10-K Filing

UDR, INC. CIK: 74208 FY 2017

Filing Information

Form Type	10-K
Accession Number	`0000074208-18-000024`
Period End Date	20171231
Filing Date	20180220
Fiscal Year	2017
Fiscal Period	FY
XBRL Instance	c208-20171231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 78 Income Statement 146 Cash Flow Statement 125 Stockholders Equity 42 Comprehensive Income 21

Balance Sheet 78 line items

Line Item	Tag	Value	Unit	Period
Real estate under development accumulated depreciation	`RealEstateUnderDevelopmentAccumulatedDepreciation`	$3.85M	USD	Point-in-time
Real estate held for disposition accumulated depreciation	`AccumulatedDepreciationofRealEstateHeldforSale`	$553.00K	USD	Point-in-time
Real estate held for investment	`RealEstateInvestmentPropertyAtCost`	$9.58B	USD	Point-in-time
Real estate held for investment	`RealEstateInvestmentPropertyAtCost`	$9.27B	USD	Point-in-time
Less: accumulated depreciation	`RealEstateInvestmentPropertyAccumulatedDepreciation`	$3.33B	USD	Point-in-time
Less: accumulated depreciation	`RealEstateInvestmentPropertyAccumulatedDepreciation`	$2.92B	USD	Point-in-time
Preferred stock, no par value	`PreferredStockNoParValue`	-	USD	Point-in-time
Real estate held for investment, net	`RealEstateheldforInvestmentNetexcludingrealestateunderdevelopmentorheldfordisposition`	$6.35B	USD	Point-in-time
Real estate held for investment, net	`RealEstateheldforInvestmentNetexcludingrealestateunderdevelopmentorheldfordisposition`	$6.26B	USD	Point-in-time
Preferred stock, no par value	`PreferredStockNoParValue`	-	USD	Point-in-time
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	50.00M	shares	Point-in-time
Real estate under development (net of accumulated depreciation of $3,854 and $0, respectively)	`DevelopmentInProcess`	$588.64M	USD	Point-in-time
Real estate under development (net of accumulated depreciation of $3,854 and $0, respectively)	`DevelopmentInProcess`	$342.28M	USD	Point-in-time
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	50.00M	shares	Point-in-time
Real estate held for disposition (net of accumulated depreciation of $0 and $553, respectively)	`RealEstateHeldForSaleNetofDepreciation`	$1.07M	USD	Point-in-time
Total real estate owned, net of accumulated depreciation	`RealEstateInvestmentPropertyNet`	$6.69B	USD	Point-in-time
Total real estate owned, net of accumulated depreciation	`RealEstateInvestmentPropertyNet`	$6.85B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$6.74M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$2.04M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$15.22M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$2.11M	USD	Point-in-time
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$19.79M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$19.99M	USD	Point-in-time
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	350.00M	shares	Point-in-time
Notes receivable, net	`NotesReceivableNet`	$19.47M	USD	Point-in-time
Notes receivable, net	`NotesReceivableNet`	$19.79M	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	350.00M	shares	Point-in-time
Investment in and advances to unconsolidated joint ventures, net	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesFairValueDisclosure`	$827.02M	USD	Point-in-time
Investment in and advances to unconsolidated joint ventures, net	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesFairValueDisclosure`	$720.83M	USD	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	267.82M	shares	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	267.26M	shares	Point-in-time
Other assets	`OtherAssets`	$124.10M	USD	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	267.82M	shares	Point-in-time
Other assets	`OtherAssets`	$118.53M	USD	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	267.26M	shares	Point-in-time
Total assets	`Assets`	$7.68B	USD	Point-in-time
Total assets	`Assets`	$7.73B	USD	Point-in-time
Secured debt, net	`SecuredDebt`	$1.13B	USD	Point-in-time
Secured debt, net	`SecuredDebt`	$803.27M	USD	Point-in-time
Unsecured debt, net	`UnsecuredDebt`	$2.87B	USD	Point-in-time
Unsecured debt, net	`UnsecuredDebt`	$2.27B	USD	Point-in-time
Real estate taxes payable	`AccrualForTaxesOtherThanIncomeTaxesCurrentAndNoncurrent`	$18.35M	USD	Point-in-time
Real estate taxes payable	`AccrualForTaxesOtherThanIncomeTaxesCurrentAndNoncurrent`	$17.39M	USD	Point-in-time
Accrued interest payable	`InterestPayableCurrentAndNoncurrent`	$33.43M	USD	Point-in-time
Accrued interest payable	`InterestPayableCurrentAndNoncurrent`	$29.26M	USD	Point-in-time
Security deposits and prepaid rent	`AdvanceRent`	$34.24M	USD	Point-in-time
Security deposits and prepaid rent	`AdvanceRent`	$31.92M	USD	Point-in-time
Distributions payable	`DividendsPayableCurrentAndNoncurrent`	$91.45M	USD	Point-in-time
Distributions payable	`DividendsPayableCurrentAndNoncurrent`	$80.37M	USD	Point-in-time
Distributions payable	`DividendsPayableCurrentAndNoncurrent`	$86.94M	USD	Point-in-time
Accounts payable, accrued expenses, and other liabilities	`AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent`	$102.96M	USD	Point-in-time
Accounts payable, accrued expenses, and other liabilities	`AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent`	$103.83M	USD	Point-in-time
Total liabilities	`Liabilities`	$3.67B	USD	Point-in-time
Total liabilities	`Liabilities`	$3.95B	USD	Point-in-time
Commitments and contingencies (Note 14)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Note 14)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Redeemable noncontrolling interests in the Operating Partnership and DownREIT Partnership	`RedeemableNoncontrollingInterestEquityCommonCarryingAmount`	$909.48M	USD	Point-in-time
Redeemable noncontrolling interests in the Operating Partnership and DownREIT Partnership	`RedeemableNoncontrollingInterestEquityCommonCarryingAmount`	$948.14M	USD	Point-in-time
Common stock, $0.01 par value; 350,000,000 shares authorized: 267,822,069 and 267,259,469 shares issued and outstanding at December 31, 2017 and December 31, 2016, respectively	`CommonStockValue`	$2.68M	USD	Point-in-time
Common stock, $0.01 par value; 350,000,000 shares authorized: 267,822,069 and 267,259,469 shares issued and outstanding at December 31, 2017 and December 31, 2016, respectively	`CommonStockValue`	$2.67M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$4.65B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$4.64B	USD	Point-in-time
Distributions in excess of net income	`AccumulatedDistributionsInExcessOfNetIncome`	$1.59B	USD	Point-in-time
Distributions in excess of net income	`AccumulatedDistributionsInExcessOfNetIncome`	$1.87B	USD	Point-in-time
Accumulated other comprehensive income/(loss), net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-5.61M	USD	Point-in-time
Accumulated other comprehensive income/(loss), net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-2.68M	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$3.09B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$2.83B	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$9.56M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$3.86M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.90B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.84B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.74B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.10B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$7.73B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$7.68B	USD	Point-in-time

Income Statement 146 line items

Line Item	Tag	Value	Unit	Period
Rental income	`OperatingLeasesIncomeStatementMinimumLeaseRevenue`	$240.08M	USD	1 Quarter
Rental income	`OperatingLeasesIncomeStatementMinimumLeaseRevenue`	$248.26M	USD	1 Quarter
Rental income	`OperatingLeasesIncomeStatementMinimumLeaseRevenue`	$250.12M	USD	1 Quarter
Rental income	`OperatingLeasesIncomeStatementMinimumLeaseRevenue`	$984.31M	USD	Annual
Rental income	`OperatingLeasesIncomeStatementMinimumLeaseRevenue`	$871.93M	USD	Annual
Rental income	`OperatingLeasesIncomeStatementMinimumLeaseRevenue`	$236.17M	USD	1 Quarter
Rental income	`OperatingLeasesIncomeStatementMinimumLeaseRevenue`	$244.66M	USD	1 Quarter
Rental income	`OperatingLeasesIncomeStatementMinimumLeaseRevenue`	$948.46M	USD	Annual
Rental income	`OperatingLeasesIncomeStatementMinimumLeaseRevenue`	$241.27M	USD	1 Quarter
Rental income	`OperatingLeasesIncomeStatementMinimumLeaseRevenue`	$231.96M	USD	1 Quarter
Rental income	`OperatingLeasesIncomeStatementMinimumLeaseRevenue`	$240.25M	USD	1 Quarter
Joint venture management and other fees	`JointVentureManagmentAndOtherFees`	$11.40M	USD	Annual
Joint venture management and other fees	`JointVentureManagmentAndOtherFees`	$11.48M	USD	Annual
Joint venture management and other fees	`JointVentureManagmentAndOtherFees`	$22.71M	USD	Annual
Total revenues	`RealEstateRevenueNet`	$894.64M	USD	Annual
Total revenues	`RealEstateRevenueNet`	$959.86M	USD	Annual
Total revenues	`RealEstateRevenueNet`	$995.79M	USD	Annual
Property operating and maintenance	`DirectCostsOfLeasedAndRentedPropertyOrEquipment`	$155.10M	USD	Annual
Property operating and maintenance	`DirectCostsOfLeasedAndRentedPropertyOrEquipment`	$164.66M	USD	Annual
Property operating and maintenance	`DirectCostsOfLeasedAndRentedPropertyOrEquipment`	$159.95M	USD	Annual
Real estate taxes and insurance	`RealEstateTaxesAndInsurance`	$121.15M	USD	Annual
Real estate taxes and insurance	`RealEstateTaxesAndInsurance`	$102.96M	USD	Annual
Real estate taxes and insurance	`RealEstateTaxesAndInsurance`	$115.43M	USD	Annual
Property management	`OwnedPropertyManagementCosts`	$26.08M	USD	Annual
Property management	`OwnedPropertyManagementCosts`	$23.98M	USD	Annual
Property management	`OwnedPropertyManagementCosts`	$27.07M	USD	Annual
Other operating expenses	`OtherCostAndExpenseOperating`	$9.06M	USD	Annual
Other operating expenses	`OtherCostAndExpenseOperating`	$7.65M	USD	Annual
Other operating expenses	`OtherCostAndExpenseOperating`	$9.71M	USD	Annual
Real estate depreciation and amortization	`DepreciationNonproduction`	$430.05M	USD	Annual
Real estate depreciation and amortization	`DepreciationNonproduction`	$419.62M	USD	Annual
Real estate depreciation and amortization	`DepreciationNonproduction`	$374.60M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$59.69M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$48.57M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$49.76M	USD	Annual
Casualty-related charges/(recoveries), net	`CasualtyRelatedRecoveriesChargesnet`	$2.33M	USD	Annual
Casualty-related charges/(recoveries), net	`CasualtyRelatedRecoveriesChargesnet`	$4.33M	USD	Annual
Casualty-related charges/(recoveries), net	`CasualtyRelatedRecoveriesChargesnet`	$732.00K	USD	Annual
Other depreciation and amortization	`OtherDepreciationAndAmortization`	$6.68M	USD	Annual
Other depreciation and amortization	`OtherDepreciationAndAmortization`	$6.41M	USD	Annual
Other depreciation and amortization	`OtherDepreciationAndAmortization`	$6.02M	USD	Annual
Total operating expenses	`CostsAndExpenses`	$785.24M	USD	Annual
Total operating expenses	`CostsAndExpenses`	$735.05M	USD	Annual
Total operating expenses	`CostsAndExpenses`	$811.30M	USD	Annual
Operating income	`OperatingIncomeLoss`	$184.49M	USD	Annual
Operating income	`OperatingIncomeLoss`	$174.62M	USD	Annual
Operating income	`OperatingIncomeLoss`	$159.59M	USD	Annual
Income/(loss) from unconsolidated entities	`IncomeLossFromEquityMethodInvestments`	$52.23M	USD	Annual
Income/(loss) from unconsolidated entities	`IncomeLossFromEquityMethodInvestments`	$31.26M	USD	Annual
Income/(loss) from unconsolidated entities	`IncomeLossFromEquityMethodInvestments`	$62.33M	USD	Annual
Interest expense	`InterestExpenseDebt`	$121.88M	USD	Annual
Interest expense	`InterestExpenseDebt`	$123.03M	USD	Annual
Interest expense	`InterestExpenseDebt`	$128.71M	USD	Annual
Interest income and other income/(expense), net	`OtherNonoperatingIncomeExpense`	$1.93M	USD	Annual
Interest income and other income/(expense), net	`OtherNonoperatingIncomeExpense`	$1.97M	USD	Annual
Interest income and other income/(expense), net	`OtherNonoperatingIncomeExpense`	$1.55M	USD	Annual
Income/(loss) before income taxes and gain/(loss) on sale of real estate owned	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$105.75M	USD	Annual
Income/(loss) before income taxes and gain/(loss) on sale of real estate owned	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$101.60M	USD	Annual
Income/(loss) before income taxes and gain/(loss) on sale of real estate owned	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$89.01M	USD	Annual
Tax (provision)/benefit, net	`IncomeTaxExpenseBenefit`	$-3.77M	USD	Annual
Tax (provision)/benefit, net	`IncomeTaxExpenseBenefit`	$-240.00K	USD	Annual
Tax (provision)/benefit, net	`IncomeTaxExpenseBenefit`	$-3.89M	USD	Annual
Income/(loss) from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$34.35M	USD	1 Quarter
Income/(loss) from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$29.47M	USD	1 Quarter
Income/(loss) from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$8.53M	USD	1 Quarter
Income/(loss) from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$17.57M	USD	1 Quarter
Income/(loss) from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$105.48M	USD	Annual
Income/(loss) from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$109.53M	USD	Annual
Income/(loss) from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$89.25M	USD	Annual
Income/(loss) from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$12.25M	USD	1 Quarter
Income/(loss) from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$26.26M	USD	1 Quarter
Income/(loss) from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$11.06M	USD	1 Quarter
Income/(loss) from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$59.28M	USD	1 Quarter
Gain/(loss) on sale of real estate owned, net of tax	`GainLossOnSaleOfPropertiesNetOfApplicableIncomeTaxes`	$251.68M	USD	Annual
Gain/(loss) on sale of real estate owned, net of tax	`GainLossOnSaleOfPropertiesNetOfApplicableIncomeTaxes`	$210.85M	USD	Annual
Gain/(loss) on sale of real estate owned, net of tax	`GainLossOnSaleOfPropertiesNetOfApplicableIncomeTaxes`	$43.40M	USD	Annual
Net income/(loss)	`ProfitLoss`	$357.16M	USD	Annual
Net income/(loss)	`ProfitLoss`	$132.66M	USD	Annual
Net income/(loss)	`ProfitLoss`	$320.38M	USD	Annual
Net (income)/loss attributable to redeemable noncontrolling interests in the Operating Partnership and DownREIT Partnership	`NetIncomeLossAttributableToRedeemableNoncontrollingInterest`	$10.93M	USD	Annual
Net (income)/loss attributable to redeemable noncontrolling interests in the Operating Partnership and DownREIT Partnership	`NetIncomeLossAttributableToRedeemableNoncontrollingInterest`	$16.77M	USD	Annual
Net (income)/loss attributable to redeemable noncontrolling interests in the Operating Partnership and DownREIT Partnership	`NetIncomeLossAttributableToRedeemableNoncontrollingInterest`	$27.28M	USD	Annual
Net (income)/loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$164.00K	USD	Annual
Net (income)/loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$3.00K	USD	Annual
Net (income)/loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$380.00K	USD	Annual
