Discontinued Operations (Schedule Of Discontinued Operating Results) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Discontinued Operations and Disposal Groups [Abstract]
Revenues, net	$ 1,062	$ 43,452	$ 92,193
Depreciation and amortization	(260)	(10,902)	(20,710)
Operating expenses	(285)	(7,457)	(17,090)
Real estate taxes, net	(136)	(4,766)	(11,643)
Impairment loss	0	(236)	(5,851)
General and administrative	(2)	(24)	(2,214)
Interest, net	(19)	(7,527)	(10,215)
Interest and other income, net	0	2	1
Gain on acquisition	0	0	1,869
Provision for income taxes	(18)	(328)	(422)
Operating income from discontinued operations	342	12,214	25,918
Gain on sale of property from discontinued operations	44,582	119,203	68,619
Income from Discontinued Operations	$ 44,924	$ 131,417	$ 94,537

Amount of gain (loss), after tax expense or benefit and not previously recognized, resulting from the sale of a business component.

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After tax income (loss) from operations of a business component (exclusive of any gain (loss) on disposal, or provision therefore) during the reporting period, until its disposal.

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Amount, before tax, of loss recognized for the write-down to fair value, less cost to sell, of a disposal group. Includes before tax gain for a subsequent increase in fair value (less cost to sell) up to the cumulative loss previously recognized through write-downs.

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Income tax expense or benefit attributable to Income or Loss from discontinued operations during the phase-out period.

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Amount of depreciation and amortization attributable to disposal group.

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Amount of general and administrative expense attributable to disposal group.

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Amount of interest expense allocated to disposal group, including a discontinued operation.

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Amount of operating expenses attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

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Amount of other income attributable to disposal group.

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Amount of sales or other form of revenues attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

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Amount of income (loss) from a disposal group, net of income tax before extraordinary items allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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Disposal group including discontinued operation, real estate taxes net

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Disposal Group, Including Discontinued Operations, Gain on Acquisition

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