Acquired Lease Intangibles (Schedule Of Acquired Lease Intangible Assets And Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Acquired Lease Intangibles [Line Items]
Acquired lease intangibles, net	$ 8,437	$ 10,139
Acquired below-market lease intangibles, net	1,800	2,021
In-Place Leases [Member]
Acquired Lease Intangibles [Line Items]
Acquired lease intangible assets	21,807	22,720
Acquired lease intangible assets, accumulated depreciation	(13,696)	(12,978)
Above-Market Leases [Member]
Acquired Lease Intangibles [Line Items]
Acquired lease intangible assets	2,184	2,247
Acquired lease intangible assets, accumulated depreciation	(1,858)	(1,850)
Below-Market Leases [Member]
Acquired Lease Intangibles [Line Items]
Acquired lease intangible liabilities	4,509	4,623
Acquired lease intangible liabilities, accumulated amortization	$ (2,709)	$ (2,602)