    <SEC-DOCUMENT>0000074208-23-000063-index.html : 20231026
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    <ACCEPTANCE-DATETIME>20231026161854
    ACCESSION NUMBER:		0000074208-23-000063
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		20
    CONFORMED PERIOD OF REPORT:	20231026
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20231026
    DATE AS OF CHANGE:		20231026

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			UDR, Inc.
    		CENTRAL INDEX KEY:			0000074208
    		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
    		IRS NUMBER:				540857512
    		STATE OF INCORPORATION:			MD
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-10524
    		FILM NUMBER:		231350422

    	BUSINESS ADDRESS:
    		STREET 1:		1745 SHEA CENTER DRIVE
    		STREET 2:		SUITE 200
    		CITY:			HIGHLANDS RANCH
    		STATE:			CO
    		ZIP:			80129
    		BUSINESS PHONE:		720-283-6120

    	MAIL ADDRESS:
    		STREET 1:		1745 SHEA CENTER DRIVE
    		STREET 2:		SUITE 200
    		CITY:			HIGHLANDS RANCH
    		STATE:			CO
    		ZIP:			80129

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	UNITED DOMINION REALTY TRUST INC
    		DATE OF NAME CHANGE:	19920703

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	OLD DOMINION REAL ESTATE INVESTMENT TRUST
    		DATE OF NAME CHANGE:	19850110

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	OLD DOMINION REIT ONE
    		DATE OF NAME CHANGE:	19770921
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>udr-20231026x8k.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: udr-20231026x8k.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>udr-20231026xex99d1.htm
    <DESCRIPTION>EX-99.1
    <TEXT>
    Document 2 - file: udr-20231026xex99d1.htm

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    <DOCUMENT>
    <TYPE>EX-99.2
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    <FILENAME>udr-20231026xex99d2.htm
    <DESCRIPTION>EX-99.2
    <TEXT>
    Document 3 - file: udr-20231026xex99d2.htm

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    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>4
    <FILENAME>udr-20231026xex99d1.pdf
    <DESCRIPTION>EX-99.1
    <TEXT>
    Document 4 - file: udr-20231026xex99d1.pdf

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    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>5
    <FILENAME>udr-20231026xex99d2.pdf
    <DESCRIPTION>EX-99.2
    <TEXT>
    Document 5 - file: udr-20231026xex99d2.pdf

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>udr-20231026xex99d1001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: udr-20231026xex99d1001.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>udr-20231026xex99d2001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: udr-20231026xex99d2001.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>udr-20231026xex99d2003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: udr-20231026xex99d2003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>9
    <FILENAME>udr-20231026.xsd
    <DESCRIPTION>EX-101.SCH
    <TEXT>
    Document 9 - file: udr-20231026.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.DEF
    <SEQUENCE>10
    <FILENAME>udr-20231026_def.xml
    <DESCRIPTION>EX-101.DEF
    <TEXT>
    Document 10 - file: udr-20231026_def.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>11
    <FILENAME>udr-20231026_lab.xml
    <DESCRIPTION>EX-101.LAB
    <TEXT>
    Document 11 - file: udr-20231026_lab.xml

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    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>12
    <FILENAME>udr-20231026_pre.xml
    <DESCRIPTION>EX-101.PRE
    <TEXT>
    Document 12 - file: udr-20231026_pre.xml

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>13
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 13 - file: R1.htm

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>14
    <FILENAME>udr-20231026x8k_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 14 - file: udr-20231026x8k_htm.html

    Document 14 - RAW XML: udr-20231026x8k_htm.xml

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    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>15
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 15 - file: Financial_Report.xlsx

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>16
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 16 - file: Show.js

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>17
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 17 - file: report.css

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>18
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 18 - file: FilingSummary.html

    Document 18 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>20
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 20 - file: MetaLinks.json

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    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>21
    <FILENAME>0000074208-23-000063-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 21 - file: 0000074208-23-000063-xbrl.zip

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