Real Estate Investments Schedule of Business Acquisitions (Tables) (Wholly Owned Properties [Member])

12 Months Ended

Dec. 31, 2011

Dec. 31, 2010

Wholly Owned Properties [Member]

Business Acquisition [Line Items]

Schedule of Business Acquisitions, by Acquisition [Table Text Block]

The following table provides a summary of shopping centers acquired during the year ended December 31, 2011 (in thousands):

Date Purchased	Property Name	City/State		Purchase Price	Debt Assumed, Net of Premiums	Intangible Assets	Intangible Liabilities
6/2/2011	Ocala Corners	Tallahassee, FL	$	11,129	5,937	1,724	2,558
8/18/2011	Oak Shade Town Center	Davis, CA		34,871	12,456	2,320	1,658
9/26/2011	Tech Ridge Center	Austin, TX		55,400	12,899	4,519	936
			$	101,400	31,292	8,563	5,152

The following table provides a summary of shopping centers acquired during the year ended December 31, 2010 (in thousands):

Date Purchased	Property Name	City/State		Purchase Price	Debt Assumed, Net of Premiums	Intangible Assets	Intangible Liabilities
9/1/2010	Glen Oak Plaza	Glenview, IL	$	18,000	7,880	1,508	562
12/15/2010	Willow Festival	Northbrook, IL		64,000	49,505	9,173	1,534
			$	82,000	57,385	10,681	2,096