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Schedule III (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 983,242us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,529,349us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,000,356us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 776,143us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,305,848us-gaap_RealEstateGrossAtCarryingValue 7,031,660us-gaap_RealEstateGrossAtCarryingValue 6,708,250us-gaap_RealEstateGrossAtCarryingValue 6,038,107us-gaap_RealEstateGrossAtCarryingValue
Real Estate Accumulated Depreciation 1,505,677us-gaap_RealEstateAccumulatedDepreciation 1,382,757us-gaap_RealEstateAccumulatedDepreciation 1,296,685us-gaap_RealEstateAccumulatedDepreciation 1,127,595us-gaap_RealEstateAccumulatedDepreciation
Land and Land Improvements Held-for-Sale (26,614)dre_LandandLandImprovementsHeldforSale (8,603)dre_LandandLandImprovementsHeldforSale    
Buildings and Tenant Improvements Held-for-Sale (47,782)dre_BuildingsandTenantImprovementsHeldforSale (53,324)dre_BuildingsandTenantImprovementsHeldforSale    
Total Land, Land Improvements, Buildings and Tenant Improvements Held-for-Sale (74,396)dre_TotalLandLandImprovementsBuildingsandTenantImprovementsHeldforSale (61,927)dre_TotalLandLandImprovementsBuildingsandTenantImprovementsHeldforSale (25,283)dre_TotalLandLandImprovementsBuildingsandTenantImprovementsHeldforSale  
Accumulated Depreciation of Assets Held-for-Sale (24,552)dre_AccumulatedDepreciationofAssetsHeldforSale (14,351)dre_AccumulatedDepreciationofAssetsHeldforSale    
Land and Land Improvements 1,534,521us-gaap_LandAndLandImprovements 1,438,007us-gaap_LandAndLandImprovements    
Investment Building and Building Improvements 5,696,931us-gaap_InvestmentBuildingAndBuildingImprovements 5,531,726us-gaap_InvestmentBuildingAndBuildingImprovements    
SEC Schedule III, Real Estate, Excluding Held-for-Sale 7,231,452dre_SECScheduleIIIRealEstateExcludingHeldforSale 6,969,733dre_SECScheduleIIIRealEstateExcludingHeldforSale 6,682,967dre_SECScheduleIIIRealEstateExcludingHeldforSale  
Real Estate Investment Property, Accumulated Depreciation 1,481,125us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation 1,368,406us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation 1,296,396us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation  
Real Estate, Federal Income Tax Basis 7,700,110us-gaap_RealEstateFederalIncomeTaxBasis      
Anaheim Kraemer Bldg 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AnaheimKraemerBldg1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 6,648us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AnaheimKraemerBldg1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,008us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AnaheimKraemerBldg1Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 86us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AnaheimKraemerBldg1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,648us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AnaheimKraemerBldg1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,094us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AnaheimKraemerBldg1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,742us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AnaheimKraemerBldg1Member
     
Real Estate Accumulated Depreciation 509us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AnaheimKraemerBldg1Member
     
Atlanta Airport Distribution Ctr III [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AtlantaAirportDistributionCtrIIIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,064us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AtlantaAirportDistributionCtrIIIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,990us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AtlantaAirportDistributionCtrIIIMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AtlantaAirportDistributionCtrIIIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,064us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AtlantaAirportDistributionCtrIIIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,990us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AtlantaAirportDistributionCtrIIIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 16,054us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AtlantaAirportDistributionCtrIIIMember
     
Real Estate Accumulated Depreciation 578us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AtlantaAirportDistributionCtrIIIMember
     
Aurora 525 North Enterprise Street [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora525NorthEnterpriseStreetMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 342us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora525NorthEnterpriseStreetMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,678us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora525NorthEnterpriseStreetMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements (1)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora525NorthEnterpriseStreetMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 231us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora525NorthEnterpriseStreetMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,788us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora525NorthEnterpriseStreetMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,019us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora525NorthEnterpriseStreetMember
     
Real Estate Accumulated Depreciation 783us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora525NorthEnterpriseStreetMember
     
Aurora 615 North Enterprise Street [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora615NorthEnterpriseStreetMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 468us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora615NorthEnterpriseStreetMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,408us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora615NorthEnterpriseStreetMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 590us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora615NorthEnterpriseStreetMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 315us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora615NorthEnterpriseStreetMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,151us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora615NorthEnterpriseStreetMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,466us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora615NorthEnterpriseStreetMember
     
Real Estate Accumulated Depreciation 1,394us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora615NorthEnterpriseStreetMember
     
Aurora 3737 East Exchange [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora3737EastExchangeMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 598us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora3737EastExchangeMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,521us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora3737EastExchangeMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 328us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora3737EastExchangeMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 403us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora3737EastExchangeMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,044us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora3737EastExchangeMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,447us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora3737EastExchangeMember
     
Real Estate Accumulated Depreciation 1,330us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora3737EastExchangeMember
     
Aurora 880 North Enterprise Steet [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 3,577us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora880NorthEnterpriseStreetMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,150us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora880NorthEnterpriseStreetMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,066us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora880NorthEnterpriseStreetMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 969us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora880NorthEnterpriseStreetMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,150us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora880NorthEnterpriseStreetMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,035us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora880NorthEnterpriseStreetMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,185us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora880NorthEnterpriseStreetMember
     
Real Estate Accumulated Depreciation 2,631us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora880NorthEnterpriseStreetMember
     
Aurora Meridian Office Service Center [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AuroraMeridianOfficeServiceCenterMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 567us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AuroraMeridianOfficeServiceCenterMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,083us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AuroraMeridianOfficeServiceCenterMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,688us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AuroraMeridianOfficeServiceCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 567us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AuroraMeridianOfficeServiceCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,771us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AuroraMeridianOfficeServiceCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,338us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AuroraMeridianOfficeServiceCenterMember
     
Real Estate Accumulated Depreciation 1,599us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AuroraMeridianOfficeServiceCenterMember
     
Aurora Genera Corporation [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 3,207us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AuroraGeneraCorporationMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,957us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AuroraGeneraCorporationMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,827us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AuroraGeneraCorporationMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 25us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AuroraGeneraCorporationMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,957us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AuroraGeneraCorporationMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,852us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AuroraGeneraCorporationMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,809us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AuroraGeneraCorporationMember
     
Real Estate Accumulated Depreciation 1,879us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AuroraGeneraCorporationMember
     
Aurora Butterfield 550 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 13,458us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AuroraButterfield550Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 9,185us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AuroraButterfield550Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,795us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AuroraButterfield550Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 6,037us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AuroraButterfield550Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 9,188us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AuroraButterfield550Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 16,829us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AuroraButterfield550Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 26,017us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AuroraButterfield550Member
     
Real Estate Accumulated Depreciation 4,951us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AuroraButterfield550Member
     
Aurora 940 N. Enterprise [Member] [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora940NEnterpriseMemberMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,674us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora940NEnterpriseMemberMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,962us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora940NEnterpriseMemberMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,180us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora940NEnterpriseMemberMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,674us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora940NEnterpriseMemberMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,142us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora940NEnterpriseMemberMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,816us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora940NEnterpriseMemberMember
     
Real Estate Accumulated Depreciation 801us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Aurora940NEnterpriseMemberMember
     
Austell Hartman Business Center V [Member] [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AustellHartmanBusinessCenterVMemberMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,640us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AustellHartmanBusinessCenterVMemberMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 21,471us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AustellHartmanBusinessCenterVMemberMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AustellHartmanBusinessCenterVMemberMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,640us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AustellHartmanBusinessCenterVMemberMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 21,471us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AustellHartmanBusinessCenterVMemberMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 24,111us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AustellHartmanBusinessCenterVMemberMember
     
Real Estate Accumulated Depreciation 2,349us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AustellHartmanBusinessCenterVMemberMember
     
Avon AllPoints Midwest Bldg 4 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AvonAllPointsMidwestBldg4Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,111us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AvonAllPointsMidwestBldg4Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,943us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AvonAllPointsMidwestBldg4Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AvonAllPointsMidwestBldg4Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,111us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AvonAllPointsMidwestBldg4Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,943us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AvonAllPointsMidwestBldg4Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,054us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AvonAllPointsMidwestBldg4Member
     
Real Estate Accumulated Depreciation 1,345us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AvonAllPointsMidwestBldg4Member
     
Baltimore 5901 Holabird Ave [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Baltimore5901HolabirdAveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,345us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Baltimore5901HolabirdAveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,957us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Baltimore5901HolabirdAveMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,379us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Baltimore5901HolabirdAveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,345us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Baltimore5901HolabirdAveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,336us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Baltimore5901HolabirdAveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,681us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Baltimore5901HolabirdAveMember
     
Real Estate Accumulated Depreciation 3,415us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Baltimore5901HolabirdAveMember
     
Baltimore 5003 Holabird Ave [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Baltimore5003HolabirdAveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 6,488us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Baltimore5003HolabirdAveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,162us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Baltimore5003HolabirdAveMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,961us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Baltimore5003HolabirdAveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,488us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Baltimore5003HolabirdAveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,123us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Baltimore5003HolabirdAveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 17,611us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Baltimore5003HolabirdAveMember
     
Real Estate Accumulated Depreciation 3,672us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Baltimore5003HolabirdAveMember
     
Baltimore 2010 Broening Hwy. [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Baltimore2010BroeningHwy.Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 37,557us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Baltimore2010BroeningHwy.Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 45,441us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Baltimore2010BroeningHwy.Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Baltimore2010BroeningHwy.Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 37,557us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Baltimore2010BroeningHwy.Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 45,441us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Baltimore2010BroeningHwy.Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 82,998us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Baltimore2010BroeningHwy.Member
     
Real Estate Accumulated Depreciation 850us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Baltimore2010BroeningHwy.Member
     
Baltimore 5501 Holabird Ave. [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Baltimore5501HolabirdAve.Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 13,724us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Baltimore5501HolabirdAve.Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,063us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Baltimore5501HolabirdAve.Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Baltimore5501HolabirdAve.Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 13,724us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Baltimore5501HolabirdAve.Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,063us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Baltimore5501HolabirdAve.Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 22,787us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Baltimore5501HolabirdAve.Member
     
Real Estate Accumulated Depreciation 316us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Baltimore5501HolabirdAve.Member
     
Baytown Cedar Crossing [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 9,489us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BaytownCedarCrossingMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 9,323us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BaytownCedarCrossingMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,934us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BaytownCedarCrossingMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BaytownCedarCrossingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 9,323us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BaytownCedarCrossingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,934us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BaytownCedarCrossingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,257us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BaytownCedarCrossingMember
     
Real Estate Accumulated Depreciation 2,880us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BaytownCedarCrossingMember
     
Bloomington Hampshire Dist Center North [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BloomingtonHampshireDistCenterNorthMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 779us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BloomingtonHampshireDistCenterNorthMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,474us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BloomingtonHampshireDistCenterNorthMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,320us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BloomingtonHampshireDistCenterNorthMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 779us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BloomingtonHampshireDistCenterNorthMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,794us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BloomingtonHampshireDistCenterNorthMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,573us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BloomingtonHampshireDistCenterNorthMember
     
Real Estate Accumulated Depreciation 2,680us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BloomingtonHampshireDistCenterNorthMember
     
Bloomington Hampshire Dist Center South [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BloomingtonHampshireDistCenterSouthMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 901us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BloomingtonHampshireDistCenterSouthMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,010us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BloomingtonHampshireDistCenterSouthMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 516us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BloomingtonHampshireDistCenterSouthMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 900us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BloomingtonHampshireDistCenterSouthMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,527us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BloomingtonHampshireDistCenterSouthMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,427us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BloomingtonHampshireDistCenterSouthMember
     
Real Estate Accumulated Depreciation 2,534us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BloomingtonHampshireDistCenterSouthMember
     
Blue Ash Lake Forest Place [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BlueAshLakeForestPlaceMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,953us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BlueAshLakeForestPlaceMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,886us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BlueAshLakeForestPlaceMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 8,164us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BlueAshLakeForestPlaceMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,953us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BlueAshLakeForestPlaceMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 26,050us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BlueAshLakeForestPlaceMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 28,003us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BlueAshLakeForestPlaceMember
     
Real Estate Accumulated Depreciation 12,904us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BlueAshLakeForestPlaceMember
     
Blue Ash Northmark Bldg 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BlueAshNorthmarkBldg1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,452us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BlueAshNorthmarkBldg1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,246us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BlueAshNorthmarkBldg1Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,347us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BlueAshNorthmarkBldg1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,452us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BlueAshNorthmarkBldg1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,593us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BlueAshNorthmarkBldg1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,045us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BlueAshNorthmarkBldg1Member
     
Real Estate Accumulated Depreciation 1,548us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BlueAshNorthmarkBldg1Member
     
Blue Ash Westlake Center [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BlueAshWestlakeCenterMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,459us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BlueAshWestlakeCenterMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 13,686us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BlueAshWestlakeCenterMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 5,859us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BlueAshWestlakeCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,459us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BlueAshWestlakeCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 19,545us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BlueAshWestlakeCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 22,004us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BlueAshWestlakeCenterMember
     
Real Estate Accumulated Depreciation 9,865us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BlueAshWestlakeCenterMember
     
Bolingbrook Dawes Transportation [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BolingbrookDawesTransportationMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,050us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BolingbrookDawesTransportationMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,453us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BolingbrookDawesTransportationMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 142us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BolingbrookDawesTransportationMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,050us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BolingbrookDawesTransportationMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,595us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BolingbrookDawesTransportationMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,645us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BolingbrookDawesTransportationMember
     
Real Estate Accumulated Depreciation 2,452us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BolingbrookDawesTransportationMember
     
Bolingbrook 515 Crossroads Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 2,725us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Bolingbrook515CrossroadsParkwayMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 917us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Bolingbrook515CrossroadsParkwayMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,182us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Bolingbrook515CrossroadsParkwayMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 623us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Bolingbrook515CrossroadsParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 917us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Bolingbrook515CrossroadsParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,805us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Bolingbrook515CrossroadsParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,722us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Bolingbrook515CrossroadsParkwayMember
     
Real Estate Accumulated Depreciation 1,577us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Bolingbrook515CrossroadsParkwayMember
     
Bolingbrook Crossroads 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 3,679us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BolingbrookCrossroads1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,418us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BolingbrookCrossroads1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,794us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BolingbrookCrossroads1Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 682us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BolingbrookCrossroads1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,418us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BolingbrookCrossroads1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,476us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BolingbrookCrossroads1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,894us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BolingbrookCrossroads1Member
     
Real Estate Accumulated Depreciation 1,272us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BolingbrookCrossroads1Member
     
Bolingbrook Crossroads 3 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 2,663us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BolingbrookCrossroads3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,330us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BolingbrookCrossroads3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,450us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 136us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BolingbrookCrossroads3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,330us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BolingbrookCrossroads3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,586us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BolingbrookCrossroads3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,916us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BolingbrookCrossroads3Member
     
Real Estate Accumulated Depreciation 860us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BolingbrookCrossroads3Member
     
Bolingbrook 370 Crossroads Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Bolingbrook370CrossroadsParkwayMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,409us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Bolingbrook370CrossroadsParkwayMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,324us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Bolingbrook370CrossroadsParkwayMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 358us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Bolingbrook370CrossroadsParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,409us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Bolingbrook370CrossroadsParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,682us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Bolingbrook370CrossroadsParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,091us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Bolingbrook370CrossroadsParkwayMember
     
Real Estate Accumulated Depreciation 1,242us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Bolingbrook370CrossroadsParkwayMember
     
Bolingbrook 605 Crossroads Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Bolingbrook605CrossroadsParkwayMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,656us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Bolingbrook605CrossroadsParkwayMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,832us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Bolingbrook605CrossroadsParkwayMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 257us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Bolingbrook605CrossroadsParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,656us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Bolingbrook605CrossroadsParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,089us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Bolingbrook605CrossroadsParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,745us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Bolingbrook605CrossroadsParkwayMember
     
Real Estate Accumulated Depreciation 1,122us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Bolingbrook605CrossroadsParkwayMember
     
Bolingbrook 335 Crossroads Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Bolingbrook335CrossroadsParkwayMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,574us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Bolingbrook335CrossroadsParkwayMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,384us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Bolingbrook335CrossroadsParkwayMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 395us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Bolingbrook335CrossroadsParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,574us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Bolingbrook335CrossroadsParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,779us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Bolingbrook335CrossroadsParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,353us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Bolingbrook335CrossroadsParkwayMember
     
Real Estate Accumulated Depreciation 784us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Bolingbrook335CrossroadsParkwayMember
     
Boynton Beach Gateway Center 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,271us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,119us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter1Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 980us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,271us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,099us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,370us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter1Member
     
Real Estate Accumulated Depreciation 1,414us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter1Member
     
Boynton Beach Gateway Center 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,006us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,965us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter2Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 134us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,006us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,099us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,105us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter2Member
     
Real Estate Accumulated Depreciation 988us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter2Member
     
Boynton Beach Gateway Center 3 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,381us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,251us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter3Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 46us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,381us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,297us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,678us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter3Member
     
Real Estate Accumulated Depreciation 576us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter3Member
     
Boynton Beach Gateway Center 4 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,800us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter4Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,675us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter4Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 110us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter4Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,800us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter4Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,785us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter4Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,585us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter4Member
     
Real Estate Accumulated Depreciation 486us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter4Member
     
Boynton Beach Gateway Center 5 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter5Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,238us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter5Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,027us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter5Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,032us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter5Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,238us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter5Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,059us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter5Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,297us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 676us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter5Member
     
Boynton Beach Gateway Center 6 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,238us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,940us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 694us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,238us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter6Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,634us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,872us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 576us-gaap_RealEstateAccumulatedDepreciation
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= dre_BoyntonBeachGatewayCenter6Member
     
Boynton Beach Gateway Center 7 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,800us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,725us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 41us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter7Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,800us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter7Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,766us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter7Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,566us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter7Member
     
Real Estate Accumulated Depreciation 473us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter7Member
     
Boynton Beach Gateway Center 8 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 9,264us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 4,781us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,343us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 934us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter8Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,781us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter8Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,277us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter8Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 16,058us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 1,777us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BoyntonBeachGatewayCenter8Member
     
Braselton Braselton II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,365us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BraseltonBraseltonIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,811us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 4,890us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BraseltonBraseltonIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,884us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BraseltonBraseltonIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,182us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BraseltonBraseltonIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,066us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 3,501us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BraseltonBraseltonIiMember
     
Braselton 625 Braselton Pkwy [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 19,480us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Braselton625BraseltonPkwyMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 9,855us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Braselton625BraseltonPkwyMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 21,458us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 5,652us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 11,062us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 25,903us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 36,965us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Braselton625BraseltonPkwyMember
     
Real Estate Accumulated Depreciation 9,098us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Braselton625BraseltonPkwyMember
     
Braselton 1350 Braselton Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 8,227us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Braselton1350BraseltonParkwayMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,874us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Braselton1350BraseltonParkwayMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 5,193us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Braselton1350BraseltonParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 8,227us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Braselton1350BraseltonParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 14,067us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Braselton1350BraseltonParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 22,294us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Braselton1350BraseltonParkwayMember
     
Real Estate Accumulated Depreciation 5,662us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Braselton1350BraseltonParkwayMember
     
Brentwood Brentwood South Bus Ctr I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,065us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodBrentwoodSouthBusCtrIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,905us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodBrentwoodSouthBusCtrIMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,670us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodBrentwoodSouthBusCtrIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,065us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodBrentwoodSouthBusCtrIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,575us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodBrentwoodSouthBusCtrIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,640us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodBrentwoodSouthBusCtrIMember
     
Real Estate Accumulated Depreciation 2,598us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodBrentwoodSouthBusCtrIMember
     
Brentwood Brentwood South Bus Ctr II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodBrentwoodSouthBusCtrIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,065us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodBrentwoodSouthBusCtrIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,410us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodBrentwoodSouthBusCtrIiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,804us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodBrentwoodSouthBusCtrIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,065us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodBrentwoodSouthBusCtrIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,214us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodBrentwoodSouthBusCtrIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,279us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodBrentwoodSouthBusCtrIiMember
     
Real Estate Accumulated Depreciation 1,665us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodBrentwoodSouthBusCtrIiMember
     
Brentwood Brentwood South Bus Ctr III [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodBrentwoodSouthBusCtrIiiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 848us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodBrentwoodSouthBusCtrIiiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,457us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodBrentwoodSouthBusCtrIiiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,233us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodBrentwoodSouthBusCtrIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 848us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodBrentwoodSouthBusCtrIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,690us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodBrentwoodSouthBusCtrIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,538us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodBrentwoodSouthBusCtrIiiMember
     
Real Estate Accumulated Depreciation 1,824us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodBrentwoodSouthBusCtrIiiMember
     
Brentwood Creekside Crossing I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodCreeksideCrossingIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,566us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodCreeksideCrossingIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,863us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodCreeksideCrossingIMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,193us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodCreeksideCrossingIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,566us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodCreeksideCrossingIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,056us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodCreeksideCrossingIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,622us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodCreeksideCrossingIMember
     
Real Estate Accumulated Depreciation 4,324us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodCreeksideCrossingIMember
     
Brentwood Creekside Crossing II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodCreeksideCrossingIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,087us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodCreeksideCrossingIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,408us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodCreeksideCrossingIiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,490us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodCreeksideCrossingIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,087us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodCreeksideCrossingIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,898us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodCreeksideCrossingIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,985us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodCreeksideCrossingIiMember
     
Real Estate Accumulated Depreciation 3,941us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodCreeksideCrossingIiMember
     
Brentwood Creekside Crossing III [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodCreeksideCrossingIiiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,969us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodCreeksideCrossingIiiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,866us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodCreeksideCrossingIiiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,049us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodCreeksideCrossingIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,969us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodCreeksideCrossingIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,915us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodCreeksideCrossingIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,884us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodCreeksideCrossingIiiMember
     
Real Estate Accumulated Depreciation 3,038us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodCreeksideCrossingIiiMember
     
Brentwood Creekside Crossing IV [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodCreeksideCrossingIvMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,966us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodCreeksideCrossingIvMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,540us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodCreeksideCrossingIvMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 6,299us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodCreeksideCrossingIvMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,877us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodCreeksideCrossingIvMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,928us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodCreeksideCrossingIvMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,805us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodCreeksideCrossingIvMember
     
Real Estate Accumulated Depreciation 3,475us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrentwoodCreeksideCrossingIvMember
     
Bridgeton DukePort I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,124us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,374us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportIMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 430us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,124us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,804us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,928us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportIMember
     
Real Estate Accumulated Depreciation 1,235us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportIMember
     
Bridgeton DukePort II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,470us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,880us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportIiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 61us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,470us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,941us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,411us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportIiMember
     
Real Estate Accumulated Depreciation 710us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportIiMember
     
Bridgeton DukePort V [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportVMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 600us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportVMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,898us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportVMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 197us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportVMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 600us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportVMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,095us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportVMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,695us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportVMember
     
Real Estate Accumulated Depreciation 518us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportVMember
     
Bridgeton DukePort VI [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportViMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,664us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportViMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,145us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportViMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 182us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportViMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,664us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportViMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,327us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportViMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,991us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportViMember
     
Real Estate Accumulated Depreciation 1,407us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportViMember
     
Bridgeton DukePort VII [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportViiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 834us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportViiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,960us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportViiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 58us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportViiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 834us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportViiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,018us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportViiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,852us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportViiMember
     
Real Estate Accumulated Depreciation 734us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportViiMember
     
Bridgeton DukePort IX [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportIxMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,475us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportIxMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,646us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportIxMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,755us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportIxMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,475us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportIxMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,401us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportIxMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,876us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportIxMember
     
Real Estate Accumulated Depreciation 1,219us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BridgetonDukeportIxMember
     
Brooklyn Park 7300 Northland Drive [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynPark7300NorthlandDriveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 700us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynPark7300NorthlandDriveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,565us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynPark7300NorthlandDriveMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 388us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynPark7300NorthlandDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 703us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynPark7300NorthlandDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,950us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynPark7300NorthlandDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,653us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynPark7300NorthlandDriveMember
     
Real Estate Accumulated Depreciation 2,525us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynPark7300NorthlandDriveMember
     
Brooklyn Crosstown North Bus. Ctr. 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 3,234us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynCrosstownNorthBusCtr1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 835us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynCrosstownNorthBusCtr1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,651us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynCrosstownNorthBusCtr1Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,226us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynCrosstownNorthBusCtr1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,121us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynCrosstownNorthBusCtr1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,591us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynCrosstownNorthBusCtr1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,712us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynCrosstownNorthBusCtr1Member
     
Real Estate Accumulated Depreciation 2,301us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynCrosstownNorthBusCtr1Member
     
Brooklyn Park Crosstown North Bus. Ctr. 4 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 4,885us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynParkCrosstownNorthBusCtr4Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,079us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynParkCrosstownNorthBusCtr4Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,828us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynParkCrosstownNorthBusCtr4Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,776us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynParkCrosstownNorthBusCtr4Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,233us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynParkCrosstownNorthBusCtr4Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,450us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynParkCrosstownNorthBusCtr4Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,683us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynParkCrosstownNorthBusCtr4Member
     
Real Estate Accumulated Depreciation 3,029us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynParkCrosstownNorthBusCtr4Member
     
Brooklyn Park Crosstown North Bus. Ctr. 5 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 2,897us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynParkCrosstownNorthBusCtr5Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,079us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynParkCrosstownNorthBusCtr5Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,983us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynParkCrosstownNorthBusCtr5Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 866us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynParkCrosstownNorthBusCtr5Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,354us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynParkCrosstownNorthBusCtr5Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,574us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynParkCrosstownNorthBusCtr5Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,928us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynParkCrosstownNorthBusCtr5Member
     
Real Estate Accumulated Depreciation 1,938us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynParkCrosstownNorthBusCtr5Member
     
Brooklyn Park Crosstown North Bus. Ctr. 10 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 3,909us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynParkCrosstownNorthBusCtr10Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,757us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynParkCrosstownNorthBusCtr10Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,660us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynParkCrosstownNorthBusCtr10Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,219us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynParkCrosstownNorthBusCtr10Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,723us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynParkCrosstownNorthBusCtr10Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,913us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynParkCrosstownNorthBusCtr10Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,636us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynParkCrosstownNorthBusCtr10Member
     
Real Estate Accumulated Depreciation 2,590us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynParkCrosstownNorthBusCtr10Member
     
Brooklyn Park Crosstown North Bus. Ctr. 12 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 6,910us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynParkCrosstownNorthBusCtr12Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,564us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynParkCrosstownNorthBusCtr12Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,852us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynParkCrosstownNorthBusCtr12Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,122us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynParkCrosstownNorthBusCtr12Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,564us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynParkCrosstownNorthBusCtr12Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,974us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynParkCrosstownNorthBusCtr12Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,538us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynParkCrosstownNorthBusCtr12Member
     
Real Estate Accumulated Depreciation 3,185us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BrooklynParkCrosstownNorthBusCtr12Member
     
Burleson Baylor Emergency @ Burleson [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BurlesonBaylorEmergencyBurlesonMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,425us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BurlesonBaylorEmergencyBurlesonMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,902us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BurlesonBaylorEmergencyBurlesonMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BurlesonBaylorEmergencyBurlesonMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,425us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BurlesonBaylorEmergencyBurlesonMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,902us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BurlesonBaylorEmergencyBurlesonMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,327us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BurlesonBaylorEmergencyBurlesonMember
     
Real Estate Accumulated Depreciation 353us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BurlesonBaylorEmergencyBurlesonMember
     
Burr Ridge Burr Ridge Medical Center [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BurrRidgeBurrRidgeMedicalCenterMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,392us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BurrRidgeBurrRidgeMedicalCenterMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 31,506us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BurrRidgeBurrRidgeMedicalCenterMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,074us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BurrRidgeBurrRidgeMedicalCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,392us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BurrRidgeBurrRidgeMedicalCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 33,580us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BurrRidgeBurrRidgeMedicalCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 38,972us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BurrRidgeBurrRidgeMedicalCenterMember
     
Real Estate Accumulated Depreciation 3,797us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_BurrRidgeBurrRidgeMedicalCenterMember
     
Carmel Hamilton Crossing I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 833us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,445us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingIMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,304us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 845us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,737us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,582us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingIMember
     
Real Estate Accumulated Depreciation 3,247us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingIMember
     
Carmel Hamilton Crossing II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 313us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 492us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingIiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,717us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 313us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,209us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,522us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingIiMember
     
Real Estate Accumulated Depreciation 1,172us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingIiMember
     
Carmel Hamilton Crossing III [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingIiiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 890us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingIiiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,144us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingIiiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 4,956us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 890us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,100us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,990us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingIiiMember
     
Real Estate Accumulated Depreciation 3,583us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingIiiMember
     
Carmel Hamilton Crossing IV [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingIvMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 515us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingIvMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,768us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingIvMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 771us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingIvMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 515us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingIvMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,539us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingIvMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,054us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingIvMember
     
Real Estate Accumulated Depreciation 2,437us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingIvMember
     
Carmel Hamilton Crossing VI [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingViMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,044us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingViMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,632us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingViMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,363us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingViMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,068us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingViMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,971us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingViMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,039us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingViMember
     
Real Estate Accumulated Depreciation 5,361us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarmelHamiltonCrossingViMember
     
Carol Stream Carol Stream IV [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 7,808us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarolStreamCarolStreamIvMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,204us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarolStreamCarolStreamIvMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,970us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarolStreamCarolStreamIvMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,308us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarolStreamCarolStreamIvMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,204us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarolStreamCarolStreamIvMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,278us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarolStreamCarolStreamIvMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 16,482us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarolStreamCarolStreamIvMember
     
Real Estate Accumulated Depreciation 4,213us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarolStreamCarolStreamIvMember
     
Carol Stream Carol Stream I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarolStreamCarolStreamIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,095us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarolStreamCarolStreamIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,438us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarolStreamCarolStreamIMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarolStreamCarolStreamIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,095us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarolStreamCarolStreamIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,438us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarolStreamCarolStreamIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,533us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarolStreamCarolStreamIMember
     
Real Estate Accumulated Depreciation 797us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarolStreamCarolStreamIMember
     
Carol Stream Carol Stream III [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarolStreamCarolStreamIiiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,556us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarolStreamCarolStreamIiiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,300us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarolStreamCarolStreamIiiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 370us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarolStreamCarolStreamIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,569us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarolStreamCarolStreamIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,657us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarolStreamCarolStreamIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,226us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarolStreamCarolStreamIiiMember
     
Real Estate Accumulated Depreciation 1,140us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarolStreamCarolStreamIiiMember
     
Carol Stream 250 Kehoe Blvd, Carol Stream [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarolStream250KehoeBlvdCarolStreamMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,715us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CarolStream250KehoeBlvdCarolStreamMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,560us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 221us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,715us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,781us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,496us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 927us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Carol Stream 720 Center Avenue [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 4,031us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 20,735us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,024us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,756us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 21,034us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 25,790us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 3,798us-gaap_RealEstateAccumulatedDepreciation
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Carol Stream 189-199 Easy Street [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,075us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,739us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 11us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,075us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,750us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,825us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 458us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Cary 200 Regency Forest Drive [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,230us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,806us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,237us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,230us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Cary200RegencyForestDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 15,043us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 16,273us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 5,782us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Cary 100 Regency Forest Drive [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,538us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,190us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,106us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,618us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,216us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,834us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 4,955us-gaap_RealEstateAccumulatedDepreciation
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Cedar Park Cedar Park MOB I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 576us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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= dre_CedarParkCedarParkMobIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 15,666us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 972us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 576us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CedarParkCedarParkMobIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 16,638us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CedarParkCedarParkMobIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 17,214us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CedarParkCedarParkMobIMember
     
Real Estate Accumulated Depreciation 3,071us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CedarParkCedarParkMobIMember
     
Cedartown Harbin Clinic Cedartown MOB [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 755us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,121us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 755us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,121us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,876us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CedartownHarbinClinicCedartownMobMember
     
Real Estate Accumulated Depreciation 351us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CedartownHarbinClinicCedartownMobMember
     
Celebration Celebration Medical Plaza [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 12,300us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 558us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,335us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 384us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 558us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CelebrationCelebrationMedicalPlazaMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 17,719us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CelebrationCelebrationMedicalPlazaMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 18,277us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CelebrationCelebrationMedicalPlazaMember
     
Real Estate Accumulated Depreciation 2,545us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CelebrationCelebrationMedicalPlazaMember
     
Chantilly 15002 Northridge Dr. [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Chantilly15002NorthridgeDrMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,082us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Chantilly15002NorthridgeDrMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,263us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Chantilly15002NorthridgeDrMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,831us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Chantilly15002NorthridgeDrMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,082us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Chantilly15002NorthridgeDrMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,094us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Chantilly15002NorthridgeDrMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,176us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Chantilly15002NorthridgeDrMember
     
Real Estate Accumulated Depreciation 1,446us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Chantilly15002NorthridgeDrMember
     
Chantilly 15004 Northridge Dr. [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Chantilly15004NorthridgeDrMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,366us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Chantilly15004NorthridgeDrMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,920us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Chantilly15004NorthridgeDrMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,184us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Chantilly15004NorthridgeDrMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,366us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Chantilly15004NorthridgeDrMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,104us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Chantilly15004NorthridgeDrMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,470us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Chantilly15004NorthridgeDrMember
     
Real Estate Accumulated Depreciation 1,658us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Chantilly15004NorthridgeDrMember
     
Chantilly 15006 Northridge Dr. [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Chantilly15006NorthridgeDrMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,920us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Chantilly15006NorthridgeDrMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,892us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Chantilly15006NorthridgeDrMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,359us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Chantilly15006NorthridgeDrMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,920us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Chantilly15006NorthridgeDrMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,251us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Chantilly15006NorthridgeDrMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,171us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Chantilly15006NorthridgeDrMember
     
Real Estate Accumulated Depreciation 1,597us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Chantilly15006NorthridgeDrMember
     
Charlotte Morehead Medical Plaza I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CharlotteMoreheadMedicalPlazaIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 191us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CharlotteMoreheadMedicalPlazaIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 39,047us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CharlotteMoreheadMedicalPlazaIMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 130us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CharlotteMoreheadMedicalPlazaIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 191us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CharlotteMoreheadMedicalPlazaIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 39,177us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CharlotteMoreheadMedicalPlazaIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 39,368us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CharlotteMoreheadMedicalPlazaIMember
     
Real Estate Accumulated Depreciation 6,819us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CharlotteMoreheadMedicalPlazaIMember
     
Chino Chino I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_ChinoChinoIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 14,046us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,236us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,971us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 14,046us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,207us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 24,253us-gaap_RealEstateGrossAtCarryingValue
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Real Estate Accumulated Depreciation 1,277us-gaap_RealEstateAccumulatedDepreciation
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= dre_ChinoChinoIMember
     
Cincinnati 311 Elm [Domain]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 339us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,163us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,492us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,994us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,994us-gaap_RealEstateGrossAtCarryingValue
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Real Estate Accumulated Depreciation 5,497us-gaap_RealEstateAccumulatedDepreciation
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Cincinnati 8790 Governor's Hill [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 400us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,182us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,507us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 408us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,681us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,089us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 3,293us-gaap_RealEstateAccumulatedDepreciation
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Cincinnati 8600/8650 Governor's Hill Dr. [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,220us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,078us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 8,008us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,245us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 24,061us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 25,306us-gaap_RealEstateGrossAtCarryingValue
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Real Estate Accumulated Depreciation 14,316us-gaap_RealEstateAccumulatedDepreciation
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Cincinnati 8230 Kenwood Commons [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 2,131us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,864us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,333us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 638us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,197us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,835us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 3,886us-gaap_RealEstateAccumulatedDepreciation
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Cincinnati 8280 Kenwood Commons [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 1,269us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 638us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,539us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 908us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 638us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,447us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,085us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 2,302us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Cincinnati Kenwood Medical Office Bldg. [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,663us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 100us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiKenwoodMedicalOfficeBldgMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiKenwoodMedicalOfficeBldgMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,763us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiKenwoodMedicalOfficeBldgMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,763us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiKenwoodMedicalOfficeBldgMember
     
