Discontinued Operations (Details) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)
Discontinued Operation, Tax Effect of Discontinued Operation	$ 0	$ (40)	$ 0	$ (40)
Disposal Group, Including Discontinued Operation, Interest Expense	0	2	0	3
Disposal Group, Including Discontinued Operation, Operating Income (Loss)	0	$ 9	0	$ 18
Discontinued Operations (Textual) [Abstract]
Communities held for sale (in communities)		1		1
Summary of income from discontinued operations
Rental expenses	0	$ 78	0	$ 126
Real estate depreciation	0	89	0	214
Income/(loss) from discontinued operations, net of tax	0	18	0	(69)
Income/(loss) from discontinued operations attributable to common stockholders	$ 0	17	$ 0	(67)
Operating Community [Member]
Gain (Loss) on Disposition of Property Plant Equipment		$ 26,700		49,900
Land [Member]
Gain (Loss) on Disposition of Property Plant Equipment				$ 1,100

Communities held for sale.

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Discontinued operations.

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

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Summary of income from discontinued operations.

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No definition available.

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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

-Publisher FASB

-Name Accounting Standards Codification

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Amount of depreciation and amortization 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 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 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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