XML 24 R78.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Secured and Unsecured Debt (Details Textual) (USD $) | 3 Months Ended |  | 3 Months Ended |  | 3 Months Ended |  | 3 Months Ended |  | 3 Months Ended | 9 Months Ended |  | 3 Months Ended |  | 3 Months Ended | 9 Months Ended | 3 Months Ended |  | 9 Months Ended |  |  |  | 3 Months Ended | 9 Months Ended |  |  |  | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 Fixed Rate Debt [Member] | Dec. 31, 2013 Fixed Rate Debt [Member] | Sep. 30, 2014 Variable Rate Debt [Member] | Dec. 31, 2013 Variable Rate Debt [Member] | Sep. 30, 2014 3.75 MTN Due July 2024 [Member] | Jun. 26, 2014 3.75 MTN Due July 2024 [Member] | Sep. 30, 2014 Mortgages Notes Payable [Member] Fixed Rate Debt [Member] | Sep. 30, 2014 Mortgages Notes Payable [Member] Fixed Rate Debt [Member] | Dec. 31, 2013 Mortgages Notes Payable [Member] Fixed Rate Debt [Member] | Sep. 30, 2014 Mortgages Notes Payable [Member] Variable Rate Debt [Member] | Dec. 31, 2013 Mortgages Notes Payable [Member] Variable Rate Debt [Member] | Sep. 30, 2014 Debt Assumed As Part of Acquisition [Member] | Sep. 30, 2013 Debt Assumed As Part of Acquisition [Member] | Sep. 30, 2014 Debt Assumed As Part of Acquisition [Member] | Sep. 30, 2013 Debt Assumed As Part of Acquisition [Member] | Sep. 30, 2014 Tax Exempt Notes Payable [Member] Variable Rate Debt [Member] | Dec. 31, 2013 Tax Exempt Notes Payable [Member] Variable Rate Debt [Member] | Sep. 30, 2014 Fannie Mae credit facilities [Member] Fixed Rate Debt [Member] credit_facility | Dec. 31, 2013 Fannie Mae credit facilities [Member] Fixed Rate Debt [Member] | Sep. 30, 2014 Fannie Mae credit facilities [Member] Variable Rate Debt [Member] | Dec. 31, 2013 Fannie Mae credit facilities [Member] Variable Rate Debt [Member] | Sep. 30, 2014 Tax Exempt Secured Notes Payable [Member] Variable Rate Debt [Member] | Sep. 30, 2014 Tax Exempt Secured Notes Payable [Member] Variable Rate Debt [Member] | Sep. 30, 2014 UDR Bank Credit Facility [Member] | Dec. 31, 2013 UDR Bank Credit Facility [Member] | Sep. 30, 2014 Line of Credit [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member] Fair Value, Measurements, Recurring [Member] Fannie Mae credit facilities [Member] Variable Rate Debt [Member] | Sep. 30, 2014 Mortgages Notes Payable [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member] Fair Value, Measurements, Recurring [Member] Fannie Mae credit facilities [Member] Fixed Rate Debt [Member] | Sep. 30, 2014 End of range of inital term of debt [Member] Fannie Mae credit facilities [Member] | Dec. 31, 2012 End of range of inital term of debt [Member] Fannie Mae credit facilities [Member]
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Medium-term Notes |  |  |  |  |  |  |  | $ 300,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  | 3.75% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of Debt Instrument Price |  |  |  |  |  |  | 99.652% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Secured Debt (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Secured debt amount which encumbers real estate owned based upon book value | 2,300,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of secured debt which encumbers real estate owned based upon book value | 26.90% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Secured debt amount of real estate owned which is unencumbered | 6,100,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of secured debt of real estate owned which is unencumbered | 73.10% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of secured credit facilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 |  |  |  |  |  |  |  |  |  |  |
Credit facilities with aggregate commitment | 835,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 835,200,000 |  |  |  |  |  | 900,000,000 | 900,000,000 |  |  |  |
Debt Instrument, Term |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 years | 10 years
Secured debt including debt on real estate held for sale |  |  | 1,061,926,000 | 1,072,373,000 | 337,446,000 | 369,704,000 |  |  | 438,172,000 | 438,172,000 | 445,706,000 | 31,337,000 | 63,595,000 |  |  |  |  | 94,700,000 | 94,700,000 |  | 626,667,000 | 211,409,000 | 211,409,000 |  |  |  |  | 211,409,000 | 623,754,000 |  |
Weighted average interest rate | 3.98% |  | 5.19% |  | 1.39% |  | 3.75% |  | 5.47% |  |  | 1.94% |  |  |  |  |  | 0.77% |  |  |  |  |  |  |  |  |  |  |  |  |
Unamortized fair market adjustment | 8,000,000 | 11,800,000 |  |  |  |  | 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Maturity Date Range, Start |  |  |  |  |  |  |  |  |  | Dec. 01, 2014 |  |  |  |  |  |  |  |  |  | May 01, 2017 |  |  |  | Aug. 01, 2019 |  |  |  |  |  |  |
Debt instrument, maturity date range, end |  |  |  |  |  |  |  |  |  | May 01, 2019 |  |  |  |  |  |  |  |  |  | Jul. 01, 2023 |  |  |  | Mar. 20, 2032 |  |  |  |  |  |  |
Notes payable minimum interest rates range |  |  |  |  |  |  |  |  |  | 3.43% |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.74% |  |  |  |  |  |
Notes payable maximum interest rates range |  |  |  |  |  |  |  |  |  | 5.94% |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.79% |  |  |  |  |  |
Amortization of Debt Discount (Premium) |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,300,000 | $ 1,300,000 | $ 3,800,000 | $ 3,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |

X
- Definition Number of secured credit facilities. + References No definition available. + Details
Name: | udr_NumberOfSecuredCreditFacilities
Namespace Prefix: | udr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of Debt Instrument Price + References No definition available. + Details
Name: | udr_PercentageofDebtInstrumentPrice
Namespace Prefix: | udr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Secured Debt, Encumbers Real Estate Owned, Amount. + References No definition available. + Details
Name: | udr_SecuredDebtEncumbersRealEstateOwnedAmount
Namespace Prefix: | udr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Secured Debt, Encumbers Real Estate Owned, Percent. + References No definition available. + Details
Name: | udr_SecuredDebtEncumbersRealEstateOwnedPercent
Namespace Prefix: | udr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Secured debt including debt on real estate held for sale. + References No definition available. + Details
Name: | udr_SecuredDebtIncludingDebtOnRealEstateHeldForSale
Namespace Prefix: | udr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition Secured Debt, Unencumbered Real Estate Owned, Amount. + References No definition available. + Details
Name: | udr_SecuredDebtUnencumberedRealEstateOwnedAmount
Namespace Prefix: | udr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Secured Debt, Unencumbered Real Estate Owned, Percent. + References No definition available. + Details
Name: | udr_SecuredDebtUnencumberedRealEstateOwnedPercent
Namespace Prefix: | udr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399 Reference 2: 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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 8 -Article 5 + Details
Name: | us-gaap_AmortizationOfDebtDiscountPremium
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The average effective interest rate during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateDuringPeriod
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition When presenting a range of interest rates, the highest effective rate for funds borrowed under the debt agreement as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateEffectivePercentageRateRangeMaximum
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition When presenting a range of interest rates, the lowest effective rate for funds borrowed under the debt agreement as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateEffectivePercentageRateRangeMinimum
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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

X
- Definition Latest date the outstanding debt instruments are required to be repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentMaturityDateRangeEnd1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Earliest date the outstanding debt instruments are required to be repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentMaturityDateRangeStart1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400 + Details
Name: | us-gaap_DebtInstrumentUnamortizedDiscount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Including the current and noncurrent portions, carrying value at the balance sheet date of a financial instrument used to receive debt funding on a regular basis with original maturities ranging from 5-10 years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16(a)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 22 -Article 5 + Details
Name: | us-gaap_MediumTermNotes
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant