10-K Filing

UDR, INC. CIK: 74208 FY 2024

Filing Information

Form Type	10-K
Accession Number	`0000074208-25-000010`
Period End Date	20241231
Filing Date	20250218
Fiscal Year	2024
Fiscal Period	FY
XBRL Instance	udr-20241231x10k_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 172 Income Statement 174 Cash Flow Statement 260 Stockholders Equity 84 Comprehensive Income 42

Balance Sheet 172 line items

Line Item	Tag	Value	Unit	Period
Real estate under development accumulated depreciation	`RealEstateUnderDevelopmentAccumulatedDepreciation`	-	USD	Point-in-time
Real estate under development accumulated depreciation	`RealEstateUnderDevelopmentAccumulatedDepreciation`	-	USD	Point-in-time
Real estate under development accumulated depreciation	`RealEstateUnderDevelopmentAccumulatedDepreciation`	$184.00K	USD	Point-in-time
Real estate under development accumulated depreciation	`RealEstateUnderDevelopmentAccumulatedDepreciation`	$184.00K	USD	Point-in-time
Real estate held for investment	`RealEstateInvestmentPropertyAtCost`	$15.99B	USD	Point-in-time
Real estate held for investment	`RealEstateInvestmentPropertyAtCost`	$15.99B	USD	Point-in-time
Real estate held for investment	`RealEstateInvestmentPropertyAtCost`	$15.76B	USD	Point-in-time
Real estate held for investment	`RealEstateInvestmentPropertyAtCost`	$15.76B	USD	Point-in-time
Real estate held for disposition accumulated depreciation	`AccumulatedDepreciationOfRealEstateHeldForSale`	$64.11M	USD	Point-in-time
Real estate held for disposition accumulated depreciation	`AccumulatedDepreciationOfRealEstateHeldForSale`	$64.11M	USD	Point-in-time
Real estate held for disposition accumulated depreciation	`AccumulatedDepreciationOfRealEstateHeldForSale`	$24.96M	USD	Point-in-time
Real estate held for disposition accumulated depreciation	`AccumulatedDepreciationOfRealEstateHeldForSale`	$24.96M	USD	Point-in-time
Less: accumulated depreciation	`RealEstateInvestmentPropertyAccumulatedDepreciation`	$6.84B	USD	Point-in-time
Less: accumulated depreciation	`RealEstateInvestmentPropertyAccumulatedDepreciation`	$6.84B	USD	Point-in-time
Less: accumulated depreciation	`RealEstateInvestmentPropertyAccumulatedDepreciation`	$6.24B	USD	Point-in-time
Less: accumulated depreciation	`RealEstateInvestmentPropertyAccumulatedDepreciation`	$6.24B	USD	Point-in-time
Real estate held for investment, net	`RealEstateHeldForInvestmentNetExcludingRealEstateUnderDevelopmentOrHeldForDisposition`	$9.51B	USD	Point-in-time
Real estate held for investment, net	`RealEstateHeldForInvestmentNetExcludingRealEstateUnderDevelopmentOrHeldForDisposition`	$9.51B	USD	Point-in-time
Preferred stock, no par value	`PreferredStockNoParValue`	-	USD	Point-in-time
Preferred stock, no par value	`PreferredStockNoParValue`	-	USD	Point-in-time
Real estate held for investment, net	`RealEstateHeldForInvestmentNetExcludingRealEstateUnderDevelopmentOrHeldForDisposition`	$9.16B	USD	Point-in-time
Real estate held for investment, net	`RealEstateHeldForInvestmentNetExcludingRealEstateUnderDevelopmentOrHeldForDisposition`	$9.16B	USD	Point-in-time
Preferred stock, no par value	`PreferredStockNoParValue`	-	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
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	50.00M	shares	Point-in-time
Real estate under development (net of accumulated depreciation of $0 and $184, respectively)	`DevelopmentInProcess`	$160.22M	USD	Point-in-time
Real estate under development (net of accumulated depreciation of $0 and $184, respectively)	`DevelopmentInProcess`	$160.22M	USD	Point-in-time
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	50.00M	shares	Point-in-time
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	50.00M	shares	Point-in-time
Real estate held for disposition (net of accumulated depreciation of $64,106 and $24,960, respectively)	`RealEstateHeldForSaleNetofDepreciation`	$81.04M	USD	Point-in-time
Real estate held for disposition (net of accumulated depreciation of $64,106 and $24,960, respectively)	`RealEstateHeldForSaleNetofDepreciation`	$81.04M	USD	Point-in-time
Real estate held for disposition (net of accumulated depreciation of $64,106 and $24,960, respectively)	`RealEstateHeldForSaleNetofDepreciation`	$154.46M	USD	Point-in-time
Real estate held for disposition (net of accumulated depreciation of $64,106 and $24,960, respectively)	`RealEstateHeldForSaleNetofDepreciation`	$154.46M	USD	Point-in-time
Total real estate owned, net of accumulated depreciation	`RealEstateInvestmentPropertyNet`	$9.76B	USD	Point-in-time
Total real estate owned, net of accumulated depreciation	`RealEstateInvestmentPropertyNet`	$9.76B	USD	Point-in-time
Total real estate owned, net of accumulated depreciation	`RealEstateInvestmentPropertyNet`	$9.31B	USD	Point-in-time
Total real estate owned, net of accumulated depreciation	`RealEstateInvestmentPropertyNet`	$9.31B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$2.92M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$2.92M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.33M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.33M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.19M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.19M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$967.00K	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$967.00K	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$29.00M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$29.00M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$31.94M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$31.94M	USD	Point-in-time
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$34.10M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$34.10M	USD	Point-in-time
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$27.45M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$27.45M	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	450.00M	shares	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	450.00M	shares	Point-in-time
Notes receivable, net	`NotesReceivableNet`	$247.85M	USD	Point-in-time
Notes receivable, net	`NotesReceivableNet`	$247.85M	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	450.00M	shares	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	450.00M	shares	Point-in-time
Notes receivable, net	`NotesReceivableNet`	$228.82M	USD	Point-in-time
Notes receivable, net	`NotesReceivableNet`	$228.82M	USD	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	329.01M	shares	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	329.01M	shares	Point-in-time
Investment in and advances to unconsolidated joint ventures, net	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesFairValueDisclosure`	$952.93M	USD	Point-in-time
Investment in and advances to unconsolidated joint ventures, net	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesFairValueDisclosure`	$952.93M	USD	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	330.86M	shares	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	330.86M	shares	Point-in-time
Investment in and advances to unconsolidated joint ventures, net	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesFairValueDisclosure`	$917.48M	USD	Point-in-time
Investment in and advances to unconsolidated joint ventures, net	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesFairValueDisclosure`	$917.48M	USD	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$187.00M	USD	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$187.00M	USD	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	330.86M	shares	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	330.86M	shares	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	329.01M	shares	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	329.01M	shares	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$190.62M	USD	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$190.62M	USD	Point-in-time
Other assets	`OtherAssets`	$209.97M	USD	Point-in-time
Other assets	`OtherAssets`	$209.97M	USD	Point-in-time
Other assets	`OtherAssets`	$197.49M	USD	Point-in-time
Other assets	`OtherAssets`	$197.49M	USD	Point-in-time
Total assets	`Assets`	$10.90B	USD	Point-in-time
Total assets	`Assets`	$10.90B	USD	Point-in-time
Total assets	`Assets`	$11.37B	USD	Point-in-time
Total assets	`Assets`	$11.37B	USD	Point-in-time
Secured debt, net	`SecuredDebt`	$1.14B	USD	Point-in-time
Secured debt, net	`SecuredDebt`	$1.14B	USD	Point-in-time
Secured debt, net	`SecuredDebt`	$1.28B	USD	Point-in-time
Secured debt, net	`SecuredDebt`	$1.28B	USD	Point-in-time
Unsecured debt, net	`UnsecuredDebt`	$4.69B	USD	Point-in-time
Unsecured debt, net	`UnsecuredDebt`	$4.69B	USD	Point-in-time
Unsecured debt, net	`UnsecuredDebt`	$4.52B	USD	Point-in-time
Unsecured debt, net	`UnsecuredDebt`	$4.52B	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiability`	$185.84M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiability`	$185.84M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiability`	$182.28M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiability`	$182.28M	USD	Point-in-time
Real estate taxes payable	`AccrualForTaxesOtherThanIncomeTaxesCurrentAndNoncurrent`	$46.40M	USD	Point-in-time
Real estate taxes payable	`AccrualForTaxesOtherThanIncomeTaxesCurrentAndNoncurrent`	$46.40M	USD	Point-in-time
Real estate taxes payable	`AccrualForTaxesOtherThanIncomeTaxesCurrentAndNoncurrent`	$47.11M	USD	Point-in-time
Real estate taxes payable	`AccrualForTaxesOtherThanIncomeTaxesCurrentAndNoncurrent`	$47.11M	USD	Point-in-time
Accrued interest payable	`InterestPayableCurrentAndNoncurrent`	$52.63M	USD	Point-in-time
Accrued interest payable	`InterestPayableCurrentAndNoncurrent`	$52.63M	USD	Point-in-time
Accrued interest payable	`InterestPayableCurrentAndNoncurrent`	$47.71M	USD	Point-in-time
Accrued interest payable	`InterestPayableCurrentAndNoncurrent`	$47.71M	USD	Point-in-time
Security deposits and prepaid rent	`AdvanceRent`	$61.59M	USD	Point-in-time
Security deposits and prepaid rent	`AdvanceRent`	$61.59M	USD	Point-in-time
Security deposits and prepaid rent	`AdvanceRent`	$50.53M	USD	Point-in-time
Security deposits and prepaid rent	`AdvanceRent`	$50.53M	USD	Point-in-time
Distributions payable	`DividendsPayableCurrentAndNoncurrent`	$134.21M	USD	Point-in-time
Distributions payable	`DividendsPayableCurrentAndNoncurrent`	$134.21M	USD	Point-in-time
Distributions payable	`DividendsPayableCurrentAndNoncurrent`	$149.60M	USD	Point-in-time
Distributions payable	`DividendsPayableCurrentAndNoncurrent`	$149.60M	USD	Point-in-time
Distributions payable	`DividendsPayableCurrentAndNoncurrent`	$151.72M	USD	Point-in-time
Distributions payable	`DividendsPayableCurrentAndNoncurrent`	$151.72M	USD	Point-in-time
Accounts payable, accrued expenses, and other liabilities	`AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent`	$141.31M	USD	Point-in-time
Accounts payable, accrued expenses, and other liabilities	`AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent`	$141.31M	USD	Point-in-time
Accounts payable, accrued expenses, and other liabilities	`AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent`	$115.11M	USD	Point-in-time
Accounts payable, accrued expenses, and other liabilities	`AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent`	$115.11M	USD	Point-in-time
Total liabilities	`Liabilities`	$6.44B	USD	Point-in-time
Total liabilities	`Liabilities`	$6.44B	USD	Point-in-time
Total liabilities	`Liabilities`	$6.42B	USD	Point-in-time
Total liabilities	`Liabilities`	$6.42B	USD	Point-in-time
Commitments and contingencies (Note 15)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Note 15)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Note 15)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Note 15)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Redeemable noncontrolling interests in the Operating Partnership and DownREIT Partnership	`RedeemableNoncontrollingInterestEquityCommonCarryingAmount`	$961.09M	USD	Point-in-time
Redeemable noncontrolling interests in the Operating Partnership and DownREIT Partnership	`RedeemableNoncontrollingInterestEquityCommonCarryingAmount`	$961.09M	USD	Point-in-time
Redeemable noncontrolling interests in the Operating Partnership and DownREIT Partnership	`RedeemableNoncontrollingInterestEquityCommonCarryingAmount`	$1.02B	USD	Point-in-time
Redeemable noncontrolling interests in the Operating Partnership and DownREIT Partnership	`RedeemableNoncontrollingInterestEquityCommonCarryingAmount`	$1.02B	USD	Point-in-time
Common stock, $0.01 par value; 450,000,000 shares authorized at December 31, 2024 and December 31, 2023: 330,858,719 and 329,014,512 shares issued and outstanding at December 31, 2024 and December 31, 2023, respectively	`CommonStockValue`	$3.31M	USD	Point-in-time
Common stock, $0.01 par value; 450,000,000 shares authorized at December 31, 2024 and December 31, 2023: 330,858,719 and 329,014,512 shares issued and outstanding at December 31, 2024 and December 31, 2023, respectively	`CommonStockValue`	$3.31M	USD	Point-in-time
Common stock, $0.01 par value; 450,000,000 shares authorized at December 31, 2024 and December 31, 2023: 330,858,719 and 329,014,512 shares issued and outstanding at December 31, 2024 and December 31, 2023, respectively	`CommonStockValue`	$3.29M	USD	Point-in-time
Common stock, $0.01 par value; 450,000,000 shares authorized at December 31, 2024 and December 31, 2023: 330,858,719 and 329,014,512 shares issued and outstanding at December 31, 2024 and December 31, 2023, respectively	`CommonStockValue`	$3.29M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$7.49B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$7.49B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$7.57B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$7.57B	USD	Point-in-time
Distributions in excess of net income	`AccumulatedDistributionsInExcessOfNetIncome`	$3.55B	USD	Point-in-time
Distributions in excess of net income	`AccumulatedDistributionsInExcessOfNetIncome`	$3.55B	USD	Point-in-time
Distributions in excess of net income	`AccumulatedDistributionsInExcessOfNetIncome`	$4.18B	USD	Point-in-time
Distributions in excess of net income	`AccumulatedDistributionsInExcessOfNetIncome`	$4.18B	USD	Point-in-time
Accumulated other comprehensive income/(loss), net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$4.91M	USD	Point-in-time
Accumulated other comprehensive income/(loss), net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$4.91M	USD	Point-in-time
Accumulated other comprehensive income/(loss), net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$3.64M	USD	Point-in-time
Accumulated other comprehensive income/(loss), net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$3.64M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$3.99B	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$3.99B	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$3.44B	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$3.44B	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$335.00K	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$335.00K	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$210.00K	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$210.00K	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.44B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.44B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.10B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.10B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.47B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.47B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.99B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.99B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$10.90B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$10.90B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$11.37B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$11.37B	USD	Point-in-time

Income Statement 174 line items

Line Item	Tag	Value	Unit	Period
Rental income	`OperatingLeaseLeaseIncome`	$1.62B	USD	Annual
Rental income	`OperatingLeaseLeaseIncome`	$1.62B	USD	Annual
Rental income	`OperatingLeaseLeaseIncome`	$1.51B	USD	Annual
Rental income	`OperatingLeaseLeaseIncome`	$1.51B	USD	Annual
Rental income	`OperatingLeaseLeaseIncome`	$1.66B	USD	Annual
Rental income	`OperatingLeaseLeaseIncome`	$1.66B	USD	Annual
Joint venture management and other fees	`RevenueFromContractWithCustomerExcludingAssessedTax`	$6.84M	USD	Annual
Joint venture management and other fees	`RevenueFromContractWithCustomerExcludingAssessedTax`	$6.84M	USD	Annual
Joint venture management and other fees	`RevenueFromContractWithCustomerExcludingAssessedTax`	$8.32M	USD	Annual
Joint venture management and other fees	`RevenueFromContractWithCustomerExcludingAssessedTax`	$8.32M	USD	Annual
Joint venture management and other fees	`RevenueFromContractWithCustomerExcludingAssessedTax`	$5.02M	USD	Annual
Joint venture management and other fees	`RevenueFromContractWithCustomerExcludingAssessedTax`	$5.02M	USD	Annual
Total revenues	`Revenues`	$1.63B	USD	Annual
Total revenues	`Revenues`	$1.63B	USD	Annual
Total revenues	`Revenues`	$1.52B	USD	Annual
Total revenues	`Revenues`	$1.52B	USD	Annual
Total revenues	`Revenues`	$1.67B	USD	Annual
Total revenues	`Revenues`	$1.67B	USD	Annual
Property operating and maintenance	`DirectCostsOfLeasedAndRentedPropertyOrEquipment`	$250.31M	USD	Annual
Property operating and maintenance	`DirectCostsOfLeasedAndRentedPropertyOrEquipment`	$250.31M	USD	Annual
Property operating and maintenance	`DirectCostsOfLeasedAndRentedPropertyOrEquipment`	$273.74M	USD	Annual
Property operating and maintenance	`DirectCostsOfLeasedAndRentedPropertyOrEquipment`	$273.74M	USD	Annual
Property operating and maintenance	`DirectCostsOfLeasedAndRentedPropertyOrEquipment`	$292.57M	USD	Annual
Property operating and maintenance	`DirectCostsOfLeasedAndRentedPropertyOrEquipment`	$292.57M	USD	Annual
Real estate taxes and insurance	`RealEstateTaxesAndInsurance`	$232.13M	USD	Annual
Real estate taxes and insurance	`RealEstateTaxesAndInsurance`	$232.13M	USD	Annual
Real estate taxes and insurance	`RealEstateTaxesAndInsurance`	$221.66M	USD	Annual
Real estate taxes and insurance	`RealEstateTaxesAndInsurance`	$221.66M	USD	Annual
Real estate taxes and insurance	`RealEstateTaxesAndInsurance`	$232.15M	USD	Annual
