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Depreciable property - held and used.

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Gross amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

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Investment Building and Building Improvements, and Furniture, Fixtures and Equipment

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Real Estate Owned Gross.

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Accumulated depreciation for real estate owned, including real estate held for investment, real estate under development, and real estate held for disposition.

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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 before accumulated depletion of real estate held for productive use, excluding land held for sale.

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Amount before accumulated deprecation and depletion of additions or improvements to real estate held for productive use. Examples include, but are not limited to, walkways, driveways, fences, and parking lots.

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Carrying amount as of the balance sheet date of investments in land and buildings held for sale, excluding real estate considered to be inventory of the entity.

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REAL ESTATE OWNED (UNITED DOMINION REALTY, L.P.) - Summary (Details) $ in Thousands	1 Months Ended	9 Months Ended
	Oct. 31, 2020 USD ($) home	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Real estate owned
Land		$ 2,144,489		$ 2,164,032
Depreciable property - held and used:
Land improvements		230,291		224,964
Building, improvements, and furniture, fixtures and equipment		10,118,451		10,102,758
Real estate owned		12,861,020		12,602,101
Accumulated depreciation		(4,512,771)		(4,131,353)
Total real estate owned, net of accumulated depreciation		8,348,249		8,470,748
Gain/(loss) on sales of real estate owned		61,303	$ 5,282
Land and land improvements
Depreciable property - held and used:
Real estate held for disposition		9,654
Building, improvements and furniture, fixtures and equipment
Depreciable property - held and used:
Real estate held for disposition		119,742
United Dominion Realty L.P.
Real estate owned
Land		702,197		711,256
Depreciable property - held and used:
Land improvements		100,593		96,864
Building, improvements, and furniture, fixtures and equipment		2,980,492		3,067,040
Real estate owned		3,912,678		3,875,160
Accumulated depreciation		(1,902,081)		(1,796,568)
Total real estate owned, net of accumulated depreciation		2,010,597		$ 2,078,592
United Dominion Realty L.P. \| Operating community located in Alexandria, Virginia
Depreciable property - held and used:
Number of apartment homes sold \| home	332
Gross proceeds from sale of properties	$ 145,000
Gain/(loss) on sales of real estate owned	$ 58,000
United Dominion Realty L.P. \| Land and land improvements
Depreciable property - held and used:
Real estate held for disposition		9,654
United Dominion Realty L.P. \| Building, improvements and furniture, fixtures and equipment
Depreciable property - held and used:
Real estate held for disposition		$ 119,742