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Apartment homes sold.

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Development Costs Excluding Direct Costs and Capitalized Interest

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Gain from the consolidation from the purchase of an unconsolidated joint venture.

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Number of apartment homes acquired.

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Number Of Apartment Homes Owned And Consolidated By Company

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Real estate owned.

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Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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Amount of assets acquired at the acquisition date.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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The net gain (loss) resulting from sales and other disposals of real estate owned for investment purposes.

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Amount of interest capitalized, including amount of allowance for funds used during construction.

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The number of real estate properties owned as of the balance sheet date.

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The number of states the entity operates in as of the balance sheet date.

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

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Payments to develop real estate assets is the process of adding improvements on or to a parcel of land. Such improvements may include drainage, utilities, subdividing, access, buildings, and any combination of these elements; and are generally classified as cash flow from investing activities.

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Cash received for the sale of real estate that is not part of an investing activity during the current period.

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Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Amount of real estate investment property 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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REAL ESTATE OWNED - Additional Information (Details) $ in Thousands		1 Months Ended				3 Months Ended		9 Months Ended
	May 07, 2020 USD ($) home	Oct. 31, 2020 USD ($) home	Aug. 31, 2020 USD ($)	May 31, 2020 USD ($) home	Jan. 31, 2020 USD ($) home	Sep. 30, 2020 USD ($) item community state	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) item community state	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Real Estate Owned Disclosure
Number of real estate properties \| community						148		148
Number of states in which there are owned and consolidated communities \| state						13		13
Number of apartment homes owned and consolidated \| item						47,488		47,488
Gain/(loss) on sale of real estate owned								$ 61,303	$ 5,282
In-place intangibles						$ 40,570		40,570		$ 40,570
Development costs excluding direct costs and capitalized interest						1,600	$ 1,900	10,300	6,900
Interest capitalized during period						1,800	$ 1,400	4,900	3,800
Development of real estate assets								88,261	$ 19,248
Real estate held for investment						12,533,801		12,533,801		$ 12,532,324
Long-term Debt						$ 4,920,127		$ 4,920,127
Note due February 2021
Real Estate Owned Disclosure
Amount of a promissory note				$ 4,000
Preferred Equity Investment Hillsboro Oregon
Real Estate Owned Disclosure
Ownership (as a percent)					100.00%					49.00%
Number of apartment homes \| home					276
Payment to acquire real estate					$ 21,600
294 Home Operating Community in Tampa
Real Estate Owned Disclosure
Number of apartment homes acquired \| home					294
Real estate acquired					$ 85,200
Real estate acquired					83,100
In-place intangibles					$ 2,100
71 Home Operating Community in Bellevue
Real Estate Owned Disclosure
Apartment homes sold \| home				71
Proceeds from sale of real estate				$ 49,700
Gain/(loss) on sale of real estate owned				$ 29,600
196 Home Operating Community in Seattle
Real Estate Owned Disclosure
Apartment homes sold \| home	196
Proceeds from sale of real estate	$ 92,900
Gain/(loss) on sale of real estate owned	$ 31,700
King of Prussia
Real Estate Owned Disclosure
Real estate acquired			$ 16,200
Operating Community in Washington DC
Real Estate Owned Disclosure
Apartment homes sold \| home		332
Proceeds from sale of real estate		$ 145,000
Gain/(loss) on sale of real estate owned		$ 58,000
Preferred Equity Investment Hillsboro Oregon
Real Estate Owned Disclosure
Number of apartment homes acquired \| home					276
Ownership (as a percent)					100.00%
Real estate acquired					$ 67,800
In-place intangibles					1,700
Payment to acquire real estate					21,600
Repayments of joint venture construction financing					35,600
Gain on consolidation					$ 0