XML 32 R76.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Unsecured Debt (Details) (USD $) In Thousands, unless otherwise specified | Jun. 30, 2012 | Jan. 10, 2012 | Dec. 31, 2011
--- | --- | --- | ---
Summary of unsecured debt |  |  |  |  |
Borrowings outstanding at end of period | $ 800,000 |  |  |  |
Senior Unsecured Notes | 1,902,707 |  |  | 1,605,817 |
Unsecured Debt, Total | 1,902,707 |  |  | 2,026,817 |
Unamortized discount | 19,500 |  |  | 24,100 |
Unsecured Revolving Credit Facility due October 2015 [Member] |  |  |  |  |
Summary of unsecured debt |  |  |  |  |
Borrowings outstanding at end of period | 0 | [1],[2] |  | 421,000 | [1],[2]
4.63% Medium-Term Notes due January 2022 [Member] |  |  |  |  |
Summary of unsecured debt |  |  |  |  |
Senior Unsecured Notes | 396,580 | [2],[3] |  | 0 | [2],[3]
Fixed interest rate | 4.625% |  | 4.625% |  |
Unamortized discount | 3,420 |  |  |  |
1.67% Term Notes due December 2016 [Member] |  |  |  |  |
Summary of unsecured debt |  |  |  |  |
Senior Unsecured Notes | 35,000 | [2],[4] |  | 100,000 | [2],[4]
Fixed interest rate | 1.67% |  |  | 1.67% |
2.68% Term Notes due December 2016 [Member] |  |  |  |  |
Summary of unsecured debt |  |  |  |  |
Senior Unsecured Notes | 65,000 | [2],[4] |  | 0 | [2],[4]
Fixed interest rate | 2.68% |  |  |  |
6.05% Medium-Term Notes due June 2013 [Member] |  |  |  |  |
Summary of unsecured debt |  |  |  |  |
Senior Unsecured Notes | 122,500 |  |  | 122,500 |
Fixed interest rate | 6.05% |  |  | 6.05% |
5.13% Medium-Term Notes due January 2014 [Member] |  |  |  |  |
Summary of unsecured debt |  |  |  |  |
Senior Unsecured Notes | 184,000 |  |  | 184,000 |
Fixed interest rate | 5.13% |  |  | 5.13% |
5.50% Medium-Term Notes due April 2014 [Member] |  |  |  |  |
Summary of unsecured debt |  |  |  |  |
Senior Unsecured Notes | 128,377 |  |  | 128,343 |
Fixed interest rate | 5.50% |  |  | 5.50% |
Unamortized discount | 123 |  |  | 157 |
5.25% Medium-Term Notes due January 2015 [Member] |  |  |  |  |
Summary of unsecured debt |  |  |  |  |
Senior Unsecured Notes | 324,848 |  |  | 324,785 |
Fixed interest rate | 5.25% |  |  | 5.25% |
Unamortized discount | 327 |  |  | 390 |
5.25% Medium-Term Notes due January 2016 [Member] |  |  |  |  |
Summary of unsecured debt |  |  |  |  |
Senior Unsecured Notes | 83,260 |  |  | 83,260 |
Fixed interest rate | 5.25% |  |  | 5.25% |
Three Point Four Eight Percent Term Notes Due January 2016 [Member] |  |  |  |  |
Summary of unsecured debt |  |  |  |  |
Fixed interest rate | 2.90% |  |  | 2.90% |
2.90% Term Notes due January 2016 [Member] |  |  |  |  |
Summary of unsecured debt |  |  |  |  |
Senior Unsecured Notes | 250,000 | [2] |  | 250,000 | [2]
8.50% Debentures due September 2024 [Member] |  |  |  |  |
Summary of unsecured debt |  |  |  |  |
Senior Unsecured Notes | 15,644 |  |  | 15,644 |
Fixed interest rate | 8.50% |  |  | 8.50% |
4.25% Medium-Term Notes due June 2018 [Member] |  |  |  |  |
Summary of unsecured debt |  |  |  |  |
Senior Unsecured Notes | 297,464 | [2] |  | 297,249 | [2]
Fixed interest rate | 4.25% |  |  | 4.25% |
Unamortized discount | 2,536 |  |  | 2,751 |
5.00% Medium-Term Notes due January 2012 [Member] |  |  |  |  |
Summary of unsecured debt |  |  |  |  |
Senior Unsecured Notes | 0 |  |  | 100,000 |
Fixed interest rate |  |  |  | 5.00% |
Others [Member] |  |  |  |  |
Summary of unsecured debt |  |  |  |  |
Senior Unsecured Notes | $ 34 |  |  | $ 36 |
[1] | The Company has a $900 million unsecured revolving credit facility. The unsecured credit facility has an initial term of four years and includes a one-year extension option. It contains an accordion feature that allows the Company to increase the facility to $1.35 billion. The credit facility carries an interest rate equal to LIBOR plus a spread of 122.5 basis points and a facility fee of 22.5 basis points.
[2] | The Operating Partnership is a guarantor at June 30, 2012 and December 31, 2011.
[3] | On January 10, 2012, the Company issued $400 million aggregate principal amount of 4.625% Medium Term Notes due January 2022. Interest is payable semiannually beginning in July 2012. The notes were priced at 99.100% of the principal amount plus accrued interest from January 10, 2012 to yield 4.739% to maturity. The notes are fully and unconditionally guaranteed by the Operating Partnership.
[4] | During the three months ended June 30, 2012, the Company entered into an interest rate swap agreement for a portion of the $100 million term notes, which carries a fixed interest rate of 2.68% at June 30, 2012.

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

X
- Definition Interest rate stated in the contractual 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
- 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 FASB Staff Position (FSP) -Number APB14-1 -Paragraph 31 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 21 -Paragraph 16, 20 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: 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 4: 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=6584090&loc=d3e28878-108400 + Details
Name: | us-gaap_DebtInstrumentUnamortizedDiscount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount borrowed under the credit facility 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 19, 22 -Article 5 + Details
Name: | us-gaap_LineOfCreditFacilityAmountOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 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 + Details
Name: | us-gaap_SeniorNotes
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 5 -Section 02 -Subsection 19, 20, 22 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 Reference 3: 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 4: 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 + Details
Name: | us-gaap_UnsecuredDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant