Acquired Lease Intangibles (Schedule Of Acquired Lease Intangible Assets And Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Acquired Lease Intangibles [Line Items]
Acquired lease intangibles, net	$ 13,331	$ 15,976
Acquired below-market lease intangibles, net	2,563	3,507
In-Place Leases [Member]
Acquired Lease Intangibles [Line Items]
Acquired lease intangible assets	22,588	27,821
Acquired lease intangible assets, accumulated depreciation	(11,330)	(14,096)
Above-Market Leases [Member]
Acquired Lease Intangibles [Line Items]
Acquired lease intangible assets	3,599	3,774
Acquired lease intangible assets, accumulated depreciation	(1,844)	(1,881)
Below-Market Leases [Member]
Acquired Lease Intangibles [Line Items]
Acquired lease intangible assets	358	358
Acquired lease intangible assets, accumulated depreciation	(40)
Acquired lease intangible liabilities	4,280	6,286
Acquired lease intangible liabilities, accumulated amortization	$ (1,717)	$ (2,779)