XML 74 R65.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Real Estate Owned (Details Textual) (USD $) | 3 Months Ended | 9 Months Ended | 12 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | 3 Months Ended | 9 Months Ended |  | 9 Months Ended |  | 3 Months Ended | 9 Months Ended |  | 9 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2014 Apartment_Homes States Communities | Sep. 30, 2014 States Communities Apartment_Homes | Sep. 30, 2013 Apartment_Homes | Sep. 30, 2014 States Communities Apartment_Homes | Sep. 30, 2013 Apartment_Homes | Dec. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2014 New York Properties [Member] | Sep. 30, 2014 United Dominion Reality L.P. [Member] Apartment_Homes States Communities | Sep. 30, 2013 United Dominion Reality L.P. [Member] | Sep. 30, 2014 United Dominion Reality L.P. [Member] Apartment_Homes States Communities | Sep. 30, 2013 United Dominion Reality L.P. [Member] | Sep. 30, 2013 United Dominion Reality L.P. [Member] | Dec. 31, 2013 United Dominion Reality L.P. [Member] | Dec. 31, 2012 United Dominion Reality L.P. [Member] | Sep. 30, 2014 United Dominion Reality L.P. [Member] New York Properties [Member] | Sep. 30, 2014 Operating Community [Member] | Sep. 30, 2014 Operating Community [Member] | Sep. 30, 2014 Operating Community [Member] Unconsolidated Joint Venture Four Texas [Member] Communities | Sep. 30, 2014 Operating Community [Member] United Dominion Reality L.P. [Member] | Sep. 30, 2014 Development Community [Member] Unconsolidated Joint Venture Vitruvian Park [Member] Communities | Mar. 31, 2014 Land [Member] | Sep. 30, 2014 Land [Member] | Sep. 30, 2014 Land [Member] Unconsolidated Joint Venture Vitruvian Park [Member] | Sep. 30, 2014 Lightbox [Member] | Sep. 30, 2014 Land [Member] | Sep. 30, 2014 Waterscape [Member] | Sep. 30, 2014 Grandview [Member]
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Communities Held For Sale | 1 | 1 |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Owned (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of states in which there are owned and consolidated communities | 10 | 10 |  | 10 |  |  |  |  | 9 |  | 9 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of apartment homes owned and consolidated by the Company | 40,477 | 40,477 |  | 40,477 |  |  |  |  | 20,753 |  | 20,753 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Joint Venture and Partnership Number of Operating Communities Owned | 141 | 141 |  | 141 |  |  |  |  | 67 |  | 67 |  |  |  |  |  |  |  | 8 |  | 1 |  |  | 6 |  |  |  |
Development costs excluding direct costs and capitlized interest |  | $ 1,720,000 | $ 2,400,000 | $ 7,230,000 | $ 8,500,000 |  |  |  | $ 496,000 | $ 618,000 | $ 1,793,000 |  | $ 2,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest capitalized during period |  | 5,200,000 | 6,600,000 | 15,400,000 | 23,200,000 |  |  |  | 800,000 | 1,700,000 | 2,800,000 |  | 4,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Apartments Owned |  |  |  | 1,904 |  | 914 |  |  |  |  |  |  |  | 914 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Impairment of Long-Lived Assets Held-for-use |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |
Other Cost and Expense, Operating |  | 2,009,000 | 1,775,000 | 6,097,000 | 5,211,000 |  |  |  | 1,484,000 | 1,405,000 | 4,371,000 |  | 4,215,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Additions |  |  |  | 129,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 45,500,000 | 77,800,000 | 75,200,000 |
Proceeds from Sale of Property, Plant, and Equipment |  |  |  | 237,700,000 |  |  |  |  |  |  | 48,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments for (Proceeds from) Investments |  |  |  | 233,913,000 | 140,834,000 |  |  |  |  |  | 47,922,000 |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gains/(loss) on sales of real estate, net of tax |  | 31,302,000 | 0 | 82,305,000 | 0 |  |  |  | 0 | 0 | 40,687,000 |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (Loss) on Disposition of Property Plant Equipment |  | 100,000 |  | 82,400,000 |  |  |  |  |  |  | 24,400,000 |  |  |  |  |  | 31,300,000 | 81,200,000 |  | 39,600,000 |  | 1,100,000 | 1,100,000 |  |  |  |  | 100,000
Communities Sold |  |  |  | 6 | 0 | 2 |  |  |  |  | 1 | 0 | 0 | 2 |  |  |  | 1 |  |  |  |  |  |  |  |  |  | 1
Number of Communities Acquired | 2 | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Apartment Homes Acquired | 0 | 358 | 0 |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Casualty-related (recoveries)/charges, net |  |  |  |  |  |  |  |  | 0 | (3,807,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Casualty (Recoveries)/Charges |  | $ 0 | $ 6,460,000 | $ (500,000) | $ 12,253,000 |  | $ (12,253,000) |  | $ 0 | $ 3,807,000 | $ (500,000) |  | $ 8,083,000 |  | $ (8,083,000) |  |  |  |  |  |  |  |  |  |  |  |  |

