Business Combination, Acquisition Related Costs, Abandoned Pursuit Costs

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- Definition

The charge against earnings in the period to reduce the carrying amount of real property to fair value resulting from a casualty event.

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No definition available.

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Insurance proceeds received relating to a casualty loss.

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No definition available.

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- Definition

Represents the number of apartment homes acquired during the period.

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No definition available.

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- Definition

Number of Communities Acquired

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No definition available.

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- Definition

Number of Land Parcels Impaired

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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.

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No definition available.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

The net amount (to the extent disclosed within this portion of the income statement) by which an insurance settlement exceeds incremental costs incurred from the event causing an interruption of business, plus the insurance award for earnings lost from the event, such as a natural catastrophe, explosion or fire.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

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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.

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No definition available.

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Investments in Real Estate Entities (Details 3) $ in Thousands	3 Months Ended		6 Months Ended		15 Months Ended
	Jun. 30, 2016 USD ($) land_parcel	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($) community land_parcel home	Jun. 30, 2015 USD ($)	Mar. 31, 2016 USD ($)	May 31, 2016	Jan. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Business Acquisition [Line Items]
Number of Communities Acquired \| community			2
Current interest rate (as a percent)						3.35%
Business Combination, Acquisition Related Costs, Abandoned Pursuit Costs	$ 1,436	$ 673	$ 3,282	$ 1,860
Real Estate [Line Items]
Impairment of Real Estate	$ (1,732)	(17,114)	$ (3,935)	(11,326)
Number of Land Parcels Impaired \| land_parcel	1		3
Real Estate Investment Property, Net	$ 14,381,762		$ 14,381,762					$ 13,847,526
Avalon Hoboken [Member]
Business Acquisition [Line Items]
Number of Apartment Homes, Acquired \| home			217
Business Combination, Consideration Transferred			$ 129,700
Avalon Potomac Yard [Member]
Business Acquisition [Line Items]
Number of Apartment Homes, Acquired \| home			323
Business Combination, Consideration Transferred			$ 108,250
Land [Member]
Real Estate [Line Items]
Impairment of Real Estate	4,000	0	10,500	0
Avalon at Edgewater [Member]
Real Estate [Line Items]
Impairment of Real Estate		(17,114)	(8,702)	(16,321)
Gain on Business Interruption Insurance Recovery			20,306
Insurance Proceeds		22,000	29,008	44,142	$ 73,150
Real Estate Investment Property, Net		21,844		21,844
Casualty Loss		$ 4,886		5,977
New England [Member]
Real Estate [Line Items]
Impairment of Real Estate	(5,732)
Insurance Proceeds	8,493
Casualty Loss	$ 2,761
New England [Member]
Real Estate [Line Items]
Impairment of Real Estate				$ 4,195
New England [Member] \| Avalon at Edgewater [Member]
Real Estate [Line Items]
Impairment of Real Estate			$ 26,039
Notes Payable Maturities 2020 [Member] \| Secured notes \| Avalon Hoboken [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt							$ 67,904
Current interest rate (as a percent)							4.18%