Real estate taxes and insurance	`RealEstateTaxesAndInsurance`	$232.15M	USD	Annual
Property management	`PropertyManagementCostsOperating`	$52.67M	USD	Annual
Property management	`PropertyManagementCostsOperating`	$52.67M	USD	Annual
Property management	`PropertyManagementCostsOperating`	$54.06M	USD	Annual
Property management	`PropertyManagementCostsOperating`	$54.06M	USD	Annual
Property management	`PropertyManagementCostsOperating`	$49.15M	USD	Annual
Property management	`PropertyManagementCostsOperating`	$49.15M	USD	Annual
Other operating expenses	`OtherCostAndExpenseOperating`	$20.22M	USD	Annual
Other operating expenses	`OtherCostAndExpenseOperating`	$20.22M	USD	Annual
Other operating expenses	`OtherCostAndExpenseOperating`	$17.49M	USD	Annual
Other operating expenses	`OtherCostAndExpenseOperating`	$17.49M	USD	Annual
Other operating expenses	`OtherCostAndExpenseOperating`	$30.42M	USD	Annual
Other operating expenses	`OtherCostAndExpenseOperating`	$30.42M	USD	Annual
Real estate depreciation and amortization	`DepreciationNonproduction`	$676.07M	USD	Annual
Real estate depreciation and amortization	`DepreciationNonproduction`	$676.07M	USD	Annual
Real estate depreciation and amortization	`DepreciationNonproduction`	$676.42M	USD	Annual
Real estate depreciation and amortization	`DepreciationNonproduction`	$676.42M	USD	Annual
Real estate depreciation and amortization	`DepreciationNonproduction`	$665.23M	USD	Annual
Real estate depreciation and amortization	`DepreciationNonproduction`	$665.23M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$84.31M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$84.31M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$64.14M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$64.14M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$69.93M	USD	Annual
General and administrative	`GeneralAndAdministrativeExpense`	$69.93M	USD	Annual
Casualty-related charges/(recoveries), net	`CasualtyRelatedRecoveriesChargesNet`	$3.14M	USD	Annual
Casualty-related charges/(recoveries), net	`CasualtyRelatedRecoveriesChargesNet`	$3.14M	USD	Annual
Casualty-related charges/(recoveries), net	`CasualtyRelatedRecoveriesChargesNet`	$9.73M	USD	Annual
Casualty-related charges/(recoveries), net	`CasualtyRelatedRecoveriesChargesNet`	$9.73M	USD	Annual
Casualty-related charges/(recoveries), net	`CasualtyRelatedRecoveriesChargesNet`	$15.18M	USD	Annual
Casualty-related charges/(recoveries), net	`CasualtyRelatedRecoveriesChargesNet`	$15.18M	USD	Annual
Other depreciation and amortization	`OtherDepreciationAndAmortization`	$14.34M	USD	Annual
Other depreciation and amortization	`OtherDepreciationAndAmortization`	$14.34M	USD	Annual
Other depreciation and amortization	`OtherDepreciationAndAmortization`	$19.41M	USD	Annual
Other depreciation and amortization	`OtherDepreciationAndAmortization`	$19.41M	USD	Annual
Other depreciation and amortization	`OtherDepreciationAndAmortization`	$15.42M	USD	Annual
Other depreciation and amortization	`OtherDepreciationAndAmortization`	$15.42M	USD	Annual
Total operating expenses	`CostsAndExpenses`	$1.34B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$1.34B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$1.29B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$1.29B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$1.40B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$1.40B	USD	Annual
Gain/(loss) on sale of real estate owned	`GainsLossesOnSalesOfInvestmentRealEstate`	$351.19M	USD	Annual
Gain/(loss) on sale of real estate owned	`GainsLossesOnSalesOfInvestmentRealEstate`	$351.19M	USD	Annual
Gain/(loss) on sale of real estate owned	`GainsLossesOnSalesOfInvestmentRealEstate`	$25.49M	USD	Annual
Gain/(loss) on sale of real estate owned	`GainsLossesOnSalesOfInvestmentRealEstate`	$25.49M	USD	Annual
Gain/(loss) on sale of real estate owned	`GainsLossesOnSalesOfInvestmentRealEstate`	$16.87M	USD	Annual
Gain/(loss) on sale of real estate owned	`GainsLossesOnSalesOfInvestmentRealEstate`	$16.87M	USD	Annual
Operating income	`OperatingIncomeLoss`	$250.81M	USD	Annual
Operating income	`OperatingIncomeLoss`	$250.81M	USD	Annual
Operating income	`OperatingIncomeLoss`	$284.57M	USD	Annual
Operating income	`OperatingIncomeLoss`	$284.57M	USD	Annual
Operating income	`OperatingIncomeLoss`	$635.01M	USD	Annual
Operating income	`OperatingIncomeLoss`	$635.01M	USD	Annual
Income/(loss) from unconsolidated entities	`IncomeLossFromEquityMethodInvestments`	$20.23M	USD	Annual
Income/(loss) from unconsolidated entities	`IncomeLossFromEquityMethodInvestments`	$20.23M	USD	Annual
Income/(loss) from unconsolidated entities	`IncomeLossFromEquityMethodInvestments`	$4.95M	USD	Annual
Income/(loss) from unconsolidated entities	`IncomeLossFromEquityMethodInvestments`	$4.95M	USD	Annual
Income/(loss) from unconsolidated entities	`IncomeLossFromEquityMethodInvestments`	$4.69M	USD	Annual
Income/(loss) from unconsolidated entities	`IncomeLossFromEquityMethodInvestments`	$4.69M	USD	Annual
Interest expense	`InterestExpenseDebt`	$195.71M	USD	Annual
Interest expense	`InterestExpenseDebt`	$195.71M	USD	Annual
Interest expense	`InterestExpenseDebt`	$155.90M	USD	Annual
Interest expense	`InterestExpenseDebt`	$155.90M	USD	Annual
Interest expense	`InterestExpenseDebt`	$180.87M	USD	Annual
Interest expense	`InterestExpenseDebt`	$180.87M	USD	Annual
Interest income and other income/(expense), net	`OtherNonoperatingIncomeExpense`	$-12.34M	USD	Annual
Interest income and other income/(expense), net	`OtherNonoperatingIncomeExpense`	$-12.34M	USD	Annual
Interest income and other income/(expense), net	`OtherNonoperatingIncomeExpense`	$17.76M	USD	Annual
Interest income and other income/(expense), net	`OtherNonoperatingIncomeExpense`	$17.76M	USD	Annual
Interest income and other income/(expense), net	`OtherNonoperatingIncomeExpense`	$-6.93M	USD	Annual
Interest income and other income/(expense), net	`OtherNonoperatingIncomeExpense`	$-6.93M	USD	Annual
Income/(loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$92.93M	USD	Annual
Income/(loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$92.93M	USD	Annual
Income/(loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$476.59M	USD	Annual
Income/(loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$476.59M	USD	Annual
Income/(loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$96.76M	USD	Annual
Income/(loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$96.76M	USD	Annual
Tax (provision)/benefit, net	`IncomeTaxExpenseBenefit`	$349.00K	USD	Annual
Tax (provision)/benefit, net	`IncomeTaxExpenseBenefit`	$349.00K	USD	Annual
Tax (provision)/benefit, net	`IncomeTaxExpenseBenefit`	$879.00K	USD	Annual
Tax (provision)/benefit, net	`IncomeTaxExpenseBenefit`	$879.00K	USD	Annual
Tax (provision)/benefit, net	`IncomeTaxExpenseBenefit`	$2.11M	USD	Annual
Tax (provision)/benefit, net	`IncomeTaxExpenseBenefit`	$2.11M	USD	Annual
Net income/(loss)	`ProfitLoss`	$92.58M	USD	Annual
Net income/(loss)	`ProfitLoss`	$92.58M	USD	Annual
Net income/(loss)	`ProfitLoss`	$95.88M	USD	Annual
Net income/(loss)	`ProfitLoss`	$95.88M	USD	Annual
Net income/(loss)	`ProfitLoss`	$474.49M	USD	Annual
Net income/(loss)	`ProfitLoss`	$474.49M	USD	Annual
Net (income)/loss attributable to redeemable noncontrolling interests in the Operating Partnership and DownREIT Partnership	`NetIncomeLossAttributableToRedeemableNoncontrollingInterest`	$30.10M	USD	Annual
Net (income)/loss attributable to redeemable noncontrolling interests in the Operating Partnership and DownREIT Partnership	`NetIncomeLossAttributableToRedeemableNoncontrollingInterest`	$30.10M	USD	Annual
Net (income)/loss attributable to redeemable noncontrolling interests in the Operating Partnership and DownREIT Partnership	`NetIncomeLossAttributableToRedeemableNoncontrollingInterest`	$5.61M	USD	Annual
Net (income)/loss attributable to redeemable noncontrolling interests in the Operating Partnership and DownREIT Partnership	`NetIncomeLossAttributableToRedeemableNoncontrollingInterest`	$5.61M	USD	Annual
Net (income)/loss attributable to redeemable noncontrolling interests in the Operating Partnership and DownREIT Partnership	`NetIncomeLossAttributableToRedeemableNoncontrollingInterest`	$6.25M	USD	Annual
Net (income)/loss attributable to redeemable noncontrolling interests in the Operating Partnership and DownREIT Partnership	`NetIncomeLossAttributableToRedeemableNoncontrollingInterest`	$6.25M	USD	Annual
Net (income)/loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNonredeemableNoncontrollingInterest`	$31.00K	USD	Annual
Net (income)/loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNonredeemableNoncontrollingInterest`	$31.00K	USD	Annual
Net (income)/loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNonredeemableNoncontrollingInterest`	$46.00K	USD	Annual
Net (income)/loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNonredeemableNoncontrollingInterest`	$46.00K	USD	Annual
Net (income)/loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNonredeemableNoncontrollingInterest`	$42.00K	USD	Annual
Net (income)/loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNonredeemableNoncontrollingInterest`	$42.00K	USD	Annual
Net income/(loss) attributable to UDR, Inc.	`NetIncomeLoss`	$89.58M	USD	Annual
Net income/(loss) attributable to UDR, Inc.	`NetIncomeLoss`	$89.58M	USD	Annual
Net income/(loss) attributable to UDR, Inc.	`NetIncomeLoss`	$444.35M	USD	Annual
Net income/(loss) attributable to UDR, Inc.	`NetIncomeLoss`	$444.35M	USD	Annual
Net income/(loss) attributable to UDR, Inc.	`NetIncomeLoss`	$86.92M	USD	Annual
Net income/(loss) attributable to UDR, Inc.	`NetIncomeLoss`	$86.92M	USD	Annual
Distributions to preferred stockholders - Series E (Convertible)	`DividendsPreferredStock`	$4.83M	USD	Annual
Distributions to preferred stockholders - Series E (Convertible)	`DividendsPreferredStock`	$4.83M	USD	Annual
Distributions to preferred stockholders - Series E (Convertible)	`DividendsPreferredStock`	$4.85M	USD	Annual
Distributions to preferred stockholders - Series E (Convertible)	`DividendsPreferredStock`	$4.85M	USD	Annual
Distributions to preferred stockholders - Series E (Convertible)	`DividendsPreferredStock`	$4.41M	USD	Annual
Distributions to preferred stockholders - Series E (Convertible)	`DividendsPreferredStock`	$4.41M	USD	Annual
Net income/(loss) attributable to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$439.50M	USD	Annual
Net income/(loss) attributable to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$439.50M	USD	Annual
Net income/(loss) attributable to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$84.75M	USD	Annual
Net income/(loss) attributable to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$84.75M	USD	Annual
Net income/(loss) attributable to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$82.51M	USD	Annual
Net income/(loss) attributable to common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$82.51M	USD	Annual
Income/(loss) per weighted average common share - basic	`EarningsPerShareBasic`	$0.26	USD	Annual
Income/(loss) per weighted average common share - basic	`EarningsPerShareBasic`	$0.26	USD	Annual
Income/(loss) per weighted average common share - basic	`EarningsPerShareBasic`	$0.26	USD	Annual
Income/(loss) per weighted average common share - basic	`EarningsPerShareBasic`	$0.26	USD	Annual
Income/(loss) per weighted average common share - basic	`EarningsPerShareBasic`	$1.34	USD	Annual
Income/(loss) per weighted average common share - basic	`EarningsPerShareBasic`	$1.34	USD	Annual
Income/(loss) per weighted average common share - diluted	`EarningsPerShareDiluted`	$1.34	USD	Annual
Income/(loss) per weighted average common share - diluted	`EarningsPerShareDiluted`	$1.34	USD	Annual
Income/(loss) per weighted average common share - diluted	`EarningsPerShareDiluted`	$0.26	USD	Annual
Income/(loss) per weighted average common share - diluted	`EarningsPerShareDiluted`	$0.26	USD	Annual
Income/(loss) per weighted average common share - diluted	`EarningsPerShareDiluted`	$0.26	USD	Annual
Income/(loss) per weighted average common share - diluted	`EarningsPerShareDiluted`	$0.26	USD	Annual
Weighted average number of common shares outstanding - basic	`WeightedAverageNumberOfSharesOutstandingBasic`	328.76M	shares	Annual
Weighted average number of common shares outstanding - basic	`WeightedAverageNumberOfSharesOutstandingBasic`	328.76M	shares	Annual
Weighted average number of common shares outstanding - basic	`WeightedAverageNumberOfSharesOutstandingBasic`	321.67M	shares	Annual
Weighted average number of common shares outstanding - basic	`WeightedAverageNumberOfSharesOutstandingBasic`	321.67M	shares	Annual
Weighted average number of common shares outstanding - basic	`WeightedAverageNumberOfSharesOutstandingBasic`	329.29M	shares	Annual
Weighted average number of common shares outstanding - basic	`WeightedAverageNumberOfSharesOutstandingBasic`	329.29M	shares	Annual
Weighted average number of common shares outstanding - diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	330.12M	shares	Annual
Weighted average number of common shares outstanding - diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	330.12M	shares	Annual
Weighted average number of common shares outstanding - diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	322.70M	shares	Annual
Weighted average number of common shares outstanding - diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	322.70M	shares	Annual
Weighted average number of common shares outstanding - diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	329.10M	shares	Annual
Weighted average number of common shares outstanding - diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	329.10M	shares	Annual

Cash Flow Statement 260 line items

Line Item	Tag	Value	Unit	Period
Net income/(loss)	`ProfitLoss`	$92.58M	USD	Annual
Net income/(loss)	`ProfitLoss`	$92.58M	USD	Annual
Net income/(loss)	`ProfitLoss`	$95.88M	USD	Annual
Net income/(loss)	`ProfitLoss`	$95.88M	USD	Annual
Net income/(loss)	`ProfitLoss`	$474.49M	USD	Annual
Net income/(loss)	`ProfitLoss`	$474.49M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$691.84M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$691.84M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$679.57M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$679.57M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$695.47M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$695.47M	USD	Annual
(Gain)/loss on sale of real estate owned	`GainsLossesOnSalesOfInvestmentRealEstate`	$25.49M	USD	Annual
(Gain)/loss on sale of real estate owned	`GainsLossesOnSalesOfInvestmentRealEstate`	$25.49M	USD	Annual
(Gain)/loss on sale of real estate owned	`GainsLossesOnSalesOfInvestmentRealEstate`	$351.19M	USD	Annual
(Gain)/loss on sale of real estate owned	`GainsLossesOnSalesOfInvestmentRealEstate`	$351.19M	USD	Annual
(Gain)/loss on sale of real estate owned	`GainsLossesOnSalesOfInvestmentRealEstate`	$16.87M	USD	Annual
(Gain)/loss on sale of real estate owned	`GainsLossesOnSalesOfInvestmentRealEstate`	$16.87M	USD	Annual
(Income)/loss from unconsolidated entities	`IncomeLossFromEquityMethodInvestments`	$20.23M	USD	Annual
(Income)/loss from unconsolidated entities	`IncomeLossFromEquityMethodInvestments`	$20.23M	USD	Annual
(Income)/loss from unconsolidated entities	`IncomeLossFromEquityMethodInvestments`	$4.69M	USD	Annual
(Income)/loss from unconsolidated entities	`IncomeLossFromEquityMethodInvestments`	$4.69M	USD	Annual
(Income)/loss from unconsolidated entities	`IncomeLossFromEquityMethodInvestments`	$4.95M	USD	Annual
(Income)/loss from unconsolidated entities	`IncomeLossFromEquityMethodInvestments`	$4.95M	USD	Annual
Return on investment in unconsolidated joint ventures and partnerships	`ReturnOnInvestmentInEquityMethodInvestments`	$61.31M	USD	Annual
Return on investment in unconsolidated joint ventures and partnerships	`ReturnOnInvestmentInEquityMethodInvestments`	$61.31M	USD	Annual
Return on investment in unconsolidated joint ventures and partnerships	`ReturnOnInvestmentInEquityMethodInvestments`	$22.37M	USD	Annual
Return on investment in unconsolidated joint ventures and partnerships	`ReturnOnInvestmentInEquityMethodInvestments`	$22.37M	USD	Annual
Return on investment in unconsolidated joint ventures and partnerships	`ReturnOnInvestmentInEquityMethodInvestments`	$15.94M	USD	Annual
Return on investment in unconsolidated joint ventures and partnerships	`ReturnOnInvestmentInEquityMethodInvestments`	$15.94M	USD	Annual
Amortization of share-based compensation	`ShareBasedCompensation`	$27.50M	USD	Annual
Amortization of share-based compensation	`ShareBasedCompensation`	$27.50M	USD	Annual
Amortization of share-based compensation	`ShareBasedCompensation`	$32.62M	USD	Annual
Amortization of share-based compensation	`ShareBasedCompensation`	$32.62M	USD	Annual
Amortization of share-based compensation	`ShareBasedCompensation`	$32.90M	USD	Annual
Amortization of share-based compensation	`ShareBasedCompensation`	$32.90M	USD	Annual
Provision/(recovery) for credit losses	`ProvisionForLoanLossesExpensed`	$37.46M	USD	Annual
Provision/(recovery) for credit losses	`ProvisionForLoanLossesExpensed`	$37.46M	USD	Annual
Provision/(recovery) for credit losses	`ProvisionForLoanLossesExpensed`	$702.00K	USD	Annual
Provision/(recovery) for credit losses	`ProvisionForLoanLossesExpensed`	$702.00K	USD	Annual
Provision/(recovery) for credit losses	`ProvisionForLoanLossesExpensed`	$140.00K	USD	Annual
Provision/(recovery) for credit losses	`ProvisionForLoanLossesExpensed`	$140.00K	USD	Annual
Other	`OtherOperatingActivitiesCashFlowStatement`	$31.70M	USD	Annual
Other	`OtherOperatingActivitiesCashFlowStatement`	$31.70M	USD	Annual
Other	`OtherOperatingActivitiesCashFlowStatement`	$9.09M	USD	Annual
Other	`OtherOperatingActivitiesCashFlowStatement`	$9.09M	USD	Annual
Other	`OtherOperatingActivitiesCashFlowStatement`	$27.11M	USD	Annual
Other	`OtherOperatingActivitiesCashFlowStatement`	$27.11M	USD	Annual
(Increase)/decrease in operating assets	`IncreaseDecreaseInOperatingAssets`	$31.14M	USD	Annual
(Increase)/decrease in operating assets	`IncreaseDecreaseInOperatingAssets`	$31.14M	USD	Annual
(Increase)/decrease in operating assets	`IncreaseDecreaseInOperatingAssets`	$-9.79M	USD	Annual
(Increase)/decrease in operating assets	`IncreaseDecreaseInOperatingAssets`	$-9.79M	USD	Annual
(Increase)/decrease in operating assets	`IncreaseDecreaseInOperatingAssets`	$33.58M	USD	Annual
(Increase)/decrease in operating assets	`IncreaseDecreaseInOperatingAssets`	$33.58M	USD	Annual
Increase/(decrease) in operating liabilities	`IncreaseDecreaseInOperatingLiabilities`	$-2.83M	USD	Annual
Increase/(decrease) in operating liabilities	`IncreaseDecreaseInOperatingLiabilities`	$-2.83M	USD	Annual
Increase/(decrease) in operating liabilities	`IncreaseDecreaseInOperatingLiabilities`	$-13.14M	USD	Annual
Increase/(decrease) in operating liabilities	`IncreaseDecreaseInOperatingLiabilities`	$-13.14M	USD	Annual
Increase/(decrease) in operating liabilities	`IncreaseDecreaseInOperatingLiabilities`	$-4.76M	USD	Annual
Increase/(decrease) in operating liabilities	`IncreaseDecreaseInOperatingLiabilities`	$-4.76M	USD	Annual
Net cash provided by/(used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$876.85M	USD	Annual
Net cash provided by/(used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$876.85M	USD	Annual
Net cash provided by/(used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$832.66M	USD	Annual
Net cash provided by/(used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$832.66M	USD	Annual
Net cash provided by/(used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$820.07M	USD	Annual
Net cash provided by/(used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$820.07M	USD	Annual
Acquisition of real estate assets	`PaymentsToAcquireBuildings`	$17.85M	USD	Annual
Acquisition of real estate assets	`PaymentsToAcquireBuildings`	$17.85M	USD	Annual
Acquisition of real estate assets	`PaymentsToAcquireBuildings`	$341.15M	USD	Annual
Acquisition of real estate assets	`PaymentsToAcquireBuildings`	$341.15M	USD	Annual
Proceeds from sales of real estate investments, net	`ProceedsFromSaleOfRealEstateHeldforinvestment`	$325.77M	USD	Annual
Proceeds from sales of real estate investments, net	`ProceedsFromSaleOfRealEstateHeldforinvestment`	$325.77M	USD	Annual
Proceeds from sales of real estate investments, net	`ProceedsFromSaleOfRealEstateHeldforinvestment`	$98.65M	USD	Annual
Proceeds from sales of real estate investments, net	`ProceedsFromSaleOfRealEstateHeldforinvestment`	$98.65M	USD	Annual
Proceeds from sales of real estate investments, net	`ProceedsFromSaleOfRealEstateHeldforinvestment`	$40.81M	USD	Annual
Proceeds from sales of real estate investments, net	`ProceedsFromSaleOfRealEstateHeldforinvestment`	$40.81M	USD	Annual
Development of real estate assets	`PaymentsToDevelopRealEstateAssets`	$67.53M	USD	Annual
Development of real estate assets	`PaymentsToDevelopRealEstateAssets`	$67.53M	USD	Annual
Development of real estate assets	`PaymentsToDevelopRealEstateAssets`	$198.02M	USD	Annual
Development of real estate assets	`PaymentsToDevelopRealEstateAssets`	$198.02M	USD	Annual
Development of real estate assets	`PaymentsToDevelopRealEstateAssets`	$155.88M	USD	Annual
Development of real estate assets	`PaymentsToDevelopRealEstateAssets`	$155.88M	USD	Annual
Capital expenditures and other major improvements - real estate assets	`PaymentsForCapitalImprovements`	$249.89M	USD	Annual
Capital expenditures and other major improvements - real estate assets	`PaymentsForCapitalImprovements`	$249.89M	USD	Annual
Capital expenditures and other major improvements - real estate assets	`PaymentsForCapitalImprovements`	$295.44M	USD	Annual
Capital expenditures and other major improvements - real estate assets	`PaymentsForCapitalImprovements`	$295.44M	USD	Annual
Capital expenditures and other major improvements - real estate assets	`PaymentsForCapitalImprovements`	$214.83M	USD	Annual
Capital expenditures and other major improvements - real estate assets	`PaymentsForCapitalImprovements`	$214.83M	USD	Annual
Capital expenditures - non-real estate assets	`PaymentsToAcquireFurnitureAndFixtures`	$21.80M	USD	Annual
Capital expenditures - non-real estate assets	`PaymentsToAcquireFurnitureAndFixtures`	$21.80M	USD	Annual
Capital expenditures - non-real estate assets	`PaymentsToAcquireFurnitureAndFixtures`	$16.91M	USD	Annual
Capital expenditures - non-real estate assets	`PaymentsToAcquireFurnitureAndFixtures`	$16.91M	USD	Annual
Capital expenditures - non-real estate assets	`PaymentsToAcquireFurnitureAndFixtures`	$21.18M	USD	Annual
Capital expenditures - non-real estate assets	`PaymentsToAcquireFurnitureAndFixtures`	$21.18M	USD	Annual
Investment in unconsolidated joint ventures and partnerships	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$71.39M	USD	Annual
Investment in unconsolidated joint ventures and partnerships	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$71.39M	USD	Annual
Investment in unconsolidated joint ventures and partnerships	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$201.41M	USD	Annual
Investment in unconsolidated joint ventures and partnerships	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$201.41M	USD	Annual
Investment in unconsolidated joint ventures and partnerships	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$50.34M	USD	Annual
Investment in unconsolidated joint ventures and partnerships	`PaymentsToAcquireInterestInSubsidiariesAndAffiliates`	$50.34M	USD	Annual
Distributions received from unconsolidated joint ventures and partnerships	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$41.10M	USD	Annual
Distributions received from unconsolidated joint ventures and partnerships	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$41.10M	USD	Annual
Distributions received from unconsolidated joint ventures and partnerships	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$81.44M	USD	Annual
Distributions received from unconsolidated joint ventures and partnerships	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$81.44M	USD	Annual
Distributions received from unconsolidated joint ventures and partnerships	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$14.40M	USD	Annual
Distributions received from unconsolidated joint ventures and partnerships	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$14.40M	USD	Annual
Proceeds from sale of equity securities	`ProceedsFromSaleOfEquitySecuritiesFvNi`	$14.47M	USD	Annual
Proceeds from sale of equity securities	`ProceedsFromSaleOfEquitySecuritiesFvNi`	$14.47M	USD	Annual
Proceeds from sale of equity securities	`ProceedsFromSaleOfEquitySecuritiesFvNi`	$4.62M	USD	Annual
Proceeds from sale of equity securities	`ProceedsFromSaleOfEquitySecuritiesFvNi`	$4.62M	USD	Annual
Purchase deposits on pending acquisitions	`PaymentsForDepositsOnPendingAcquisitions`	$1.00M	USD	Annual
Purchase deposits on pending acquisitions	`PaymentsForDepositsOnPendingAcquisitions`	$1.00M	USD	Annual
Purchase deposits on pending acquisitions	`PaymentsForDepositsOnPendingAcquisitions`	$-1.00M	USD	Annual
Purchase deposits on pending acquisitions	`PaymentsForDepositsOnPendingAcquisitions`	$-1.00M	USD	Annual
Repayment/(issuance) of notes receivable, net	`PaymentsForProceedsFromLoansReceivable`	$85.31M	USD	Annual
Repayment/(issuance) of notes receivable, net	`PaymentsForProceedsFromLoansReceivable`	$85.31M	USD	Annual
Repayment/(issuance) of notes receivable, net	`PaymentsForProceedsFromLoansReceivable`	$75.18M	USD	Annual
Repayment/(issuance) of notes receivable, net	`PaymentsForProceedsFromLoansReceivable`	$75.18M	USD	Annual
Repayment/(issuance) of notes receivable, net	`PaymentsForProceedsFromLoansReceivable`	$32.17M	USD	Annual
Repayment/(issuance) of notes receivable, net	`PaymentsForProceedsFromLoansReceivable`	$32.17M	USD	Annual
Net cash provided by/(used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-289.14M	USD	Annual
Net cash provided by/(used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-289.14M	USD	Annual
Net cash provided by/(used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-276.35M	USD	Annual
Net cash provided by/(used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-276.35M	USD	Annual
Net cash provided by/(used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-929.53M	USD	Annual
Net cash provided by/(used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-929.53M	USD	Annual
Payments on secured debt	`RepaymentsOfSecuredDebt`	$1.14M	USD	Annual
Payments on secured debt	`RepaymentsOfSecuredDebt`	$1.14M	USD	Annual
Payments on secured debt	`RepaymentsOfSecuredDebt`	$137.97M	USD	Annual
Payments on secured debt	`RepaymentsOfSecuredDebt`	$137.97M	USD	Annual
Payments on secured debt	`RepaymentsOfSecuredDebt`	$1.24M	USD	Annual
Payments on secured debt	`RepaymentsOfSecuredDebt`	$1.24M	USD	Annual
Payments on unsecured debt	`RepaymentsOfUnsecuredDebt`	$15.64M	USD	Annual
Payments on unsecured debt	`RepaymentsOfUnsecuredDebt`	$15.64M	USD	Annual
Net proceeds from the issuance of unsecured debt	`ProceedsFromIssuanceOfUnsecuredDebt`	$296.93M	USD	Annual
Net proceeds from the issuance of unsecured debt	`ProceedsFromIssuanceOfUnsecuredDebt`	$296.93M	USD	Annual
Net proceeds/(repayment) of commercial paper	`ProceedsFromRepaymentsOfCommercialPaper`	$-118.17M	USD	Annual
Net proceeds/(repayment) of commercial paper	`ProceedsFromRepaymentsOfCommercialPaper`	$-118.17M	USD	Annual
Net proceeds/(repayment) of commercial paper	`ProceedsFromRepaymentsOfCommercialPaper`	$80.00M	USD	Annual
Net proceeds/(repayment) of commercial paper	`ProceedsFromRepaymentsOfCommercialPaper`	$80.00M	USD	Annual
Net proceeds/(repayment) of commercial paper	`ProceedsFromRepaymentsOfCommercialPaper`	$108.08M	USD	Annual
Net proceeds/(repayment) of commercial paper	`ProceedsFromRepaymentsOfCommercialPaper`	$108.08M	USD	Annual
Net proceeds/(repayment) of revolving bank debt	`ProceedsFromRepaymentsOfLinesOfCredit`	$-1.53M	USD	Annual
Net proceeds/(repayment) of revolving bank debt	`ProceedsFromRepaymentsOfLinesOfCredit`	$-1.53M	USD	Annual
Net proceeds/(repayment) of revolving bank debt	`ProceedsFromRepaymentsOfLinesOfCredit`	$-23.43M	USD	Annual
Net proceeds/(repayment) of revolving bank debt	`ProceedsFromRepaymentsOfLinesOfCredit`	$-23.43M	USD	Annual
Net proceeds/(repayment) of revolving bank debt	`ProceedsFromRepaymentsOfLinesOfCredit`	$4.77M	USD	Annual
Net proceeds/(repayment) of revolving bank debt	`ProceedsFromRepaymentsOfLinesOfCredit`	$4.77M	USD	Annual
Proceeds from the issuance of common shares through public offering, net	`ProceedsFromIssuanceOfCommonStock`	$629.55M	USD	Annual
Proceeds from the issuance of common shares through public offering, net	`ProceedsFromIssuanceOfCommonStock`	$629.55M	USD	Annual
Repurchase of common shares	`PaymentsForRepurchaseOfCommonStock`	$49.03M	USD	Annual
Repurchase of common shares	`PaymentsForRepurchaseOfCommonStock`	$49.03M	USD	Annual
Repurchase of common shares	`PaymentsForRepurchaseOfCommonStock`	$25.01M	USD	Annual
Repurchase of common shares	`PaymentsForRepurchaseOfCommonStock`	$25.01M	USD	Annual
Distributions paid to redeemable noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$42.80M	USD	Annual
Distributions paid to redeemable noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$42.80M	USD	Annual
Distributions paid to redeemable noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$35.58M	USD	Annual
Distributions paid to redeemable noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$35.58M	USD	Annual
Distributions paid to redeemable noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$34.26M	USD	Annual
Distributions paid to redeemable noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$34.26M	USD	Annual
Distributions paid to preferred stockholders	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$4.38M	USD	Annual
Distributions paid to preferred stockholders	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$4.38M	USD	Annual
Distributions paid to preferred stockholders	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$4.85M	USD	Annual
Distributions paid to preferred stockholders	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$4.85M	USD	Annual
Distributions paid to preferred stockholders	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$4.77M	USD	Annual
Distributions paid to preferred stockholders	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$4.77M	USD	Annual
Distributions paid to common stockholders	`PaymentsOfDividendsCommonStock`	$483.62M	USD	Annual
Distributions paid to common stockholders	`PaymentsOfDividendsCommonStock`	$483.62M	USD	Annual
Distributions paid to common stockholders	`PaymentsOfDividendsCommonStock`	$558.48M	USD	Annual
Distributions paid to common stockholders	`PaymentsOfDividendsCommonStock`	$558.48M	USD	Annual
Distributions paid to common stockholders	`PaymentsOfDividendsCommonStock`	$539.85M	USD	Annual
Distributions paid to common stockholders	`PaymentsOfDividendsCommonStock`	$539.85M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-17.05M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-17.05M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-23.71M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-23.71M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-24.36M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-24.36M	USD	Annual
Net cash provided by/(used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-538.85M	USD	Annual
Net cash provided by/(used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-538.85M	USD	Annual
Net cash provided by/(used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-599.94M	USD	Annual
Net cash provided by/(used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-599.94M	USD	Annual
Net cash provided by/(used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$111.23M	USD	Annual
Net cash provided by/(used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$111.23M	USD	Annual
Net increase/(decrease) in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$1.78M	USD	Annual
Net increase/(decrease) in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$1.78M	USD	Annual
Net increase/(decrease) in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$4.67M	USD	Annual
Net increase/(decrease) in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$4.67M	USD	Annual
Net increase/(decrease) in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$561.00K	USD	Annual
Net increase/(decrease) in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$561.00K	USD	Annual
Cash, cash equivalents, and restricted cash, beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$30.19M	USD	Point-in-time
Cash, cash equivalents, and restricted cash, beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$30.19M	USD	Point-in-time
Cash, cash equivalents, and restricted cash, beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$34.87M	USD	Point-in-time
Cash, cash equivalents, and restricted cash, beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$34.87M	USD	Point-in-time
Cash, cash equivalents, and restricted cash, beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$35.43M	USD	Point-in-time
Cash, cash equivalents, and restricted cash, beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$35.43M	USD	Point-in-time
Cash, cash equivalents, and restricted cash, beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$28.42M	USD	Point-in-time
Cash, cash equivalents, and restricted cash, beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$28.42M	USD	Point-in-time
Cash, cash equivalents, and restricted cash, end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$34.87M	USD	Point-in-time
Cash, cash equivalents, and restricted cash, end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$34.87M	USD	Point-in-time
Cash, cash equivalents, and restricted cash, end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$30.19M	USD	Point-in-time
Cash, cash equivalents, and restricted cash, end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$30.19M	USD	Point-in-time
Cash, cash equivalents, and restricted cash, end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$35.43M	USD	Point-in-time
Cash, cash equivalents, and restricted cash, end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$35.43M	USD	Point-in-time
Cash, cash equivalents, and restricted cash, end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$28.42M	USD	Point-in-time
Cash, cash equivalents, and restricted cash, end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$28.42M	USD	Point-in-time
Interest paid during the period, net of amounts capitalized	`InterestPaidNet`	$154.91M	USD	Annual
Interest paid during the period, net of amounts capitalized	`InterestPaidNet`	$154.91M	USD	Annual
Interest paid during the period, net of amounts capitalized	`InterestPaidNet`	$184.20M	USD	Annual
Interest paid during the period, net of amounts capitalized	`InterestPaidNet`	$184.20M	USD	Annual
Interest paid during the period, net of amounts capitalized	`InterestPaidNet`	$192.10M	USD	Annual
Interest paid during the period, net of amounts capitalized	`InterestPaidNet`	$192.10M	USD	Annual
Operating cash flows from operating leases	`ProceedsFromLeasePayments`	$12.50M	USD	Annual
Operating cash flows from operating leases	`ProceedsFromLeasePayments`	$12.50M	USD	Annual
Operating cash flows from operating leases	`ProceedsFromLeasePayments`	$12.50M	USD	Annual
Operating cash flows from operating leases	`ProceedsFromLeasePayments`	$12.50M	USD	Annual
Operating cash flows from operating leases	`ProceedsFromLeasePayments`	$12.50M	USD	Annual
Operating cash flows from operating leases	`ProceedsFromLeasePayments`	$12.50M	USD	Annual
Cash paid/(refunds received) for income taxes	`IncomeTaxesPaidNet`	$1.15M	USD	Annual
Cash paid/(refunds received) for income taxes	`IncomeTaxesPaidNet`	$1.15M	USD	Annual
Cash paid/(refunds received) for income taxes	`IncomeTaxesPaidNet`	$1.91M	USD	Annual
Cash paid/(refunds received) for income taxes	`IncomeTaxesPaidNet`	$1.91M	USD	Annual
Cash paid/(refunds received) for income taxes	`IncomeTaxesPaidNet`	$1.04M	USD	Annual
Cash paid/(refunds received) for income taxes	`IncomeTaxesPaidNet`	$1.04M	USD	Annual
Secured debt assumed upon acquisition of real estate assets	`NoncashOrPartNoncashAcquisitionDebtAssumed1`	$191.74M	USD	Annual
Secured debt assumed upon acquisition of real estate assets	`NoncashOrPartNoncashAcquisitionDebtAssumed1`	$191.74M	USD	Annual
OP Units issued for real estate, net	`OperatingPartnershipUnitsIssuedForRealEstateNet`	$141.36M	USD	Annual
OP Units issued for real estate, net	`OperatingPartnershipUnitsIssuedForRealEstateNet`	$141.36M	USD	Annual
Redeemable long-term and short-term incentive plan units	`SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1`	$28.51M	USD	Annual
Redeemable long-term and short-term incentive plan units	`SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1`	$28.51M	USD	Annual
Redeemable long-term and short-term incentive plan units	`SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1`	$56.57M	USD	Annual
Redeemable long-term and short-term incentive plan units	`SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1`	$56.57M	USD	Annual
Redeemable long-term and short-term incentive plan units	`SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1`	$27.56M	USD	Annual
Redeemable long-term and short-term incentive plan units	`SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1`	$27.56M	USD	Annual
Development costs and capital expenditures incurred, but not yet paid	`CapitalExpendituresIncurredButNotYetPaid`	$56.34M	USD	Annual
Development costs and capital expenditures incurred, but not yet paid	`CapitalExpendituresIncurredButNotYetPaid`	$56.34M	USD	Annual
Development costs and capital expenditures incurred, but not yet paid	`CapitalExpendituresIncurredButNotYetPaid`	$15.19M	USD	Annual
Development costs and capital expenditures incurred, but not yet paid	`CapitalExpendituresIncurredButNotYetPaid`	$15.19M	USD	Annual
Development costs and capital expenditures incurred, but not yet paid	`CapitalExpendituresIncurredButNotYetPaid`	$39.08M	USD	Annual
Development costs and capital expenditures incurred, but not yet paid	`CapitalExpendituresIncurredButNotYetPaid`	$39.08M	USD	Annual
Conversion of Operating Partnership and DownREIT Partnership noncontrolling interests to common stock (1,703,570 shares; 470,800 shares; and 502,868 shares)	`ConversionOfStockAmountConverted1`	$23.74M	USD	Annual
Conversion of Operating Partnership and DownREIT Partnership noncontrolling interests to common stock (1,703,570 shares; 470,800 shares; and 502,868 shares)	`ConversionOfStockAmountConverted1`	$23.74M	USD	Annual
Conversion of Operating Partnership and DownREIT Partnership noncontrolling interests to common stock (1,703,570 shares; 470,800 shares; and 502,868 shares)	`ConversionOfStockAmountConverted1`	$18.79M	USD	Annual
Conversion of Operating Partnership and DownREIT Partnership noncontrolling interests to common stock (1,703,570 shares; 470,800 shares; and 502,868 shares)	`ConversionOfStockAmountConverted1`	$18.79M	USD	Annual
Conversion of Operating Partnership and DownREIT Partnership noncontrolling interests to common stock (1,703,570 shares; 470,800 shares; and 502,868 shares)	`ConversionOfStockAmountConverted1`	$73.20M	USD	Annual
Conversion of Operating Partnership and DownREIT Partnership noncontrolling interests to common stock (1,703,570 shares; 470,800 shares; and 502,868 shares)	`ConversionOfStockAmountConverted1`	$73.20M	USD	Annual
Distribution of equity securities from unconsolidated real estate technology investments	`DistributionOfEquitySecuritiesFromUnconsolidatedInvestments`	$18.02M	USD	Annual
Distribution of equity securities from unconsolidated real estate technology investments	`DistributionOfEquitySecuritiesFromUnconsolidatedInvestments`	$18.02M	USD	Annual
Distribution of equity securities from unconsolidated real estate technology investments	`DistributionOfEquitySecuritiesFromUnconsolidatedInvestments`	$7.75M	USD	Annual
Distribution of equity securities from unconsolidated real estate technology investments	`DistributionOfEquitySecuritiesFromUnconsolidatedInvestments`	$7.75M	USD	Annual
Contribution of operating properties to unconsolidated joint venture	`ContributionOfOperatingPropertiesToUnconsolidatedJointVenture`	$258.06M	USD	Annual
Contribution of operating properties to unconsolidated joint venture	`ContributionOfOperatingPropertiesToUnconsolidatedJointVenture`	$258.06M	USD	Annual
Transfer of preferred equity investment to note receivable	`TransferOfPreferredEquityInvestmentToNotesReceivable`	$73.45M	USD	Annual
Transfer of preferred equity investment to note receivable	`TransferOfPreferredEquityInvestmentToNotesReceivable`	$73.45M	USD	Annual
Dividends declared, but not yet paid	`DividendsPayableCurrentAndNoncurrent`	$134.21M	USD	Point-in-time
Dividends declared, but not yet paid	`DividendsPayableCurrentAndNoncurrent`	$134.21M	USD	Point-in-time
Dividends declared, but not yet paid	`DividendsPayableCurrentAndNoncurrent`	$151.72M	USD	Point-in-time
Dividends declared, but not yet paid	`DividendsPayableCurrentAndNoncurrent`	$151.72M	USD	Point-in-time
Dividends declared, but not yet paid	`DividendsPayableCurrentAndNoncurrent`	$149.60M	USD	Point-in-time
Dividends declared, but not yet paid	`DividendsPayableCurrentAndNoncurrent`	$149.60M	USD	Point-in-time

Stockholders Equity 84 line items

Line Item	Tag	Value	Unit	Period
Common stock distributions declared per share	`CommonStockDividendsPerShareDeclared`	$1.68	USD	Annual
Common stock distributions declared per share	`CommonStockDividendsPerShareDeclared`	$1.68	USD	Annual
Common stock distributions declared per share	`CommonStockDividendsPerShareDeclared`	$1.70	USD	Annual
Common stock distributions declared per share	`CommonStockDividendsPerShareDeclared`	$1.70	USD	Annual
Common stock distributions declared per share	`CommonStockDividendsPerShareDeclared`	$1.52	USD	Annual
Common stock distributions declared per share	`CommonStockDividendsPerShareDeclared`	$1.52	USD	Annual
Preferred stock distributions in arrears	`PreferredStockPerShareAmountsOfPreferredDividendsInArrears`	$1.65	USD	Annual
Preferred stock distributions in arrears	`PreferredStockPerShareAmountsOfPreferredDividendsInArrears`	$1.65	USD	Annual
Preferred stock distributions in arrears	`PreferredStockPerShareAmountsOfPreferredDividendsInArrears`	$1.84	USD	Annual
Preferred stock distributions in arrears	`PreferredStockPerShareAmountsOfPreferredDividendsInArrears`	$1.84	USD	Annual
Preferred stock distributions in arrears	`PreferredStockPerShareAmountsOfPreferredDividendsInArrears`	$1.82	USD	Annual
Preferred stock distributions in arrears	`PreferredStockPerShareAmountsOfPreferredDividendsInArrears`	$1.82	USD	Annual
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.44B	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.44B	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.10B	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.10B	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.47B	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.47B	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.99B	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.99B	USD	Point-in-time
Net income/(loss) attributable to UDR, Inc.	`NetIncomeLoss`	$89.58M	USD	Annual
Net income/(loss) attributable to UDR, Inc.	`NetIncomeLoss`	$89.58M	USD	Annual
Net income/(loss) attributable to UDR, Inc.	`NetIncomeLoss`	$444.35M	USD	Annual
Net income/(loss) attributable to UDR, Inc.	`NetIncomeLoss`	$444.35M	USD	Annual
Net income/(loss) attributable to UDR, Inc.	`NetIncomeLoss`	$86.92M	USD	Annual
Net income/(loss) attributable to UDR, Inc.	`NetIncomeLoss`	$86.92M	USD	Annual
Long Term Incentive Plan Unit grants/(vestings), net	`LongTermIncentivePlanUnitGrantsVestingsNet`	$-31.22M	USD	Annual
Long Term Incentive Plan Unit grants/(vestings), net	`LongTermIncentivePlanUnitGrantsVestingsNet`	$-31.22M	USD	Annual
Other comprehensive income/(loss)	`OtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-3.43M	USD	Annual
Other comprehensive income/(loss)	`OtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-3.43M	USD	Annual
Other comprehensive income/(loss)	`OtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-1.28M	USD	Annual
Other comprehensive income/(loss)	`OtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-1.28M	USD	Annual
Other comprehensive income/(loss)	`OtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$12.61M	USD	Annual
Other comprehensive income/(loss)	`OtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$12.61M	USD	Annual
Issuance/(forfeiture) of common and restricted shares, net	`StockIssuedDuringPeriodValueShareBasedCompensation`	$6.56M	USD	Annual
Issuance/(forfeiture) of common and restricted shares, net	`StockIssuedDuringPeriodValueShareBasedCompensation`	$6.56M	USD	Annual
Issuance/(forfeiture) of common and restricted shares, net	`StockIssuedDuringPeriodValueShareBasedCompensation`	$4.85M	USD	Annual
Issuance/(forfeiture) of common and restricted shares, net	`StockIssuedDuringPeriodValueShareBasedCompensation`	$4.85M	USD	Annual
Issuance/(forfeiture) of common and restricted shares, net	`StockIssuedDuringPeriodValueShareBasedCompensation`	$5.12M	USD	Annual
Issuance/(forfeiture) of common and restricted shares, net	`StockIssuedDuringPeriodValueShareBasedCompensation`	$5.12M	USD	Annual
Issuance of common shares through public offering, net	`StockIssuedDuringPeriodValueNewIssues`	$-551.00K	USD	Annual
Issuance of common shares through public offering, net	`StockIssuedDuringPeriodValueNewIssues`	$-551.00K	USD	Annual
Issuance of common shares through public offering, net	`StockIssuedDuringPeriodValueNewIssues`	$629.55M	USD	Annual
Issuance of common shares through public offering, net	`StockIssuedDuringPeriodValueNewIssues`	$629.55M	USD	Annual
Issuance of common shares through public offering, net	`StockIssuedDuringPeriodValueNewIssues`	$-456.00K	USD	Annual
Issuance of common shares through public offering, net	`StockIssuedDuringPeriodValueNewIssues`	$-456.00K	USD	Annual
Adjustment for conversion of noncontrolling interest of unitholders in the Operating Partnership and DownREIT Partnership	`StockIssuedDuringPeriodValueConversionOfUnits`	$18.79M	USD	Annual
Adjustment for conversion of noncontrolling interest of unitholders in the Operating Partnership and DownREIT Partnership	`StockIssuedDuringPeriodValueConversionOfUnits`	$18.79M	USD	Annual
Adjustment for conversion of noncontrolling interest of unitholders in the Operating Partnership and DownREIT Partnership	`StockIssuedDuringPeriodValueConversionOfUnits`	$23.74M	USD	Annual
Adjustment for conversion of noncontrolling interest of unitholders in the Operating Partnership and DownREIT Partnership	`StockIssuedDuringPeriodValueConversionOfUnits`	$23.74M	USD	Annual
Adjustment for conversion of noncontrolling interest of unitholders in the Operating Partnership and DownREIT Partnership	`StockIssuedDuringPeriodValueConversionOfUnits`	$73.20M	USD	Annual
Adjustment for conversion of noncontrolling interest of unitholders in the Operating Partnership and DownREIT Partnership	`StockIssuedDuringPeriodValueConversionOfUnits`	$73.20M	USD	Annual
Contribution of noncontrolling interests in consolidated real estate	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$125.00K	USD	Annual
Contribution of noncontrolling interests in consolidated real estate	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$125.00K	USD	Annual
Common stock distributions declared	`DividendsCommonStockCash`	$553.02M	USD	Annual
Common stock distributions declared	`DividendsCommonStockCash`	$553.02M	USD	Annual
Common stock distributions declared	`DividendsCommonStockCash`	$493.31M	USD	Annual
Common stock distributions declared	`DividendsCommonStockCash`	$493.31M	USD	Annual
Common stock distributions declared	`DividendsCommonStockCash`	$560.91M	USD	Annual
Common stock distributions declared	`DividendsCommonStockCash`	$560.91M	USD	Annual
Repurchase of common shares	`StockRepurchasedDuringPeriodValue`	$25.01M	USD	Annual
Repurchase of common shares	`StockRepurchasedDuringPeriodValue`	$25.01M	USD	Annual
Repurchase of common shares	`StockRepurchasedDuringPeriodValue`	$49.03M	USD	Annual
Repurchase of common shares	`StockRepurchasedDuringPeriodValue`	$49.03M	USD	Annual
Preferred stock distributions declared-Series E	`DividendsPreferredStockCash`	$4.85M	USD	Annual
Preferred stock distributions declared-Series E	`DividendsPreferredStockCash`	$4.85M	USD	Annual
Preferred stock distributions declared-Series E	`DividendsPreferredStockCash`	$4.41M	USD	Annual
Preferred stock distributions declared-Series E	`DividendsPreferredStockCash`	$4.41M	USD	Annual
Preferred stock distributions declared-Series E	`DividendsPreferredStockCash`	$4.83M	USD	Annual
Preferred stock distributions declared-Series E	`DividendsPreferredStockCash`	$4.83M	USD	Annual
Adjustment to reflect redemption value of redeemable noncontrolling interests	`MinorityInterestChangeInRedemptionValue`	$10.21M	USD	Annual
Adjustment to reflect redemption value of redeemable noncontrolling interests	`MinorityInterestChangeInRedemptionValue`	$10.21M	USD	Annual
Adjustment to reflect redemption value of redeemable noncontrolling interests	`MinorityInterestChangeInRedemptionValue`	$-148.36M	USD	Annual
Adjustment to reflect redemption value of redeemable noncontrolling interests	`MinorityInterestChangeInRedemptionValue`	$-148.36M	USD	Annual
Adjustment to reflect redemption value of redeemable noncontrolling interests	`MinorityInterestChangeInRedemptionValue`	$444.29M	USD	Annual
Adjustment to reflect redemption value of redeemable noncontrolling interests	`MinorityInterestChangeInRedemptionValue`	$444.29M	USD	Annual
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.44B	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.44B	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.10B	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.10B	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.47B	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.47B	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.99B	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.99B	USD	Point-in-time

Comprehensive Income 42 line items

Line Item	Tag	Value	Unit	Period
Net income/(loss)	`ProfitLoss`	$92.58M	USD	Annual
Net income/(loss)	`ProfitLoss`	$92.58M	USD	Annual
Net income/(loss)	`ProfitLoss`	$95.88M	USD	Annual
Net income/(loss)	`ProfitLoss`	$95.88M	USD	Annual
Net income/(loss)	`ProfitLoss`	$474.49M	USD	Annual
Net income/(loss)	`ProfitLoss`	$474.49M	USD	Annual
Unrealized holding gain/(loss)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$3.87M	USD	Annual
Unrealized holding gain/(loss)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$3.87M	USD	Annual
Unrealized holding gain/(loss)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$5.99M	USD	Annual
Unrealized holding gain/(loss)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$5.99M	USD	Annual
Unrealized holding gain/(loss)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$14.49M	USD	Annual
Unrealized holding gain/(loss)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$14.49M	USD	Annual
(Gain)/loss reclassified into earnings from other comprehensive income/(loss)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$7.53M	USD	Annual
(Gain)/loss reclassified into earnings from other comprehensive income/(loss)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$7.53M	USD	Annual
(Gain)/loss reclassified into earnings from other comprehensive income/(loss)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$998.00K	USD	Annual
(Gain)/loss reclassified into earnings from other comprehensive income/(loss)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$998.00K	USD	Annual
(Gain)/loss reclassified into earnings from other comprehensive income/(loss)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$7.33M	USD	Annual
(Gain)/loss reclassified into earnings from other comprehensive income/(loss)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$7.33M	USD	Annual
Other comprehensive income/(loss), including portion attributable to noncontrolling interests	`OtherComprehensiveIncomeLossNetOfTax`	$-1.34M	USD	Annual
Other comprehensive income/(loss), including portion attributable to noncontrolling interests	`OtherComprehensiveIncomeLossNetOfTax`	$-1.34M	USD	Annual
Other comprehensive income/(loss), including portion attributable to noncontrolling interests	`OtherComprehensiveIncomeLossNetOfTax`	$13.49M	USD	Annual
Other comprehensive income/(loss), including portion attributable to noncontrolling interests	`OtherComprehensiveIncomeLossNetOfTax`	$13.49M	USD	Annual
Other comprehensive income/(loss), including portion attributable to noncontrolling interests	`OtherComprehensiveIncomeLossNetOfTax`	$-3.66M	USD	Annual
Other comprehensive income/(loss), including portion attributable to noncontrolling interests	`OtherComprehensiveIncomeLossNetOfTax`	$-3.66M	USD	Annual
Comprehensive income/(loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$106.07M	USD	Annual
Comprehensive income/(loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$106.07M	USD	Annual
Comprehensive income/(loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$94.53M	USD	Annual
Comprehensive income/(loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$94.53M	USD	Annual
Comprehensive income/(loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$470.83M	USD	Annual
Comprehensive income/(loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$470.83M	USD	Annual
Comprehensive (income)/loss attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$6.54M	USD	Annual
Comprehensive (income)/loss attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$6.54M	USD	Annual
Comprehensive (income)/loss attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$6.22M	USD	Annual
Comprehensive (income)/loss attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$6.22M	USD	Annual
Comprehensive (income)/loss attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$29.90M	USD	Annual
Comprehensive (income)/loss attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$29.90M	USD	Annual
Comprehensive income/(loss) attributable to UDR, Inc.	`ComprehensiveIncomeNetOfTax`	$440.92M	USD	Annual
Comprehensive income/(loss) attributable to UDR, Inc.	`ComprehensiveIncomeNetOfTax`	$440.92M	USD	Annual
Comprehensive income/(loss) attributable to UDR, Inc.	`ComprehensiveIncomeNetOfTax`	$88.31M	USD	Annual
Comprehensive income/(loss) attributable to UDR, Inc.	`ComprehensiveIncomeNetOfTax`	$88.31M	USD	Annual
Comprehensive income/(loss) attributable to UDR, Inc.	`ComprehensiveIncomeNetOfTax`	$99.53M	USD	Annual
Comprehensive income/(loss) attributable to UDR, Inc.	`ComprehensiveIncomeNetOfTax`	$99.53M	USD	Annual

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