Area of a real estate property.

No definition available.

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- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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- Definition

Amount after tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

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- Definition

Amount after tax of income (loss) from operations classified as a discontinued operation. Excludes gain (loss) on disposal and provision for gain (loss) until disposal.

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- Definition

Amount of interest expense attributable to disposal group, including, but not limited to, discontinued operation.

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- Definition

Amount of operating expense attributable to disposal group, including, but not limited to, discontinued operation.

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- Definition

Amount of revenue attributable to disposal group, including, but not limited to, discontinued operation.

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- Definition

Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.

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- Definition

The charge against earnings in the period to reduce the carrying amount of real property to fair value.

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- Definition

Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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- Definition

Per basic and diluted share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation, when the per share amount is the same.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

The number of units in a real estate property owned as of the balance sheet date.

+ References

No definition available.

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- Definition

Disposal Group, Including Discontinued Operation, Gain (Loss) on Disposal

+ References

No definition available.

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- Definition

Disposal Group, Including Discontinued Operation, Sale Price

+ References

No definition available.

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- Definition

Disposal Group, Excluding Discontinued Operation, Sale Price

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No definition available.

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- Definition

Number of Buildings Sold

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No definition available.

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- Definition

Number of Purchase and Sale Agreements

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No definition available.

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Real Estate Investments - Properties Sold or Held for Sale (Details) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended			12 Months Ended
	Sep. 30, 2013 USD ($) buildings agreements	Dec. 31, 2015 USD ($) apartment	Jun. 30, 2015 USD ($) ft²	Mar. 31, 2015 USD ($)	Dec. 31, 2015 USD ($) apartment $ / shares	Dec. 31, 2014 USD ($) ft² $ / shares	Dec. 31, 2013 USD ($) ft² $ / shares	Dec. 31, 2015 ft²	Dec. 31, 2015 USD ($)	Dec. 31, 2015 unit	Jul. 01, 2015 unit
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Units		506			506					3,258
Rentable Square Feet \| ft²						430,000	1,172,000	197,000
Sale Price						$ 195,161	$ 322,939		$ 137,100
Gain on sale of real estate		$ 59,400	$ 1,500	$ 30,300	$ 91,107	570	0
Gain on sale of real estate					0	105,985	22,144
Disposal Group, Including Discontinued Operation, Gain (Loss) on Disposal				$ 106,000	89,653	106,555	22,144
Net income					0	106,531	37,539
Real estate impairment			$ (5,900)		(5,909)	0	0
Depreciation and amortization, including amounts in discontinued operations					108,935	96,011	97,901
Income from properties sold or held for sale					0	546	15,395
Wellington [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Units \| unit											711
Atrium Building [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income from properties sold or held for sale					0	0	185
Medical Office Porfolio [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income from properties sold or held for sale					0	546	15,210
Montrose Shopping Center [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Rentable Square Feet \| ft²			15,000
Sale Price			$ 2,000
Gain on sale of real estate			$ 1,400
Medical Office Porfolio [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sale Price	$ 500,800
Number of Purchase and Sale Agreements \| agreements	4
Real estate revenues					0	892	41,012
Net income					$ 0	$ 546	$ 14,044
Discontinued operations (in dollars per share) \| $ / shares					$ 0.00	$ 0.01	$ 0.21
Discontinued Properties Member
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Real estate revenues					$ 0	$ 892	$ 45,791
Property expenses					0	(346)	(17,039)
Depreciation and amortization, including amounts in discontinued operations					0	0	12,161
Interest expense					$ 0	$ 0	$ (1,196)
Multifamily [Member] \| Country Club Towers [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Units \| apartment		227			227
Disposal Group, Not Discontinued Operation, Sale Price									37,800
Gain on sale of real estate					$ 30,277
Multifamily [Member] \| 1225 First Street [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Not Discontinued Operation, Sale Price									14,500
Gain on sale of real estate					$ 0
Multifamily [Member] \| Munson Hill Towers [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Units \| apartment		279			279
Disposal Group, Not Discontinued Operation, Sale Price									57,050
Gain on sale of real estate					$ 51,395
Medical Office Building [Member] \| Medical Office Portfolio Transactions III & IV [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Rentable Square Feet \| ft²						427,000
Sale Price						$ 193,561
Retail [Member] \| Montgomery Village Center [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Not Discontinued Operation, Sale Price									$ 27,750
Rentable Square Feet \| ft²								197,000
Gain on sale of real estate					$ 7,981
Retail [Member] \| Gateway 7-11 [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Rentable Square Feet \| ft²						3,000
Sale Price						$ 1,600
Office [Member] \| Atrium Building [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Rentable Square Feet \| ft²							79,000
Sale Price							$ 15,750
Gain on sale of real estate							$ 3,195
Office [Member] \| Medical Office Porfolio [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of Buildings Sold \| buildings	2
Medical Office And Office Building [Member] \| Medical Office Portfolio Transactions III & IV [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale of real estate						$ 105,985
Medical Office And Office Building [Member] \| Medical Office Portfolio Transactions I & II [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Rentable Square Feet \| ft²							1,093,000
Sale Price							$ 307,189
Gain on sale of real estate							$ 18,949