Net income/(loss) attributable to UDR, Inc.	`NetIncomeLoss`	$340.38M	USD	Annual
Net income/(loss) attributable to UDR, Inc.	`NetIncomeLoss`	$121.56M	USD	Annual
Net income/(loss) attributable to UDR, Inc.	`NetIncomeLoss`	$292.72M	USD	Annual
Distributions to preferred stockholders Series E (Convertible)	`DividendsPreferredStock`	$3.72M	USD	Annual
Distributions to preferred stockholders Series E (Convertible)	`DividendsPreferredStock`	$3.71M	USD	Annual
Distributions to preferred stockholders Series E (Convertible)	`DividendsPreferredStock`	$3.72M	USD	Annual
Net income/(loss) attributable to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$26.03M	USD	1 Quarter
Net income/(loss) attributable to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$15.26M	USD	1 Quarter
Net income/(loss) attributable to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$9.23M	USD	1 Quarter
Net income/(loss) attributable to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$117.85M	USD	Annual
Net income/(loss) attributable to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$336.66M	USD	Annual
Net income/(loss) attributable to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$17.02M	USD	1 Quarter
Net income/(loss) attributable to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$289.00M	USD	Annual
Net income/(loss) attributable to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$236.69M	USD	1 Quarter
Net income/(loss) attributable to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$25.04M	USD	1 Quarter
Net income/(loss) attributable to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$68.36M	USD	1 Quarter
Net income/(loss) attributable to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$9.46M	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.09	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.89	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.06	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.26	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.44	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.03	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.09	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.06	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.30	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.10	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.04	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.04	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.88	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.06	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.09	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.08	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.25	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.03	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.10	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.44	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.06	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.29	USD	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	266,498.00	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	265.39M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	258.67M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	267.02M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	267,270.00	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	262,456.00	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	266,972.00	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	266,301.00	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	267,056.00	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	266,790.00	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	266,268.00	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	267.31M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	271,551.00	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	269,221.00	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	263.75M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	264,285.00	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	268.83M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	268,174.00	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	268,859.00	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	268,688.00	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	268,305.00	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	269,062.00	shares	1 Quarter

Cash Flow Statement 125 line items

Line Item	Tag	Value	Unit	Period
Net income/(loss)	`ProfitLoss`	$357.16M	USD	Annual
Conversion of OP Units into common shares	`ConversionOfStockSharesConverted1`	389,033.00	shares	Annual
Net income/(loss)	`ProfitLoss`	$132.66M	USD	Annual
Net income/(loss)	`ProfitLoss`	$320.38M	USD	Annual
Conversion of OP Units into common shares	`ConversionOfStockSharesConverted1`	260,292.00	shares	Annual
Conversion of OP Units into common shares	`ConversionOfStockSharesConverted1`	112,174.00	shares	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$436.46M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$381.28M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$425.64M	USD	Annual
(Gain)/loss on sale of real estate owned, net of tax	`GainLossOnSaleOfPropertiesNetOfApplicableIncomeTaxes`	$251.68M	USD	Annual
(Gain)/loss on sale of real estate owned, net of tax	`GainLossOnSaleOfPropertiesNetOfApplicableIncomeTaxes`	$210.85M	USD	Annual
(Gain)/loss on sale of real estate owned, net of tax	`GainLossOnSaleOfPropertiesNetOfApplicableIncomeTaxes`	$43.40M	USD	Annual
(Income)/loss from unconsolidated entities	`IncomeLossFromEquityMethodInvestments`	$52.23M	USD	Annual
(Income)/loss from unconsolidated entities	`IncomeLossFromEquityMethodInvestments`	$31.26M	USD	Annual
(Income)/loss from unconsolidated entities	`IncomeLossFromEquityMethodInvestments`	$62.33M	USD	Annual
Return on investment in unconsolidated joint ventures	`ReturnonInvestmentinEquityMethodinvestments`	$4.42M	USD	Annual
Return on investment in unconsolidated joint ventures	`ReturnonInvestmentinEquityMethodinvestments`	$27.01M	USD	Annual
Return on investment in unconsolidated joint ventures	`ReturnonInvestmentinEquityMethodinvestments`	$57.58M	USD	Annual
Amortization of share-based compensation	`ShareBasedCompensation`	$12.86M	USD	Annual
Amortization of share-based compensation	`ShareBasedCompensation`	$18.02M	USD	Annual
Amortization of share-based compensation	`ShareBasedCompensation`	$13.40M	USD	Annual
Other	`OtherOperatingActivitiesCashFlowStatement`	$24.14M	USD	Annual
Other	`OtherOperatingActivitiesCashFlowStatement`	$20.47M	USD	Annual
Other	`OtherOperatingActivitiesCashFlowStatement`	$3.41M	USD	Annual
(Increase)/decrease in operating assets	`IncreaseDecreaseInOperatingAssets`	$8.77M	USD	Annual
(Increase)/decrease in operating assets	`IncreaseDecreaseInOperatingAssets`	$4.65M	USD	Annual
(Increase)/decrease in operating assets	`IncreaseDecreaseInOperatingAssets`	$29.04M	USD	Annual
Increase/(decrease) in operating liabilities	`IncreaseDecreaseInOperatingLiabilities`	$-12.08M	USD	Annual
Increase/(decrease) in operating liabilities	`IncreaseDecreaseInOperatingLiabilities`	$-4.28M	USD	Annual
Increase/(decrease) in operating liabilities	`IncreaseDecreaseInOperatingLiabilities`	$-9.59M	USD	Annual
Net cash provided by/(used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$536.93M	USD	Annual
Net cash provided by/(used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$519.15M	USD	Annual
Net cash provided by/(used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$458.63M	USD	Annual
Acquisition of real estate assets	`PaymentsToAcquireRealEstate`	$163.01M	USD	Annual
Acquisition of real estate assets	`PaymentsToAcquireRealEstate`	$96.79M	USD	Annual
Acquisition of real estate assets	`PaymentsToAcquireRealEstate`	$244.77M	USD	Annual
Proceeds from sales of real estate investments, net	`ProceedsFromSaleOfRealEstateHeldforinvestment`	$387.65M	USD	Annual
Proceeds from sales of real estate investments, net	`ProceedsFromSaleOfRealEstateHeldforinvestment`	$302.35M	USD	Annual
Proceeds from sales of real estate investments, net	`ProceedsFromSaleOfRealEstateHeldforinvestment`	$71.23M	USD	Annual
Development of real estate assets	`PaymentsToDevelopRealEstateAssets`	$103.20M	USD	Annual
Development of real estate assets	`PaymentsToDevelopRealEstateAssets`	$178.28M	USD	Annual
Development of real estate assets	`PaymentsToDevelopRealEstateAssets`	$248.55M	USD	Annual
Capital expenditures and other major improvements real estate assets, net of escrow reimbursement	`PaymentsForCapitalImprovements`	$124.76M	USD	Annual
Capital expenditures and other major improvements real estate assets, net of escrow reimbursement	`PaymentsForCapitalImprovements`	$113.40M	USD	Annual
Capital expenditures and other major improvements real estate assets, net of escrow reimbursement	`PaymentsForCapitalImprovements`	$91.85M	USD	Annual
Capital expenditures non-real estate assets	`PaymentsToAcquireProductiveAssets`	$1.38M	USD	Annual
Capital expenditures non-real estate assets	`PaymentsToAcquireProductiveAssets`	$4.44M	USD	Annual
Capital expenditures non-real estate assets	`PaymentsToAcquireProductiveAssets`	$4.05M	USD	Annual
Investment in unconsolidated joint ventures	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$217.64M	USD	Annual
Investment in unconsolidated joint ventures	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$40.16M	USD	Annual
Investment in unconsolidated joint ventures	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$123.84M	USD	Annual
Distributions received from unconsolidated joint ventures	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$32.28M	USD	Annual
Distributions received from unconsolidated joint ventures	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$116.33M	USD	Annual
Distributions received from unconsolidated joint ventures	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$66.12M	USD	Annual
Repayment/(issuance) of notes receivable, net	`PaymentsForProceedsFromLoansReceivable`	$3.00M	USD	Annual
Repayment/(issuance) of notes receivable, net	`PaymentsForProceedsFromLoansReceivable`	$-321.00K	USD	Annual
Repayment/(issuance) of notes receivable, net	`PaymentsForProceedsFromLoansReceivable`	$2.33M	USD	Annual
Net cash provided by/(used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-112.28M	USD	Annual
Net cash provided by/(used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-265.46M	USD	Annual
Net cash provided by/(used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-407.44M	USD	Annual
Payments on secured debt	`RepaymentsOfSecuredDebt`	$193.96M	USD	Annual
Payments on secured debt	`RepaymentsOfSecuredDebt`	$375.31M	USD	Annual
Payments on secured debt	`RepaymentsOfSecuredDebt`	$326.35M	USD	Annual
Proceeds from the issuance of secured debt	`ProceedsFromIssuanceOfSecuredDebt`	$127.60M	USD	Annual
Proceeds from the issuance of secured debt	`ProceedsFromIssuanceOfSecuredDebt`	$50.00M	USD	Annual
Payments on unsecured debt	`RepaymentsOfUnsecuredDebt`	$325.54M	USD	Annual
Payments on unsecured debt	`RepaymentsOfUnsecuredDebt`	$300.00M	USD	Annual
Payments on unsecured debt	`RepaymentsOfUnsecuredDebt`	$95.05M	USD	Annual
Proceeds from the issuance of unsecured debt	`ProceedsFromIssuanceOfUnsecuredDebt`	$898.10M	USD	Annual
Proceeds from the issuance of unsecured debt	`ProceedsFromIssuanceOfUnsecuredDebt`	$299.31M	USD	Annual
Proceeds from the issuance of unsecured debt	`ProceedsFromIssuanceOfUnsecuredDebt`	$300.00M	USD	Annual
Net proceeds/(repayment) of revolving bank debt	`ProceedsFromRepaymentsOfLinesOfCredit`	$-2.50M	USD	Annual
Net proceeds/(repayment) of revolving bank debt	`ProceedsFromRepaymentsOfLinesOfCredit`	$417.00K	USD	Annual
Net proceeds/(repayment) of revolving bank debt	`ProceedsFromRepaymentsOfLinesOfCredit`	$-128.65M	USD	Annual
Proceeds from the issuance of common shares through public offering, net	`ProceedsFromIssuanceOfCommonStock`	$210.01M	USD	Annual
Proceeds from the issuance of common shares through public offering, net	`ProceedsFromIssuanceOfCommonStock`	$173.21M	USD	Annual
Distributions paid to redeemable noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$10.65M	USD	Annual
Distributions paid to redeemable noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$29.69M	USD	Annual
Distributions paid to redeemable noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$31.09M	USD	Annual
Distributions paid to preferred stockholders	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$3.72M	USD	Annual
Distributions paid to preferred stockholders	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$3.72M	USD	Annual
Distributions paid to preferred stockholders	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$3.71M	USD	Annual
Distributions paid to common stockholders	`PaymentsOfDividendsCommonStock`	$308.92M	USD	Annual
Distributions paid to common stockholders	`PaymentsOfDividendsCommonStock`	$327.79M	USD	Annual
Distributions paid to common stockholders	`PaymentsOfDividendsCommonStock`	$283.17M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-19.03M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-11.15M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-21.36M	USD	Annual
Net cash provided by/(used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-201.65M	USD	Annual
Net cash provided by/(used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-429.28M	USD	Annual
Net cash provided by/(used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-111.78M	USD	Annual
Net increase/(decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-4.63M	USD	Annual
Net increase/(decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-8.48M	USD	Annual
Net increase/(decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-74.00K	USD	Annual
Cash and cash equivalents, beginning of year	`CashAndCashEquivalentsAtCarryingValue`	$6.74M	USD	Point-in-time
Cash and cash equivalents, beginning of year	`CashAndCashEquivalentsAtCarryingValue`	$2.04M	USD	Point-in-time
Cash and cash equivalents, beginning of year	`CashAndCashEquivalentsAtCarryingValue`	$15.22M	USD	Point-in-time
Cash and cash equivalents, beginning of year	`CashAndCashEquivalentsAtCarryingValue`	$2.11M	USD	Point-in-time
Cash and cash equivalents, end of year	`CashAndCashEquivalentsAtCarryingValue`	$6.74M	USD	Point-in-time
Cash and cash equivalents, end of year	`CashAndCashEquivalentsAtCarryingValue`	$2.04M	USD	Point-in-time
Cash and cash equivalents, end of year	`CashAndCashEquivalentsAtCarryingValue`	$15.22M	USD	Point-in-time
Cash and cash equivalents, end of year	`CashAndCashEquivalentsAtCarryingValue`	$2.11M	USD	Point-in-time
Interest paid during the period, net of amounts capitalized	`InterestPaidNet`	$124.64M	USD	Annual
Interest paid during the period, net of amounts capitalized	`InterestPaidNet`	$130.24M	USD	Annual
Interest paid during the period, net of amounts capitalized	`InterestPaidNet`	$126.35M	USD	Annual
Cash paid/(refunds received) for income taxes	`IncomeTaxesPaidNet`	$1.66M	USD	Annual
Cash paid/(refunds received) for income taxes	`IncomeTaxesPaidNet`	$693.00K	USD	Annual
Cash paid/(refunds received) for income taxes	`IncomeTaxesPaidNet`	$-1.01M	USD	Annual
Transfer of investment in and advances to unconsolidated joint ventures to real estate owned	`TransferToOtherRealEstate`	$80.58M	USD	Annual
Transfer of investment in and advances to unconsolidated joint ventures to real estate owned	`TransferToOtherRealEstate`	$140.55M	USD	Annual
Secured debt assumed in the consolidation of unconsolidated joint ventures	`NoncashOrPartNoncashAcquisitionDebtAssumed1`	$75.80M	USD	Annual
Fair value adjustment of secured debt assumed in the consolidation of unconsolidated joint ventures	`NoncashorPartNoncashAcquisitionFairValueAdjustmentonDebtAssumed`	$4.23M	USD	Annual
Acquisition of communities in exchange for DownREIT units and assumption of debt	`NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1`	$660.83M	USD	Annual
Acquisition of real estate	`NoncashOrPartNoncashAcquisitionInvestmentsAcquired1`	$24.07M	USD	Annual
Fair value adjustment of debt acquired as part of acquisition of real estate	`FairValueAdjustmentOfDebtAssumedInBusinessAcquisition`	$1.36M	USD	Annual
Vesting of LTIP Units	`SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1`	$2.32M	USD	Annual
Development costs and capital expenditures incurred but not yet paid	`CapitalExpendituresIncurredButNotYetPaid`	$20.38M	USD	Annual
Development costs and capital expenditures incurred but not yet paid	`CapitalExpendituresIncurredButNotYetPaid`	$46.28M	USD	Annual
Development costs and capital expenditures incurred but not yet paid	`CapitalExpendituresIncurredButNotYetPaid`	$43.93M	USD	Annual
Conversion of Operating Partnership and DownREIT Partnership noncontrolling interests to common stock (389,033 shares in 2017; 260,292 shares in 2016; and 112,174 shares in 2015)	`StockIssuedDuringPeriodValueConversionOfUnits`	$3.82M	USD	Annual
Conversion of Operating Partnership and DownREIT Partnership noncontrolling interests to common stock (389,033 shares in 2017; 260,292 shares in 2016; and 112,174 shares in 2015)	`StockIssuedDuringPeriodValueConversionOfUnits`	$14.54M	USD	Annual
Conversion of Operating Partnership and DownREIT Partnership noncontrolling interests to common stock (389,033 shares in 2017; 260,292 shares in 2016; and 112,174 shares in 2015)	`StockIssuedDuringPeriodValueConversionOfUnits`	$9.47M	USD	Annual
Dividends declared but not yet paid	`DividendsPayableCurrentAndNoncurrent`	$91.45M	USD	Point-in-time
Dividends declared but not yet paid	`DividendsPayableCurrentAndNoncurrent`	$80.37M	USD	Point-in-time
Dividends declared but not yet paid	`DividendsPayableCurrentAndNoncurrent`	$86.94M	USD	Point-in-time

Stockholders Equity 42 line items

Line Item	Tag	Value	Unit	Period
Common distributions declared per share	`CommonStockDividendsPerShareDeclared`	$1.11	USD	Annual
Common distributions declared per share	`CommonStockDividendsPerShareDeclared`	$1.24	USD	Annual
Common distributions declared per share	`CommonStockDividendsPerShareDeclared`	$1.18	USD	Annual
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.90B	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.84B	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.74B	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.10B	USD	Point-in-time
Net income/(loss) attributable to UDR, Inc.	`NetIncomeLoss`	$340.38M	USD	Annual
Net income/(loss) attributable to UDR, Inc.	`NetIncomeLoss`	$121.56M	USD	Annual
Net income/(loss) attributable to UDR, Inc.	`NetIncomeLoss`	$292.72M	USD	Annual
Net income/(loss) attributable to noncontrolling interests	`NetIncomeLossAttributableToNonredeemableNoncontrollingInterest`	$-322.00K	USD	Annual
Net income/(loss) attributable to noncontrolling interests	`NetIncomeLossAttributableToNonredeemableNoncontrollingInterest`	$-147.00K	USD	Annual
Net income/(loss) attributable to noncontrolling interests	`NetIncomeLossAttributableToNonredeemableNoncontrollingInterest`	$-3.00K	USD	Annual
Disposition of noncontrolling interest of consolidated real estate	`MinorityInterestDecreaseFromRedemptions`	$1.16M	USD	Annual
Contribution of noncontrolling interest in consolidated real estate	`NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest`	$102.00K	USD	Annual
Contribution of noncontrolling interest in consolidated real estate	`NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest`	$125.00K	USD	Annual
Long Term Incentive Plan Unit grants/(vestings), net	`LongTermIncentivePlanOperatingPartnershipUnitGrantsValue`	$5.43M	USD	Annual
Long Term Incentive Plan Unit grants/(vestings), net	`LongTermIncentivePlanOperatingPartnershipUnitGrantsValue`	$3.73M	USD	Annual
Other comprehensive income/(loss)	`OtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$7.07M	USD	Annual
Other comprehensive income/(loss)	`OtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$2.93M	USD	Annual
Other comprehensive income/(loss)	`OtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-3.82M	USD	Annual
Issuance/(forfeitures) of common and restricted shares, net	`StockIssuedDuringPeriodValueShareBasedCompensation`	$10.19M	USD	Annual
Issuance/(forfeitures) of common and restricted shares, net	`StockIssuedDuringPeriodValueShareBasedCompensation`	$438.00K	USD	Annual
Issuance/(forfeitures) of common and restricted shares, net	`StockIssuedDuringPeriodValueShareBasedCompensation`	$4.97M	USD	Annual
Issuance of shares	`StockIssuedDuringPeriodValueNewIssues`	$173.21M	USD	Annual
Issuance of shares	`StockIssuedDuringPeriodValueNewIssues`	$210.01M	USD	Annual
Adjustment for conversion of noncontrolling interest of unitholders in the Operating Partnership and DownREIT Partnership	`StockIssuedDuringPeriodValueConversionOfUnits`	$3.82M	USD	Annual
Adjustment for conversion of noncontrolling interest of unitholders in the Operating Partnership and DownREIT Partnership	`StockIssuedDuringPeriodValueConversionOfUnits`	$14.54M	USD	Annual
Adjustment for conversion of noncontrolling interest of unitholders in the Operating Partnership and DownREIT Partnership	`StockIssuedDuringPeriodValueConversionOfUnits`	$9.47M	USD	Annual
Common stock distributions declared ($1.24, $1.18 and $1.11 per share for the years ended December 31, 2017, 2016 and 2015 respectively)	`DividendsCommonStockCash`	$331.97M	USD	Annual
Common stock distributions declared ($1.24, $1.18 and $1.11 per share for the years ended December 31, 2017, 2016 and 2015 respectively)	`DividendsCommonStockCash`	$289.50M	USD	Annual
Common stock distributions declared ($1.24, $1.18 and $1.11 per share for the years ended December 31, 2017, 2016 and 2015 respectively)	`DividendsCommonStockCash`	$315.10M	USD	Annual
Preferred stock distributions declared-Series E ($1.3288 per share for each of the years ended December 31, 2017, 2016 and 2015)	`PreferredStockDividendsIncomeStatementImpact`	$3.72M	USD	Annual
Preferred stock distributions declared-Series E ($1.3288 per share for each of the years ended December 31, 2017, 2016 and 2015)	`PreferredStockDividendsIncomeStatementImpact`	$3.72M	USD	Annual
Preferred stock distributions declared-Series E ($1.3288 per share for each of the years ended December 31, 2017, 2016 and 2015)	`PreferredStockDividendsIncomeStatementImpact`	$3.71M	USD	Annual
Adjustment to reflect redemption value of redeemable noncontrolling interests	`IncreaseDecreaseInCarryingAmountOfRedeemablePreferredStock`	$71.10M	USD	Annual
Adjustment to reflect redemption value of redeemable noncontrolling interests	`IncreaseDecreaseInCarryingAmountOfRedeemablePreferredStock`	$-24.73M	USD	Annual
Adjustment to reflect redemption value of redeemable noncontrolling interests	`IncreaseDecreaseInCarryingAmountOfRedeemablePreferredStock`	$102.70M	USD	Annual
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.90B	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.84B	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.74B	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.10B	USD	Point-in-time

Comprehensive Income 21 line items

Line Item	Tag	Value	Unit	Period
Net income/(loss)	`ProfitLoss`	$357.16M	USD	Annual
Net income/(loss)	`ProfitLoss`	$132.66M	USD	Annual
Net income/(loss)	`ProfitLoss`	$320.38M	USD	Annual
Unrealized holding gain/(loss)	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$3.51M	USD	Annual
Unrealized holding gain/(loss)	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$1.80M	USD	Annual
Unrealized holding gain/(loss)	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$-6.39M	USD	Annual
(Gain)/loss reclassified into earnings from other comprehensive income/(loss)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-3.66M	USD	Annual
(Gain)/loss reclassified into earnings from other comprehensive income/(loss)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-2.26M	USD	Annual
(Gain)/loss reclassified into earnings from other comprehensive income/(loss)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-1.41M	USD	Annual
Other comprehensive income/(loss), including portion attributable to noncontrolling interests	`OtherComprehensiveIncomeLossNetOfTax`	$-4.13M	USD	Annual
Other comprehensive income/(loss), including portion attributable to noncontrolling interests	`OtherComprehensiveIncomeLossNetOfTax`	$3.21M	USD	Annual
Other comprehensive income/(loss), including portion attributable to noncontrolling interests	`OtherComprehensiveIncomeLossNetOfTax`	$7.17M	USD	Annual
Comprehensive income/(loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$327.55M	USD	Annual
Comprehensive income/(loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$353.03M	USD	Annual
Comprehensive income/(loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$135.86M	USD	Annual
Comprehensive (income)/loss attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$11.38M	USD	Annual
Comprehensive (income)/loss attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$16.47M	USD	Annual
Comprehensive (income)/loss attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$27.76M	USD	Annual
Comprehensive income/(loss) attributable to UDR, Inc.	`ComprehensiveIncomeNetOfTax`	$299.79M	USD	Annual
Comprehensive income/(loss) attributable to UDR, Inc.	`ComprehensiveIncomeNetOfTax`	$336.56M	USD	Annual
Comprehensive income/(loss) attributable to UDR, Inc.	`ComprehensiveIncomeNetOfTax`	$124.49M	USD	Annual

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.