Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2011

Shareholders' Equity [Abstract]

Schedule of Taxability of Common Shares [Table Text Block]

The following unaudited table summarizes the taxability of common share distributions (taxability for 2011 is estimated):

	2011		2010		2009
Ordinary dividend	$	1.4300	$	1.4812	$	1.6772
Qualified dividend	—		—		—
Capital gain - 15%	0.1708		—		0.0976
IRC Sec 1250 unrecapture gain - 25%	0.2992		0.0128		0.1252
Return of capital	—		0.4060		—
Total	$	1.9000	$	1.9000	$	1.9000

Temporary Equity [Table Text Block]

he Trust has outstanding the following cumulative redeemable preferred units of the Operating Partnership (the “Equity Preferred Units”):

ISSUE	AMOUNT		UNITS	LIQUIDATION PREFERENCE		DIVIDEND RATE		REDEEMABLE AS OF	EXCHANGEABLE AFTER
	(in 000’s)
Series B	$	95,000	3,800		$25	7.45	%	8/31/2009	8/31/13 into Series B Cumulative Redeemable Preferred Shares of the Trust
Series E	$	20,000	400		$50	7.00	%	6/16/2010	6/16/15 into Series E Cumulative Redeemable Preferred Shares of the Trust
Series F	$	50,000	1,000		$50	6.65	%	6/30/2010	12/12/15 into Series F Cumulative Redeemable Preferred Shares of the Trust
Series G	$	27,000	540		$50	6.70	%	12/15/2011	12/15/16 into Series G Cumulative Redeemable Preferred Shares of the Trust
Series H	$	100,000	4,000		$25	7.40	%	8/21/2012	8/21/17 into Series H Cumulative Redeemable Preferred Shares of the Trust

Preferred Unit Distributions [Table Text Block]

The Company paid the following Equity Preferred Unit distributions for the years ended December 31:

	2011	2010	2009
Distributions (in millions)	$21.0	$21.0	$21.0
Distribution per unit:
Series B	$1.86	$1.86	$1.86
Series E	$3.50	$3.50	$3.50
Series F	$3.33	$3.33	$3.33
Series G	$3.35	$3.35	$3.35
Series H	$1.85	$1.85	$1.85