Business Combinations (Transactions Related To Acquisitions) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012		Dec. 31, 2011
Assets
Property	$ 64,200,000
Liabilities
Gain on acquisition	0	1,869,000		4,559,000
Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]
Fair value of our equity interest before acquisition		3,825,000
Fair value of consideration transferred		218,481,000	[1]
Assets
Property		195,377,000
Unamortized debt and lease costs		36,787,000
Restricted deposits and mortgage escrows		395,000
Other, net		3,742,000
Liabilities
Debt, net		(46,923,000)	[2]
Accounts payable and accrued expenses		(2,250,000)
Other, net		(5,899,000)
Total net assets		181,229,000
Acquisition costs (included in operating expenses)		1,391,000
Gain on acquisition		1,869,000
Assumption of debt		37,800,000
Debt previously recorded		$ 6,300,000

[1] Includes assumption of debt totaling $37.8 million.

[2] Represents the fair value of debt, which includes $6.3 million that was previously recorded.