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Real Estate Disposition Activities (Details) (USD $)
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12 Months Ended | ||
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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| Real estate disposition activities | |||
| Number of communities sold | 4 | ||
| Proceeds from sale of land | $ 145,271,000 | ||
| Summary of income from discontinued operations | |||
| Rental income | 25,373,000 | 53,290,000 | 56,705,000 |
| Operating and other expenses | (8,075,000) | (25,513,000) | (31,164,000) |
| Interest expense, net | (133,000) | (4,808,000) | (5,212,000) |
| Loss on extinguishment of debt | (602,000) | (3,880,000) | |
| Depreciation expense | (4,068,000) | (11,209,000) | (12,379,000) |
| Income from discontinued operations | 12,495,000 | 7,880,000 | 7,950,000 |
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Unimproved land parcel in Chicago, IL
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| Real estate disposition activities | |||
| Proceeds from sale of land | 12,300,000 | ||
| Gain from sale of land | 280,000 | ||
| Impairment charges | $ 16,363,000 | ||
| Number of unimproved land parcels sold | 1 | ||
| X | ||||||||||
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- Definition
Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity attributable to the disposal group, including a component of the entity (discontinued operation). No definition available.
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- Definition
The gain from the sale of land held for investment; excludes sales of land held as inventory or productive use. No definition available.
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- Definition
Represents the number of apartment communities sold during the period. No definition available.
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- Definition
Represents the number of properties disposed of during the period. No definition available.
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- Definition
Amount of expense from discontinued operations, that reflects the allocation of the cost of tangible and intangible assets over the assets' useful lives. No definition available.
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- Definition
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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of interest expense allocated to disposal group, including a discontinued operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of operating expenses attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of rental income attributable to the disposal group, including a component of the entity (discontinued operation). No definition available.
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- Details
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- Definition
The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
The cash inflow from the sale of land held for investment; excludes sales of land held as inventory or productive use. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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