X
- Definition Apartment homes sold. + References No definition available. + Details
Name: | udr_ApartmentHomesSold
Namespace Prefix: | udr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Casualty (Recoveries)/Charges + References No definition available. + Details
Name: | udr_CasualtyRecoveriesCharges
Namespace Prefix: | udr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Communities held for sale. + References No definition available. + Details
Name: | udr_CommunitiesHeldForSale
Namespace Prefix: | udr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Communities sold. + References No definition available. + Details
Name: | udr_CommunitiesSold
Namespace Prefix: | udr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Development Costs Excluding Direct Costs and Capitlized Interest + References No definition available. + Details
Name: | udr_DevelopmentCostsExcludingDirectCostsAndCapitlizedInterest
Namespace Prefix: | udr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of apartment homes acquired. + References No definition available. + Details
Name: | udr_NumberOfApartmentHomesAcquired
Namespace Prefix: | udr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number Of Apartment Homes Owned And Consolidated By Company + References No definition available. + Details
Name: | udr_NumberOfApartmentHomesOwnedAndConsolidatedByCompany
Namespace Prefix: | udr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of Communities Acquired + References No definition available. + Details
Name: | udr_NumberofCommunitiesAcquired
Namespace Prefix: | udr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | udr_RealEstateOwnedTextualAbstract
Namespace Prefix: | udr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
Name: | us-gaap_GainLossOnSaleOfPropertyPlantEquipment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The net gain (loss) resulting from sales and other disposals of real estate owned for investment purposes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.14(d)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 14 -Subparagraph d -Article 9 + Details
Name: | us-gaap_GainsLossesOnSalesOfInvestmentRealEstate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2420-110228 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2921-110230 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 225 -Section 45 -Paragraph 11 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28367520&loc=d3e92212-112881 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Impairment -URI http://asc.fasb.org/extlink&oid=6515133 + Details
Name: | us-gaap_ImpairmentOfLongLivedAssetsHeldForUse
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount recovered from insurance. These recoveries reduce costs and losses that are reported as a separate line item under operating expenses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
Name: | us-gaap_InsuranceRecoveries
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of interest capitalized, including amount of allowance for funds used during construction. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Allowance for Funds Used during Construction -URI http://asc.fasb.org/extlink&oid=6504829 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 835 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501662&loc=d3e56162-110433 + Details
Name: | us-gaap_InterestCostsIncurredCapitalized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The number of real estate properties owned as of the balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfRealEstateProperties
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of states the entity operates in as of the balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfStatesInWhichEntityOperates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 3 -Article 5 + Details
Name: | us-gaap_OtherCostAndExpenseOperating
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The net cash paid (received) associated with the acquisition or disposal of all investments, including securities and other assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3095-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3098-108585 + Details
Name: | us-gaap_PaymentsForProceedsFromInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
Name: | us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentAdditions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_RealEstatePropertiesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration