CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
REVENUES:
Rental income	$ 1,700,956	$ 1,663,525	$ 1,620,658
Joint venture management and other fees	$ 11,361	$ 8,317	$ 6,843
Type of revenue	udr:ManagementAndOtherFeesMember	udr:ManagementAndOtherFeesMember	udr:ManagementAndOtherFeesMember
Total revenues	$ 1,712,317	$ 1,671,842	$ 1,627,501
OPERATING EXPENSES:
Property operating and maintenance	304,971	292,572	273,736
Real estate taxes and insurance	233,817	232,130	232,152
Property management	55,281	54,065	52,671
Other operating expenses	30,734	30,416	20,222
Real estate depreciation and amortization	654,121	676,068	676,419
General and administrative	85,104	84,305	69,929
Casualty-related charges/(recoveries), net	11,682	15,179	3,138
Other depreciation and amortization	25,914	19,405	15,419
Total operating expenses	1,401,624	1,404,140	1,343,686
Gain/(loss) on sale of real estate owned	242,913	16,867	351,193
Operating income	553,606	284,569	635,008
Income/(loss) from unconsolidated entities	28,388	20,235	4,693
Interest expense	(196,619)	(195,712)	(180,866)
Interest income and other income/(expense), net	19,175	(12,336)	17,759
Income/(loss) before income taxes	404,550	96,756	476,594
Tax (provision)/benefit, net	(835)	(879)	(2,106)
Net income/(loss)	403,715	95,877	474,488
Net (income)/loss attributable to redeemable noncontrolling interests in the Operating Partnership and DownREIT Partnership	(25,965)	(6,246)	(30,104)
Net (income)/loss attributable to noncontrolling interests	(46)	(46)	(31)
Net income/(loss) attributable to UDR, Inc.	377,704	89,585	444,353
Distributions to preferred stockholders - Series E (Convertible)	(4,839)	(4,835)	(4,848)
Net income/(loss) attributable to common stockholders	$ 372,865	$ 84,750	$ 439,505
Income/(loss) per weighted average common share - basic	$ 1.13	$ 0.26	$ 1.34
Income/(loss) per weighted average common share - diluted	$ 1.13	$ 0.26	$ 1.34
Weighted average number of common shares outstanding - basic	330,322	329,290	328,765
Weighted average number of common shares outstanding - diluted	331,053	330,116	329,104