XML 155 R130.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Debt (UNITED DOMINION REALTY, L.P.) (Details 2) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Debt Instrument [Line Items] |  |
2013 | $ 244,111 |
2014 | 275,526 |
2015 | 511,065 |
2016 | 315,496 |
2017 | 620,664 |
Long-Term Debt, Maturities, Repayments of Principal in Year Six | 350,000 |
Long-Term Debt, Maturities, Repayments of Principal in Year Seven | 400,000 |
Long-Term Debt, Maturities, Repayment of Principal in Year Eight | 96,409 |
Long-Term Debt, Maturities, Repayment of Principal in Year Nine | 315,644 |
Long-Term Debt, Maturities, Repayments of Principal in Year Ten | 427,600 |
Long-Term Debt, Maturities, Repayments of Principal after Year Ten | 27,000 |
Long-term Debt, Gross | 3,583,515 |
Debt Instrument, Unamortized Discount (Premium), Net | (12,720) |
Total | 1,376,945 | $ 1,354,321
Secured Debt [Member] |  |
Debt Instrument [Line Items] |  |
2013 | 149,058 |
2014 | 275,526 |
2015 | 211,065 |
2016 | 315,496 |
2017 | 170,664 |
Long-Term Debt, Maturities, Repayments of Principal in Year Six | 0 |
Long-Term Debt, Maturities, Repayments of Principal in Year Seven | 0 |
Long-Term Debt, Maturities, Repayment of Principal in Year Eight | 96,409 |
Long-Term Debt, Maturities, Repayment of Principal in Year Nine | 0 |
Long-Term Debt, Maturities, Repayments of Principal in Year Ten | 127,600 |
Long-Term Debt, Maturities, Repayments of Principal after Year Ten | 27,000 |
Long-term Debt, Gross | 1,372,818 |
Debt Instrument, Unamortized Discount (Premium), Net | 4,127 |
Secured Debt [Member] | Fixed Rate Debt |  |
Debt Instrument [Line Items] |  |
2013 | 149,058 |
2014 | 179,189 |
2015 | 73,096 |
2016 | 247,796 |
2017 | 170,664 |
Long-Term Debt, Maturities, Repayments of Principal in Year Six | 0 |
Long-Term Debt, Maturities, Repayments of Principal in Year Seven | 0 |
Long-Term Debt, Maturities, Repayment of Principal in Year Eight | 0 |
Long-Term Debt, Maturities, Repayment of Principal in Year Nine | 0 |
Long-Term Debt, Maturities, Repayments of Principal in Year Ten | 127,600 |
Long-Term Debt, Maturities, Repayments of Principal after Year Ten | 0 |
Long-term Debt, Gross | 947,403 |
Debt Instrument, Unamortized Discount (Premium), Net | 5,398 |
Secured Debt [Member] | Variable Rate Debt |  |
Debt Instrument [Line Items] |  |
2013 | 0 |
2014 | 96,337 |
2015 | 137,969 |
2016 | 67,700 |
2017 | 0 |
Long-Term Debt, Maturities, Repayments of Principal in Year Six | 0 |
Long-Term Debt, Maturities, Repayments of Principal in Year Seven | 0 |
Long-Term Debt, Maturities, Repayment of Principal in Year Eight | 96,409 |
Long-Term Debt, Maturities, Repayment of Principal in Year Nine | 0 |
Long-Term Debt, Maturities, Repayments of Principal in Year Ten | 0 |
Long-Term Debt, Maturities, Repayments of Principal after Year Ten | 27,000 |
Long-term Debt, Gross | 425,415 |
Debt Instrument, Unamortized Discount (Premium), Net | (1,271) |
Unsecured Debt [Member] |  |
Debt Instrument [Line Items] |  |
2013 | 95,053 |
2014 | 0 |
2015 | 300,000 |
2016 | 0 |
2017 | 450,000 |
Long-Term Debt, Maturities, Repayments of Principal in Year Six | 350,000 |
Long-Term Debt, Maturities, Repayments of Principal in Year Seven | 400,000 |
Long-Term Debt, Maturities, Repayment of Principal in Year Eight | 0 |
Long-Term Debt, Maturities, Repayment of Principal in Year Nine | 315,644 |
Long-Term Debt, Maturities, Repayments of Principal in Year Ten | 300,000 |
Long-Term Debt, Maturities, Repayments of Principal after Year Ten | 0 |
Long-term Debt, Gross | 2,210,697 |
Debt Instrument, Unamortized Discount (Premium), Net | (16,847) |
United Dominion Reality L.P. |  |
Debt Instrument [Line Items] |  |
2013 | 30,517 |
2014 | 22,206 |
2015 | 145,199 |
2016 | 123,095 |
2017 | 62,836 |
Long-Term Debt, Maturities, Repayments of Principal in Year Six | 0 |
Long-Term Debt, Maturities, Repayments of Principal in Year Seven | 0 |
Long-Term Debt, Maturities, Repayment of Principal in Year Eight | 67,310 |
Long-Term Debt, Maturities, Repayment of Principal in Year Nine | 0 |
Long-Term Debt, Maturities, Repayments of Principal in Year Ten | 0 |
Long-Term Debt, Maturities, Repayments of Principal after Year Ten | 27,000 |
Long-term Debt, Gross | 478,163 |
Debt Instrument, Unamortized Discount (Premium), Net | (2,199) |
Total | 475,964 | $ 927,484
United Dominion Reality L.P. | Mortgages [Member] | Fixed Rate Debt |  |
Debt Instrument [Line Items] |  |
2013 | 30,132 |
2014 | 0 |
2015 | 0 |
2016 | 0 |
2017 | 0 |
Long-Term Debt, Maturities, Repayments of Principal in Year Six | 0 |
Long-Term Debt, Maturities, Repayments of Principal in Year Seven | 0 |
Long-Term Debt, Maturities, Repayment of Principal in Year Eight | 0 |
Long-Term Debt, Maturities, Repayment of Principal in Year Nine | 0 |
Long-Term Debt, Maturities, Repayments of Principal in Year Ten | 0 |
Long-Term Debt, Maturities, Repayments of Principal after Year Ten | 0 |
Total | 30,035 |
United Dominion Reality L.P. | Fannie Mae credit facilities | Fixed Rate Debt |  |
Debt Instrument [Line Items] |  |
2013 | 385 |
2014 | 15,640 |
2015 | 48,872 |
2016 | 123,095 |
2017 | 62,836 |
Long-Term Debt, Maturities, Repayments of Principal in Year Six | 0 |
Long-Term Debt, Maturities, Repayments of Principal in Year Seven | 0 |
Long-Term Debt, Maturities, Repayment of Principal in Year Eight | 0 |
Long-Term Debt, Maturities, Repayment of Principal in Year Nine | 0 |
Long-Term Debt, Maturities, Repayments of Principal in Year Ten | 0 |
Long-Term Debt, Maturities, Repayments of Principal after Year Ten | 0 |
Total | 249,298 |
United Dominion Reality L.P. | Fannie Mae credit facilities | Variable Rate Debt |  |
Debt Instrument [Line Items] |  |
2013 | 0 |
2014 | 6,566 |
2015 | 96,327 |
2016 | 0 |
2017 | 0 |
Long-Term Debt, Maturities, Repayments of Principal in Year Six | 0 |
Long-Term Debt, Maturities, Repayments of Principal in Year Seven | 0 |
Long-Term Debt, Maturities, Repayment of Principal in Year Eight | 67,310 |
Long-Term Debt, Maturities, Repayment of Principal in Year Nine | 0 |
Long-Term Debt, Maturities, Repayments of Principal in Year Ten | 0 |
Long-Term Debt, Maturities, Repayments of Principal after Year Ten | 0 |
Total | 169,724 |
United Dominion Reality L.P. | Secured Debt [Member] |  |
Debt Instrument [Line Items] |  |
Long-term Debt, Gross | 27,000 |
Debt Instrument, Unamortized Discount (Premium), Net | (93) |
United Dominion Reality L.P. | Secured Debt [Member] | Fixed Rate Debt |  |
Debt Instrument [Line Items] |  |
Long-term Debt, Gross | 30,132 |
Debt Instrument, Unamortized Discount (Premium), Net | (97) |
United Dominion Reality L.P. | Secured Debt [Member] | Variable Rate Debt |  |
Debt Instrument [Line Items] |  |
Long-term Debt, Gross | 250,828 |
Debt Instrument, Unamortized Discount (Premium), Net | (1,530) |
United Dominion Reality L.P. | Unsecured Debt [Member] |  |
Debt Instrument [Line Items] |  |
Long-term Debt, Gross | 170,203 |
Debt Instrument, Unamortized Discount (Premium), Net | (479) |
United Dominion Reality L.P. | Tax-exempt secured notes payable | Variable Rate Debt |  |
Debt Instrument [Line Items] |  |
2013 | 0 |
2014 | 0 |
2015 | 0 |
2016 | 0 |
2017 | 0 |
Long-Term Debt, Maturities, Repayments of Principal in Year Six | 0 |
Long-Term Debt, Maturities, Repayments of Principal in Year Seven | 0 |
Long-Term Debt, Maturities, Repayment of Principal in Year Eight | 0 |
Long-Term Debt, Maturities, Repayment of Principal in Year Nine | 0 |
Long-Term Debt, Maturities, Repayments of Principal in Year Ten | 0 |
Long-Term Debt, Maturities, Repayments of Principal after Year Ten | 27,000 |
Total | $ 26,907 |

X
- Definition Long-Term Debt, Maturities, Repayment of Principal in Year Eight + References No definition available. + Details
Name: | udr_LongTermDebtMaturitiesRepaymentofPrincipalinYearEight
Namespace Prefix: | udr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Long-Term Debt, Maturities, Repayment of Principal in Year Nine + References No definition available. + Details
Name: | udr_LongTermDebtMaturitiesRepaymentofPrincipalinYearNine
Namespace Prefix: | udr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Long-Term Debt, Maturities, Repayments of Principal after Year Ten + References No definition available. + Details
Name: | udr_LongTermDebtMaturitiesRepaymentsofPrincipalafterYearTen
Namespace Prefix: | udr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Long-Term Debt, Maturities, Repayments of Principal in Year Seven + References No definition available. + Details
Name: | udr_LongTermDebtMaturitiesRepaymentsofPrincipalinYearSeven
Namespace Prefix: | udr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Long-Term Debt, Maturities, Repayments of Principal in Year Six + References No definition available. + Details
Name: | udr_LongTermDebtMaturitiesRepaymentsofPrincipalinYearSix
Namespace Prefix: | udr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Long-Term Debt, Maturities, Repayments of Principal in Year Ten + References No definition available. + Details
Name: | udr_LongTermDebtMaturitiesRepaymentsofPrincipalinYearTen
Namespace Prefix: | udr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer. + 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 SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 + Details
Name: | us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of debt discount (net of debt premium) 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 4 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28567-108399 Reference 2: 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 3: 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 Reference 4: 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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28555-108399 + Details
Name: | us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
Name: | us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 + Details
Name: | us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
Name: | us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 + Details
Name: | us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 + Details
Name: | us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower. + References Reference 1: 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 2: 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) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 + Details
Name: | us-gaap_SecuredDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_SecuredDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=udr_FixedRateDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=udr_VariableRateDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_UnsecuredDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_MortgagesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_LineOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=udr_TaxExemptNotesPayableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |