Variable Interest Entities (Narrative) (Details) (USD $)	6 Months Ended
	Jun. 30, 2011		Dec. 31, 2010
Through Secured Loans [Member] | Unconsolidated Variable Interest Entities [Member]
Number of VIE real estate joint ventures	2
Through Guaranty On Debt [Member] | Unconsolidated Variable Interest Entities [Member]
Number of VIE real estate joint ventures	1
Texas [Member] | Consolidated Variable Interest Entities [Member]
Number of neighborhood/community shopping centers	22
Georgia [Member] | Consolidated Variable Interest Entities [Member]
Number of neighborhood/community shopping centers	3
Tennessee [Member] | Consolidated Variable Interest Entities [Member]
Number of neighborhood/community shopping centers	2
Florida [Member] | Consolidated Variable Interest Entities [Member]
Number of neighborhood/community shopping centers	2
North Carolina [Member] | Consolidated Variable Interest Entities [Member]
Number of neighborhood/community shopping centers	1
Unconsolidated Variable Interest Entities [Member]
Maximum exposure to loss	$ 77,446,000	[1]	$ 56,448,000	[1]
Debt associated with tenancy-in-common arrangement	21,600,000
Consolidated Variable Interest Entities [Member]
Number of VIE real estate joint ventures	2
Number of neighborhood/community shopping centers	30
Maximum exposure to loss	157,100,000
Assets held by consolidated variable interest entities	271,800,000		280,300,000
Variable interest entity classification of carrying amount collateral	$ 247,700,000		$ 253,600,000

[1] The maximum risk of loss has been determined to be limited to our debt exposure for each real estate joint venture.