XML 39 R96.htm IDEA: XBRL DOCUMENT
v3.20.1

REAL ESTATE OWNED (UNITED DOMINION REALTY, L.P.) - Summary (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Real estate owned |  |
Land | $ 2,163,055 | $ 2,164,032
Depreciable property - held and used: |  |
Land improvements | 225,850 | 224,964
Building, improvements, and furniture, fixtures and equipment | 10,178,547 | 10,102,758
Real estate owned | 12,817,998 | 12,602,101
Accumulated depreciation | (4,272,471) | (4,131,353)
Total real estate owned, net of accumulated depreciation | 8,545,527 | 8,470,748
United Dominion Realty L.P. |  |
Real estate owned |  |
Land | 711,256 | 711,256
Depreciable property - held and used: |  |
Land improvements | 97,807 | 96,864
Building, improvements, and furniture, fixtures and equipment | 3,077,550 | 3,067,040
Real estate owned | 3,886,613 | 3,875,160
Accumulated depreciation | (1,831,814) | (1,796,568)
Total real estate owned, net of accumulated depreciation | $ 2,054,799 | $ 2,078,592

X
- Definition Depreciable property - held and used. + References No definition available. + Details
Name: | udr_DepreciablePropertyHeldAndUsedAbstract
Namespace Prefix: | udr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Investment Building and Building Improvements, and Furniture, Fixtures and Equipment + References No definition available. + Details
Name: | udr_InvestmentBuildingAndBuildingImprovementsAndFurnitureFixturesAndEquipment
Namespace Prefix: | udr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Real Estate Owned Gross. + References No definition available. + Details
Name: | udr_RealEstateOwnedGross
Namespace Prefix: | udr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Accumulated depreciation for real estate owned, including real estate held for investment, real estate under development, and real estate held for disposition. + References No definition available. + Details
Name: | udr_RealEstatesOwnedAccumulatedDepreciation
Namespace Prefix: | udr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount before accumulated depletion of real estate held for productive use, excluding land held for sale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 4 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=118951113&loc=d3e6812-107765 + Details
Name: | us-gaap_Land
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition 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. + References No definition available. + Details
Name: | us-gaap_LandImprovements
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(d)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 + Details
Name: | us-gaap_RealEstateInvestmentPropertyNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | dei_LegalEntityAxis=udr_UnitedDominionRealityLPMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |