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Real Estate and Accumulated Depreciation (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 2,332,290us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand    
Buildings & Improvements, Initial Cost 6,632,972us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements    
Improvements, Initial Cost 5,796us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements    
Land, Total Cost 2,392,501us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand    
Buildings & Improvements, Total Cost 7,943,284us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements    
Total Cost 10,335,785us-gaap_RealEstateGrossAtCarryingValue    
Accumulated Depreciation 1,909,585us-gaap_RealEstateAccumulatedDepreciation    
Total Cost, Net of Accumulated Depreciation 8,426,200us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet    
Encumbrances 1,645,146us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances    
The changes in Total Real Estate Assets, excluding real estate held for sale, for the three years ended December 31, 2014 are as follows:      
Balance at beginning of year 10,211,611ddr_RealEstateOwnedAtCarryingValue 8,639,111ddr_RealEstateOwnedAtCarryingValue 8,266,839ddr_RealEstateOwnedAtCarryingValue
Acquisitions and transfers from joint ventures 632,672us-gaap_RealEstateOtherAcquisitions 1,776,474us-gaap_RealEstateOtherAcquisitions 594,633us-gaap_RealEstateOtherAcquisitions
Developments, improvements and expansions 249,891us-gaap_RealEstateImprovements 194,243us-gaap_RealEstateImprovements 108,320us-gaap_RealEstateImprovements
Real estate held for sale 0ddr_RealEstateAssetsHeldForDevelopmentAndSales (16,450)ddr_RealEstateAssetsHeldForDevelopmentAndSales 0ddr_RealEstateAssetsHeldForDevelopmentAndSales
Adjustments of property carrying values (38,052)us-gaap_RealEstateOtherDeductions (72,597)us-gaap_RealEstateOtherDeductions (135,813)us-gaap_RealEstateOtherDeductions
Sales, transfers to joint ventures and retirements (720,337)us-gaap_RealEstateCostOfRealEstateSold (309,170)us-gaap_RealEstateCostOfRealEstateSold (194,868)us-gaap_RealEstateCostOfRealEstateSold
Balance at end of year 10,335,785ddr_RealEstateOwnedAtCarryingValue 10,211,611ddr_RealEstateOwnedAtCarryingValue 8,639,111ddr_RealEstateOwnedAtCarryingValue
The changes in Accumulated Depreciation and Amortization, excluding real estate held for sale, for the three years ended December 31, 2014 are as follows:      
Balance at beginning of year 1,823,199us-gaap_RealEstateOwnedAccumulatedDepreciation 1,670,717us-gaap_RealEstateOwnedAccumulatedDepreciation 1,550,066us-gaap_RealEstateOwnedAccumulatedDepreciation
Depreciation for year 309,595us-gaap_SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense 267,096us-gaap_SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense 233,619us-gaap_SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense
Real estate held for sale 0us-gaap_RealEstateAccumulatedDepreciationOtherDeductions (3,780)us-gaap_RealEstateAccumulatedDepreciationOtherDeductions 0us-gaap_RealEstateAccumulatedDepreciationOtherDeductions
Sales and retirements (223,209)us-gaap_RealEstateAccumulatedDepreciationRealEstateSold (110,834)us-gaap_RealEstateAccumulatedDepreciationRealEstateSold (112,968)us-gaap_RealEstateAccumulatedDepreciationRealEstateSold
Balance at end of year 1,909,585us-gaap_RealEstateOwnedAccumulatedDepreciation 1,823,199us-gaap_RealEstateOwnedAccumulatedDepreciation 1,670,717us-gaap_RealEstateOwnedAccumulatedDepreciation
Bayamon, PR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 132,074us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BayamonOneMember
   
Buildings & Improvements, Initial Cost 152,441us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BayamonOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BayamonOneMember
   
Land, Total Cost 132,759us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BayamonOneMember
   
Buildings & Improvements, Total Cost 185,565us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BayamonOneMember
   
Total Cost 318,324us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BayamonOneMember
   
Accumulated Depreciation 52,692us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BayamonOneMember
   
Total Cost, Net of Accumulated Depreciation 265,632us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BayamonOneMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BayamonOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2005 (A)    
Carolina, PR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 28,522us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CarolinaMember
   
Buildings & Improvements, Initial Cost 76,947us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CarolinaMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CarolinaMember
   
Land, Total Cost 28,601us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CarolinaMember
   
Buildings & Improvements, Total Cost 82,634us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CarolinaMember
   
Total Cost 111,235us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CarolinaMember
   
Accumulated Depreciation 26,038us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CarolinaMember
   
Total Cost, Net of Accumulated Depreciation 85,197us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CarolinaMember
   
Encumbrances 74,222us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CarolinaMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2005 (A)    
Humacao, PR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 16,386us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HumacaoMember
   
Buildings & Improvements, Initial Cost 74,059us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HumacaoMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HumacaoMember
   
Land, Total Cost 16,386us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HumacaoMember
   
Buildings & Improvements, Total Cost 83,385us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HumacaoMember
   
Total Cost 99,771us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HumacaoMember
   
Accumulated Depreciation 28,148us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HumacaoMember
   
Total Cost, Net of Accumulated Depreciation 71,623us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HumacaoMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HumacaoMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2005 (A)    
Isabela, PR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 8,175us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IsabelaMember
   
Buildings & Improvements, Initial Cost 41,094us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IsabelaMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IsabelaMember
   
Land, Total Cost 8,236us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IsabelaMember
   
Buildings & Improvements, Total Cost 43,001us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IsabelaMember
   
Total Cost 51,237us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IsabelaMember
   
Accumulated Depreciation 13,742us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IsabelaMember
   
Total Cost, Net of Accumulated Depreciation 37,495us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IsabelaMember
   
Encumbrances 22,101us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IsabelaMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2005 (A)    
San German, PR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 3,215us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanGermanOneMember
   
Buildings & Improvements, Initial Cost 24us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanGermanOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanGermanOneMember
   
Land, Total Cost 3,215us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanGermanOneMember
   
Buildings & Improvements, Total Cost 41us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanGermanOneMember
   
Total Cost 3,256us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanGermanOneMember
   
Accumulated Depreciation 33us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanGermanOneMember
   
Total Cost, Net of Accumulated Depreciation 3,223us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanGermanOneMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanGermanOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2005 (A)    
Cayey, PR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 18,226us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CayeyMember
   
Buildings & Improvements, Initial Cost 25,101us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CayeyMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CayeyMember
   
Land, Total Cost 18,538us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CayeyMember
   
Buildings & Improvements, Total Cost 27,104us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CayeyMember
   
Total Cost 45,642us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CayeyMember
   
Accumulated Depreciation 8,570us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CayeyMember
   
Total Cost, Net of Accumulated Depreciation 37,072us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CayeyMember
   
Encumbrances 20,925us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CayeyMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2005 (A)    
Bayamon, PR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 91,645us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BayamonTwoMember
   
Buildings & Improvements, Initial Cost 98,007us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BayamonTwoMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BayamonTwoMember
   
Land, Total Cost 92,027us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BayamonTwoMember
   
Buildings & Improvements, Total Cost 117,667us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BayamonTwoMember
   
Total Cost 209,694us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BayamonTwoMember
   
Accumulated Depreciation 34,277us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BayamonTwoMember
   
Total Cost, Net of Accumulated Depreciation 175,417us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BayamonTwoMember
   
Encumbrances 125,700us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BayamonTwoMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2005 (A)    
Rio Piedras, PR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 10,338us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RioPiedrasMember
   
Buildings & Improvements, Initial Cost 23,285us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RioPiedrasMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RioPiedrasMember
   
Land, Total Cost 10,338us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RioPiedrasMember
   
Buildings & Improvements, Total Cost 29,787us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RioPiedrasMember
   
Total Cost 40,125us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RioPiedrasMember
   
Accumulated Depreciation 9,362us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RioPiedrasMember
   
Total Cost, Net of Accumulated Depreciation 30,763us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RioPiedrasMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RioPiedrasMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2005 (A)    
Bayamon, PR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 4,294us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BayamonThreeMember
   
Buildings & Improvements, Initial Cost 11,987us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BayamonThreeMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BayamonThreeMember
   
Land, Total Cost 4,584us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BayamonThreeMember
   
Buildings & Improvements, Total Cost 24,579us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BayamonThreeMember
   
Total Cost 29,163us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BayamonThreeMember
   
Accumulated Depreciation 6,160us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BayamonThreeMember
   
Total Cost, Net of Accumulated Depreciation 23,003us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BayamonThreeMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BayamonThreeMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2005 (A)    
Arecibo, PR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 7,965us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AreciboMember
   
Buildings & Improvements, Initial Cost 29,898us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AreciboMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AreciboMember
   
Land, Total Cost 8,094us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AreciboMember
   
Buildings & Improvements, Total Cost 32,679us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AreciboMember
   
Total Cost 40,773us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AreciboMember
   
Accumulated Depreciation 10,437us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AreciboMember
   
Total Cost, Net of Accumulated Depreciation 30,336us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AreciboMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AreciboMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2005 (A)    
Hatillo, PR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 101,219us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HatilloMember
   
Buildings & Improvements, Initial Cost 105,465us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HatilloMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HatilloMember
   
Land, Total Cost 101,219us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HatilloMember
   
Buildings & Improvements, Total Cost 131,530us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HatilloMember
   
Total Cost 232,749us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HatilloMember
   
Accumulated Depreciation 41,290us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HatilloMember
   
Total Cost, Net of Accumulated Depreciation 191,459us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HatilloMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HatilloMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2005 (A)    
Vega Baja, PR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 7,076us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_VegaBajaMember
   
Buildings & Improvements, Initial Cost 18,684us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_VegaBajaMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_VegaBajaMember
   
Land, Total Cost 7,076us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_VegaBajaMember
   
Buildings & Improvements, Total Cost 18,950us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_VegaBajaMember
   
Total Cost 26,026us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_VegaBajaMember
   
Accumulated Depreciation 6,105us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_VegaBajaMember
   
Total Cost, Net of Accumulated Depreciation 19,921us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_VegaBajaMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_VegaBajaMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2005 (A)    
Guayama, PR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 1,960us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GuayamaMember
   
Buildings & Improvements, Initial Cost 18,721us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GuayamaMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GuayamaMember
   
Land, Total Cost 1,960us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GuayamaMember
   
Buildings & Improvements, Total Cost 19,642us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GuayamaMember
   
Total Cost 21,602us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GuayamaMember
   
Accumulated Depreciation 6,191us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GuayamaMember
   
Total Cost, Net of Accumulated Depreciation 15,411us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GuayamaMember
   
Encumbrances 11,759us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GuayamaMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2005 (A)    
Fajardo, PR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 4,376us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FajardoMember
   
Buildings & Improvements, Initial Cost 41,199us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FajardoMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FajardoMember
   
Land, Total Cost 4,376us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FajardoMember
   
Buildings & Improvements, Total Cost 49,971us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FajardoMember
   
Total Cost 54,347us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FajardoMember
   
Accumulated Depreciation 13,644us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FajardoMember
   
Total Cost, Net of Accumulated Depreciation 40,703us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FajardoMember
   
Encumbrances 25,159us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FajardoMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2005 (A)    
San German, PR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 6,470us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanGermanTwoMember
   
Buildings & Improvements, Initial Cost 20,751us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanGermanTwoMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanGermanTwoMember
   
Land, Total Cost 6,470us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanGermanTwoMember
   
Buildings & Improvements, Total Cost 21,469us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanGermanTwoMember
   
Total Cost 27,939us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanGermanTwoMember
   
Accumulated Depreciation 6,940us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanGermanTwoMember
   
Total Cost, Net of Accumulated Depreciation 20,999us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanGermanTwoMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanGermanTwoMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2005 (A)    
Brandon, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrandonMember
   
Buildings & Improvements, Initial Cost 4,111us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrandonMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrandonMember
   
Land, Total Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrandonMember
   
Buildings & Improvements, Total Cost 6,366us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrandonMember
   
Total Cost 6,366us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrandonMember
   
Accumulated Depreciation 5,339us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrandonMember
   
Total Cost, Net of Accumulated Depreciation 1,027us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrandonMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrandonMember
   
Depreciable Lives (Years) 30 years    
Date of Construction (C) Acquisition (A) 1972 (C)    
Stow, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 993us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_StowMember
   
Buildings & Improvements, Initial Cost 9,028us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_StowMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_StowMember
   
Land, Total Cost 993us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_StowMember
   
Buildings & Improvements, Total Cost 37,400us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_StowMember
   
Total Cost 38,393us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_StowMember
   
Accumulated Depreciation 17,108us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_StowMember
   
Total Cost, Net of Accumulated Depreciation 21,285us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_StowMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_StowMember
   
Depreciable Lives (Years) 30 years    
Date of Construction (C) Acquisition (A) 1969 (C)    
Westlake, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 424us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestlakeMember
   
Buildings & Improvements, Initial Cost 3,803us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestlakeMember
   
Improvements, Initial Cost 201us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestlakeMember
   
Land, Total Cost 424us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestlakeMember
   
Buildings & Improvements, Total Cost 10,501us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestlakeMember
   
Total Cost 10,925us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestlakeMember
   
Accumulated Depreciation 7,184us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestlakeMember
   
Total Cost, Net of Accumulated Depreciation 3,741us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestlakeMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestlakeMember
   
Depreciable Lives (Years) 30 years    
Date of Construction (C) Acquisition (A) 1974 (C)    
Palm Harbor, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 1,137us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PalmHarborMember
   
Buildings & Improvements, Initial Cost 4,089us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PalmHarborMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PalmHarborMember
   
Land, Total Cost 1,137us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PalmHarborMember
   
Buildings & Improvements, Total Cost 4,967us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PalmHarborMember
   
Total Cost 6,104us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PalmHarborMember
   
Accumulated Depreciation 2,885us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PalmHarborMember
   
Total Cost, Net of Accumulated Depreciation 3,219us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PalmHarborMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PalmHarborMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1995 (A)    
Homestead, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 23,390us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HomesteadMember
   
Buildings & Improvements, Initial Cost 59,639us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HomesteadMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HomesteadMember
   
Land, Total Cost 24,103us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HomesteadMember
   
Buildings & Improvements, Total Cost 62,294us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HomesteadMember
   
Total Cost 86,397us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HomesteadMember
   
Accumulated Depreciation 9,719us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HomesteadMember
   
Total Cost, Net of Accumulated Depreciation 76,678us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HomesteadMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HomesteadMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2008 (C)    
Tarpon Springs, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 146us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TarponSpringsMember
   
Buildings & Improvements, Initial Cost 7,382us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TarponSpringsMember
   
Improvements, Initial Cost 81us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TarponSpringsMember
   
Land, Total Cost 146us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TarponSpringsMember
   
Buildings & Improvements, Total Cost 9,804us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TarponSpringsMember
   
Total Cost 9,950us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TarponSpringsMember
   
Accumulated Depreciation 7,264us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TarponSpringsMember
   
Total Cost, Net of Accumulated Depreciation 2,686us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TarponSpringsMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TarponSpringsMember
   
Depreciable Lives (Years) 30 years    
Date of Construction (C) Acquisition (A) 1974 (C)    
McHenry, IL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 1,294us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_McHenryOneMember
   
Buildings & Improvements, Initial Cost 5,251us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_McHenryOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_McHenryOneMember
   
Land, Total Cost 14,255us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_McHenryOneMember
   
Buildings & Improvements, Total Cost 61,701us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_McHenryOneMember
   
Total Cost 75,956us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_McHenryOneMember
   
Accumulated Depreciation 13,201us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_McHenryOneMember
   
Total Cost, Net of Accumulated Depreciation 62,755us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_McHenryOneMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_McHenryOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2006 (C)    
Miami, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 11,626us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MiamiMember
   
Buildings & Improvements, Initial Cost 30,457us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MiamiMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MiamiMember
   
Land, Total Cost 26,743us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MiamiMember
   
Buildings & Improvements, Total Cost 115,864us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MiamiMember
   
Total Cost 142,607us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MiamiMember
   
Accumulated Depreciation 25,502us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MiamiMember
   
Total Cost, Net of Accumulated Depreciation 117,105us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MiamiMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MiamiMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2006 (C)    
San Antonio, TX [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 3,990us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioOneMember
   
Buildings & Improvements, Initial Cost 28,404us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioOneMember
   
Land, Total Cost 3,990us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioOneMember
   
Buildings & Improvements, Total Cost 38,506us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioOneMember
   
Total Cost 42,496us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioOneMember
   
Accumulated Depreciation 8,096us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioOneMember
   
Total Cost, Net of Accumulated Depreciation 34,400us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioOneMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (C)    
Gulfport, MS [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GulfportMember
   
Buildings & Improvements, Initial Cost 36,370us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GulfportMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GulfportMember
   
Land, Total Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GulfportMember
   
Buildings & Improvements, Total Cost 53,595us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GulfportMember
   
Total Cost 53,595us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GulfportMember
   
Accumulated Depreciation 20,174us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GulfportMember
   
Total Cost, Net of Accumulated Depreciation 33,421us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GulfportMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GulfportMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003 (A)    
Tupelo, MS [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 2,213us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TupeloMember
   
Buildings & Improvements, Initial Cost 14,979us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TupeloMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TupeloMember
   
Land, Total Cost 2,213us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TupeloMember
   
Buildings & Improvements, Total Cost 19,034us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TupeloMember
   
Total Cost 21,247us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TupeloMember
   
Accumulated Depreciation 11,270us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TupeloMember
   
Total Cost, Net of Accumulated Depreciation 9,977us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TupeloMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TupeloMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1994 (A)    
Long Beach, CA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LongBeachMember
   
Buildings & Improvements, Initial Cost 111,512us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LongBeachMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LongBeachMember
   
Land, Total Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LongBeachMember
   
Buildings & Improvements, Total Cost 146,056us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LongBeachMember
   
Total Cost 146,056us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LongBeachMember
   
Accumulated Depreciation 49,562us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LongBeachMember
   
Total Cost, Net of Accumulated Depreciation 96,494us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LongBeachMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LongBeachMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2005 (C)    
Brunswick, ME [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 3,796us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrunswickMember
   
Buildings & Improvements, Initial Cost 15,459us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrunswickMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrunswickMember
   
Land, Total Cost 3,796us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrunswickMember
   
Buildings & Improvements, Total Cost 20,879us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrunswickMember
   
Total Cost 24,675us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrunswickMember
   
Accumulated Depreciation 11,393us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrunswickMember
   
Total Cost, Net of Accumulated Depreciation 13,282us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrunswickMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrunswickMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1997 (A)    
Oceanside, CA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OceansideMember
   
Buildings & Improvements, Initial Cost 10,643us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OceansideMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OceansideMember
   
Land, Total Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OceansideMember
   
Buildings & Improvements, Total Cost 14,406us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OceansideMember
   
Total Cost 14,406us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OceansideMember
   
Accumulated Depreciation 6,416us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OceansideMember
   
Total Cost, Net of Accumulated Depreciation 7,990us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OceansideMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OceansideMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2000 (C)    
Reno, NV [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 1,132us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RenoMember
   
Buildings & Improvements, Initial Cost 4,696us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RenoMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RenoMember
   
Land, Total Cost 1,132us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RenoMember
   
Buildings & Improvements, Total Cost 4,723us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RenoMember
   
Total Cost 5,855us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RenoMember
   
Accumulated Depreciation 1,510us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RenoMember
   
Total Cost, Net of Accumulated Depreciation 4,345us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RenoMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RenoMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2000 (C)    
Everett, MA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 9,311us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EverettMember
   
Buildings & Improvements, Initial Cost 44,647us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EverettMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EverettMember
   
Land, Total Cost 9,462us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EverettMember
   
Buildings & Improvements, Total Cost 51,858us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EverettMember
   
Total Cost 61,320us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EverettMember
   
Accumulated Depreciation 21,936us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EverettMember
   
Total Cost, Net of Accumulated Depreciation 39,384us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EverettMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EverettMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2001 (C)    
Pasadena, CA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 46,957us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PasadenaMember
   
Buildings & Improvements, Initial Cost 101,475us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PasadenaMember
   
Improvements, Initial Cost 2,053us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PasadenaMember
   
Land, Total Cost 46,957us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PasadenaMember
   
Buildings & Improvements, Total Cost 106,143us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PasadenaMember
   
Total Cost 153,100us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PasadenaMember
   
Accumulated Depreciation 46,597us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PasadenaMember
   
Total Cost, Net of Accumulated Depreciation 106,503us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PasadenaMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PasadenaMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003 (A)    
Salisbury, MD [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 2,070us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SalisburyMember
   
Buildings & Improvements, Initial Cost 12,495us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SalisburyMember
   
Improvements, Initial Cost 277us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SalisburyMember
   
Land, Total Cost 2,071us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SalisburyMember
   
Buildings & Improvements, Total Cost 15,584us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SalisburyMember
   
Total Cost 17,655us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SalisburyMember
   
Accumulated Depreciation 6,155us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SalisburyMember
   
Total Cost, Net of Accumulated Depreciation 11,500us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SalisburyMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SalisburyMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1999 (C)    
Apex, NC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 9,576us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ApexMember
   
Buildings & Improvements, Initial Cost 43,619us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ApexMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ApexMember
   
Land, Total Cost 10,521us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ApexMember
   
Buildings & Improvements, Total Cost 56,124us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ApexMember
   
Total Cost 66,645us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ApexMember
   
Accumulated Depreciation 14,245us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ApexMember
   
Total Cost, Net of Accumulated Depreciation 52,400us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ApexMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ApexMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2006 (C)    
Erie, PA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 6,373us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ErieOneMember
   
Buildings & Improvements, Initial Cost 19,201us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ErieOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ErieOneMember
   
Land, Total Cost 6,373us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ErieOneMember
   
Buildings & Improvements, Total Cost 53,281us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ErieOneMember
   
Total Cost 59,654us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ErieOneMember
   
Accumulated Depreciation 27,823us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ErieOneMember
   
Total Cost, Net of Accumulated Depreciation 31,831us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ErieOneMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ErieOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1995 (C)    
San Francisco, CA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 10,464us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanFranciscoMember
   
Buildings & Improvements, Initial Cost 25,730us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanFranciscoMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanFranciscoMember
   
Land, Total Cost 10,464us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanFranciscoMember
   
Buildings & Improvements, Total Cost 26,394us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanFranciscoMember
   
Total Cost 36,858us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanFranciscoMember
   
Accumulated Depreciation 8,669us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanFranciscoMember
   
Total Cost, Net of Accumulated Depreciation 28,189us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanFranciscoMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanFranciscoMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2002 (A)    
Chillicothe, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 43us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChillicotheMember
   
Buildings & Improvements, Initial Cost 2,549us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChillicotheMember
   
Improvements, Initial Cost 2us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChillicotheMember
   
Land, Total Cost 1,170us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChillicotheMember
   
Buildings & Improvements, Total Cost 4,405us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChillicotheMember
   
Total Cost 5,575us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChillicotheMember
   
Accumulated Depreciation 2,685us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChillicotheMember
   
Total Cost, Net of Accumulated Depreciation 2,890us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChillicotheMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChillicotheMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1974 (C)    
Phoenix, AZ [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 18,701us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixMember
   
Buildings & Improvements, Initial Cost 18,811us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixMember
   
Improvements, Initial Cost 118us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixMember
   
Land, Total Cost 18,701us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixMember
   
Buildings & Improvements, Total Cost 20,125us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixMember
   
Total Cost 38,826us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixMember
   
Accumulated Depreciation 5,624us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixMember
   
Total Cost, Net of Accumulated Depreciation 33,202us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1999 (A)    
Macedonia, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 11,582us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MacedoniaMember
   
Buildings & Improvements, Initial Cost 34,323us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MacedoniaMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MacedoniaMember
   
Land, Total Cost 11,582us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MacedoniaMember
   
Buildings & Improvements, Total Cost 36,844us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MacedoniaMember
   
Total Cost 48,426us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MacedoniaMember
   
Accumulated Depreciation 7,559us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MacedoniaMember
   
Total Cost, Net of Accumulated Depreciation 40,867us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MacedoniaMember
   
Encumbrances 19,375us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MacedoniaMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2011 (A)    
Huber Hts, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 757us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HuberHtsMember
   
Buildings & Improvements, Initial Cost 14,469us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HuberHtsMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HuberHtsMember
   
Land, Total Cost 757us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HuberHtsMember
   
Buildings & Improvements, Total Cost 27,112us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HuberHtsMember
   
Total Cost 27,869us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HuberHtsMember
   
Accumulated Depreciation 15,191us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HuberHtsMember
   
Total Cost, Net of Accumulated Depreciation 12,678us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HuberHtsMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HuberHtsMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1993 (A)    
Boardman, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 8,152us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BoardmanMember
   
Buildings & Improvements, Initial Cost 27,983us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BoardmanMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BoardmanMember
   
Land, Total Cost 8,152us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BoardmanMember
   
Buildings & Improvements, Total Cost 30,770us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BoardmanMember
   
Total Cost 38,922us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BoardmanMember
   
Accumulated Depreciation 15,871us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BoardmanMember
   
Total Cost, Net of Accumulated Depreciation 23,051us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BoardmanMember
   
Encumbrances 24,470us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BoardmanMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1997 (C)    
Solon, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 6,220us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SolonMember
   
Buildings & Improvements, Initial Cost 7,454us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SolonMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SolonMember
   
Land, Total Cost 6,220us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SolonMember
   
Buildings & Improvements, Total Cost 25,445us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SolonMember
   
Total Cost 31,665us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SolonMember
   
Accumulated Depreciation 11,565us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SolonMember
   
Total Cost, Net of Accumulated Depreciation 20,100us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SolonMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SolonMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1998 (C)    
Bedford, IN [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 706us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BedfordMember
   
Buildings & Improvements, Initial Cost 8,425us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BedfordMember
   
Improvements, Initial Cost 6us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BedfordMember
   
Land, Total Cost 1,067us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BedfordMember
   
Buildings & Improvements, Total Cost 12,210us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BedfordMember
   
Total Cost 13,277us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BedfordMember
   
Accumulated Depreciation 7,127us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BedfordMember
   
Total Cost, Net of Accumulated Depreciation 6,150us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BedfordMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BedfordMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1993 (A)    
Sunset Hills, MO [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 12,791us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SunsetHillsMember
   
Buildings & Improvements, Initial Cost 38,404us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SunsetHillsMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SunsetHillsMember
   
Land, Total Cost 13,403us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SunsetHillsMember
   
Buildings & Improvements, Total Cost 52,241us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SunsetHillsMember
   
Total Cost 65,644us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SunsetHillsMember
   
Accumulated Depreciation 26,156us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SunsetHillsMember
   
Total Cost, Net of Accumulated Depreciation 39,488us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SunsetHillsMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SunsetHillsMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1998 (A)    
Brentwood, MO [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 10,018us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrentwoodMember
   
Buildings & Improvements, Initial Cost 32,053us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrentwoodMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrentwoodMember
   
Land, Total Cost 10,018us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrentwoodMember
   
Buildings & Improvements, Total Cost 35,424us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrentwoodMember
   
Total Cost 45,442us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrentwoodMember
   
Accumulated Depreciation 16,628us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrentwoodMember
   
Total Cost, Net of Accumulated Depreciation 28,814us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrentwoodMember
   
Encumbrances 31,058us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrentwoodMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1998 (A)    
Cedar Rapids, IA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 4,219us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CedarRapidsMember
   
Buildings & Improvements, Initial Cost 12,697us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CedarRapidsMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CedarRapidsMember
   
Land, Total Cost 4,219us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CedarRapidsMember
   
Buildings & Improvements, Total Cost 14,069us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CedarRapidsMember
   
Total Cost 18,288us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CedarRapidsMember
   
Accumulated Depreciation 7,522us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CedarRapidsMember
   
Total Cost, Net of Accumulated Depreciation 10,766us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CedarRapidsMember
   
Encumbrances 5,094us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CedarRapidsMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1998 (A)    
Des Peres, MO [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 2,775us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DesPeresMember
   
Buildings & Improvements, Initial Cost 8,370us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DesPeresMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DesPeresMember
   
Land, Total Cost 4,275us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DesPeresMember
   
Buildings & Improvements, Total Cost 12,982us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DesPeresMember
   
Total Cost 17,257us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DesPeresMember
   
Accumulated Depreciation 5,012us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DesPeresMember
   
Total Cost, Net of Accumulated Depreciation 12,245us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DesPeresMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DesPeresMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1998 (A)    
Springfield, MO [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringfieldMember
   
Buildings & Improvements, Initial Cost 2,048us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringfieldMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringfieldMember
   
Land, Total Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringfieldMember
   
Buildings & Improvements, Total Cost 2,655us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringfieldMember
   
Total Cost 2,655us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringfieldMember
   
Accumulated Depreciation 1,316us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringfieldMember
   
Total Cost, Net of Accumulated Depreciation 1,339us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringfieldMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringfieldMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1998 (A)    
St. Louis, MO [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 4,159us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_StLouisMember
   
Buildings & Improvements, Initial Cost 3,818us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_StLouisMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_StLouisMember
   
Land, Total Cost 6,051us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_StLouisMember
   
Buildings & Improvements, Total Cost 7,801us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_StLouisMember
   
Total Cost 13,852us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_StLouisMember
   
Accumulated Depreciation 2,448us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_StLouisMember
   
Total Cost, Net of Accumulated Depreciation 11,404us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_StLouisMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_StLouisMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1998 (A)    
Aurora, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 832us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AuroraMember
   
Buildings & Improvements, Initial Cost 7,560us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AuroraMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AuroraMember
   
Land, Total Cost 1,592us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AuroraMember
   
Buildings & Improvements, Total Cost 14,162us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AuroraMember
   
Total Cost 15,754us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AuroraMember
   
Accumulated Depreciation 7,267us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AuroraMember
   
Total Cost, Net of Accumulated Depreciation 8,487us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AuroraMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AuroraMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1995 (C)    
Nampa, ID [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 1,395us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NampaMember
   
Buildings & Improvements, Initial Cost 8,563us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NampaMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NampaMember
   
Land, Total Cost 9,609us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NampaMember
   
Buildings & Improvements, Total Cost 92,401us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NampaMember
   
Total Cost 102,010us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NampaMember
   
Accumulated Depreciation 15,420us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NampaMember
   
Total Cost, Net of Accumulated Depreciation 86,590us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NampaMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NampaMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Simpsonville, SC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 417us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SimpsonvilleMember
   
Buildings & Improvements, Initial Cost 6,563us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SimpsonvilleMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SimpsonvilleMember
   
Land, Total Cost 417us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SimpsonvilleMember
   
Buildings & Improvements, Total Cost 7,096us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SimpsonvilleMember
   
Total Cost 7,513us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SimpsonvilleMember
   
Accumulated Depreciation 4,751us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SimpsonvilleMember
   
Total Cost, Net of Accumulated Depreciation 2,762us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SimpsonvilleMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SimpsonvilleMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1994 (A)    
Camden, SC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 627us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CamdenMember
   
Buildings & Improvements, Initial Cost 7,519us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CamdenMember
   
Improvements, Initial Cost 7us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CamdenMember
   
Land, Total Cost 1,021us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CamdenMember
   
Buildings & Improvements, Total Cost 11,818us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CamdenMember
   
Total Cost 12,839us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CamdenMember
   
Accumulated Depreciation 7,830us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CamdenMember
   
Total Cost, Net of Accumulated Depreciation 5,009us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CamdenMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CamdenMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1993 (A)    
N. Charleston, SC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 911us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NCharlestonOneMember
   
Buildings & Improvements, Initial Cost 11,346us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NCharlestonOneMember
   
Improvements, Initial Cost 1us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NCharlestonOneMember
   
Land, Total Cost 1,081us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NCharlestonOneMember
   
Buildings & Improvements, Total Cost 16,996us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NCharlestonOneMember
   
Total Cost 18,077us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NCharlestonOneMember
   
Accumulated Depreciation 11,302us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NCharlestonOneMember
   
Total Cost, Net of Accumulated Depreciation 6,775us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NCharlestonOneMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NCharlestonOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1993 (A)    
Mt. Pleasant, SC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 2,430us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MtPleasantMember
   
Buildings & Improvements, Initial Cost 10,470us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MtPleasantMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MtPleasantMember
   
Land, Total Cost 2,364us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MtPleasantMember
   
Buildings & Improvements, Total Cost 21,519us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MtPleasantMember
   
Total Cost 23,883us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MtPleasantMember
   
Accumulated Depreciation 11,531us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MtPleasantMember
   
Total Cost, Net of Accumulated Depreciation 12,352us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MtPleasantMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MtPleasantMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1995 (A)    
Sault St. Marie, MI [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 1,826us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SaultStMarieMember
   
Buildings & Improvements, Initial Cost 13,710us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SaultStMarieMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SaultStMarieMember
   
Land, Total Cost 1,826us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SaultStMarieMember
   
Buildings & Improvements, Total Cost 20,646us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SaultStMarieMember
   
Total Cost 22,472us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SaultStMarieMember
   
Accumulated Depreciation 10,810us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SaultStMarieMember
   
Total Cost, Net of Accumulated Depreciation 11,662us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SaultStMarieMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SaultStMarieMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1994 (A)    
Grand Rapids, MI [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 3,380us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GrandRapidsOneMember
   
Buildings & Improvements, Initial Cost 17,323us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GrandRapidsOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GrandRapidsOneMember
   
Land, Total Cost 3,380us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GrandRapidsOneMember
   
Buildings & Improvements, Total Cost 25,656us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GrandRapidsOneMember
   
Total Cost 29,036us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GrandRapidsOneMember
   
Accumulated Depreciation 12,579us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GrandRapidsOneMember
   
Total Cost, Net of Accumulated Depreciation 16,457us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GrandRapidsOneMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GrandRapidsOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1995 (A)    
Meridian, ID [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 24,591us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MeridianMember
   
Buildings & Improvements, Initial Cost 31,779us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MeridianMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MeridianMember
   
Land, Total Cost 24,841us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MeridianMember
   
Buildings & Improvements, Total Cost 63,276us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MeridianMember
   
Total Cost 88,117us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MeridianMember
   
Accumulated Depreciation 23,340us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MeridianMember
   
Total Cost, Net of Accumulated Depreciation 64,777us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MeridianMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MeridianMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2001 (C)    
Birmingham, AL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 10,573us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BirminghamOneMember
   
Buildings & Improvements, Initial Cost 26,002us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BirminghamOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BirminghamOneMember
   
Land, Total Cost 11,434us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BirminghamOneMember
   
Buildings & Improvements, Total Cost 56,051us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BirminghamOneMember
   
Total Cost 67,485us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BirminghamOneMember
   
Accumulated Depreciation 26,626us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BirminghamOneMember
   
Total Cost, Net of Accumulated Depreciation 40,859us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BirminghamOneMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BirminghamOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1994 (A)    
Valencia, CA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ValenciaMember
   
Buildings & Improvements, Initial Cost 15,784us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ValenciaMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ValenciaMember
   
Land, Total Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ValenciaMember
   
Buildings & Improvements, Total Cost 18,015us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ValenciaMember
   
Total Cost 18,015us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ValenciaMember
   
Accumulated Depreciation 5,245us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ValenciaMember
   
Total Cost, Net of Accumulated Depreciation 12,770us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ValenciaMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ValenciaMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2006 (A)    
Mooresville, NC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 14,369us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MooresvilleMember
   
Buildings & Improvements, Initial Cost 43,688us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MooresvilleMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MooresvilleMember
   
Land, Total Cost 14,369us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MooresvilleMember
   
Buildings & Improvements, Total Cost 46,845us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MooresvilleMember
   
Total Cost 61,214us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MooresvilleMember
   
Accumulated Depreciation 15,642us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MooresvilleMember
   
Total Cost, Net of Accumulated Depreciation 45,572us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MooresvilleMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MooresvilleMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004 (A)    
Wilmington, NC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 4,287us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WilmingtonMember
   
Buildings & Improvements, Initial Cost 16,852us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WilmingtonMember
   
Improvements, Initial Cost 1,183us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WilmingtonMember
   
Land, Total Cost 4,287us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WilmingtonMember
   
Buildings & Improvements, Total Cost 35,326us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WilmingtonMember
   
Total Cost 39,613us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WilmingtonMember
   
Accumulated Depreciation 22,778us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WilmingtonMember
   
Total Cost, Net of Accumulated Depreciation 16,835us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WilmingtonMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WilmingtonMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1989 (C)    
Spring Hill, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 1,084us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringHillMember
   
Buildings & Improvements, Initial Cost 4,816us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringHillMember
   
Improvements, Initial Cost 266us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringHillMember
   
Land, Total Cost 2,096us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringHillMember
   
Buildings & Improvements, Total Cost 11,959us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringHillMember
   
Total Cost 14,055us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringHillMember
   
Accumulated Depreciation 7,626us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringHillMember
   
Total Cost, Net of Accumulated Depreciation 6,429us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringHillMember
   
Encumbrances 2,578us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringHillMember
   
Depreciable Lives (Years) 30 years    
Date of Construction (C) Acquisition (A) 1988 (C)    
Centennial, CO [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 7,833us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CentennialMember
   
Buildings & Improvements, Initial Cost 35,550us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CentennialMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CentennialMember
   
Land, Total Cost 8,082us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CentennialMember
   
Buildings & Improvements, Total Cost 64,158us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CentennialMember
   
Total Cost 72,240us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CentennialMember
   
Accumulated Depreciation 30,301us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CentennialMember
   
Total Cost, Net of Accumulated Depreciation 41,939us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CentennialMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CentennialMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1997 (C)    
New Bern, NC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 441us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewBernMember
   
Buildings & Improvements, Initial Cost 6,575us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewBernMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewBernMember
   
Land, Total Cost 441us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewBernMember
   
Buildings & Improvements, Total Cost 7,166us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewBernMember
   
Total Cost 7,607us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewBernMember
   
Accumulated Depreciation 4,331us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewBernMember
   
Total Cost, Net of Accumulated Depreciation 3,276us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewBernMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewBernMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1989 (C)    
Princeton, NJ [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 13,448us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PrincetonOneMember
   
Buildings & Improvements, Initial Cost 74,249us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PrincetonOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PrincetonOneMember
   
Land, Total Cost 14,464us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PrincetonOneMember
   
Buildings & Improvements, Total Cost 98,418us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PrincetonOneMember
   
Total Cost 112,882us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PrincetonOneMember
   
Accumulated Depreciation 44,054us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PrincetonOneMember
   
Total Cost, Net of Accumulated Depreciation 68,828us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PrincetonOneMember
   
Encumbrances 57,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PrincetonOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1997 (A)    
Phoenix, AZ [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 15,352us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixOneMember
   
Buildings & Improvements, Initial Cost 22,813us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixOneMember
   
Improvements, Initial Cost 1,601us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixOneMember
   
Land, Total Cost 15,352us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixOneMember
   
Buildings & Improvements, Total Cost 27,054us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixOneMember
   
Total Cost 42,406us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixOneMember
   
Accumulated Depreciation 13,733us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixOneMember
   
Total Cost, Net of Accumulated Depreciation 28,673us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixOneMember
   
Encumbrances 30,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003 (A)    
Russellville, AR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 606us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RussellvilleMember
   
Buildings & Improvements, Initial Cost 13,391us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RussellvilleMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RussellvilleMember
   
Land, Total Cost 606us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RussellvilleMember
   
Buildings & Improvements, Total Cost 21,104us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RussellvilleMember
   
Total Cost 21,710us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RussellvilleMember
   
Accumulated Depreciation 10,272us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RussellvilleMember
   
Total Cost, Net of Accumulated Depreciation 11,438us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RussellvilleMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RussellvilleMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1994 (A)    
N. Little Rock, AR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 907us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NLittleRockMember
   
Buildings & Improvements, Initial Cost 17,160us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NLittleRockMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NLittleRockMember
   
Land, Total Cost 907us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NLittleRockMember
   
Buildings & Improvements, Total Cost 21,545us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NLittleRockMember
   
Total Cost 22,452us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NLittleRockMember
   
Accumulated Depreciation 11,014us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NLittleRockMember
   
Total Cost, Net of Accumulated Depreciation 11,438us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NLittleRockMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NLittleRockMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1994 (A)    
Littleton, CO [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 12,249us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LittletonMember
   
Buildings & Improvements, Initial Cost 50,709us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LittletonMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LittletonMember
   
Land, Total Cost 12,621us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LittletonMember
   
Buildings & Improvements, Total Cost 70,677us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LittletonMember
   
Total Cost 83,298us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LittletonMember
   
Accumulated Depreciation 23,803us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LittletonMember
   
Total Cost, Net of Accumulated Depreciation 59,495us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LittletonMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LittletonMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2002 (C)    
San Antonio, TX [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 3,475us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioTwoMember
   
Buildings & Improvements, Initial Cost 37,327us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioTwoMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioTwoMember
   
Land, Total Cost 4,873us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioTwoMember
   
Buildings & Improvements, Total Cost 49,959us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioTwoMember
   
Total Cost 54,832us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioTwoMember
   
Accumulated Depreciation 16,962us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioTwoMember
   
Total Cost, Net of Accumulated Depreciation 37,870us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioTwoMember
   
Encumbrances 24,800us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioTwoMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2002 (C)    
Denver, CO [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 1,141us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DenverOneMember
   
Buildings & Improvements, Initial Cost 3,593us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DenverOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DenverOneMember
   
Land, Total Cost 1,141us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DenverOneMember
   
Buildings & Improvements, Total Cost 6,540us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DenverOneMember
   
Total Cost 7,681us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DenverOneMember
   
Accumulated Depreciation 1,523us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DenverOneMember
   
Total Cost, Net of Accumulated Depreciation 6,158us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DenverOneMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DenverOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2001 (A)    
Dublin, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 3,609us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DublinMember
   
Buildings & Improvements, Initial Cost 11,546us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DublinMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DublinMember
   
Land, Total Cost 3,609us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DublinMember
   
Buildings & Improvements, Total Cost 15,065us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DublinMember
   
Total Cost 18,674us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DublinMember
   
Accumulated Depreciation 7,180us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DublinMember
   
Total Cost, Net of Accumulated Depreciation 11,494us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DublinMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DublinMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1998 (A)    
Columbus, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 11,087us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbusTwoMember
   
Buildings & Improvements, Initial Cost 44,494us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbusTwoMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbusTwoMember
   
Land, Total Cost 12,243us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbusTwoMember
   
Buildings & Improvements, Total Cost 59,787us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbusTwoMember
   
Total Cost 72,030us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbusTwoMember
   
Accumulated Depreciation 28,305us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbusTwoMember
   
Total Cost, Net of Accumulated Depreciation 43,725us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbusTwoMember
   
Encumbrances 50,200us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbusTwoMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1998 (A)    
Freehold, NJ [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 2,460us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FreeholdMember
   
Buildings & Improvements, Initial Cost 2,475us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FreeholdMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FreeholdMember
   
Land, Total Cost 3,166us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FreeholdMember
   
Buildings & Improvements, Total Cost 3,322us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FreeholdMember
   
Total Cost 6,488us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FreeholdMember
   
Accumulated Depreciation 646us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FreeholdMember
   
Total Cost, Net of Accumulated Depreciation 5,842us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FreeholdMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FreeholdMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2005 (C)    
Jackson, MS [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 4,190us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_JacksonMember
   
Buildings & Improvements, Initial Cost 6,783us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_JacksonMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_JacksonMember
   
Land, Total Cost 4,190us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_JacksonMember
   
Buildings & Improvements, Total Cost 7,613us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_JacksonMember
   
Total Cost 11,803us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_JacksonMember
   
Accumulated Depreciation 2,856us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_JacksonMember
   
Total Cost, Net of Accumulated Depreciation 8,947us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_JacksonMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_JacksonMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003 (A)    
Tallahassee, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 1,881us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TallahasseeMember
   
Buildings & Improvements, Initial Cost 2,956us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TallahasseeMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TallahasseeMember
   
Land, Total Cost 1,881us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TallahasseeMember
   
Buildings & Improvements, Total Cost 7,461us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TallahasseeMember
   
Total Cost 9,342us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TallahasseeMember
   
Accumulated Depreciation 2,684us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TallahasseeMember
   
Total Cost, Net of Accumulated Depreciation 6,658us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TallahasseeMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TallahasseeMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003 (A)    
Cumming, GA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 14,249us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CummingMember
   
Buildings & Improvements, Initial Cost 23,653us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CummingMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CummingMember
   
Land, Total Cost 14,249us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CummingMember
   
Buildings & Improvements, Total Cost 25,584us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CummingMember
   
Total Cost 39,833us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CummingMember
   
Accumulated Depreciation 9,842us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CummingMember
   
Total Cost, Net of Accumulated Depreciation 29,991us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CummingMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CummingMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003 (A)    
Douglasville, GA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 3,540us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DouglasvilleMember
   
Buildings & Improvements, Initial Cost 9,625us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DouglasvilleMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DouglasvilleMember
   
Land, Total Cost 3,540us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DouglasvilleMember
   
Buildings & Improvements, Total Cost 9,930us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DouglasvilleMember
   
Total Cost 13,470us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DouglasvilleMember
   
Accumulated Depreciation 3,951us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DouglasvilleMember
   
Total Cost, Net of Accumulated Depreciation 9,519us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DouglasvilleMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DouglasvilleMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003 (A)    
Columbus, GA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 4,220us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbusMember
   
Buildings & Improvements, Initial Cost 8,159us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbusMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbusMember
   
Land, Total Cost 4,220us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbusMember
   
Buildings & Improvements, Total Cost 10,474us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbusMember
   
Total Cost 14,694us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbusMember
   
Accumulated Depreciation 4,207us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbusMember
   
Total Cost, Net of Accumulated Depreciation 10,487us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbusMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbusMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003 (A)    
Newnan, GA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 2,858us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewnanMember
   
Buildings & Improvements, Initial Cost 15,248us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewnanMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewnanMember
   
Land, Total Cost 2,651us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewnanMember
   
Buildings & Improvements, Total Cost 15,776us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewnanMember
   
Total Cost 18,427us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewnanMember
   
Accumulated Depreciation 4,743us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewnanMember
   
Total Cost, Net of Accumulated Depreciation 13,684us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewnanMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewnanMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003 (A)    
Warner Robins, GA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 5,729us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WarnerRobinsMember
   
Buildings & Improvements, Initial Cost 7,459us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WarnerRobinsMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WarnerRobinsMember
   
Land, Total Cost 5,729us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WarnerRobinsMember
   
Buildings & Improvements, Total Cost 8,005us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WarnerRobinsMember
   
Total Cost 13,734us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WarnerRobinsMember
   
Accumulated Depreciation 3,221us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WarnerRobinsMember
   
Total Cost, Net of Accumulated Depreciation 10,513us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WarnerRobinsMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WarnerRobinsMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003 (A)    
Fayetteville, NC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 8,524us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FayettevilleMember
   
Buildings & Improvements, Initial Cost 10,627us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FayettevilleMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FayettevilleMember
   
Land, Total Cost 8,524us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FayettevilleMember
   
Buildings & Improvements, Total Cost 14,781us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FayettevilleMember
   
Total Cost 23,305us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FayettevilleMember
   
Accumulated Depreciation 5,398us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FayettevilleMember
   
Total Cost, Net of Accumulated Depreciation 17,907us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FayettevilleMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FayettevilleMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003 (A)    
Charleston, SC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 3,479us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlestonMember
   
Buildings & Improvements, Initial Cost 9,850us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlestonMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlestonMember
   
Land, Total Cost 3,479us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlestonMember
   
Buildings & Improvements, Total Cost 19,159us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlestonMember
   
Total Cost 22,638us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlestonMember
   
Accumulated Depreciation 9,306us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlestonMember
   
Total Cost, Net of Accumulated Depreciation 13,332us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlestonMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlestonMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003 (A)    
Denver, CO [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 20,733us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DenverMember
   
Buildings & Improvements, Initial Cost 22,818us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DenverMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DenverMember
   
Land, Total Cost 20,804us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DenverMember
   
Buildings & Improvements, Total Cost 26,071us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DenverMember
   
Total Cost 46,875us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DenverMember
   
Accumulated Depreciation 9,960us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DenverMember
   
Total Cost, Net of Accumulated Depreciation 36,915us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DenverMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DenverMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003 (A)    
Chattanooga, TN [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 1,845us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChattanoogaMember
   
Buildings & Improvements, Initial Cost 13,214us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChattanoogaMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChattanoogaMember
   
Land, Total Cost 1,845us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChattanoogaMember
   
Buildings & Improvements, Total Cost 17,732us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChattanoogaMember
   
Total Cost 19,577us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChattanoogaMember
   
Accumulated Depreciation 7,091us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChattanoogaMember
   
Total Cost, Net of Accumulated Depreciation 12,486us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChattanoogaMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChattanoogaMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003 (A)    
Hendersonville, TN [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 3,249us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HendersonvilleMember
   
Buildings & Improvements, Initial Cost 9,068us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HendersonvilleMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HendersonvilleMember
   
Land, Total Cost 3,249us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HendersonvilleMember
   
Buildings & Improvements, Total Cost 9,123us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HendersonvilleMember
   
Total Cost 12,372us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HendersonvilleMember
   
Accumulated Depreciation 3,563us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HendersonvilleMember
   
Total Cost, Net of Accumulated Depreciation 8,809us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HendersonvilleMember
   
Encumbrances 4,055us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HendersonvilleMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003 (A)    
Johnson City, TN [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_JohnsonCityMember
   
Buildings & Improvements, Initial Cost 521us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_JohnsonCityMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_JohnsonCityMember
   
Land, Total Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_JohnsonCityMember
   
Buildings & Improvements, Total Cost 3,886us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_JohnsonCityMember
   
Total Cost 3,886us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_JohnsonCityMember
   
Accumulated Depreciation 600us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_JohnsonCityMember
   
Total Cost, Net of Accumulated Depreciation 3,286us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_JohnsonCityMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_JohnsonCityMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003 (A)    
Chester, VA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 10,780us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChesterMember
   
Buildings & Improvements, Initial Cost 4,752us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChesterMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChesterMember
   
Land, Total Cost 10,780us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChesterMember
   
Buildings & Improvements, Total Cost 10,903us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChesterMember
   
Total Cost 21,683us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChesterMember
   
Accumulated Depreciation 4,419us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChesterMember
   
Total Cost, Net of Accumulated Depreciation 17,264us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChesterMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChesterMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003 (A)    
Suwanee, GA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 13,479us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SuwaneeMember
   
Buildings & Improvements, Initial Cost 23,923us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SuwaneeMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SuwaneeMember
   
Land, Total Cost 13,335us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SuwaneeMember
   
Buildings & Improvements, Total Cost 32,800us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SuwaneeMember
   
Total Cost 46,135us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SuwaneeMember
   
Accumulated Depreciation 11,767us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SuwaneeMember
   
Total Cost, Net of Accumulated Depreciation 34,368us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SuwaneeMember
   
Encumbrances 24,470us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SuwaneeMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003 (A)    
West Allis, WI [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 2,371us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestAllisMember
   
Buildings & Improvements, Initial Cost 10,982us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestAllisMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestAllisMember
   
Land, Total Cost 1,703us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestAllisMember
   
Buildings & Improvements, Total Cost 12,267us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestAllisMember
   
Total Cost 13,970us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestAllisMember
   
Accumulated Depreciation 4,533us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestAllisMember
   
Total Cost, Net of Accumulated Depreciation 9,437us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestAllisMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestAllisMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003 (A)    
Orland Park, IL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 10,430us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OrlandParkMember
   
Buildings & Improvements, Initial Cost 13,081us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OrlandParkMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OrlandParkMember
   
Land, Total Cost 10,430us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OrlandParkMember
   
Buildings & Improvements, Total Cost 13,953us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OrlandParkMember
   
Total Cost 24,383us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OrlandParkMember
   
Accumulated Depreciation 4,694us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OrlandParkMember
   
Total Cost, Net of Accumulated Depreciation 19,689us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OrlandParkMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OrlandParkMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004 (A)    
Louisville, KY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 4,180us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LouisvilleMember
   
Buildings & Improvements, Initial Cost 747us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LouisvilleMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LouisvilleMember
   
Land, Total Cost 4,288us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LouisvilleMember
   
Buildings & Improvements, Total Cost 2,124us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LouisvilleMember
   
Total Cost 6,412us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LouisvilleMember
   
Accumulated Depreciation 781us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LouisvilleMember
   
Total Cost, Net of Accumulated Depreciation 5,631us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LouisvilleMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LouisvilleMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004 (A)    
West Long Branch, NJ [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 14,131us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestLongBranchMember
   
Buildings & Improvements, Initial Cost 51,982us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestLongBranchMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestLongBranchMember
   
Land, Total Cost 14,131us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestLongBranchMember
   
Buildings & Improvements, Total Cost 58,010us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestLongBranchMember
   
Total Cost 72,141us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestLongBranchMember
   
Accumulated Depreciation 19,228us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestLongBranchMember
   
Total Cost, Net of Accumulated Depreciation 52,913us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestLongBranchMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestLongBranchMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004 (A)    
Mays Landing, NJ [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 49,033us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MaysLandingOneMember
   
Buildings & Improvements, Initial Cost 107,230us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MaysLandingOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MaysLandingOneMember
   
Land, Total Cost 49,033us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MaysLandingOneMember
   
Buildings & Improvements, Total Cost 115,373us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MaysLandingOneMember
   
Total Cost 164,406us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MaysLandingOneMember
   
Accumulated Depreciation 40,498us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MaysLandingOneMember
   
Total Cost, Net of Accumulated Depreciation 123,908us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MaysLandingOneMember
   
Encumbrances 60,757us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MaysLandingOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004 (A)    
Toledo, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 1,316us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ToledoMember
   
Buildings & Improvements, Initial Cost 3,961us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ToledoMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ToledoMember
   
Land, Total Cost 928us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ToledoMember
   
Buildings & Improvements, Total Cost 3,143us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ToledoMember
   
Total Cost 4,071us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ToledoMember
   
Accumulated Depreciation 1,324us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ToledoMember
   
Total Cost, Net of Accumulated Depreciation 2,747us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ToledoMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ToledoMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004 (A)    
Mays Landing, NJ [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 36,224us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MaysLandingTwoMember
   
Buildings & Improvements, Initial Cost 56,949us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MaysLandingTwoMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MaysLandingTwoMember
   
Land, Total Cost 36,224us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MaysLandingTwoMember
   
Buildings & Improvements, Total Cost 62,535us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MaysLandingTwoMember
   
Total Cost 98,759us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MaysLandingTwoMember
   
Accumulated Depreciation 21,620us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MaysLandingTwoMember
   
Total Cost, Net of Accumulated Depreciation 77,139us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MaysLandingTwoMember
   
Encumbrances 1,446us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MaysLandingTwoMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004 (A)    
Ashtabula, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 1,444us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AshtabulaMember
   
Buildings & Improvements, Initial Cost 9,912us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AshtabulaMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AshtabulaMember
   
Land, Total Cost 107us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AshtabulaMember
   
Buildings & Improvements, Total Cost 3,567us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AshtabulaMember
   
Total Cost 3,674us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AshtabulaMember
   
Accumulated Depreciation 3,074us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AshtabulaMember
   
Total Cost, Net of Accumulated Depreciation 600us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AshtabulaMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AshtabulaMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004 (A)    
Horseheads, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 829us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HorseheadsMember
   
Buildings & Improvements, Initial Cost 3,630us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HorseheadsMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HorseheadsMember
   
Land, Total Cost 6,061us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HorseheadsMember
   
Buildings & Improvements, Total Cost 35,062us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HorseheadsMember
   
Total Cost 41,123us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HorseheadsMember
   
Accumulated Depreciation 5,855us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HorseheadsMember
   
Total Cost, Net of Accumulated Depreciation 35,268us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HorseheadsMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HorseheadsMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2008 (C)    
West Seneca, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 2,929us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestSenecaOneMember
   
Buildings & Improvements, Initial Cost 12,926us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestSenecaOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestSenecaOneMember
   
Land, Total Cost 2,929us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestSenecaOneMember
   
Buildings & Improvements, Total Cost 13,193us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestSenecaOneMember
   
Total Cost 16,122us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestSenecaOneMember
   
Accumulated Depreciation 4,532us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestSenecaOneMember
   
Total Cost, Net of Accumulated Depreciation 11,590us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestSenecaOneMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WestSenecaOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004 (A)    
Amherst, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AmherstMember
   
Buildings & Improvements, Initial Cost 28,331us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AmherstMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AmherstMember
   
Land, Total Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AmherstMember
   
Buildings & Improvements, Total Cost 25,902us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AmherstMember
   
Total Cost 25,902us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AmherstMember
   
Accumulated Depreciation 11,610us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AmherstMember
   
Total Cost, Net of Accumulated Depreciation 14,292us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AmherstMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AmherstMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004 (A)    
Ithaca, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 9,198us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IthacaMember
   
Buildings & Improvements, Initial Cost 42,969us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IthacaMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IthacaMember
   
Land, Total Cost 9,198us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IthacaMember
   
Buildings & Improvements, Total Cost 44,425us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IthacaMember
   
Total Cost 53,623us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IthacaMember
   
Accumulated Depreciation 15,052us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IthacaMember
   
Total Cost, Net of Accumulated Depreciation 38,571us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IthacaMember
   
Encumbrances 6,579us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IthacaMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004 (A)    
Hamburg, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 2,565us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamburgOneMember
   
Buildings & Improvements, Initial Cost 9,238us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamburgOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamburgOneMember
   
Land, Total Cost 2,565us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamburgOneMember
   
Buildings & Improvements, Total Cost 10,748us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamburgOneMember
   
Total Cost 13,313us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamburgOneMember
   
Accumulated Depreciation 1,952us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamburgOneMember
   
Total Cost, Net of Accumulated Depreciation 11,361us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamburgOneMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamburgOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004 (A)    
Hamburg, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 6,598us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamburgTwoMember
   
Buildings & Improvements, Initial Cost 31,853us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamburgTwoMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamburgTwoMember
   
Land, Total Cost 6,598us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamburgTwoMember
   
Buildings & Improvements, Total Cost 35,191us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamburgTwoMember
   
Total Cost 41,789us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamburgTwoMember
   
Accumulated Depreciation 11,901us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamburgTwoMember
   
Total Cost, Net of Accumulated Depreciation 29,888us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamburgTwoMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamburgTwoMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004 (A)    
Hamburg, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 4,152us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamburgThreeMember
   
Buildings & Improvements, Initial Cost 22,075us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamburgThreeMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamburgThreeMember
   
Land, Total Cost 4,152us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamburgThreeMember
   
Buildings & Improvements, Total Cost 22,792us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamburgThreeMember
   
Total Cost 26,944us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamburgThreeMember
   
Accumulated Depreciation 7,843us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamburgThreeMember
   
Total Cost, Net of Accumulated Depreciation 19,101us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamburgThreeMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamburgThreeMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004 (A)    
Olean, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 8,834us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OleanMember
   
Buildings & Improvements, Initial Cost 29,813us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OleanMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OleanMember
   
Land, Total Cost 8,844us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OleanMember
   
Buildings & Improvements, Total Cost 32,090us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OleanMember
   
Total Cost 40,934us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OleanMember
   
Accumulated Depreciation 11,132us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OleanMember
   
Total Cost, Net of Accumulated Depreciation 29,802us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OleanMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OleanMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004 (A)    
Big Flats, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 22,229us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BigFlatsMember
   
Buildings & Improvements, Initial Cost 52,579us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BigFlatsMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BigFlatsMember
   
Land, Total Cost 22,279us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BigFlatsMember
   
Buildings & Improvements, Total Cost 58,634us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BigFlatsMember
   
Total Cost 80,913us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BigFlatsMember
   
Accumulated Depreciation 20,248us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BigFlatsMember
   
Total Cost, Net of Accumulated Depreciation 60,665us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BigFlatsMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BigFlatsMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004 (A)    
Williamsville, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 5,021us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WilliamsvilleMember
   
Buildings & Improvements, Initial Cost 6,768us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WilliamsvilleMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WilliamsvilleMember
   
Land, Total Cost 5,021us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WilliamsvilleMember
   
Buildings & Improvements, Total Cost 8,859us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WilliamsvilleMember
   
Total Cost 13,880us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WilliamsvilleMember
   
Accumulated Depreciation 3,728us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WilliamsvilleMember
   
Total Cost, Net of Accumulated Depreciation 10,152us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WilliamsvilleMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WilliamsvilleMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004 (A)    
Buffalo, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 6,010us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BuffaloOneMember
   
Buildings & Improvements, Initial Cost 19,044us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BuffaloOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BuffaloOneMember
   
Land, Total Cost 4,369us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BuffaloOneMember
   
Buildings & Improvements, Total Cost 15,255us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BuffaloOneMember
   
Total Cost 19,624us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BuffaloOneMember
   
Accumulated Depreciation 6,098us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BuffaloOneMember
   
Total Cost, Net of Accumulated Depreciation 13,526us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BuffaloOneMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BuffaloOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004 (A)    
Lockport, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 9,253us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LockportMember
   
Buildings & Improvements, Initial Cost 23,829us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LockportMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LockportMember
   
Land, Total Cost 9,253us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LockportMember
   
Buildings & Improvements, Total Cost 25,522us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LockportMember
   
Total Cost 34,775us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LockportMember
   
Accumulated Depreciation 8,337us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LockportMember
   
Total Cost, Net of Accumulated Depreciation 26,438us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LockportMember
   
Encumbrances 1,941us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LockportMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004 (A)    
Buffalo, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 3,568us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BuffaloTwoMember
   
Buildings & Improvements, Initial Cost 29,001us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BuffaloTwoMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BuffaloTwoMember
   
Land, Total Cost 3,620us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BuffaloTwoMember
   
Buildings & Improvements, Total Cost 30,342us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BuffaloTwoMember
   
Total Cost 33,962us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BuffaloTwoMember
   
Accumulated Depreciation 10,233us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BuffaloTwoMember
   
Total Cost, Net of Accumulated Depreciation 23,729us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BuffaloTwoMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BuffaloTwoMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004 (A)    
Cheektowaga, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 15,471us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CheektowagaOneMember
   
Buildings & Improvements, Initial Cost 25,600us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CheektowagaOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CheektowagaOneMember
   
Land, Total Cost 15,471us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CheektowagaOneMember
   
Buildings & Improvements, Total Cost 27,319us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CheektowagaOneMember
   
Total Cost 42,790us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CheektowagaOneMember
   
Accumulated Depreciation 10,217us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CheektowagaOneMember
   
Total Cost, Net of Accumulated Depreciation 32,573us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CheektowagaOneMember
   
Encumbrances 1,574us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CheektowagaOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004 (A)    
New Hartford, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 1,279us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewHartfordMember
   
Buildings & Improvements, Initial Cost 13,685us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewHartfordMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewHartfordMember
   
Land, Total Cost 1,053us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewHartfordMember
   
Buildings & Improvements, Total Cost 12,139us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewHartfordMember
   
Total Cost 13,192us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewHartfordMember
   
Accumulated Depreciation 4,690us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewHartfordMember
   
Total Cost, Net of Accumulated Depreciation 8,502us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewHartfordMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewHartfordMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004 (A)    
Gates, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 9,369us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GatesMember
   
Buildings & Improvements, Initial Cost 40,672us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GatesMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GatesMember
   
Land, Total Cost 9,369us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GatesMember
   
Buildings & Improvements, Total Cost 42,409us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GatesMember
   
Total Cost 51,778us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GatesMember
   
Accumulated Depreciation 14,934us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GatesMember
   
Total Cost, Net of Accumulated Depreciation 36,844us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GatesMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GatesMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004 (A)    
Rome, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 4,565us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RomeMember
   
Buildings & Improvements, Initial Cost 5,078us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RomeMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RomeMember
   
Land, Total Cost 4,565us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RomeMember
   
Buildings & Improvements, Total Cost 9,416us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RomeMember
   
Total Cost 13,981us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RomeMember
   
Accumulated Depreciation 3,021us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RomeMember
   
Total Cost, Net of Accumulated Depreciation 10,960us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RomeMember
   
Encumbrances 775us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RomeMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004 (A)    
Niskayuna, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 20,297us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NiskayunaMember
   
Buildings & Improvements, Initial Cost 51,155us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NiskayunaMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NiskayunaMember
   
Land, Total Cost 20,297us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NiskayunaMember
   
Buildings & Improvements, Total Cost 52,778us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NiskayunaMember
   
Total Cost 73,075us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NiskayunaMember
   
Accumulated Depreciation 18,452us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NiskayunaMember
   
Total Cost, Net of Accumulated Depreciation 54,623us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NiskayunaMember
   
Encumbrances 9,771us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NiskayunaMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004 (A)    
Allentown, PA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 5,558us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AllentownOneMember
   
Buildings & Improvements, Initial Cost 20,060us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AllentownOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AllentownOneMember
   
Land, Total Cost 5,558us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AllentownOneMember
   
Buildings & Improvements, Total Cost 23,340us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AllentownOneMember
   
Total Cost 28,898us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AllentownOneMember
   
Accumulated Depreciation 8,509us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AllentownOneMember
   
Total Cost, Net of Accumulated Depreciation 20,389us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AllentownOneMember
   
Encumbrances 10,009us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AllentownOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003 (A)    
Ft. Collins, CO [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 1,129us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FtCollinsMember
   
Buildings & Improvements, Initial Cost 2,054us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FtCollinsMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FtCollinsMember
   
Land, Total Cost 1,129us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FtCollinsMember
   
Buildings & Improvements, Total Cost 4,581us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FtCollinsMember
   
Total Cost 5,710us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FtCollinsMember
   
Accumulated Depreciation 1,686us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FtCollinsMember
   
Total Cost, Net of Accumulated Depreciation 4,024us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FtCollinsMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FtCollinsMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003 (A)    
Hamilton, NJ [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 8,039us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamiltonOneMember
   
Buildings & Improvements, Initial Cost 49,896us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamiltonOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamiltonOneMember
   
Land, Total Cost 11,774us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamiltonOneMember
   
Buildings & Improvements, Total Cost 85,739us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamiltonOneMember
   
Total Cost 97,513us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamiltonOneMember
   
Accumulated Depreciation 28,979us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamiltonOneMember
   
Total Cost, Net of Accumulated Depreciation 68,534us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamiltonOneMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamiltonOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003 (A)    
Lansing, MI [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 1,598us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LansingMember
   
Buildings & Improvements, Initial Cost 6,999us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LansingMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LansingMember
   
Land, Total Cost 2,094us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LansingMember
   
Buildings & Improvements, Total Cost 17,165us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LansingMember
   
Total Cost 19,259us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LansingMember
   
Accumulated Depreciation 4,423us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LansingMember
   
Total Cost, Net of Accumulated Depreciation 14,836us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LansingMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LansingMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003 (A)    
San Antonio, TX [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 1,613us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioThreeMember
   
Buildings & Improvements, Initial Cost 10,791us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioThreeMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioThreeMember
   
Land, Total Cost 6,168us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioThreeMember
   
Buildings & Improvements, Total Cost 71,987us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioThreeMember
   
Total Cost 78,155us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioThreeMember
   
Accumulated Depreciation 13,909us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioThreeMember
   
Total Cost, Net of Accumulated Depreciation 64,246us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioThreeMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioThreeMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (C)    
San Antonio, TX [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 2,381us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioFourMember
   
Buildings & Improvements, Initial Cost 6,487us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioFourMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioFourMember
   
Land, Total Cost 2,381us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioFourMember
   
Buildings & Improvements, Total Cost 22,606us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioFourMember
   
Total Cost 24,987us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioFourMember
   
Accumulated Depreciation 5,704us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioFourMember
   
Total Cost, Net of Accumulated Depreciation 19,283us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioFourMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SanAntonioFourMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Kyle, TX [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 2,548us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_KyleMember
   
Buildings & Improvements, Initial Cost 7,349us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_KyleMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_KyleMember
   
Land, Total Cost 6,236us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_KyleMember
   
Buildings & Improvements, Total Cost 21,116us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_KyleMember
   
Total Cost 27,352us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_KyleMember
   
Accumulated Depreciation 2,409us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_KyleMember
   
Total Cost, Net of Accumulated Depreciation 24,943us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_KyleMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_KyleMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2009 (C)    
Brandon, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 4,775us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrandonOneMember
   
Buildings & Improvements, Initial Cost 13,117us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrandonOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrandonOneMember
   
Land, Total Cost 4,775us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrandonOneMember
   
Buildings & Improvements, Total Cost 17,153us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrandonOneMember
   
Total Cost 21,928us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrandonOneMember
   
Accumulated Depreciation 2,412us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrandonOneMember
   
Total Cost, Net of Accumulated Depreciation 19,516us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrandonOneMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrandonOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2009 (A)    
Atlanta, GA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 14,078us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AtlantaMember
   
Buildings & Improvements, Initial Cost 41,050us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AtlantaMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AtlantaMember
   
Land, Total Cost 14,078us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AtlantaMember
   
Buildings & Improvements, Total Cost 42,215us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AtlantaMember
   
Total Cost 56,293us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AtlantaMember
   
Accumulated Depreciation 6,916us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AtlantaMember
   
Total Cost, Net of Accumulated Depreciation 49,377us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AtlantaMember
   
Encumbrances 43,300us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AtlantaMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2009 (A)    
Marietta, GA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 8,425us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MariettaMember
   
Buildings & Improvements, Initial Cost 27,737us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MariettaMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MariettaMember
   
Land, Total Cost 8,425us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MariettaMember
   
Buildings & Improvements, Total Cost 28,197us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MariettaMember
   
Total Cost 36,622us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MariettaMember
   
Accumulated Depreciation 4,808us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MariettaMember
   
Total Cost, Net of Accumulated Depreciation 31,814us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MariettaMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MariettaMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2009 (A)    
Maple Grove, MN [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 8,917us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MapleGroveMember
   
Buildings & Improvements, Initial Cost 23,954us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MapleGroveMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MapleGroveMember
   
Land, Total Cost 8,917us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MapleGroveMember
   
Buildings & Improvements, Total Cost 25,660us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MapleGroveMember
   
Total Cost 34,577us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MapleGroveMember
   
Accumulated Depreciation 3,095us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MapleGroveMember
   
Total Cost, Net of Accumulated Depreciation 31,482us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MapleGroveMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MapleGroveMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2011 (A)    
Charlotte, NC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 27,707us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteThreeMember
   
Buildings & Improvements, Initial Cost 45,021us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteThreeMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteThreeMember
   
Land, Total Cost 27,707us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteThreeMember
   
Buildings & Improvements, Total Cost 49,498us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteThreeMember
   
Total Cost 77,205us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteThreeMember
   
Accumulated Depreciation 5,544us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteThreeMember
   
Total Cost, Net of Accumulated Depreciation 71,661us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteThreeMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteThreeMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2011 (A)    
Charlotte, NC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 4,733us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteTwoMember
   
Buildings & Improvements, Initial Cost 5,424us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteTwoMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteTwoMember
   
Land, Total Cost 4,733us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteTwoMember
   
Buildings & Improvements, Total Cost 5,793us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteTwoMember
   
Total Cost 10,526us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteTwoMember
   
Accumulated Depreciation 602us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteTwoMember
   
Total Cost, Net of Accumulated Depreciation 9,924us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteTwoMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteTwoMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2011 (A)    
Colorado Springs, CO [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 4,890us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColoradoSpringsMember
   
Buildings & Improvements, Initial Cost 25,531us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColoradoSpringsMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColoradoSpringsMember
   
Land, Total Cost 4,890us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColoradoSpringsMember
   
Buildings & Improvements, Total Cost 26,068us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColoradoSpringsMember
   
Total Cost 30,958us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColoradoSpringsMember
   
Accumulated Depreciation 2,715us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColoradoSpringsMember
   
Total Cost, Net of Accumulated Depreciation 28,243us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColoradoSpringsMember
   
Encumbrances 8,548us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColoradoSpringsMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2011 (A)    
Columbus, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 18,716us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbusOneMember
   
Buildings & Improvements, Initial Cost 64,617us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbusOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbusOneMember
   
Land, Total Cost 20,666us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbusOneMember
   
Buildings & Improvements, Total Cost 69,635us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbusOneMember
   
Total Cost 90,301us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbusOneMember
   
Accumulated Depreciation 7,178us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbusOneMember
   
Total Cost, Net of Accumulated Depreciation 83,123us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbusOneMember
   
Encumbrances 43,654us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbusOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2011 (A)    
Portland, OR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 20,208us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PortlandOregonMember
   
Buildings & Improvements, Initial Cost 50,738us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PortlandOregonMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PortlandOregonMember
   
Land, Total Cost 20,208us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PortlandOregonMember
   
Buildings & Improvements, Total Cost 51,518us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PortlandOregonMember
   
Total Cost 71,726us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PortlandOregonMember
   
Accumulated Depreciation 4,921us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PortlandOregonMember
   
Total Cost, Net of Accumulated Depreciation 66,805us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PortlandOregonMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PortlandOregonMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2012 (A)    
Phoenix, AZ [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 15,090us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixTwoMember
   
Buildings & Improvements, Initial Cost 36,880us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixTwoMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixTwoMember
   
Land, Total Cost 15,090us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixTwoMember
   
Buildings & Improvements, Total Cost 38,529us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixTwoMember
   
Total Cost 53,619us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixTwoMember
   
Accumulated Depreciation 4,221us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixTwoMember
   
Total Cost, Net of Accumulated Depreciation 49,398us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixTwoMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixTwoMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2012 (A)    
Charlotte, NC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 3,600us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteOneMember
   
Buildings & Improvements, Initial Cost 30,392us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteOneMember
   
Land, Total Cost 3,600us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteOneMember
   
Buildings & Improvements, Total Cost 33,295us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteOneMember
   
Total Cost 36,895us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteOneMember
   
Accumulated Depreciation 1,680us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteOneMember
   
Total Cost, Net of Accumulated Depreciation 35,215us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteOneMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013 (C)    
Tucson, AZ [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 19,298us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TucsonMember
   
Buildings & Improvements, Initial Cost 94,117us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TucsonMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TucsonMember
   
Land, Total Cost 19,088us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TucsonMember
   
Buildings & Improvements, Total Cost 96,653us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TucsonMember
   
Total Cost 115,741us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TucsonMember
   
Accumulated Depreciation 8,357us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TucsonMember
   
Total Cost, Net of Accumulated Depreciation 107,384us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TucsonMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TucsonMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2012 (A)    
Phoenix, AZ [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 34,201us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixThreeMember
   
Buildings & Improvements, Initial Cost 88,475us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixThreeMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixThreeMember
   
Land, Total Cost 34,201us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixThreeMember
   
Buildings & Improvements, Total Cost 97,021us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixThreeMember
   
Total Cost 131,222us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixThreeMember
   
Accumulated Depreciation 8,392us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixThreeMember
   
Total Cost, Net of Accumulated Depreciation 122,830us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixThreeMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PhoenixThreeMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2012 (A)    
Independence, MO [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 5,011us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IndependenceMember
   
Buildings & Improvements, Initial Cost 45,752us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IndependenceMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IndependenceMember
   
Land, Total Cost 5,011us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IndependenceMember
   
Buildings & Improvements, Total Cost 46,053us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IndependenceMember
   
Total Cost 51,064us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IndependenceMember
   
Accumulated Depreciation 3,713us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IndependenceMember
   
Total Cost, Net of Accumulated Depreciation 47,351us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IndependenceMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IndependenceMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2012 (A)    
Arnold, MO [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 892us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ArnoldMember
   
Buildings & Improvements, Initial Cost 5,283us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ArnoldMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ArnoldMember
   
Land, Total Cost 892us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ArnoldMember
   
Buildings & Improvements, Total Cost 6,901us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ArnoldMember
   
Total Cost 7,793us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ArnoldMember
   
Accumulated Depreciation 500us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ArnoldMember
   
Total Cost, Net of Accumulated Depreciation 7,293us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ArnoldMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ArnoldMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2012 (A)    
Charlotte, NC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 11,224us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteNcTwoMember
   
Buildings & Improvements, Initial Cost 82,124us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteNcTwoMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteNcTwoMember
   
Land, Total Cost 11,224us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteNcTwoMember
   
Buildings & Improvements, Total Cost 85,372us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteNcTwoMember
   
Total Cost 96,596us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteNcTwoMember
   
Accumulated Depreciation 6,591us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteNcTwoMember
   
Total Cost, Net of Accumulated Depreciation 90,005us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteNcTwoMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteNcTwoMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2012 (A)    
Raleigh, NC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 3,317us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RaleighNorthCarolinaMember
   
Buildings & Improvements, Initial Cost 35,411us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RaleighNorthCarolinaMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RaleighNorthCarolinaMember
   
Land, Total Cost 3,317us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RaleighNorthCarolinaMember
   
Buildings & Improvements, Total Cost 36,141us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RaleighNorthCarolinaMember
   
Total Cost 39,458us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RaleighNorthCarolinaMember
   
Accumulated Depreciation 2,740us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RaleighNorthCarolinaMember
   
Total Cost, Net of Accumulated Depreciation 36,718us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RaleighNorthCarolinaMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RaleighNorthCarolinaMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2012 (A)    
Oakland, CA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 4,361us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OaklandMember
   
Buildings & Improvements, Initial Cost 33,538us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OaklandMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OaklandMember
   
Land, Total Cost 4,361us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OaklandMember
   
Buildings & Improvements, Total Cost 33,538us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OaklandMember
   
Total Cost 37,899us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OaklandMember
   
Accumulated Depreciation 1,999us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OaklandMember
   
Total Cost, Net of Accumulated Depreciation 35,900us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OaklandMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OaklandMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013 (A)    
Highland Village, TX [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 5,545us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HighlandVillageMember
   
Buildings & Improvements, Initial Cost 28,365us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HighlandVillageMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HighlandVillageMember
   
Land, Total Cost 5,545us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HighlandVillageMember
   
Buildings & Improvements, Total Cost 29,389us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HighlandVillageMember
   
Total Cost 34,934us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HighlandVillageMember
   
Accumulated Depreciation 1,856us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HighlandVillageMember
   
Total Cost, Net of Accumulated Depreciation 33,078us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HighlandVillageMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HighlandVillageMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013 (A)    
Tampa, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 4,124us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TampaOneMember
   
Buildings & Improvements, Initial Cost 20,082us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TampaOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TampaOneMember
   
Land, Total Cost 4,124us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TampaOneMember
   
Buildings & Improvements, Total Cost 21,248us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TampaOneMember
   
Total Cost 25,372us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TampaOneMember
   
Accumulated Depreciation 1,277us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TampaOneMember
   
Total Cost, Net of Accumulated Depreciation 24,095us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TampaOneMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TampaOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013 (A)    
Douglasville, GA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 6,812us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DouglasvilleOneMember
   
Buildings & Improvements, Initial Cost 24,645us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DouglasvilleOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DouglasvilleOneMember
   
Land, Total Cost 6,812us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DouglasvilleOneMember
   
Buildings & Improvements, Total Cost 24,926us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DouglasvilleOneMember
   
Total Cost 31,738us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DouglasvilleOneMember
   
Accumulated Depreciation 1,478us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DouglasvilleOneMember
   
Total Cost, Net of Accumulated Depreciation 30,260us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DouglasvilleOneMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DouglasvilleOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013 (A)    
Midlothian, VA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 3,507us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MidlothianMember
   
Buildings & Improvements, Initial Cost 9,229us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MidlothianMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MidlothianMember
   
Land, Total Cost 3,507us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MidlothianMember
   
Buildings & Improvements, Total Cost 9,249us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MidlothianMember
   
Total Cost 12,756us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MidlothianMember
   
Accumulated Depreciation 567us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MidlothianMember
   
Total Cost, Net of Accumulated Depreciation 12,189us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MidlothianMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MidlothianMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013 (A)    
Midlothian, VA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 4,754us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MidlothianOneMember
   
Buildings & Improvements, Initial Cost 20,273us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MidlothianOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MidlothianOneMember
   
Land, Total Cost 4,754us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MidlothianOneMember
   
Buildings & Improvements, Total Cost 21,149us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MidlothianOneMember
   
Total Cost 25,903us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MidlothianOneMember
   
Accumulated Depreciation 1,330us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MidlothianOneMember
   
Total Cost, Net of Accumulated Depreciation 24,573us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MidlothianOneMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MidlothianOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013 (A)    
Newport News, VA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 963us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewportNewsOneMember
   
Buildings & Improvements, Initial Cost 7,120us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewportNewsOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewportNewsOneMember
   
Land, Total Cost 963us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewportNewsOneMember
   
Buildings & Improvements, Total Cost 7,121us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewportNewsOneMember
   
Total Cost 8,084us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewportNewsOneMember
   
Accumulated Depreciation 466us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewportNewsOneMember
   
Total Cost, Net of Accumulated Depreciation 7,618us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewportNewsOneMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewportNewsOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013 (A)    
Cumming, GA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 6,851us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CummingOneMember
   
Buildings & Improvements, Initial Cost 49,659us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CummingOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CummingOneMember
   
Land, Total Cost 6,851us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CummingOneMember
   
Buildings & Improvements, Total Cost 49,728us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CummingOneMember
   
Total Cost 56,579us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CummingOneMember
   
Accumulated Depreciation 2,720us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CummingOneMember
   
Total Cost, Net of Accumulated Depreciation 53,859us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CummingOneMember
   
Encumbrances 33,667us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CummingOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013 (A)    
Winter Garden, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 38,945us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WinterGardenMember
   
Buildings & Improvements, Initial Cost 130,382us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WinterGardenMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WinterGardenMember
   
Land, Total Cost 38,945us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WinterGardenMember
   
Buildings & Improvements, Total Cost 130,660us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WinterGardenMember
   
Total Cost 169,605us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WinterGardenMember
   
Accumulated Depreciation 6,811us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WinterGardenMember
   
Total Cost, Net of Accumulated Depreciation 162,794us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WinterGardenMember
   
Encumbrances 103,762us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WinterGardenMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013 (A)    
Colorado Springs, CO [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 4,111us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColoradoSpringsOneMember
   
Buildings & Improvements, Initial Cost 22,140us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColoradoSpringsOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColoradoSpringsOneMember
   
Land, Total Cost 4,111us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColoradoSpringsOneMember
   
Buildings & Improvements, Total Cost 23,132us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColoradoSpringsOneMember
   
Total Cost 27,243us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColoradoSpringsOneMember
   
Accumulated Depreciation 643us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColoradoSpringsOneMember
   
Total Cost, Net of Accumulated Depreciation 26,600us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColoradoSpringsOneMember
   
Encumbrances 12,528us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColoradoSpringsOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2014 (A)    
Mason, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 2,032us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MasonOHMember
   
Buildings & Improvements, Initial Cost 23,788us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MasonOHMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MasonOHMember
   
Land, Total Cost 2,032us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MasonOHMember
   
Buildings & Improvements, Total Cost 23,796us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MasonOHMember
   
Total Cost 25,828us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MasonOHMember
   
Accumulated Depreciation 499us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MasonOHMember
   
Total Cost, Net of Accumulated Depreciation 25,329us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MasonOHMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MasonOHMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2014 (A)    
Roseville, CA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 23,574us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RosevilleCAMember
   
Buildings & Improvements, Initial Cost 67,031us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RosevilleCAMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RosevilleCAMember
   
Land, Total Cost 23,574us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RosevilleCAMember
   
Buildings & Improvements, Total Cost 67,181us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RosevilleCAMember
   
Total Cost 90,755us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RosevilleCAMember
   
Accumulated Depreciation 1,319us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RosevilleCAMember
   
Total Cost, Net of Accumulated Depreciation 89,436us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RosevilleCAMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RosevilleCAMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2014 (A)    
Chicago, IL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 22,642us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChicagoILMember
   
Buildings & Improvements, Initial Cost 82,754us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChicagoILMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChicagoILMember
   
Land, Total Cost 22,642us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChicagoILMember
   
Buildings & Improvements, Total Cost 82,754us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChicagoILMember
   
Total Cost 105,396us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChicagoILMember
   
Accumulated Depreciation 1,113us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChicagoILMember
   
Total Cost, Net of Accumulated Depreciation 104,283us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChicagoILMember
   
Encumbrances 55,500us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ChicagoILMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2014 (A)    
Jenkintown, PA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 4,705us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_JenkintownPAMember
   
Buildings & Improvements, Initial Cost 21,918us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_JenkintownPAMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_JenkintownPAMember
   
Land, Total Cost 4,705us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_JenkintownPAMember
   
Buildings & Improvements, Total Cost 22,132us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_JenkintownPAMember
   
Total Cost 26,837us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_JenkintownPAMember
   
Accumulated Depreciation 332us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_JenkintownPAMember
   
Total Cost, Net of Accumulated Depreciation 26,505us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_JenkintownPAMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_JenkintownPAMember
   
Depreciable Lives (Years) 30 years    
Date of Construction (C) Acquisition (A) 2014 (A)    
Erie, PA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 2,971us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EriePAMember
   
Buildings & Improvements, Initial Cost 12,805us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EriePAMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EriePAMember
   
Land, Total Cost 2,971us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EriePAMember
   
Buildings & Improvements, Total Cost 13,095us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EriePAMember
   
Total Cost 16,066us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EriePAMember
   
Accumulated Depreciation 40us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EriePAMember
   
Total Cost, Net of Accumulated Depreciation 16,026us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EriePAMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EriePAMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2014 (A)    
Cincinnati, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 19,572us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CincinnatiOHMember
   
Buildings & Improvements, Initial Cost 54,495us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CincinnatiOHMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CincinnatiOHMember
   
Land, Total Cost 19,572us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CincinnatiOHMember
   
Buildings & Improvements, Total Cost 54,504us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CincinnatiOHMember
   
Total Cost 74,076us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CincinnatiOHMember
   
Accumulated Depreciation 481us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CincinnatiOHMember
   
Total Cost, Net of Accumulated Depreciation 73,595us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CincinnatiOHMember
   
Encumbrances 63,511us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CincinnatiOHMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2014 (A)    
Dumfries, VA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 12,911us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DumfriesVAMember
   
Buildings & Improvements, Initial Cost 10,092us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DumfriesVAMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DumfriesVAMember
   
Land, Total Cost 12,911us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DumfriesVAMember
   
Buildings & Improvements, Total Cost 10,093us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DumfriesVAMember
   
Total Cost 23,004us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DumfriesVAMember
   
Accumulated Depreciation 82us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DumfriesVAMember
   
Total Cost, Net of Accumulated Depreciation 22,922us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DumfriesVAMember
   
Encumbrances 12,120us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_DumfriesVAMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2014 (A)    
Hamilton, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 1,805us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamiltonOHMember
   
Buildings & Improvements, Initial Cost 8,502us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamiltonOHMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamiltonOHMember
   
Land, Total Cost 1,805us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamiltonOHMember
   
Buildings & Improvements, Total Cost 8,502us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamiltonOHMember
   
Total Cost 10,307us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamiltonOHMember
   
Accumulated Depreciation 74us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamiltonOHMember
   
Total Cost, Net of Accumulated Depreciation 10,233us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamiltonOHMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_HamiltonOHMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2014 (A)    
Mechanicsburg, PA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 12,574us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MechanicsburgPAMember
   
Buildings & Improvements, Initial Cost 57,283us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MechanicsburgPAMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MechanicsburgPAMember
   
Land, Total Cost 12,574us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MechanicsburgPAMember
   
Buildings & Improvements, Total Cost 57,284us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MechanicsburgPAMember
   
Total Cost 69,858us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MechanicsburgPAMember
   
Accumulated Depreciation 508us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MechanicsburgPAMember
   
Total Cost, Net of Accumulated Depreciation 69,350us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MechanicsburgPAMember
   
Encumbrances 38,000us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MechanicsburgPAMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2014 (A)    
Vancouver, WA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 4,169us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_VancouverWAMember
   
Buildings & Improvements, Initial Cost 25,769us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_VancouverWAMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_VancouverWAMember
   
Land, Total Cost 4,169us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_VancouverWAMember
   
Buildings & Improvements, Total Cost 25,769us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_VancouverWAMember
   
Total Cost 29,938us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_VancouverWAMember
   
Accumulated Depreciation 240us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_VancouverWAMember
   
Total Cost, Net of Accumulated Depreciation 29,698us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_VancouverWAMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_VancouverWAMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2014 (A)    
Vista, CA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 12,677us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_VistaMember
   
Buildings & Improvements, Initial Cost 47,145us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_VistaMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_VistaMember
   
Land, Total Cost 12,677us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_VistaMember
   
Buildings & Improvements, Total Cost 47,187us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_VistaMember
   
Total Cost 59,864us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_VistaMember
   
Accumulated Depreciation 454us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_VistaMember
   
Total Cost, Net of Accumulated Depreciation 59,410us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_VistaMember
   
Encumbrances 33,200us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_VistaMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2014 (A)    
Fontana, CA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 23,861us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FontanaMember
   
Buildings & Improvements, Initial Cost 57,931us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FontanaMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FontanaMember
   
Land, Total Cost 23,861us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FontanaMember
   
Buildings & Improvements, Total Cost 58,212us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FontanaMember
   
Total Cost 82,073us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FontanaMember
   
Accumulated Depreciation 513us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FontanaMember
   
Total Cost, Net of Accumulated Depreciation 81,560us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FontanaMember
   
Encumbrances 58,204us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FontanaMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2014 (A)    
Grandville, MI [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 6,483us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GrandvilleMember
   
Buildings & Improvements, Initial Cost 18,933us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GrandvilleMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GrandvilleMember
   
Land, Total Cost 6,204us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GrandvilleMember
   
Buildings & Improvements, Total Cost 19,092us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GrandvilleMember
   
Total Cost 25,296us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GrandvilleMember
   
Accumulated Depreciation 1,137us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GrandvilleMember
   
Total Cost, Net of Accumulated Depreciation 24,159us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GrandvilleMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GrandvilleMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013 (A)    
Aurora, CO [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 4,816us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AuroraOneMember
   
Buildings & Improvements, Initial Cost 20,798us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AuroraOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AuroraOneMember
   
Land, Total Cost 4,816us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AuroraOneMember
   
Buildings & Improvements, Total Cost 21,737us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AuroraOneMember
   
Total Cost 26,553us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AuroraOneMember
   
Accumulated Depreciation 883us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AuroraOneMember
   
Total Cost, Net of Accumulated Depreciation 25,670us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AuroraOneMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AuroraOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013 (A)    
Irving, TX [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 17,701us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IrvingMember
   
Buildings & Improvements, Initial Cost 10,571us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IrvingMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IrvingMember
   
Land, Total Cost 17,701us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IrvingMember
   
Buildings & Improvements, Total Cost 10,964us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IrvingMember
   
Total Cost 28,665us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IrvingMember
   
Accumulated Depreciation 603us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IrvingMember
   
Total Cost, Net of Accumulated Depreciation 28,062us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IrvingMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_IrvingMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013 (A)    
Brentwood, TN [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 6,101us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrentwoodOneMember
   
Buildings & Improvements, Initial Cost 25,956us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrentwoodOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrentwoodOneMember
   
Land, Total Cost 6,101us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrentwoodOneMember
   
Buildings & Improvements, Total Cost 27,014us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrentwoodOneMember
   
Total Cost 33,115us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrentwoodOneMember
   
Accumulated Depreciation 1,215us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrentwoodOneMember
   
Total Cost, Net of Accumulated Depreciation 31,900us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrentwoodOneMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrentwoodOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013 (A)    
Clarence, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 2,232us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ClarenceMember
   
Buildings & Improvements, Initial Cost 4,705us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ClarenceMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ClarenceMember
   
Land, Total Cost 2,232us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ClarenceMember
   
Buildings & Improvements, Total Cost 4,710us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ClarenceMember
   
Total Cost 6,942us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ClarenceMember
   
Accumulated Depreciation 424us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ClarenceMember
   
Total Cost, Net of Accumulated Depreciation 6,518us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ClarenceMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ClarenceMember
   
Depreciable Lives (Years) 20 years    
Date of Construction (C) Acquisition (A) 2013 (A)    
St. Paul, MN [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 7,150us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_StPaulMember
   
Buildings & Improvements, Initial Cost 21,558us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_StPaulMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_StPaulMember
   
Land, Total Cost 7,150us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_StPaulMember
   
Buildings & Improvements, Total Cost 22,829us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_StPaulMember
   
Total Cost 29,979us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_StPaulMember
   
Accumulated Depreciation 1,582us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_StPaulMember
   
Total Cost, Net of Accumulated Depreciation 28,397us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_StPaulMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_StPaulMember
   
Depreciable Lives (Years) 20 years    
Date of Construction (C) Acquisition (A) 2013 (A)    
Columbia, SC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 2,950us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbiaMember
   
Buildings & Improvements, Initial Cost 29,065us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbiaMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbiaMember
   
Land, Total Cost 2,950us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbiaMember
   
Buildings & Improvements, Total Cost 36,246us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbiaMember
   
Total Cost 39,196us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbiaMember
   
Accumulated Depreciation 1,368us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbiaMember
   
Total Cost, Net of Accumulated Depreciation 37,828us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbiaMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ColumbiaMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013 (A)    
Merriam, KS [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 7,153us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MerriamMember
   
Buildings & Improvements, Initial Cost 41,811us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MerriamMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MerriamMember
   
Land, Total Cost 7,153us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MerriamMember
   
Buildings & Improvements, Total Cost 42,601us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MerriamMember
   
Total Cost 49,754us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MerriamMember
   
Accumulated Depreciation 1,939us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MerriamMember
   
Total Cost, Net of Accumulated Depreciation 47,815us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MerriamMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MerriamMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013 (A)    
Apopka, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 2,721us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ApopkaMember
   
Buildings & Improvements, Initial Cost 5,302us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ApopkaMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ApopkaMember
   
Land, Total Cost 2,721us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ApopkaMember
   
Buildings & Improvements, Total Cost 5,314us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ApopkaMember
   
Total Cost 8,035us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ApopkaMember
   
Accumulated Depreciation 431us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ApopkaMember
   
Total Cost, Net of Accumulated Depreciation 7,604us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ApopkaMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ApopkaMember
   
Depreciable Lives (Years) 20 years    
Date of Construction (C) Acquisition (A) 2013 (A)    
Plant City, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 4,304us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PlantCityMember
   
Buildings & Improvements, Initial Cost 24,875us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PlantCityMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PlantCityMember
   
Land, Total Cost 4,304us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PlantCityMember
   
Buildings & Improvements, Total Cost 27,907us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PlantCityMember
   
Total Cost 32,211us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PlantCityMember
   
Accumulated Depreciation 1,194us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PlantCityMember
   
Total Cost, Net of Accumulated Depreciation 31,017us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PlantCityMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PlantCityMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013 (A)    
North Canton, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 9,889us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NorthCantonMember
   
Buildings & Improvements, Initial Cost 46,335us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NorthCantonMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NorthCantonMember
   
Land, Total Cost 9,889us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NorthCantonMember
   
Buildings & Improvements, Total Cost 47,485us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NorthCantonMember
   
Total Cost 57,374us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NorthCantonMember
   
Accumulated Depreciation 2,261us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NorthCantonMember
   
Total Cost, Net of Accumulated Depreciation 55,113us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NorthCantonMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NorthCantonMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013 (A)    
North Olmsted, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 24,352us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NorthOlmstedOneMember
   
Buildings & Improvements, Initial Cost 61,449us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NorthOlmstedOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NorthOlmstedOneMember
   
Land, Total Cost 24,352us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NorthOlmstedOneMember
   
Buildings & Improvements, Total Cost 62,628us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NorthOlmstedOneMember
   
Total Cost 86,980us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NorthOlmstedOneMember
   
Accumulated Depreciation 4,278us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NorthOlmstedOneMember
   
Total Cost, Net of Accumulated Depreciation 82,702us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NorthOlmstedOneMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NorthOlmstedOneMember
   
Depreciable Lives (Years) 20 years    
Date of Construction (C) Acquisition (A) 2013 (A)    
Parker, CO [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 9,089us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ParkerMember
   
Buildings & Improvements, Initial Cost 35,697us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ParkerMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ParkerMember
   
Land, Total Cost 9,089us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ParkerMember
   
Buildings & Improvements, Total Cost 36,182us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ParkerMember
   
Total Cost 45,271us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ParkerMember
   
Accumulated Depreciation 1,519us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ParkerMember
   
Total Cost, Net of Accumulated Depreciation 43,752us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ParkerMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ParkerMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013 (A)    
Birmingham, AL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 1,974us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BirminghamMember
   
Buildings & Improvements, Initial Cost 13,884us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BirminghamMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BirminghamMember
   
Land, Total Cost 1,974us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BirminghamMember
   
Buildings & Improvements, Total Cost 14,260us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BirminghamMember
   
Total Cost 16,234us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BirminghamMember
   
Accumulated Depreciation 633us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BirminghamMember
   
Total Cost, Net of Accumulated Depreciation 15,601us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BirminghamMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BirminghamMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013 (A)    
Schaumburg, IL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 27,466us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SchaumburgMember
   
Buildings & Improvements, Initial Cost 84,679us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SchaumburgMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SchaumburgMember
   
Land, Total Cost 27,466us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SchaumburgMember
   
Buildings & Improvements, Total Cost 85,724us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SchaumburgMember
   
Total Cost 113,190us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SchaumburgMember
   
Accumulated Depreciation 3,800us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SchaumburgMember
   
Total Cost, Net of Accumulated Depreciation 109,390us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SchaumburgMember
   
Encumbrances 65,387us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SchaumburgMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013 (A)    
Naples, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 10,172us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NaplesMember
   
Buildings & Improvements, Initial Cost 39,342us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NaplesMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NaplesMember
   
Land, Total Cost 10,172us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NaplesMember
   
Buildings & Improvements, Total Cost 39,564us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NaplesMember
   
Total Cost 49,736us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NaplesMember
   
Accumulated Depreciation 1,778us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NaplesMember
   
Total Cost, Net of Accumulated Depreciation 47,958us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NaplesMember
   
Encumbrances 25,636us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NaplesMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013 (A)    
Fairfax, VA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 15,681us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FairfaxMember
   
Buildings & Improvements, Initial Cost 68,536us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FairfaxMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FairfaxMember
   
Land, Total Cost 15,681us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FairfaxMember
   
Buildings & Improvements, Total Cost 69,002us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FairfaxMember
   
Total Cost 84,683us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FairfaxMember
   
Accumulated Depreciation 2,919us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FairfaxMember
   
Total Cost, Net of Accumulated Depreciation 81,764us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FairfaxMember
   
Encumbrances 38,886us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FairfaxMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013 (A)    
Framingham, MA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 75,675us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FraminghamMember
   
Buildings & Improvements, Initial Cost 191,594us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FraminghamMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FraminghamMember
   
Land, Total Cost 75,675us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FraminghamMember
   
Buildings & Improvements, Total Cost 192,333us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FraminghamMember
   
Total Cost 268,008us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FraminghamMember
   
Accumulated Depreciation 8,202us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FraminghamMember
   
Total Cost, Net of Accumulated Depreciation 259,806us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FraminghamMember
   
Encumbrances 127,413us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FraminghamMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013 (A)    
Lithonia, GA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 2,477us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LithoniaMember
   
Buildings & Improvements, Initial Cost 3,476us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LithoniaMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LithoniaMember
   
Land, Total Cost 2,477us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LithoniaMember
   
Buildings & Improvements, Total Cost 3,576us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LithoniaMember
   
Total Cost 6,053us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LithoniaMember
   
Accumulated Depreciation 149us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LithoniaMember
   
Total Cost, Net of Accumulated Depreciation 5,904us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LithoniaMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LithoniaMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013 (A)    
Lithonia, GA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 4,546us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LithoniaOneMember
   
Buildings & Improvements, Initial Cost 5,951us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LithoniaOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LithoniaOneMember
   
Land, Total Cost 4,546us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LithoniaOneMember
   
Buildings & Improvements, Total Cost 5,951us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LithoniaOneMember
   
Total Cost 10,497us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LithoniaOneMember
   
Accumulated Depreciation 307us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LithoniaOneMember
   
Total Cost, Net of Accumulated Depreciation 10,190us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LithoniaOneMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LithoniaOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013 (A)    
Frisco, TX [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 4,793us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FriscoMember
   
Buildings & Improvements, Initial Cost 4,708us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FriscoMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FriscoMember
   
Land, Total Cost 4,793us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FriscoMember
   
Buildings & Improvements, Total Cost 4,742us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FriscoMember
   
Total Cost 9,535us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FriscoMember
   
Accumulated Depreciation 191us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FriscoMember
   
Total Cost, Net of Accumulated Depreciation 9,344us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FriscoMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_FriscoMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013 (A)    
McKinney, TX [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 4,813us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MckinneyMember
   
Buildings & Improvements, Initial Cost 10,034us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MckinneyMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MckinneyMember
   
Land, Total Cost 4,813us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MckinneyMember
   
Buildings & Improvements, Total Cost 10,091us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MckinneyMember
   
Total Cost 14,904us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MckinneyMember
   
Accumulated Depreciation 473us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MckinneyMember
   
Total Cost, Net of Accumulated Depreciation 14,431us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MckinneyMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MckinneyMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013 (A)    
Mesquite, TX [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 7,051us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MesquiteMember
   
Buildings & Improvements, Initial Cost 25,531us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MesquiteMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MesquiteMember
   
Land, Total Cost 7,051us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MesquiteMember
   
Buildings & Improvements, Total Cost 25,557us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MesquiteMember
   
Total Cost 32,608us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MesquiteMember
   
Accumulated Depreciation 1,161us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MesquiteMember
   
Total Cost, Net of Accumulated Depreciation 31,447us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MesquiteMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MesquiteMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013 (A)    
Overland Park, KS [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 4,776us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OverlandParkMember
   
Buildings & Improvements, Initial Cost 3,652us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OverlandParkMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OverlandParkMember
   
Land, Total Cost 4,776us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OverlandParkMember
   
Buildings & Improvements, Total Cost 3,672us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OverlandParkMember
   
Total Cost 8,448us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OverlandParkMember
   
Accumulated Depreciation 154us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OverlandParkMember
   
Total Cost, Net of Accumulated Depreciation 8,294us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OverlandParkMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_OverlandParkMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013 (A)    
Plainville, CT [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 17,528us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PlainvilleMember
   
Buildings & Improvements, Initial Cost 59,777us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PlainvilleMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PlainvilleMember
   
Land, Total Cost 17,528us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PlainvilleMember
   
Buildings & Improvements, Total Cost 61,654us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PlainvilleMember
   
Total Cost 79,182us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PlainvilleMember
   
Accumulated Depreciation 2,850us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PlainvilleMember
   
Total Cost, Net of Accumulated Depreciation 76,332us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PlainvilleMember
   
Encumbrances 47,401us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PlainvilleMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013 (A)    
Coon Rapids, MN [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 25,692us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CoonRapidsMember
   
Buildings & Improvements, Initial Cost 106,300us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CoonRapidsMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CoonRapidsMember
   
Land, Total Cost 25,692us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CoonRapidsMember
   
Buildings & Improvements, Total Cost 107,512us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CoonRapidsMember
   
Total Cost 133,204us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CoonRapidsMember
   
Accumulated Depreciation 5,201us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CoonRapidsMember
   
Total Cost, Net of Accumulated Depreciation 128,003us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CoonRapidsMember
   
Encumbrances 58,595us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CoonRapidsMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013 (A)    
Brandon, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 2,938us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrandonTwoMember
   
Buildings & Improvements, Initial Cost 13,685us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrandonTwoMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrandonTwoMember
   
Land, Total Cost 2,938us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrandonTwoMember
   
Buildings & Improvements, Total Cost 13,752us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrandonTwoMember
   
Total Cost 16,690us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrandonTwoMember
   
Accumulated Depreciation 653us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrandonTwoMember
   
Total Cost, Net of Accumulated Depreciation 16,037us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrandonTwoMember
   
Encumbrances 9,368us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrandonTwoMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013 (A)    
Brookfield, WI [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 4,791us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrookfieldMember
   
Buildings & Improvements, Initial Cost 16,023us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrookfieldMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrookfieldMember
   
Land, Total Cost 4,791us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrookfieldMember
   
Buildings & Improvements, Total Cost 16,112us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrookfieldMember
   
Total Cost 20,903us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrookfieldMember
   
Accumulated Depreciation 1,881us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrookfieldMember
   
Total Cost, Net of Accumulated Depreciation 19,022us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrookfieldMember
   
Encumbrances 5,855us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrookfieldMember
   
Depreciable Lives (Years) 20 years    
Date of Construction (C) Acquisition (A) 2013 (A)    
Brown Deer, WI [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 8,465us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrownDeerMember
   
Buildings & Improvements, Initial Cost 32,652us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrownDeerMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrownDeerMember
   
Land, Total Cost 8,465us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrownDeerMember
   
Buildings & Improvements, Total Cost 34,361us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrownDeerMember
   
Total Cost 42,826us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrownDeerMember
   
Accumulated Depreciation 2,409us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrownDeerMember
   
Total Cost, Net of Accumulated Depreciation 40,417us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrownDeerMember
   
Encumbrances 12,084us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BrownDeerMember
   
Depreciable Lives (Years) 20 years    
Date of Construction (C) Acquisition (A) 2013 (A)    
Tinley Park, IL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 9,120us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TinleyParkMember
   
Buildings & Improvements, Initial Cost 37,496us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TinleyParkMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TinleyParkMember
   
Land, Total Cost 9,120us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TinleyParkMember
   
Buildings & Improvements, Total Cost 49,478us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TinleyParkMember
   
Total Cost 58,598us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TinleyParkMember
   
Accumulated Depreciation 4,820us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TinleyParkMember
   
Total Cost, Net of Accumulated Depreciation 53,778us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TinleyParkMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TinleyParkMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2012 (A)    
Macon, GA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 2,940us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MaconMember
   
Buildings & Improvements, Initial Cost 5,192us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MaconMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MaconMember
   
Land, Total Cost 2,940us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MaconMember
   
Buildings & Improvements, Total Cost 6,224us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MaconMember
   
Total Cost 9,164us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MaconMember
   
Accumulated Depreciation 1,512us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MaconMember
   
Total Cost, Net of Accumulated Depreciation 7,652us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MaconMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MaconMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Snellville, GA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 10,185us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SnellvilleOneMember
   
Buildings & Improvements, Initial Cost 51,815us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SnellvilleOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SnellvilleOneMember
   
Land, Total Cost 10,342us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SnellvilleOneMember
   
Buildings & Improvements, Total Cost 56,409us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SnellvilleOneMember
   
Total Cost 66,751us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SnellvilleOneMember
   
Accumulated Depreciation 14,214us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SnellvilleOneMember
   
Total Cost, Net of Accumulated Depreciation 52,537us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SnellvilleOneMember
   
Encumbrances 21,200us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SnellvilleOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Union, NJ [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 7,650us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_UnionMember
   
Buildings & Improvements, Initial Cost 15,689us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_UnionMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_UnionMember
   
Land, Total Cost 7,650us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_UnionMember
   
Buildings & Improvements, Total Cost 24,913us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_UnionMember
   
Total Cost 32,563us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_UnionMember
   
Accumulated Depreciation 5,482us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_UnionMember
   
Total Cost, Net of Accumulated Depreciation 27,081us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_UnionMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_UnionMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Taylors, SC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 1,732us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TaylorsMember
   
Buildings & Improvements, Initial Cost 4,506us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TaylorsMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TaylorsMember
   
Land, Total Cost 1,575us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TaylorsMember
   
Buildings & Improvements, Total Cost 4,519us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TaylorsMember
   
Total Cost 6,094us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TaylorsMember
   
Accumulated Depreciation 1,158us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TaylorsMember
   
Total Cost, Net of Accumulated Depreciation 4,936us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TaylorsMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TaylorsMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Bradenton, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 10,766us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BradentonMember
   
Buildings & Improvements, Initial Cost 31,203us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BradentonMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BradentonMember
   
Land, Total Cost 10,916us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BradentonMember
   
Buildings & Improvements, Total Cost 32,445us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BradentonMember
   
Total Cost 43,361us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BradentonMember
   
Accumulated Depreciation 8,221us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BradentonMember
   
Total Cost, Net of Accumulated Depreciation 35,140us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BradentonMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BradentonMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Clearwater, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 5,579us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ClearwaterMember
   
Buildings & Improvements, Initial Cost 15,855us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ClearwaterMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ClearwaterMember
   
Land, Total Cost 5,579us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ClearwaterMember
   
Buildings & Improvements, Total Cost 17,555us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ClearwaterMember
   
Total Cost 23,134us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ClearwaterMember
   
Accumulated Depreciation 4,927us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ClearwaterMember
   
Total Cost, Net of Accumulated Depreciation 18,207us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ClearwaterMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ClearwaterMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Tampa, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 1,699us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TampaMember
   
Buildings & Improvements, Initial Cost 3,338us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TampaMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TampaMember
   
Land, Total Cost 1,699us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TampaMember
   
Buildings & Improvements, Total Cost 3,404us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TampaMember
   
Total Cost 5,103us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TampaMember
   
Accumulated Depreciation 855us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TampaMember
   
Total Cost, Net of Accumulated Depreciation 4,248us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TampaMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TampaMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Tequesta, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 2,108us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TequestaMember
   
Buildings & Improvements, Initial Cost 7,400us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TequestaMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TequestaMember
   
Land, Total Cost 2,108us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TequestaMember
   
Buildings & Improvements, Total Cost 13,290us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TequestaMember
   
Total Cost 15,398us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TequestaMember
   
Accumulated Depreciation 2,005us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TequestaMember
   
Total Cost, Net of Accumulated Depreciation 13,393us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TequestaMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_TequestaMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Roswell, GA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 6,566us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RoswellMember
   
Buildings & Improvements, Initial Cost 15,005us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RoswellMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RoswellMember
   
Land, Total Cost 7,894us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RoswellMember
   
Buildings & Improvements, Total Cost 25,833us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RoswellMember
   
Total Cost 33,727us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RoswellMember
   
Accumulated Depreciation 8,050us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RoswellMember
   
Total Cost, Net of Accumulated Depreciation 25,677us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RoswellMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RoswellMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Greensboro, NC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 3,153us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GreensboroMember
   
Buildings & Improvements, Initial Cost 9,455us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GreensboroMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GreensboroMember
   
Land, Total Cost 3,153us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GreensboroMember
   
Buildings & Improvements, Total Cost 9,837us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GreensboroMember
   
Total Cost 12,990us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GreensboroMember
   
Accumulated Depreciation 2,520us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GreensboroMember
   
Total Cost, Net of Accumulated Depreciation 10,470us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GreensboroMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GreensboroMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
East Hanover, NJ [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 3,847us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EastHanoverMember
   
Buildings & Improvements, Initial Cost 23,798us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EastHanoverMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EastHanoverMember
   
Land, Total Cost 3,847us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EastHanoverMember
   
Buildings & Improvements, Total Cost 24,857us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EastHanoverMember
   
Total Cost 28,704us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EastHanoverMember
   
Accumulated Depreciation 6,118us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EastHanoverMember
   
Total Cost, Net of Accumulated Depreciation 22,586us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EastHanoverMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EastHanoverMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Middletown, RI [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 3,804us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MiddletownMember
   
Buildings & Improvements, Initial Cost 16,805us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MiddletownMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MiddletownMember
   
Land, Total Cost 3,842us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MiddletownMember
   
Buildings & Improvements, Total Cost 18,027us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MiddletownMember
   
Total Cost 21,869us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MiddletownMember
   
Accumulated Depreciation 4,438us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MiddletownMember
   
Total Cost, Net of Accumulated Depreciation 17,431us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MiddletownMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MiddletownMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Lexington, SC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 1,795us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LexingtonMember
   
Buildings & Improvements, Initial Cost 9,933us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LexingtonMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LexingtonMember
   
Land, Total Cost 1,795us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LexingtonMember
   
Buildings & Improvements, Total Cost 10,006us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LexingtonMember
   
Total Cost 11,801us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LexingtonMember
   
Accumulated Depreciation 2,545us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LexingtonMember
   
Total Cost, Net of Accumulated Depreciation 9,256us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LexingtonMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_LexingtonMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Newport News, VA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 10,064us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewportNewsMember
   
Buildings & Improvements, Initial Cost 21,272us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewportNewsMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewportNewsMember
   
Land, Total Cost 4,026us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewportNewsMember
   
Buildings & Improvements, Total Cost 11,258us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewportNewsMember
   
Total Cost 15,284us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewportNewsMember
   
Accumulated Depreciation 4,691us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewportNewsMember
   
Total Cost, Net of Accumulated Depreciation 10,593us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewportNewsMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_NewportNewsMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Richmond, VA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 11,879us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RichmondMember
   
Buildings & Improvements, Initial Cost 34,736us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RichmondMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RichmondMember
   
Land, Total Cost 11,879us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RichmondMember
   
Buildings & Improvements, Total Cost 35,955us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RichmondMember
   
Total Cost 47,834us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RichmondMember
   
Accumulated Depreciation 9,259us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RichmondMember
   
Total Cost, Net of Accumulated Depreciation 38,575us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RichmondMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RichmondMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Springfield, VA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 12,627us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringfieldTwoMember
   
Buildings & Improvements, Initial Cost 30,572us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringfieldTwoMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringfieldTwoMember
   
Land, Total Cost 12,627us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringfieldTwoMember
   
Buildings & Improvements, Total Cost 31,546us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringfieldTwoMember
   
Total Cost 44,173us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringfieldTwoMember
   
Accumulated Depreciation 8,094us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringfieldTwoMember
   
Total Cost, Net of Accumulated Depreciation 36,079us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringfieldTwoMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringfieldTwoMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Springfield, VA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 4,389us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringfieldOneMember
   
Buildings & Improvements, Initial Cost 9,466us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringfieldOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringfieldOneMember
   
Land, Total Cost 4,389us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringfieldOneMember
   
Buildings & Improvements, Total Cost 10,167us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringfieldOneMember
   
Total Cost 14,556us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringfieldOneMember
   
Accumulated Depreciation 2,851us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringfieldOneMember
   
Total Cost, Net of Accumulated Depreciation 11,705us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringfieldOneMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SpringfieldOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Sterling, VA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 8,426us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SterlingMember
   
Buildings & Improvements, Initial Cost 18,651us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SterlingMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SterlingMember
   
Land, Total Cost 5,580us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SterlingMember
   
Buildings & Improvements, Total Cost 14,096us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SterlingMember
   
Total Cost 19,676us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SterlingMember
   
Accumulated Depreciation 4,742us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SterlingMember
   
Total Cost, Net of Accumulated Depreciation 14,934us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SterlingMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SterlingMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Windsor Court, CT [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 6,090us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WindsorCourtMember
   
Buildings & Improvements, Initial Cost 11,745us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WindsorCourtMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WindsorCourtMember
   
Land, Total Cost 6,090us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WindsorCourtMember
   
Buildings & Improvements, Total Cost 11,900us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WindsorCourtMember
   
Total Cost 17,990us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WindsorCourtMember
   
Accumulated Depreciation 2,999us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WindsorCourtMember
   
Total Cost, Net of Accumulated Depreciation 14,991us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WindsorCourtMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WindsorCourtMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Valrico, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 3,282us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ValricoMember
   
Buildings & Improvements, Initial Cost 12,190us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ValricoMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ValricoMember
   
Land, Total Cost 3,282us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ValricoMember
   
Buildings & Improvements, Total Cost 18,602us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ValricoMember
   
Total Cost 21,884us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ValricoMember
   
Accumulated Depreciation 3,907us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ValricoMember
   
Total Cost, Net of Accumulated Depreciation 17,977us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ValricoMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ValricoMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Bowie, MD [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 5,739us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BowieMember
   
Buildings & Improvements, Initial Cost 14,301us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BowieMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BowieMember
   
Land, Total Cost 5,744us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BowieMember
   
Buildings & Improvements, Total Cost 14,404us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BowieMember
   
Total Cost 20,148us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BowieMember
   
Accumulated Depreciation 3,710us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BowieMember
   
Total Cost, Net of Accumulated Depreciation 16,438us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BowieMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_BowieMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Charlotte, NC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 2,842us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteMember
   
Buildings & Improvements, Initial Cost 9,807us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteMember
   
Land, Total Cost 2,842us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteMember
   
Buildings & Improvements, Total Cost 10,015us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteMember
   
Total Cost 12,857us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteMember
   
Accumulated Depreciation 2,577us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteMember
   
Total Cost, Net of Accumulated Depreciation 10,280us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CharlotteMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Cornelius, NC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 4,382us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CorneliusMember
   
Buildings & Improvements, Initial Cost 15,184us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CorneliusMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CorneliusMember
   
Land, Total Cost 4,382us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CorneliusMember
   
Buildings & Improvements, Total Cost 20,780us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CorneliusMember
   
Total Cost 25,162us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CorneliusMember
   
Accumulated Depreciation 5,916us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CorneliusMember
   
Total Cost, Net of Accumulated Depreciation 19,246us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CorneliusMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CorneliusMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Raleigh, NC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 2,728us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RaleighMember
   
Buildings & Improvements, Initial Cost 10,665us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RaleighMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RaleighMember
   
Land, Total Cost 2,728us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RaleighMember
   
Buildings & Improvements, Total Cost 10,821us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RaleighMember
   
Total Cost 13,549us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RaleighMember
   
Accumulated Depreciation 2,757us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RaleighMember
   
Total Cost, Net of Accumulated Depreciation 10,792us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RaleighMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_RaleighMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Morgantown, WV [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 4,645us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MorgantownMember
   
Buildings & Improvements, Initial Cost 10,341us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MorgantownMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MorgantownMember
   
Land, Total Cost 4,645us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MorgantownMember
   
Buildings & Improvements, Total Cost 10,517us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MorgantownMember
   
Total Cost 15,162us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MorgantownMember
   
Accumulated Depreciation 2,860us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MorgantownMember
   
Total Cost, Net of Accumulated Depreciation 12,302us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MorgantownMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_MorgantownMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Edgewater, NJ [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 7,714us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EdgewaterMember
   
Buildings & Improvements, Initial Cost 30,473us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EdgewaterMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EdgewaterMember
   
Land, Total Cost 7,714us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EdgewaterMember
   
Buildings & Improvements, Total Cost 31,020us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EdgewaterMember
   
Total Cost 38,734us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EdgewaterMember
   
Accumulated Depreciation 7,803us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EdgewaterMember
   
Total Cost, Net of Accumulated Depreciation 30,931us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EdgewaterMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EdgewaterMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Plantation, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 21,729us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PlantationMember
   
Buildings & Improvements, Initial Cost 37,331us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PlantationMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PlantationMember
   
Land, Total Cost 22,112us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PlantationMember
   
Buildings & Improvements, Total Cost 95,148us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PlantationMember
   
Total Cost 117,260us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PlantationMember
   
Accumulated Depreciation 24,648us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PlantationMember
   
Total Cost, Net of Accumulated Depreciation 92,612us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PlantationMember
   
Encumbrances 45,800us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_PlantationMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Sylvania, GA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 431us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SylvaniaMember
   
Buildings & Improvements, Initial Cost 3,774us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SylvaniaMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SylvaniaMember
   
Land, Total Cost 431us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SylvaniaMember
   
Buildings & Improvements, Total Cost 3,774us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SylvaniaMember
   
Total Cost 4,205us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SylvaniaMember
   
Accumulated Depreciation 994us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SylvaniaMember
   
Total Cost, Net of Accumulated Depreciation 3,211us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SylvaniaMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_SylvaniaMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Winston Salem, NC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 7,156us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WinstonSalemMember
   
Buildings & Improvements, Initial Cost 15,010us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WinstonSalemMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WinstonSalemMember
   
Land, Total Cost 7,156us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WinstonSalemMember
   
Buildings & Improvements, Total Cost 15,010us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WinstonSalemMember
   
Total Cost 22,166us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WinstonSalemMember
   
Accumulated Depreciation 3,936us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WinstonSalemMember
   
Total Cost, Net of Accumulated Depreciation 18,230us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WinstonSalemMember
   
Encumbrances 3,447us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_WinstonSalemMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Alliance, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 812us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AllianceMember
   
Buildings & Improvements, Initial Cost 16,244us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AllianceMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AllianceMember
   
Land, Total Cost 812us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AllianceMember
   
Buildings & Improvements, Total Cost 16,244us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AllianceMember
   
Total Cost 17,056us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AllianceMember
   
Accumulated Depreciation 4,242us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AllianceMember
   
Total Cost, Net of Accumulated Depreciation 12,814us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AllianceMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_AllianceMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Cincinnati, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 2,805us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CincinnatiOneMember
   
Buildings & Improvements, Initial Cost 5,028us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CincinnatiOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CincinnatiOneMember
   
Land, Total Cost 2,805us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CincinnatiOneMember
   
Buildings & Improvements, Total Cost 5,028us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CincinnatiOneMember
   
Total Cost 7,833us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CincinnatiOneMember
   
Accumulated Depreciation 1,288us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CincinnatiOneMember
   
Total Cost, Net of Accumulated Depreciation 6,545us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CincinnatiOneMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_CincinnatiOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Greenville, SC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 1,452us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GreenvilleOneMember
   
Buildings & Improvements, Initial Cost 1,891us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GreenvilleOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GreenvilleOneMember
   
Land, Total Cost 419us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GreenvilleOneMember
   
Buildings & Improvements, Total Cost 877us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GreenvilleOneMember
   
Total Cost 1,296us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GreenvilleOneMember
   
Accumulated Depreciation 443us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GreenvilleOneMember
   
Total Cost, Net of Accumulated Depreciation 853us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GreenvilleOneMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GreenvilleOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Greenville, SC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 5,659us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GreenvilleTwoMember
   
Buildings & Improvements, Initial Cost 14,411us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GreenvilleTwoMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GreenvilleTwoMember
   
Land, Total Cost 5,659us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GreenvilleTwoMember
   
Buildings & Improvements, Total Cost 14,411us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GreenvilleTwoMember
   
Total Cost 20,070us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GreenvilleTwoMember
   
Accumulated Depreciation 3,791us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GreenvilleTwoMember
   
Total Cost, Net of Accumulated Depreciation 16,279us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GreenvilleTwoMember
   
Encumbrances 3,547us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_GreenvilleTwoMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Evansville, IN [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 8,964us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EvansvilleMember
   
Buildings & Improvements, Initial Cost 18,764us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EvansvilleMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EvansvilleMember
   
Land, Total Cost 8,964us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EvansvilleMember
   
Buildings & Improvements, Total Cost 18,776us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EvansvilleMember
   
Total Cost 27,740us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EvansvilleMember
   
Accumulated Depreciation 4,883us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EvansvilleMember
   
Total Cost, Net of Accumulated Depreciation 22,857us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EvansvilleMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EvansvilleMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Apex, NC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 2,362us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ApexOneMember
   
Buildings & Improvements, Initial Cost 4,452us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ApexOneMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ApexOneMember
   
Land, Total Cost 1,932us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ApexOneMember
   
Buildings & Improvements, Total Cost 3,779us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ApexOneMember
   
Total Cost 5,711us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ApexOneMember
   
Accumulated Depreciation 774us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ApexOneMember
   
Total Cost, Net of Accumulated Depreciation 4,937us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ApexOneMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_ApexOneMember
   
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007 (A)    
Portfolio Balance (DDR) -unencumbered [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 179,255us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_UnencumberedMember
   
Buildings & Improvements, Initial Cost 235,784us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_UnencumberedMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_UnencumberedMember
   
Land, Total Cost 179,252us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_UnencumberedMember
   
Buildings & Improvements, Total Cost 235,782us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_UnencumberedMember
   
Total Cost 415,034us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_UnencumberedMember
   
Accumulated Depreciation 923us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_UnencumberedMember
   
Total Cost, Net of Accumulated Depreciation 414,111us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_UnencumberedMember
   
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_UnencumberedMember
   
Depreciable Lives (Years) 31 years 6 months    
Portfolio Balance (DDR) -encumbered [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 24,383us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EncumberedMember
   
Buildings & Improvements, Initial Cost 186,646us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EncumberedMember
   
Improvements, Initial Cost 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EncumberedMember
   
Land, Total Cost 24,383us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EncumberedMember
   
Buildings & Improvements, Total Cost 186,646us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EncumberedMember
   
Total Cost 211,029us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EncumberedMember
   
Accumulated Depreciation 83,784us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EncumberedMember
   
Total Cost, Net of Accumulated Depreciation 127,245us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EncumberedMember
   
Encumbrances $ 28,715us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ddr_EncumberedMember
   
Depreciable Lives (Years) 31 years 6 months