		8.1%		128,068		133,375
	India real estate ventures		4.1%-36.5%		48,037		48,310
	UE		5.4%		26,227		25,351
	Other investments (2)		Various		353,421		300,036
				$	1,553,250	$	1,550,422
(1)	Includes interests in 280 Park Avenue, 650 Madison Avenue, One Park Avenue, 666 Fifth Avenue (Office), 330 Madison Avenue, 512 West 22nd Street and others.
(2)	Includes interests in Independence Plaza, 85 Tenth Avenue, Fashion Center Mall, 50-70 West 93rd Street, Toys "R" Us, Inc. (which has a carrying amount of zero) and others.

(Amounts in thousands)			Percentage
			Ownership at		For the Three Months Ended March 31,
			March 31, 2016		2016		2015
Our Share of Net Income (Loss):
	Alexander's (see page 13 for details):
		Equity in net income		32.4%	$	6,937	$	5,594
		Management, leasing and development fees				1,725		2,097
						8,662		7,691
	UE (see page 13 for details):
		Equity in net earnings		5.4%		876		-
		Management fees				209		584
						1,085		584
	Partially owned office buildings (1)			Various		(14,249)		(9,296)
	PREIT (see page 13 for details)			8.1%		(4,288)		-
	India real estate ventures			4.1%-36.5%		(686)		(109)
	Other investments (2)			Various		5,236		(1,613)
					$	(4,240)	$	(2,743)
(1)	Includes interests in 280 Park Avenue, 650 Madison Avenue, One Park Avenue, 666 Fifth Avenue (Office), 330 Madison Avenue, 512 West 22nd Street and others.
(2)	Includes interests in Independence Plaza, 85 Tenth Avenue, Fashion Center Mall, 50-70 West 93rd Street, Toys "R" Us, Inc. and others.