Identified Intangible Assets And Liabilities (Schedule Of Future Amortization (Accretion) Expense) (Details) (USD $)	12 Months Ended									3 Months Ended	12 Months Ended
	Dec. 31, 2013 Leases, Acquired-in-Place, Market Adjustment [Member]	Dec. 31, 2012 Leases, Acquired-in-Place, Market Adjustment [Member]	Dec. 31, 2011 Leases, Acquired-in-Place, Market Adjustment [Member]	Dec. 31, 2013 Leases, Acquired-in-Place [Member]	Dec. 31, 2012 Leases, Acquired-in-Place [Member]	Dec. 31, 2011 Leases, Acquired-in-Place [Member]	Dec. 31, 2013 Mortgages, Acquired-in-Place, Market Adjustment [Member]	Dec. 31, 2012 Mortgages, Acquired-in-Place, Market Adjustment [Member]	Dec. 31, 2011 Mortgages, Acquired-in-Place, Market Adjustment [Member]	Mar. 31, 2013 Acceleration Of Mortgage Intangible Amortization [Member]	Dec. 31, 2013 Acceleration Of Mortgage Intangible Amortization [Member]
Finite-Lived Intangible Assets [Line Items]
2014	$ (1,678,000)			$ 13,268,000			$ (1,551,000)
2015	(1,696,000)			11,293,000			(1,189,000)
2016	(1,609,000)			8,706,000			(772,000)
2017	(1,272,000)			8,098,000			(892,000)
2018	(1,116,000)			7,748,000			(982,000)
Amortization (accretion)	$ (600,000)	$ (800,000)	$ (1,500,000)	$ 11,600,000	$ 7,800,000	$ 6,200,000	$ (10,400,000)	$ (2,700,000)	$ (2,200,000)	$ (9,700,000)	$ (9,700,000)