Real Estate Accumulated Depreciation 3,262us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiKenwoodMedicalOfficeBldgMember
     
Cincinnati Pfeiffer Woods [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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= dre_CincinnatiPfeifferWoodsMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,450us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiPfeifferWoodsMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,612us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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= dre_CincinnatiPfeifferWoodsMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,443us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiPfeifferWoodsMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,450us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiPfeifferWoodsMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,055us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiPfeifferWoodsMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,505us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiPfeifferWoodsMember
     
Real Estate Accumulated Depreciation 5,316us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiPfeifferWoodsMember
     
Cincinnati Remington Park Building A and B [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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= dre_CincinnatiRemingtonParkBuildingAandBMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,120us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiRemingtonParkBuildingAandBMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,062us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiRemingtonParkBuildingAandBMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 484us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiRemingtonParkBuildingAandBMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,120us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiRemingtonParkBuildingAandBMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,546us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiRemingtonParkBuildingAandBMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,666us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiRemingtonParkBuildingAandBMember
     
Real Estate Accumulated Depreciation 1,741us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiRemingtonParkBuildingAandBMember
     
Cincinnati Triangle Office Park [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,018us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiTriangleOfficeParkMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,521us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiTriangleOfficeParkMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 57us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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= dre_CincinnatiTriangleOfficeParkMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,018us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiTriangleOfficeParkMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,578us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiTriangleOfficeParkMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,596us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiTriangleOfficeParkMember
     
Real Estate Accumulated Depreciation 8,852us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiTriangleOfficeParkMember
     
Cincinnati World Park Bldg 8 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg8Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,095us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg8Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,640us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg8Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 301us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg8Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,095us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg8Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,941us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg8Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,036us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg8Member
     
Real Estate Accumulated Depreciation 584us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg8Member
     
Cincinnati World Park Bldg 11 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg11Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 674us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg11Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,032us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg11Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 296us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg11Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 674us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg11Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,328us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg11Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,002us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg11Member
     
Real Estate Accumulated Depreciation 531us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg11Member
     
Cincinnati World Park Bldg 14 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 668us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg14Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,617us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg14Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 157us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg14Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 668us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg14Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,774us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg14Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,442us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg14Member
     
Real Estate Accumulated Depreciation 808us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg14Member
     
Cincinnati World Park Bldg 15 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg15Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 488us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg15Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,769us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg15Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 62us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg15Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 488us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg15Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,831us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg15Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,319us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg15Member
     
Real Estate Accumulated Depreciation 323us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg15Member
     
Cincinnati World Park Bldg 16 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg16Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 525us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg16Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,086us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg16Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg16Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 525us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg16Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,087us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg16Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,612us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg16Member
     
Real Estate Accumulated Depreciation 417us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg16Member
     
Cincinnati World Park Bldg 17 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg17Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,133us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg17Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,550us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg17Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 73us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg17Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,133us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg17Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,623us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg17Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,756us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg17Member
     
Real Estate Accumulated Depreciation 915us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg17Member
     
Cincinnati World Park Bldg 18 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg18Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,268us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg18Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,200us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg18Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 104us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg18Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,268us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg18Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,304us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg18Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,572us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg18Member
     
Real Estate Accumulated Depreciation 925us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg18Member
     
Cincinnati World Park Bldg 28 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg28Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 870us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg28Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,293us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg28Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 866us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg28Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 870us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg28Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,159us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg28Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,029us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg28Member
     
Real Estate Accumulated Depreciation 921us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg28Member
     
Cincinnati World Park Bldg 29 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg29Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,605us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg29Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,220us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg29Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 11us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg29Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,605us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg29Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,231us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg29Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,836us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg29Member
     
Real Estate Accumulated Depreciation 1,685us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg29Member
     
Cincinnati World Park Bldg 30 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg30Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,492us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg30Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,964us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg30Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 447us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg30Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,492us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg30Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,411us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg30Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,903us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg30Member
     
Real Estate Accumulated Depreciation 2,326us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg30Member
     
Cincinnati World Park Bldg 31 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg31Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 533us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg31Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,531us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg31Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 354us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg31Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 533us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg31Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,885us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg31Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,418us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg31Member
     
Real Estate Accumulated Depreciation 528us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWorldParkBldg31Member
     
Cincinnati Western Ridge [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWesternRidgeMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,894us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWesternRidgeMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,028us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWesternRidgeMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 785us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWesternRidgeMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,915us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWesternRidgeMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,792us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWesternRidgeMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,707us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWesternRidgeMember
     
Real Estate Accumulated Depreciation 1,744us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWesternRidgeMember
     
Cincinnati Western Ridge MOB II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWesternRidgeMobIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,020us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWesternRidgeMobIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,544us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWesternRidgeMobIiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 59us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWesternRidgeMobIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,020us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWesternRidgeMobIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,603us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWesternRidgeMobIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,623us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWesternRidgeMobIiMember
     
Real Estate Accumulated Depreciation 595us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiWesternRidgeMobIiMember
     
Cincinnati Good Samaritan Clifton [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiGoodSamaritanCliftonMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 50us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiGoodSamaritanCliftonMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,438us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiGoodSamaritanCliftonMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 105us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiGoodSamaritanCliftonMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 50us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiGoodSamaritanCliftonMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,543us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiGoodSamaritanCliftonMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,593us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_CincinnatiGoodSamaritanCliftonMember
     
Real Estate Accumulated Depreciation 875us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Cincinnati TriHealth Cardiology Anderson [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate Accumulated Depreciation 309us-gaap_RealEstateAccumulatedDepreciation
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Cincinnati West Chester Medical Off. Bldg [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,818us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,544us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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College Station College Station Medical Center [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,551us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate Accumulated Depreciation 2,932us-gaap_RealEstateAccumulatedDepreciation
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Colleyville Baylor Emergency @ Colleyville [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate Accumulated Depreciation 151us-gaap_RealEstateAccumulatedDepreciation
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Columbus 4343 Easton Commons land lot [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate Accumulated Depreciation 0us-gaap_RealEstateAccumulatedDepreciation
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Coppell Freeport X [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
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Coppell Point West VI [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
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Coppell Point West VII [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 13,775us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 6,785us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 6,637us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 7,201us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 19,889us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate Accumulated Depreciation 7,946us-gaap_RealEstateAccumulatedDepreciation
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Coppell Samsung Pkg Lot-PWT7 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate Accumulated Depreciation 0us-gaap_RealEstateAccumulatedDepreciation
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Corona 1283 Sherborn Street [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 16,818us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 25,495us-gaap_RealEstateGrossAtCarryingValue
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Real Estate Accumulated Depreciation 3,106us-gaap_RealEstateAccumulatedDepreciation
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Cranbury 311 Half Acre Road [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 6,600us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,600us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 14,636us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 21,236us-gaap_RealEstateGrossAtCarryingValue
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Real Estate Accumulated Depreciation 1,095us-gaap_RealEstateAccumulatedDepreciation
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Cranbury 315 Half Acre Road [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 14,100us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 30,084us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 14,100us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 30,084us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 44,184us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Cranbury315HalfAcreRoadMember
     
Real Estate Accumulated Depreciation 2,223us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Cranbury315HalfAcreRoadMember
     
Dallas Baylor Administration Building [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DallasBaylorAdministrationBuildingMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 50us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DallasBaylorAdministrationBuildingMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 14,435us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DallasBaylorAdministrationBuildingMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 100us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DallasBaylorAdministrationBuildingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 150us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DallasBaylorAdministrationBuildingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 14,435us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DallasBaylorAdministrationBuildingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,585us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DallasBaylorAdministrationBuildingMember
     
Real Estate Accumulated Depreciation 2,865us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DallasBaylorAdministrationBuildingMember
     
Davenport Park 27 Distribution Center I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavenportPark27DistributionCenterIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,449us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavenportPark27DistributionCenterIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,224us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavenportPark27DistributionCenterIMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 392us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavenportPark27DistributionCenterIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,660us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavenportPark27DistributionCenterIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,405us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavenportPark27DistributionCenterIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,065us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavenportPark27DistributionCenterIMember
     
Real Estate Accumulated Depreciation 2,656us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavenportPark27DistributionCenterIMember
     
Davenport Park 27 Distribution Center II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavenportPark27DistributionCenterIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,374us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavenportPark27DistributionCenterIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,967us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavenportPark27DistributionCenterIiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 5,387us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavenportPark27DistributionCenterIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,746us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavenportPark27DistributionCenterIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,982us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavenportPark27DistributionCenterIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 17,728us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavenportPark27DistributionCenterIiMember
     
Real Estate Accumulated Depreciation 5,512us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavenportPark27DistributionCenterIiMember
     
Davie Westport Business Park 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 2,071us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavieWestportBusinessPark1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,200us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavieWestportBusinessPark1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,317us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavieWestportBusinessPark1Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 59us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavieWestportBusinessPark1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,200us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavieWestportBusinessPark1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,376us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavieWestportBusinessPark1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,576us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavieWestportBusinessPark1Member
     
Real Estate Accumulated Depreciation 341us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavieWestportBusinessPark1Member
     
Davie Westport Business Park 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 1,733us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavieWestportBusinessPark2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,088us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavieWestportBusinessPark2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 798us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavieWestportBusinessPark2Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 228us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavieWestportBusinessPark2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,088us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavieWestportBusinessPark2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,026us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavieWestportBusinessPark2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,114us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavieWestportBusinessPark2Member
     
Real Estate Accumulated Depreciation 238us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavieWestportBusinessPark2Member
     
Davie Westport Business Park 3 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 5,131us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavieWestportBusinessPark3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,363us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavieWestportBusinessPark3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,333us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavieWestportBusinessPark3Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 826us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavieWestportBusinessPark3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,363us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavieWestportBusinessPark3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,159us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavieWestportBusinessPark3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,522us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavieWestportBusinessPark3Member
     
Real Estate Accumulated Depreciation 1,204us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DavieWestportBusinessPark3Member
     
Deerfield Township Deerfield Crossing A [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipDeerfieldCrossingMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,493us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipDeerfieldCrossingMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,293us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipDeerfieldCrossingMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,770us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipDeerfieldCrossingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,493us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipDeerfieldCrossingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,063us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipDeerfieldCrossingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,556us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipDeerfieldCrossingMember
     
Real Estate Accumulated Depreciation 5,440us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipDeerfieldCrossingMember
     
Deerfield Township Deerfield Crossing B [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipDeerfieldCrossingBMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,069us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipDeerfieldCrossingBMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,473us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipDeerfieldCrossingBMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,096us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipDeerfieldCrossingBMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,069us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipDeerfieldCrossingBMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,569us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipDeerfieldCrossingBMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,638us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipDeerfieldCrossingBMember
     
Real Estate Accumulated Depreciation 3,980us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipDeerfieldCrossingBMember
     
Deerfield Township Governor's Pointe 4770 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipGovernorsPointe4770Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 586us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipGovernorsPointe4770Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,196us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipGovernorsPointe4770Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,406us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipGovernorsPointe4770Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 596us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipGovernorsPointe4770Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,592us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipGovernorsPointe4770Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,188us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipGovernorsPointe4770Member
     
Real Estate Accumulated Depreciation 5,775us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipGovernorsPointe4770Member
     
Deerfield Township Governor's Pointe 4705 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipGovernorsPointe4705Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 719us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipGovernorsPointe4705Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,642us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipGovernorsPointe4705Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 4,415us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipGovernorsPointe4705Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 928us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipGovernorsPointe4705Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,848us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipGovernorsPointe4705Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,776us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipGovernorsPointe4705Member
     
Real Estate Accumulated Depreciation 5,943us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipGovernorsPointe4705Member
     
Deerfield Township Governor's Pointe 4605 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipGovernorsPointe4605Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 578us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipGovernorsPointe4605Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 15,709us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipGovernorsPointe4605Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 8,409us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipGovernorsPointe4605Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 996us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipGovernorsPointe4605Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 23,700us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipGovernorsPointe4605Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 24,696us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipGovernorsPointe4605Member
     
Real Estate Accumulated Depreciation 12,148us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipGovernorsPointe4605Member
     
Deerfield Township Governor's Pointe 4660 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipGovernorsPointe4660Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 385us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipGovernorsPointe4660Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,784us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipGovernorsPointe4660Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,002us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipGovernorsPointe4660Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 385us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_DeerfieldTownshipGovernorsPointe4660Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,786us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Deerfield Township Governor's Pointe 4680 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
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Real Estate and Accumulated Depreciation, Initial Cost of Land 811us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,578us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 811us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Deer Park 801 Seaco Court [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,331us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,158us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate Accumulated Depreciation 771us-gaap_RealEstateAccumulatedDepreciation
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Duluth 2775 Premiere Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 6,528us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 560us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 582us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 560us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,003us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,563us-gaap_RealEstateGrossAtCarryingValue
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Real Estate Accumulated Depreciation 1,904us-gaap_RealEstateAccumulatedDepreciation
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Duluth 3079 Premiere Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 9,484us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 776us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,695us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,524us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 776us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,219us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,995us-gaap_RealEstateGrossAtCarryingValue
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Real Estate Accumulated Depreciation 2,842us-gaap_RealEstateAccumulatedDepreciation
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Duluth 2855 Premiere Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 6,074us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 765us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,110us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,106us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 765us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,216us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,981us-gaap_RealEstateGrossAtCarryingValue
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Real Estate Accumulated Depreciation 1,698us-gaap_RealEstateAccumulatedDepreciation
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Duluth 6655 Sugarloaf [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 13,179us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,651us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,985us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,088us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,659us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,065us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,724us-gaap_RealEstateGrossAtCarryingValue
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Real Estate Accumulated Depreciation 2,847us-gaap_RealEstateAccumulatedDepreciation
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Duluth 6650 Sugarloaf Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 5,060us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,573us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,240us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 673us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,573us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,913us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,486us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 1,085us-gaap_RealEstateAccumulatedDepreciation
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Duluth 2450 Meadowbrook Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 383us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,622us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 616us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 383us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,238us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,621us-gaap_RealEstateGrossAtCarryingValue
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Real Estate Accumulated Depreciation 472us-gaap_RealEstateAccumulatedDepreciation
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Duluth 2625 Pinemeadow Court [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 861us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 199us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 861us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,520us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,381us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 649us-gaap_RealEstateAccumulatedDepreciation
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Duluth 2660 Pinemeadow Court [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 540us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,302us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 41us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 540us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,343us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,883us-gaap_RealEstateGrossAtCarryingValue
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Real Estate Accumulated Depreciation 579us-gaap_RealEstateAccumulatedDepreciation
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Duluth 2450 Satellite Boulevard [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 556us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,463us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 126us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 556us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,589us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,145us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 742us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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DuPont Amazon DuPont [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 34,634us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements (1,138)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 34,515us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 38,323us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 72,838us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 2,881us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Durham 1805 T.W. Alexander Drive [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 4,110us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,497us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 159us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,110us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,656us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,766us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 1,376us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Durham 1757 T.W. Alexander Drive [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 8,623us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 2,998us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,095us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,998us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,095us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,093us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 1,284us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Eagan Apollo Industrial Ctr I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 3,276us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 866us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,750us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,893us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EaganApolloIndustrialCtrIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 880us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EaganApolloIndustrialCtrIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,629us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,509us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 2,556us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Eagan Apollo Industrial Ctr II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 1,617us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 474us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,332us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 402us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,734us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,208us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 1,051us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Eagan Apollo Industrial Ctr III [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 3,823us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,432us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,103us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 24us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,432us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EaganApolloIndustrialCtrIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,127us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EaganApolloIndustrialCtrIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,559us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 2,334us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Eagan Silver Bell Commons [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,807us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,527us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,261us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,740us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,855us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,595us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 3,615us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Eagan Trapp Road Commerce Center I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 2,213us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 671us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,754us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 507us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EaganTrappRoadCommerceCenterIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 691us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EaganTrappRoadCommerceCenterIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,241us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EaganTrappRoadCommerceCenterIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,932us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 1,894us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Eagan Trapp Road Commerce Center II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 3,867us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,250us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,917us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,433us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,250us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,350us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,600us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 3,135us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Earth City Rider Trail [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 2,615us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,779us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 4,426us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,615us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 14,205us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 16,820us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 6,686us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Earth City 3300 Pointe 70 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,186us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,990us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,933us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EarthCity3300Pointe70Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,186us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,923us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EarthCity3300Pointe70Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,109us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 4,595us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Earth City Corporate Center, Earth City [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 783us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,282us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,929us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 610us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,384us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,994us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 1,425us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Earth City Corporate Trail Distribution [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 2,850us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EarthCityCorporateTrailDistributionMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,163us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EarthCityCorporateTrailDistributionMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,239us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EarthCityCorporateTrailDistributionMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,875us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EarthCityCorporateTrailDistributionMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,377us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EarthCityCorporateTrailDistributionMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,252us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EarthCityCorporateTrailDistributionMember
     
Real Estate Accumulated Depreciation 3,785us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EarthCityCorporateTrailDistributionMember
     
East Point Camp Creek Bldg 1400 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 5,665us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg1400Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 561us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg1400Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,394us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg1400Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,789us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg1400Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 633us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg1400Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,111us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg1400Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,744us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg1400Member
     
Real Estate Accumulated Depreciation 1,661us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg1400Member
     
East Point Camp Creek Bldg 1800 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 4,634us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg1800Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 462us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg1800Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,440us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg1800Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 952us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg1800Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 515us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg1800Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,339us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg1800Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,854us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg1800Member
     
Real Estate Accumulated Depreciation 1,402us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg1800Member
     
East Point Camp Creek Bldg 2000 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 4,999us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg2000Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 395us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg2000Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,249us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg2000Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,223us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg2000Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 504us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg2000Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,363us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg2000Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,867us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg2000Member
     
Real Estate Accumulated Depreciation 1,411us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg2000Member
     
East Point Camp Creek Bldg 2400 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 4,321us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg2400Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 296us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg2400Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,288us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg2400Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,800us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg2400Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 369us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg2400Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,015us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg2400Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,384us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg2400Member
     
Real Estate Accumulated Depreciation 995us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg2400Member
     
East Point Camp Creek Bldg 2600 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 5,323us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg2600Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 364us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg2600Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,014us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg2600Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,106us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg2600Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,687us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg2600Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,797us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg2600Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,484us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg2600Member
     
Real Estate Accumulated Depreciation 1,934us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBldg2600Member
     
East Point 3201 Centre Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 20,908us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint3201CentreParkwayMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,406us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint3201CentreParkwayMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,506us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint3201CentreParkwayMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,865us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint3201CentreParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,565us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint3201CentreParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,212us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint3201CentreParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 17,777us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint3201CentreParkwayMember
     
Real Estate Accumulated Depreciation 5,982us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint3201CentreParkwayMember
     
East Point Camp Creek Building 1200 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBuilding1200Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,334us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBuilding1200Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 608us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBuilding1200Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,252us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBuilding1200Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,400us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBuilding1200Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,794us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBuilding1200Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,194us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBuilding1200Member
     
Real Estate Accumulated Depreciation 973us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBuilding1200Member
     
East Point 3900 North Commerce [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 6,265us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint3900NorthCommerceMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,059us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint3900NorthCommerceMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,966us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint3900NorthCommerceMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 930us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint3900NorthCommerceMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,210us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint3900NorthCommerceMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,745us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint3900NorthCommerceMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,955us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint3900NorthCommerceMember
     
Real Estate Accumulated Depreciation 1,275us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint3900NorthCommerceMember
     
East Point 3909 North Commerce [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint3909NorthCommerceMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,687us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint3909NorthCommerceMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,192us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint3909NorthCommerceMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 26,244us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint3909NorthCommerceMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 15,102us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint3909NorthCommerceMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 27,021us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint3909NorthCommerceMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 42,123us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint3909NorthCommerceMember
     
Real Estate Accumulated Depreciation 11,690us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint3909NorthCommerceMember
     
East Point 4200 N. Commerce [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 17,012us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint4200N.CommerceMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,065us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint4200N.CommerceMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,076us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint4200N.CommerceMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,008us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint4200N.CommerceMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,416us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint4200N.CommerceMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,733us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint4200N.CommerceMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,149us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint4200N.CommerceMember
     
Real Estate Accumulated Depreciation 2,594us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint4200N.CommerceMember
     
East Point Camp Creek Building 1000 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBuilding1000Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,537us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBuilding1000Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,538us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBuilding1000Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,305us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBuilding1000Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,606us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBuilding1000Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,774us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBuilding1000Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,380us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBuilding1000Member
     
Real Estate Accumulated Depreciation 1,775us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointCampCreekBuilding1000Member
     
East Point 3000 Centre Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint3000CentreParkwayMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,163us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,072us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,248us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,252us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint3000CentreParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,231us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint3000CentreParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,483us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint3000CentreParkwayMember
     
Real Estate Accumulated Depreciation 927us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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East Point 1500 Centre Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint1500CentreParkwayMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,683us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,099us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,436us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint1500CentreParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,814us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint1500CentreParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,404us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,218us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 1,694us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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East Point 1100 Centre Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint1100CentreParkwayMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,309us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,881us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 530us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,382us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint1100CentreParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,338us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint1100CentreParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,720us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 1,481us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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East Point 4800 N. Commerce Dr. (Site Q) [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint4800NCommerceDrSiteQMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,476us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint4800NCommerceDrSiteQMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,650us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint4800NCommerceDrSiteQMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,059us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint4800NCommerceDrSiteQMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,724us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint4800NCommerceDrSiteQMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,461us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint4800NCommerceDrSiteQMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,185us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint4800NCommerceDrSiteQMember
     
Real Estate Accumulated Depreciation 2,211us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint4800NCommerceDrSiteQMember
     
East Point 4100 North Commerce Drive [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint4100NorthCommerceDriveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,130us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint4100NorthCommerceDriveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,115us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint4100NorthCommerceDriveMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 527us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint4100NorthCommerceDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,312us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint4100NorthCommerceDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,460us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint4100NorthCommerceDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,772us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint4100NorthCommerceDriveMember
     
Real Estate Accumulated Depreciation 782us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPoint4100NorthCommerceDriveMember
     
East Point FedEx BTS [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointFedExBTSMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,878us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointFedExBTSMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,842us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointFedExBTSMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointFedExBTSMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,878us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointFedExBTSMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,842us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointFedExBTSMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,720us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointFedExBTSMember
     
Real Estate Accumulated Depreciation 78us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EastPointFedExBTSMember
     
Edwardsville Lakeview Commerce Building I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EdwardsvilleLakeviewCommerceBuildingIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,561us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EdwardsvilleLakeviewCommerceBuildingIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 18,604us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EdwardsvilleLakeviewCommerceBuildingIMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EdwardsvilleLakeviewCommerceBuildingIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,561us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EdwardsvilleLakeviewCommerceBuildingIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 18,604us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EdwardsvilleLakeviewCommerceBuildingIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 23,165us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EdwardsvilleLakeviewCommerceBuildingIMember
     
Real Estate Accumulated Depreciation 1,708us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EdwardsvilleLakeviewCommerceBuildingIMember
     
Elk Grove Village 1717 Busse Road [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 13,003us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_ElkGroveVillage1717BusseRoadMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,602us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_ElkGroveVillage1717BusseRoadMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 19,016us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_ElkGroveVillage1717BusseRoadMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_ElkGroveVillage1717BusseRoadMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,602us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_ElkGroveVillage1717BusseRoadMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 19,016us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_ElkGroveVillage1717BusseRoadMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 22,618us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_ElkGroveVillage1717BusseRoadMember
     
Real Estate Accumulated Depreciation 2,454us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_ElkGroveVillage1717BusseRoadMember
     
Elk Grove Village Yusen BTS [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_ElkGroveVillageYusenBTSMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 8,152us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_ElkGroveVillageYusenBTSMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,948us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_ElkGroveVillageYusenBTSMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 253us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_ElkGroveVillageYusenBTSMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 8,157us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_ElkGroveVillageYusenBTSMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,196us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_ElkGroveVillageYusenBTSMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 18,353us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_ElkGroveVillageYusenBTSMember
     
Real Estate Accumulated Depreciation 1,036us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_ElkGroveVillageYusenBTSMember
     
Ellenwood Anvil Block Road BTS [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EllenwoodAnvilBlockRoadBTSMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,664us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EllenwoodAnvilBlockRoadBTSMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,265us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EllenwoodAnvilBlockRoadBTSMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EllenwoodAnvilBlockRoadBTSMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,664us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EllenwoodAnvilBlockRoadBTSMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,265us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EllenwoodAnvilBlockRoadBTSMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,929us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EllenwoodAnvilBlockRoadBTSMember
     
Real Estate Accumulated Depreciation 212us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EllenwoodAnvilBlockRoadBTSMember
     
Fairfax Fair Oaks MOB [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FairfaxFairOaksMobMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 808us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FairfaxFairOaksMobMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 28,570us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FairfaxFairOaksMobMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 263us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FairfaxFairOaksMobMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 808us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FairfaxFairOaksMobMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 28,833us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FairfaxFairOaksMobMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 29,641us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FairfaxFairOaksMobMember
     
Real Estate Accumulated Depreciation 3,746us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FairfaxFairOaksMobMember
     
Fairfield Union Centre Industrial Park 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FairfieldUnionCentreIndustrialPark2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,635us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FairfieldUnionCentreIndustrialPark2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,709us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FairfieldUnionCentreIndustrialPark2Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,277us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FairfieldUnionCentreIndustrialPark2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,635us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FairfieldUnionCentreIndustrialPark2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,986us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FairfieldUnionCentreIndustrialPark2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 16,621us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FairfieldUnionCentreIndustrialPark2Member
     
Real Estate Accumulated Depreciation 4,038us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FairfieldUnionCentreIndustrialPark2Member
     
Fishers Exit 5 Building 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FishersExit5Building1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 822us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FishersExit5Building1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,606us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FishersExit5Building1Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 373us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FishersExit5Building1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 581us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FishersExit5Building1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,220us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FishersExit5Building1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,801us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FishersExit5Building1Member
     
Real Estate Accumulated Depreciation 1,229us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FishersExit5Building1Member
     
Fishers Exit 5 Building 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FishersExit5Building2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 749us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FishersExit5Building2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,830us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FishersExit5Building2Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,155us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FishersExit5Building2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 555us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FishersExit5Building2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,179us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FishersExit5Building2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,734us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FishersExit5Building2Member
     
Real Estate Accumulated Depreciation 1,617us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FishersExit5Building2Member
     
Fishers St. Vincent Northeast MOB [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FishersStVincentNortheastMobMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FishersStVincentNortheastMobMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 22,974us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FishersStVincentNortheastMobMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 4,836us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FishersStVincentNortheastMobMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,235us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FishersStVincentNortheastMobMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 23,575us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FishersStVincentNortheastMobMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 27,810us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FishersStVincentNortheastMobMember
     
Real Estate Accumulated Depreciation 10,328us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FishersStVincentNortheastMobMember
     
Flower Mound Lakeside Ranch Bldg 20 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FlowerMoundLakesideRanchBldg20Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 9,861us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FlowerMoundLakesideRanchBldg20Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 20,994us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FlowerMoundLakesideRanchBldg20Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 350us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FlowerMoundLakesideRanchBldg20Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 9,861us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FlowerMoundLakesideRanchBldg20Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 21,344us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FlowerMoundLakesideRanchBldg20Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 31,205us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FlowerMoundLakesideRanchBldg20Member
     
Real Estate Accumulated Depreciation 4,664us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FlowerMoundLakesideRanchBldg20Member
     
Fort Worth Riverpark Bldg 700 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FortWorthRiverparkBldg700Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,975us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FortWorthRiverparkBldg700Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,766us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FortWorthRiverparkBldg700Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 193us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FortWorthRiverparkBldg700Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,975us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FortWorthRiverparkBldg700Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,959us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FortWorthRiverparkBldg700Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,934us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FortWorthRiverparkBldg700Member
     
Real Estate Accumulated Depreciation 2,323us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FortWorthRiverparkBldg700Member
     
Franklin Aspen Grove Business Ctr I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCtrIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 936us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCtrIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,609us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCtrIMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,727us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCtrIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 936us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCtrIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,336us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCtrIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,272us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCtrIMember
     
Real Estate Accumulated Depreciation 2,901us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCtrIMember
     
Franklin Aspen Grove Business Ctr II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCtrIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,151us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCtrIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,013us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCtrIiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 984us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCtrIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,151us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCtrIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,997us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCtrIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,148us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCtrIiMember
     
Real Estate Accumulated Depreciation 2,727us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCtrIiMember
     
Franklin Aspen Grove Business Ctr III [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCtrIiiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 970us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCtrIiiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,116us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCtrIiiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 799us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCtrIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 970us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCtrIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,915us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCtrIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,885us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCtrIiiMember
     
Real Estate Accumulated Depreciation 2,378us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCtrIiiMember
     
Franklin Aspen Grove Business Center IV [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCenterIvMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 492us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCenterIvMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,234us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCenterIvMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 597us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCenterIvMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 492us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCenterIvMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,831us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCenterIvMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,323us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCenterIvMember
     
Real Estate Accumulated Depreciation 903us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCenterIvMember
     
Franklin Aspen Grove Business Ctr V [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCtrVMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 943us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCtrVMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,024us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCtrVMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,641us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCtrVMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 943us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCtrVMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,665us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCtrVMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,608us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCtrVMember
     
Real Estate Accumulated Depreciation 4,004us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveBusinessCtrVMember
     
Franklin Aspen Grove Flex Center II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveFlexCenterIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 240us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveFlexCenterIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,052us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveFlexCenterIiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 533us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveFlexCenterIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 240us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveFlexCenterIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,585us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveFlexCenterIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 1,825us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveFlexCenterIiMember
     
Real Estate Accumulated Depreciation 167us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveFlexCenterIiMember
     
Franklin Aspen Grove Office Center I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveOfficeCenterIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 950us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveOfficeCenterIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,412us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveOfficeCenterIMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,956us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveOfficeCenterIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 950us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveOfficeCenterIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,368us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveOfficeCenterIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,318us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveOfficeCenterIMember
     
Real Estate Accumulated Depreciation 3,350us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveOfficeCenterIMember
     
Franklin Aspen Grove Flex Center I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 301us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,061us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 914us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 301us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveFlexCenterIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,975us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveFlexCenterIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,276us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveFlexCenterIMember
     
Real Estate Accumulated Depreciation 797us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveFlexCenterIMember
     
Franklin Aspen Grove Flex Center III [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 327us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 851us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,172us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 327us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,023us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveFlexCenterIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,350us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 741us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveFlexCenterIiiMember
     
Franklin Aspen Grove Flex Center IV [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveFlexCenterIvMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 205us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 821us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 242us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 205us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveFlexCenterIvMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,063us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveFlexCenterIvMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 1,268us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveFlexCenterIvMember
     
Real Estate Accumulated Depreciation 375us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveFlexCenterIvMember
     
Franklin Aspen Corporate Center 100 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 723us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenCorporateCenter100Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,358us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenCorporateCenter100Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 542us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenCorporateCenter100Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 723us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenCorporateCenter100Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,900us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenCorporateCenter100Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,623us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenCorporateCenter100Member
     
Real Estate Accumulated Depreciation 788us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenCorporateCenter100Member
     
Franklin Aspen Corporate Center 200 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenCorporateCenter200Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,306us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenCorporateCenter200Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 564us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenCorporateCenter200Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,755us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenCorporateCenter200Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,306us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenCorporateCenter200Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,319us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenCorporateCenter200Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,625us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenCorporateCenter200Member
     
Real Estate Accumulated Depreciation 851us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenCorporateCenter200Member
     
Franklin Aspen Corporate Center 300 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenCorporateCenter300Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,451us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenCorporateCenter300Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,050us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenCorporateCenter300Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,902us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenCorporateCenter300Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,460us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenCorporateCenter300Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,943us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenCorporateCenter300Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,403us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenCorporateCenter300Member
     
Real Estate Accumulated Depreciation 1,504us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenCorporateCenter300Member
     
Franklin Aspen Corporate Center 400 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenCorporateCenter400Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,833us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenCorporateCenter400Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,961us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenCorporateCenter400Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,515us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenCorporateCenter400Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,833us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenCorporateCenter400Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,476us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenCorporateCenter400Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,309us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenCorporateCenter400Member
     
Real Estate Accumulated Depreciation 1,731us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenCorporateCenter400Member
     
Franklin Aspen Grove Office Center II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveOfficeCenterIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,320us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveOfficeCenterIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,218us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveOfficeCenterIiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,862us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveOfficeCenterIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,320us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveOfficeCenterIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,080us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveOfficeCenterIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,400us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveOfficeCenterIiMember
     
Real Estate Accumulated Depreciation 2,511us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinAspenGroveOfficeCenterIiMember
     
Franklin Brentwood South Bus Ctr IV [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinBrentwoodSouthBusCtrIvMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 569us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinBrentwoodSouthBusCtrIvMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,046us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinBrentwoodSouthBusCtrIvMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,424us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinBrentwoodSouthBusCtrIvMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 569us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinBrentwoodSouthBusCtrIvMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,470us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinBrentwoodSouthBusCtrIvMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,039us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinBrentwoodSouthBusCtrIvMember
     
Real Estate Accumulated Depreciation 1,692us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinBrentwoodSouthBusCtrIvMember
     
Franklin Brentwood South Bus Ctr V [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinBrentwoodSouthBusCtrVMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 445us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinBrentwoodSouthBusCtrVMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,846us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinBrentwoodSouthBusCtrVMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 355us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinBrentwoodSouthBusCtrVMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 445us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinBrentwoodSouthBusCtrVMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,201us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinBrentwoodSouthBusCtrVMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,646us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinBrentwoodSouthBusCtrVMember
     
Real Estate Accumulated Depreciation 894us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinBrentwoodSouthBusCtrVMember
     
Franklin Brentwood South Bus Ctr VI [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 1,214us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinBrentwoodSouthBusCtrViMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 489us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinBrentwoodSouthBusCtrViMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,094us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinBrentwoodSouthBusCtrViMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,065us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinBrentwoodSouthBusCtrViMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 489us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinBrentwoodSouthBusCtrViMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,159us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinBrentwoodSouthBusCtrViMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,648us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinBrentwoodSouthBusCtrViMember
     
Real Estate Accumulated Depreciation 816us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinBrentwoodSouthBusCtrViMember
     
Franklin Park O'Hare Distribution Ctr [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinParkOhareDistributionCtrMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,900us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinParkOhareDistributionCtrMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,702us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinParkOhareDistributionCtrMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,346us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinParkOhareDistributionCtrMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,900us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinParkOhareDistributionCtrMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,048us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinParkOhareDistributionCtrMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,948us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinParkOhareDistributionCtrMember
     
Real Estate Accumulated Depreciation 1,049us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FranklinParkOhareDistributionCtrMember
     
Frisco Duke Bridges VII [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FriscoDukeBridgesVIIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,842us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FriscoDukeBridgesVIIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 29,201us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FriscoDukeBridgesVIIMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FriscoDukeBridgesVIIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,842us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FriscoDukeBridgesVIIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 29,201us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FriscoDukeBridgesVIIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 33,043us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FriscoDukeBridgesVIIMember
     
Real Estate Accumulated Depreciation 1,207us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_FriscoDukeBridgesVIIMember
     
Garden City Aviation Court Land [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GardenCityAviationCourtLandMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,509us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GardenCityAviationCourtLandMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GardenCityAviationCourtLandMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GardenCityAviationCourtLandMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,509us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GardenCityAviationCourtLandMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GardenCityAviationCourtLandMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 1,509us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GardenCityAviationCourtLandMember
     
Real Estate Accumulated Depreciation 170us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GardenCityAviationCourtLandMember
     
Garner 600 Greenfield North [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Garner600GreenfieldNorthMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 597us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Garner600GreenfieldNorthMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,049us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Garner600GreenfieldNorthMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 190us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Garner600GreenfieldNorthMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 598us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Garner600GreenfieldNorthMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,238us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Garner600GreenfieldNorthMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,836us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Garner600GreenfieldNorthMember
     
Real Estate Accumulated Depreciation 729us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Garner600GreenfieldNorthMember
     
Garner 700 Greenfield North [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Garner700GreenfieldNorthMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 468us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Garner700GreenfieldNorthMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,664us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Garner700GreenfieldNorthMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 114us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Garner700GreenfieldNorthMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 469us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Garner700GreenfieldNorthMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,777us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Garner700GreenfieldNorthMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,246us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Garner700GreenfieldNorthMember
     
Real Estate Accumulated Depreciation 596us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Garner700GreenfieldNorthMember
     
Garner 800 Greenfield North [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Garner800GreenfieldNorthMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 438us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Garner800GreenfieldNorthMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,772us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Garner800GreenfieldNorthMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 95us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Garner800GreenfieldNorthMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 440us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Garner800GreenfieldNorthMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,865us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Garner800GreenfieldNorthMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,305us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Garner800GreenfieldNorthMember
     
Real Estate Accumulated Depreciation 674us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Garner800GreenfieldNorthMember
     
Garner 900 Greenfield North [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Garner900GreenfieldNorthMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 422us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Garner900GreenfieldNorthMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,249us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Garner900GreenfieldNorthMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 340us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Garner900GreenfieldNorthMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 425us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Garner900GreenfieldNorthMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,586us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Garner900GreenfieldNorthMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,011us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Garner900GreenfieldNorthMember
     
Real Estate Accumulated Depreciation 741us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Garner900GreenfieldNorthMember
     
Geneva 1800 Averill Road [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Geneva1800AverillRoadMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,189us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Geneva1800AverillRoadMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,890us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Geneva1800AverillRoadMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 7,626us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Geneva1800AverillRoadMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,778us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Geneva1800AverillRoadMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 17,927us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Geneva1800AverillRoadMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 22,705us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Geneva1800AverillRoadMember
     
Real Estate Accumulated Depreciation 2,010us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Geneva1800AverillRoadMember
     
Germantown Centerre Baptist Rehab Hosp. [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GermantownCenterreBaptistRehabHosp.Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,032us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GermantownCenterreBaptistRehabHosp.Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,240us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GermantownCenterreBaptistRehabHosp.Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GermantownCenterreBaptistRehabHosp.Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,032us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GermantownCenterreBaptistRehabHosp.Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 16,240us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GermantownCenterreBaptistRehabHosp.Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 17,272us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GermantownCenterreBaptistRehabHosp.Member
     
Real Estate Accumulated Depreciation 211us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GermantownCenterreBaptistRehabHosp.Member
     
Goodyear Goodyear One [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GoodyearGoodyearOneMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,142us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GoodyearGoodyearOneMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,661us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GoodyearGoodyearOneMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,062us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GoodyearGoodyearOneMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,142us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GoodyearGoodyearOneMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,723us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GoodyearGoodyearOneMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,865us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GoodyearGoodyearOneMember
     
Real Estate Accumulated Depreciation 2,824us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GoodyearGoodyearOneMember
     
Gouldsboro 400 First Avenue [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 27,745us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Gouldsboro400FirstAvenueMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 9,500us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Gouldsboro400FirstAvenueMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 51,645us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Gouldsboro400FirstAvenueMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 110us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Gouldsboro400FirstAvenueMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 9,500us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Gouldsboro400FirstAvenueMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 51,755us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Gouldsboro400FirstAvenueMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 61,255us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Gouldsboro400FirstAvenueMember
     
Real Estate Accumulated Depreciation 3,028us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Gouldsboro400FirstAvenueMember
     
Grand Prairie Grand Lakes I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GrandPrairieGrandLakesIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 8,106us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GrandPrairieGrandLakesIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,632us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GrandPrairieGrandLakesIMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,748us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GrandPrairieGrandLakesIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 8,040us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GrandPrairieGrandLakesIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,446us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GrandPrairieGrandLakesIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 21,486us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GrandPrairieGrandLakesIMember
     
Real Estate Accumulated Depreciation 5,747us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GrandPrairieGrandLakesIMember
     
Grand Prairie Grand Lakes II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GrandPrairieGrandLakesIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 11,853us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GrandPrairieGrandLakesIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,946us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GrandPrairieGrandLakesIiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 8,521us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GrandPrairieGrandLakesIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 11,853us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GrandPrairieGrandLakesIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 21,467us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 33,320us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 7,820us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Grand Prairie Pioneer 161 Building [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 7,381us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,628us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 13us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GrandPrairiePioneer161BuildingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 7,381us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GrandPrairiePioneer161BuildingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 17,641us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GrandPrairiePioneer161BuildingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 25,022us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GrandPrairiePioneer161BuildingMember
     
Real Estate Accumulated Depreciation 3,784us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GrandPrairiePioneer161BuildingMember
     
Grove City SouthPointe Building A [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveCitySouthpointeBuildingMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 844us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveCitySouthpointeBuildingMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,606us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 336us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveCitySouthpointeBuildingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 844us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveCitySouthpointeBuildingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,942us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveCitySouthpointeBuildingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,786us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveCitySouthpointeBuildingMember
     
Real Estate Accumulated Depreciation 1,256us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveCitySouthpointeBuildingMember
     
Grove City SouthPointe Building B [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveCitySouthpointeBuildingBMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 790us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveCitySouthpointeBuildingBMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,284us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveCitySouthpointeBuildingBMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 60us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveCitySouthpointeBuildingBMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 790us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveCitySouthpointeBuildingBMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,344us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveCitySouthpointeBuildingBMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,134us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveCitySouthpointeBuildingBMember
     
Real Estate Accumulated Depreciation 1,147us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveCitySouthpointeBuildingBMember
     
Grove City SouthPointe Building C [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveCitySouthpointeBuildingCMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 754us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveCitySouthpointeBuildingCMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,418us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveCitySouthpointeBuildingCMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 83us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveCitySouthpointeBuildingCMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 754us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveCitySouthpointeBuildingCMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,501us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveCitySouthpointeBuildingCMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,255us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveCitySouthpointeBuildingCMember
     
Real Estate Accumulated Depreciation 1,097us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveCitySouthpointeBuildingCMember
     
Groveport 6600 Port Road [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Groveport6600PortRoadMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,725us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Groveport6600PortRoadMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 21,728us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Groveport6600PortRoadMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,736us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Groveport6600PortRoadMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,213us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Groveport6600PortRoadMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 23,976us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Groveport6600PortRoadMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 27,189us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Groveport6600PortRoadMember
     
Real Estate Accumulated Depreciation 10,787us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Groveport6600PortRoadMember
     
Groveport Groveport Commerce Center 437 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 5,273us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportGroveportCommerceCenter437Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,049us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportGroveportCommerceCenter437Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,759us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportGroveportCommerceCenter437Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,740us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportGroveportCommerceCenter437Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,049us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportGroveportCommerceCenter437Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,499us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportGroveportCommerceCenter437Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,548us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportGroveportCommerceCenter437Member
     
Real Estate Accumulated Depreciation 3,747us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportGroveportCommerceCenter437Member
     
Groveport Groveport Commerce Center 168 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 2,280us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportGroveportCommerceCenter168Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 510us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportGroveportCommerceCenter168Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,631us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportGroveportCommerceCenter168Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,640us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportGroveportCommerceCenter168Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 510us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportGroveportCommerceCenter168Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,271us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportGroveportCommerceCenter168Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,781us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportGroveportCommerceCenter168Member
     
Real Estate Accumulated Depreciation 1,584us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportGroveportCommerceCenter168Member
     
Groveport Groveport Commerce Center 345 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 4,168us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportGroveportCommerceCenter345Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,045us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportGroveportCommerceCenter345Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,018us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportGroveportCommerceCenter345Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,690us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportGroveportCommerceCenter345Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,045us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportGroveportCommerceCenter345Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,708us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportGroveportCommerceCenter345Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,753us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportGroveportCommerceCenter345Member
     
Real Estate Accumulated Depreciation 3,463us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportGroveportCommerceCenter345Member
     
Groveport Groveport Commerce Center 667 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 9,903us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportGroveportCommerceCenter667Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,420us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportGroveportCommerceCenter667Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 14,172us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportGroveportCommerceCenter667Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 992us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportGroveportCommerceCenter667Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,420us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportGroveportCommerceCenter667Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 15,164us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportGroveportCommerceCenter667Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 19,584us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportGroveportCommerceCenter667Member
     
Real Estate Accumulated Depreciation 8,198us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportGroveportCommerceCenter667Member
     
Groveport Rickenbacker 936 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportRickenbacker936Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,680us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportRickenbacker936Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 23,872us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportRickenbacker936Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 5us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportRickenbacker936Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,680us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportRickenbacker936Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 23,877us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportRickenbacker936Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 29,557us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportRickenbacker936Member
     
Real Estate Accumulated Depreciation 3,276us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_GroveportRickenbacker936Member
     
Hamilton Bethesda Specialty Hospital [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HamiltonBethesdaSpecialtyHospitalMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,499us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HamiltonBethesdaSpecialtyHospitalMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,990us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HamiltonBethesdaSpecialtyHospitalMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 122us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HamiltonBethesdaSpecialtyHospitalMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,499us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HamiltonBethesdaSpecialtyHospitalMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,112us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HamiltonBethesdaSpecialtyHospitalMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,611us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HamiltonBethesdaSpecialtyHospitalMember
     
Real Estate Accumulated Depreciation 797us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HamiltonBethesdaSpecialtyHospitalMember
     
Hamilton Bethesda Imaging ED [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HamiltonBethesdaImagingEdMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 751us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HamiltonBethesdaImagingEdMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,325us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HamiltonBethesdaImagingEdMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,931us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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= dre_HamiltonBethesdaImagingEdMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,239us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,768us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,007us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 711us-gaap_RealEstateAccumulatedDepreciation
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Hamilton Bethesda Sleep Center [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 501us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,220us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 24us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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= dre_HamiltonBethesdaSleepCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 501us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,244us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HamiltonBethesdaSleepCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,745us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 278us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HamiltonBethesdaSleepCenterMember
     
Hamilton Bethesda Condo 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 664us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 664us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 664us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 79us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HamiltonBethesdaCondo1Member
     
Hamilton Bethesda Condo 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,440us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,214us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,654us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HamiltonBethesdaCondo2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,654us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 531us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HamiltonBethesdaCondo2Member
     
Hamilton 3090 McBride Road [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 375us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,208us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 53us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Hamilton3090McbrideRoadMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 375us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,261us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Hamilton3090McbrideRoadMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 1,636us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Hamilton3090McbrideRoadMember
     
Real Estate Accumulated Depreciation 238us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Hamilton3090McbrideRoadMember
     
Hazelwood Lindbergh Distribution Center [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 8,200us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HazelwoodLindberghDistributionCenterMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,884us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,538us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HazelwoodLindberghDistributionCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 8,491us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HazelwoodLindberghDistributionCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,131us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HazelwoodLindberghDistributionCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 21,622us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HazelwoodLindberghDistributionCenterMember
     
Real Estate Accumulated Depreciation 4,319us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HazelwoodLindberghDistributionCenterMember
     
Hebron Southpark Building 4 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 779us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,113us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,339us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 779us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,452us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSouthparkBuilding4Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,231us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 2,288us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSouthparkBuilding4Member
     
Hebron CR Services [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,085us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,054us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronCrServicesMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,758us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,085us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronCrServicesMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,812us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronCrServicesMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,897us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronCrServicesMember
     
Real Estate Accumulated Depreciation 2,954us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronCrServicesMember
     
Hebron Hebron Building 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 8,855us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,961us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 392us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 8,855us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,353us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 20,208us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 5,457us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Hebron Hebron Building 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 6,790us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,037us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,852us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,813us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,866us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronHebronBuilding2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 19,679us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 5,590us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Hebron Skyport Building 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,057us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,876us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSkyportBuilding1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,057us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSkyportBuilding1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,876us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSkyportBuilding1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,933us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSkyportBuilding1Member
     
Real Estate Accumulated Depreciation 961us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSkyportBuilding1Member
     
Hebron Skyport Building 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSkyportBuilding2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,400us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSkyportBuilding2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,114us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSkyportBuilding2Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 185us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSkyportBuilding2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,400us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSkyportBuilding2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,299us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSkyportBuilding2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,699us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSkyportBuilding2Member
     
Real Estate Accumulated Depreciation 1,661us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSkyportBuilding2Member
     
Hebron Skyport Building 3 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSkyportBuilding3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,016us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSkyportBuilding3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,529us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSkyportBuilding3Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 244us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSkyportBuilding3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,016us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSkyportBuilding3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,773us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSkyportBuilding3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,789us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSkyportBuilding3Member
     
Real Estate Accumulated Depreciation 1,526us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSkyportBuilding3Member
     
Hebron Skyport Building 5 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSkyportBuilding5Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,878us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSkyportBuilding5Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,408us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSkyportBuilding5Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 815us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSkyportBuilding5Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,878us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSkyportBuilding5Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,223us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSkyportBuilding5Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,101us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSkyportBuilding5Member
     
Real Estate Accumulated Depreciation 2,676us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSkyportBuilding5Member
     
Hebron Southpark Building 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSouthparkBuilding1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 553us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSouthparkBuilding1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,706us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSouthparkBuilding1Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 164us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSouthparkBuilding1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 553us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSouthparkBuilding1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,870us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSouthparkBuilding1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,423us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSouthparkBuilding1Member
     
Real Estate Accumulated Depreciation 448us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSouthparkBuilding1Member
     
Hebron Southpark Building 3 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSouthparkBuilding3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 755us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSouthparkBuilding3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,982us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSouthparkBuilding3Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 24us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSouthparkBuilding3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 755us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSouthparkBuilding3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,006us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSouthparkBuilding3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,761us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSouthparkBuilding3Member
     
Real Estate Accumulated Depreciation 797us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HebronSouthparkBuilding3Member
     
Hillsdale 4160 Madison Street [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Hillsdale4160MadisonStreetMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,069us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Hillsdale4160MadisonStreetMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 866us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Hillsdale4160MadisonStreetMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 93us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Hillsdale4160MadisonStreetMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,069us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Hillsdale4160MadisonStreetMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 959us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Hillsdale4160MadisonStreetMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,028us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Hillsdale4160MadisonStreetMember
     
Real Estate Accumulated Depreciation 358us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Hillsdale4160MadisonStreetMember
     
Holly Springs REX Holly Springs MOB [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HollySpringsRexHollySpringsMobMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 11us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HollySpringsRexHollySpringsMobMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,724us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HollySpringsRexHollySpringsMobMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 125us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HollySpringsRexHollySpringsMobMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 11us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HollySpringsRexHollySpringsMobMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,849us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HollySpringsRexHollySpringsMobMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,860us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HollySpringsRexHollySpringsMobMember
     
Real Estate Accumulated Depreciation 994us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HollySpringsRexHollySpringsMobMember
     
Hopkins Cornerstone Business Center [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 1,365us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HopkinsCornerstoneBusinessCenterMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,469us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HopkinsCornerstoneBusinessCenterMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,186us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HopkinsCornerstoneBusinessCenterMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,692us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HopkinsCornerstoneBusinessCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,454us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HopkinsCornerstoneBusinessCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,893us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HopkinsCornerstoneBusinessCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,347us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HopkinsCornerstoneBusinessCenterMember
     
Real Estate Accumulated Depreciation 4,152us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HopkinsCornerstoneBusinessCenterMember
     
Houston Point North One [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonPointNorthOneMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,125us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonPointNorthOneMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,665us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonPointNorthOneMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,230us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonPointNorthOneMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,125us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonPointNorthOneMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,895us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonPointNorthOneMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,020us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonPointNorthOneMember
     
Real Estate Accumulated Depreciation 2,045us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonPointNorthOneMember
     
Houston Point North Two [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonPointNorthTwoMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,210us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonPointNorthTwoMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,651us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonPointNorthTwoMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,803us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonPointNorthTwoMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,998us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonPointNorthTwoMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,666us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonPointNorthTwoMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,664us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonPointNorthTwoMember
     
Real Estate Accumulated Depreciation 907us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonPointNorthTwoMember
     
Houston Point North Four [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonPointNorthFourMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,957us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonPointNorthFourMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 15,093us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonPointNorthFourMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonPointNorthFourMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,957us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonPointNorthFourMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 15,093us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonPointNorthFourMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 19,050us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonPointNorthFourMember
     
Real Estate Accumulated Depreciation 0us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonPointNorthFourMember
     
Houston Point North Parking Lot [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonPointNorthParkingLotMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 583us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonPointNorthParkingLotMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonPointNorthParkingLotMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonPointNorthParkingLotMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 583us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonPointNorthParkingLotMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonPointNorthParkingLotMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 583us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonPointNorthParkingLotMember
     
Real Estate Accumulated Depreciation 21us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonPointNorthParkingLotMember
     
Houston Sam Houston Crossing Two [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonSamHoustonCrossingTwoMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,088us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonSamHoustonCrossingTwoMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,392us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonSamHoustonCrossingTwoMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,619us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonSamHoustonCrossingTwoMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,088us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonSamHoustonCrossingTwoMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 19,011us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonSamHoustonCrossingTwoMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 21,099us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonSamHoustonCrossingTwoMember
     
Real Estate Accumulated Depreciation 1,830us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonSamHoustonCrossingTwoMember
     
Houston Westland I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonWestlandIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,183us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonWestlandIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,837us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonWestlandIMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,317us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonWestlandIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,233us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonWestlandIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,104us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonWestlandIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,337us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonWestlandIMember
     
Real Estate Accumulated Depreciation 3,559us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonWestlandIMember
     
Houston Westland II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonWestlandIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,439us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonWestlandIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,890us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonWestlandIiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 501us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonWestlandIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,246us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonWestlandIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,584us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonWestlandIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,830us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonWestlandIiMember
     
Real Estate Accumulated Depreciation 1,974us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonWestlandIiMember
     
Houston Gateway Northwest One [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonGatewayNorthwestOneMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 7,204us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonGatewayNorthwestOneMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,028us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonGatewayNorthwestOneMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonGatewayNorthwestOneMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 7,204us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonGatewayNorthwestOneMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,028us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonGatewayNorthwestOneMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,232us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonGatewayNorthwestOneMember
     
Real Estate Accumulated Depreciation 0us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonGatewayNorthwestOneMember
     
Houston Gateway Northwest Two [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonGatewayNorthwestTwoMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,981us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonGatewayNorthwestTwoMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,122us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonGatewayNorthwestTwoMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonGatewayNorthwestTwoMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,981us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonGatewayNorthwestTwoMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,122us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonGatewayNorthwestTwoMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,103us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonGatewayNorthwestTwoMember
     
Real Estate Accumulated Depreciation 0us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HoustonGatewayNorthwestTwoMember
     
Hutchins Duke Intermodal I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 9,223us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HutchinsDukeIntermodalIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,290us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HutchinsDukeIntermodalIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,242us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HutchinsDukeIntermodalIMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,610us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HutchinsDukeIntermodalIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,290us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HutchinsDukeIntermodalIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,852us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HutchinsDukeIntermodalIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 17,142us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HutchinsDukeIntermodalIMember
     
Real Estate Accumulated Depreciation 4,375us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_HutchinsDukeIntermodalIMember
     
Independence Freedom Square I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndependenceFreedomSquareIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 595us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndependenceFreedomSquareIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,453us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndependenceFreedomSquareIMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements (1,538)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndependenceFreedomSquareIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 595us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndependenceFreedomSquareIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,915us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndependenceFreedomSquareIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,510us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndependenceFreedomSquareIMember
     
Real Estate Accumulated Depreciation 1,915us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndependenceFreedomSquareIMember
     
Independence Freedom Square II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndependenceFreedomSquareIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,746us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndependenceFreedomSquareIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,312us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndependenceFreedomSquareIiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements (604)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndependenceFreedomSquareIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,746us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndependenceFreedomSquareIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,708us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndependenceFreedomSquareIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,454us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndependenceFreedomSquareIiMember
     
Real Estate Accumulated Depreciation 7,049us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndependenceFreedomSquareIiMember
     
Independence Freedom Square III [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndependenceFreedomSquareIiiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 701us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndependenceFreedomSquareIiiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,151us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndependenceFreedomSquareIiiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements (1,074)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndependenceFreedomSquareIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 701us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndependenceFreedomSquareIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,077us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndependenceFreedomSquareIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,778us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndependenceFreedomSquareIiiMember
     
Real Estate Accumulated Depreciation 2,435us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndependenceFreedomSquareIiiMember
     
Independence Oak Tree Place [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndependenceOakTreePlaceMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 703us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndependenceOakTreePlaceMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,256us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndependenceOakTreePlaceMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements (972)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndependenceOakTreePlaceMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 703us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndependenceOakTreePlaceMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,284us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndependenceOakTreePlaceMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,987us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndependenceOakTreePlaceMember
     
Real Estate Accumulated Depreciation 2,563us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndependenceOakTreePlaceMember
     
Indianapolis St. Vincent Max Simon MOB [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisStVincentMaxSimonMobMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,209us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisStVincentMaxSimonMobMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,575us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisStVincentMaxSimonMobMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 325us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisStVincentMaxSimonMobMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,209us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisStVincentMaxSimonMobMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,900us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisStVincentMaxSimonMobMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,109us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisStVincentMaxSimonMobMember
     
Real Estate Accumulated Depreciation 2,763us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisStVincentMaxSimonMobMember
     
Indianapolis Centerre/Community Rehab Hosp [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisCenterreCommunityRehabHospMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,150us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisCenterreCommunityRehabHospMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,709us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisCenterreCommunityRehabHospMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 172us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisCenterreCommunityRehabHospMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,150us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisCenterreCommunityRehabHospMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 16,881us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisCenterreCommunityRehabHospMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 18,031us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisCenterreCommunityRehabHospMember
     
Real Estate Accumulated Depreciation 1,383us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisCenterreCommunityRehabHospMember
     
Indianapolis Park 100 Bldg 96 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 7,487us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg96Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,171us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg96Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 13,804us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg96Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 144us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg96Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,424us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg96Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,695us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg96Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,119us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg96Member
     
Real Estate Accumulated Depreciation 7,366us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg96Member
     
Indianapolis Park 100 Bldg 98 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg98Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 273us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg98Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,151us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg98Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 4,104us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg98Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 273us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg98Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,255us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg98Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,528us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg98Member
     
Real Estate Accumulated Depreciation 6,595us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg98Member
     
Indianapolis Park 100 Bldg 100 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg100Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 103us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,889us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 904us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 103us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,793us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg100Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,896us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 1,543us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Indianapolis Park 100 Bldg 102 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 182us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 996us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 432us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 182us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,428us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 1,610us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 496us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Indianapolis Park 100 Bldg 116 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 341us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,806us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 640us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 348us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,439us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,787us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 2,327us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Indianapolis Park 100 Bldg 118 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 226us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,761us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,165us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 230us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,922us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,152us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 1,733us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Indianapolis Park 100 Bldg 122 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 284us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,096us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,516us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 290us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,606us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,896us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 2,589us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Indianapolis Park 100 Bldg 124 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 227us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,143us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 799us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 227us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,942us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,169us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 1,064us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg124Member
     
Indianapolis Park 100 Bldg 127 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 96us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,479us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 689us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 96us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,168us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,264us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 1,148us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Indianapolis Park 100 Bldg 141 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 1,931us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,120us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,516us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 295us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,120us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,811us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg141Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,931us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 1,200us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg141Member
     
Indianapolis Hewlett-Packard Land Lease [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 252us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisHewlettPackardLandLeaseMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisHewlettPackardLandLeaseMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisHewlettPackardLandLeaseMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 252us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisHewlettPackardLandLeaseMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 252us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 81us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisHewlettPackardLandLeaseMember
     
Indianapolis Park 100 Bldg 121 Land Lease [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg121LandLeaseMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 5us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg121LandLeaseMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg121LandLeaseMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg121LandLeaseMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg121LandLeaseMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg121LandLeaseMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg121LandLeaseMember
     
Real Estate Accumulated Depreciation 2us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg121LandLeaseMember
     
Indianapolis Hewlett Packard Land Lse-62 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisHewlettPackardLandLse62Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 45us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisHewlettPackardLandLse62Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisHewlettPackardLandLse62Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisHewlettPackardLandLse62Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 45us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisHewlettPackardLandLse62Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisHewlettPackardLandLse62Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 45us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisHewlettPackardLandLse62Member
     
Real Estate Accumulated Depreciation 14us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisHewlettPackardLandLse62Member
     
Indianapolis West 79th St. Parking Lot LL [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWest79ThStParkingLotLlMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 350us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWest79ThStParkingLotLlMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWest79ThStParkingLotLlMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 699us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWest79ThStParkingLotLlMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,049us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWest79ThStParkingLotLlMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWest79ThStParkingLotLlMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 1,049us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWest79ThStParkingLotLlMember
     
Real Estate Accumulated Depreciation 456us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWest79ThStParkingLotLlMember
     
Indianapolis Park Fletcher Bldg 33 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 847us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,264us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 593us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 847us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg33Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,857us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg33Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,704us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 1,722us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg33