000200 - Consolidated Statements of Income (USD $) In Thousands, except Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
REVENUES
Property rentals	$ 43,424	$ 40,790	$ 86,889	$ 81,005
Expense reimbursements	18,612	18,376	38,019	36,705
Total revenues	62,036	59,166	124,908	117,710
EXPENSES
Operating (including fees to Vornado of $1,217, $1,266 $2,553, $2,508, respectively)	19,951	18,817	41,138	37,873
Depreciation and amortization	8,577	7,801	16,811	15,248
General and administrative (including management fees to Vornado of $540 and $1,080 in each three and six-month period)	700	1,313	1,799	2,437
Total expenses	29,228	27,931	59,748	55,558
OPERATING INCOME	32,808	31,235	65,160	62,152
Interest and other income, net	1,715	204	1,820	487
Interest and debt expense	(14,319)	(15,131)	(29,124)	(29,877)
Net loss on early extinguishment of debt	0	0	0	(1,238)
Income before income taxes	20,204	16,308	37,856	31,524
Income tax (expense) benefit	(9)	(159)	151	(259)
Net income	20,195	16,149	38,007	31,265
Net (income) loss attributable to the noncontrolling interest	(38)	(600)	357	(602)
Net income attributable to Alexander's	$ 20,157	$ 15,549	$ 38,364	$ 30,663
Net income per common share - basic
Net income per common share - basic	$ 3.95	$ 3.05	$ 7.51	$ 6.01
Weighted average shares - basic	5,106,351	5,105,936	5,106,144	5,105,936
Net income per common share - diluted
Net income per common share - diluted	$ 3.95	$ 3.05	$ 7.51	$ 6.01
Weighted average shares - diluted	5,106,351	5,105,936	5,106,144	5,105,936
Dividends per common share	$ 3.00	$ 2.50	$ 6.00	$ 2.50