000300 - Consolidated Statement of Changes in Equity (USD $) In Thousands, except Share data	Total	Common Stock	Additional Capital	Retained Earnings	Treasury Stock	Alexander's Equity	Non-controlling Interest
Total equity at Dec. 31, 2009	$ 314,626	$ 5,173	$ 31,501	$ 275,921	$ (375)	$ 312,220	$ 2,406
Shares Issued, Beginning Balance at Dec. 31, 2009		5,173,000
Net income (loss)	31,265			30,663		30,663	602
Dividends paid	(12,765)			(12,765)		(12,765)
Total equity at Jun. 30, 2010	333,126	5,173	31,501	293,819	(375)	330,118	3,008
Shares Issued, Ending Balance at Jun. 30, 2010		5,173,000
Total equity at Dec. 31, 2010	343,776	5,173	31,501	304,055	(375)	340,354	3,422
Shares Issued, Beginning Balance at Dec. 31, 2010	5,173,450	5,173,000
Net income (loss)	38,007			38,364		38,364	(357)
Dividends paid	(30,636)			(30,636)		(30,636)
Distributions	(600)						(600)
Deferred stock unit grant	300		300			300
Total equity at Jun. 30, 2011	$ 350,847	$ 5,173	$ 31,801	$ 311,783	$ (375)	$ 348,382	$ 2,465
Shares Issued, Ending Balance at Jun. 30, 2011	5,173,450	5,173,000