CONSOLIDATED STATEMENT OF CHANGES IN EQUITY - USD ($) $ in Thousands	Preferred Stock	Common Stock	Paid-in Capital	Distributions in Excess of Net Income	Accumulated Other Comprehensive Income/(Loss), net	Noncontrolling Interests	Total
Beginning Balance at Dec. 31, 2022	$ 44,615	$ 3,290	$ 7,493,423	$ (3,451,587)	$ 8,344	$ 210	$ 4,098,295
Consolidated Statements of Changes in Equity
Net income/(loss) attributable to UDR, Inc.				444,353			444,353
Other comprehensive income/(loss)					(3,430)		(3,430)
Issuance/(forfeiture) of common and restricted shares, net		2	6,558				6,560
Issuance of common shares through public offering, net			(551)				(551)
Adjustment for conversion of noncontrolling interest of unitholders in the Operating Partnership and DownREIT Partnership		4	18,790				18,794
Common stock distributions declared				(553,021)			(553,021)
Repurchase of common shares		(6)	(25,003)				(25,009)
Preferred stock distributions declared-Series E				(4,848)			(4,848)
Adjustment to reflect redemption value of redeemable noncontrolling interests				10,211			10,211
Ending Balance at Dec. 31, 2023	44,615	3,290	7,493,217	(3,554,892)	4,914	210	3,991,354
Consolidated Statements of Changes in Equity
Net income/(loss) attributable to UDR, Inc.				89,585			89,585
Other comprehensive income/(loss)					(1,276)		(1,276)
Issuance/(forfeiture) of common and restricted shares, net		1	5,119				5,120
Issuance of common shares through public offering, net			(456)				(456)
Conversion of Series E Cumulative Convertible shares	(1,422)	1	1,421
Adjustment for conversion of noncontrolling interest of unitholders in the Operating Partnership and DownREIT Partnership		17	73,179				73,196
Contribution of noncontrolling interests in consolidated real estate						125	125
Common stock distributions declared				(560,911)			(560,911)
Preferred stock distributions declared-Series E				(4,835)			(4,835)
Adjustment to reflect redemption value of redeemable noncontrolling interests				(148,362)			(148,362)
Ending Balance at Dec. 31, 2024	43,193	3,309	7,572,480	(4,179,415)	3,638	335	3,443,540
Consolidated Statements of Changes in Equity
Net income/(loss) attributable to UDR, Inc.				377,704			377,704
Other comprehensive income/(loss)					(1,978)		(1,978)
Issuance/(forfeiture) of common and restricted shares, net		2	10,556				10,558
Issuance of common shares through public offering, net			(463)				(463)
Adjustment for conversion of noncontrolling interest of unitholders in the Operating Partnership and DownREIT Partnership		4	15,800				15,804
Common stock distributions declared				(568,406)			(568,406)
Repurchase of common shares		(32)	(117,779)				(117,811)
Preferred stock distributions declared-Series E				(4,839)			(4,839)
Adjustment to reflect redemption value of redeemable noncontrolling interests				134,688			134,688
Ending Balance at Dec. 31, 2025	$ 43,193	$ 3,283	$ 7,480,594	$ (4,240,268)	$ 1,660	$ 335	$ 3,288,797