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Number of apartment homes acquired.

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Number of apartment homes under the wholly owned communities contributed to newly formed joint venture.

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Number of apartment homes owned and consolidated by company.

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Number of communities sold.

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Number of wholly owned communities contributed to newly formed joint venture.

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Represents the operating partnership units issued.

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Amount of in-place lease intangibles recorded from real estate property acquired.

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Amount of increase in real estate owned from acquisition.

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Amount of cash outflow to settle the joint venture's loan.

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Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities.

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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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The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner.

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REAL ESTATE OWNED - Additional Information (Details) $ in Thousands	1 Months Ended						3 Months Ended		9 Months Ended
	Sep. 30, 2026 USD ($) property home state community	Aug. 31, 2026 USD ($)	Jul. 31, 2026 USD ($) home	Jun. 30, 2026 USD ($) home	Apr. 30, 2026 USD ($) home	Mar. 31, 2026 USD ($) home community	Sep. 30, 2026 USD ($) property community state home	Sep. 30, 2025 USD ($)	Sep. 30, 2026 USD ($) property community state home	Sep. 30, 2025 USD ($)	Dec. 31, 2025
Real estate properties
Number of real estate properties \| community	162						162		162
Number of states in which there are owned and consolidated communities \| state	12						12		12
Number of apartment homes owned and consolidated \| home	54,222						54,222		54,222
Gain/(loss) on sale of real estate owned			$ 75,200				$ 190,084		$ 383,204	$ 47,939
Development costs excluding direct costs and capitalized interest							2,500	$ 1,400	8,900	5,500
Interest capitalized during period							$ 2,600	$ 2,200	$ 7,000	$ 6,300
235 operating community in Seattle, Washington
Real estate properties
Number of apartment homes sold \| home			235
Proceeds from sale of real estate			$ 157,000
Gain/(loss) on sale of real estate owned			$ 93,700
Operating community Nashville, Tennessee
Real estate properties
Number of apartment homes sold \| home	177
Proceeds from sale of real estate	$ 26,000
Gain/(loss) on sale of real estate owned	$ 21,200
Home operating community in Alexandria, Virginia
Real estate properties
Number of apartment homes sold \| home			396
Proceeds from sale of real estate			$ 69,000
Preferred Equity Investments
Real estate properties
Proceeds from sale of real estate		$ 29,500
UDR/LaSalle
Real estate properties
Number of real estate properties \| property	10						10		10
Number of wholly owned communities contributed			1,000
UDR's ownership interest	51.00%		51.00%				51.00%		51.00%		51.00%
Number of apartment homes contributed \| home			360
Operating community 232 apartment homes in Portland, Oregon
Real estate properties
Number of apartment homes acquired \| home					232
Repayment of joint venture's loan					$ 53,400
Equity investments settled upon liquidation					18,900
Payment of cash consideration					0
Increase from acquisition					72,100
In-place lease intangibles					1,200
Gain (loss) from consolidation and remeasurement					$ 300
Four operating communities located in various markets
Real estate properties
Number of communities sold \| community						4
Number of apartment homes sold \| home						1,159
Proceeds from sale of real estate						$ 362,000
Gain/(loss) on sale of real estate owned						$ 157,400
Home operating apartment community
Real estate properties
Number of apartment homes acquired \| home			286
Repayment of joint venture's loan			$ 74,100
Payment of cash consideration			0
Increase from acquisition			102,300
In-place lease intangibles			2,000
Gain (loss) from consolidation and remeasurement			2,100
Proceeds from preferred investment			$ 27,500
Operating community Nashville, Tennessee
Real estate properties
Number of communities sold \| home				206
Proceeds from sale of real estate				$ 41,500
Gain/(loss) on sale of real estate owned				$ 35,700
Operating community 66 apartment homes in Santa Monica, California
Real estate properties
Number of apartment homes acquired \| home				66
Increase from acquisition				$ 45,100
In-place lease intangibles				1,200
Gain (loss) from consolidation and remeasurement				3,800
OP Units Issued				$ 2,800
Home community 482, Riverside, California
Real estate properties
Number of apartment homes acquired	483,000
Increase from acquisition	$ 246,800
In-place lease intangibles	3,300						$ 3,300		$ 3,300
Gain (loss) from consolidation and remeasurement	$ 1,100