Apartment homes sold.

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Communities held for sale.

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Communities sold.

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No definition available.

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The aggregate total of property management fee expense that is attributable to the disposal group.

+ References

No definition available.

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- Definition

The aggregate total of rental expenses that is attributable to the disposal group.

+ References

No definition available.

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

+ References

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Tax effect allocated to a disposal group that is classified as a component of the entity reported as a separate component of income before extraordinary items. Includes the tax effects of the following: 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Amount of depreciation and amortization attributable to disposal group.

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

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Amount of rental income attributable to the disposal group, including a component of the entity (discontinued operation).

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No definition available.

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Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

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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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Amount of income (loss) from a disposal group, net of income tax, reported as a separate component of income before extraordinary items after deduction or consideration of the amount 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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Discontinued Operations (Details) (USD $)	3 Months Ended		9 Months Ended		12 Months Ended		3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended		9 Months Ended			12 Months Ended	9 Months Ended
Discontinued Operations (Details) (USD $)	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Dec. 31, 2012	Sep. 30, 2014 Operating Community [Member]	Sep. 30, 2014 Operating Community [Member]	Mar. 31, 2014 Land [Member]	Sep. 30, 2014 Land [Member]	Sep. 30, 2014 United Dominion Reality L.P. [Member]	Sep. 30, 2013 United Dominion Reality L.P. [Member]	Sep. 30, 2014 United Dominion Reality L.P. [Member]	Sep. 30, 2013 United Dominion Reality L.P. [Member]	Sep. 30, 2013 United Dominion Reality L.P. [Member]	Dec. 31, 2013 United Dominion Reality L.P. [Member]	Sep. 30, 2014 United Dominion Reality L.P. [Member] Operating Community [Member]
Disposal Group, Including Discontinued Operation, Operating Income (Loss)	$ 6,000	$ 884,000	$ (103,000)	$ 2,567,000
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax	75,000	0	75,000			0
Gain (Loss) on Disposition of Property Plant Equipment	100,000		82,400,000				31,300,000	81,200,000	1,100,000	1,100,000			24,400,000				39,600,000
Discontinued Operations (Textual) [Abstract]
Communities sold (in communities)			6	0	2			1					1	0	0	2
Apartment Homes Sold			1,904		914											914
Communities held for sale (in communities)	1		1
Summary of income from discontinued operations
Rental income	21,000	2,462,000	147,000	7,130,000							0	2,438,000	0		7,016,000
Rental expenses	11,000	970,000	225,000	2,733,000							0	869,000	0		2,467,000
Property management	1,000	68,000	4,000	196,000							0	67,000	0		193,000
Real estate depreciation	0	528,000	0	1,608,000							0	524,000	0		1,590,000
Other operating expenses	3,000	12,000	21,000	26,000
Income tax benefit/(expense)	(2,000)	0	38,000	0
Income/(loss) from discontinued operations, net of tax	79,000	884,000	10,000	2,567,000		2,567,000					0	978,000	0		2,766,000
Income/(loss) from discontinued operations attributable to common stockholders	$ 73,000	$ 852,000	$ 6,000	$ 2,475,000							$ 0	$ 978,000	$ 0		$ 2,766,000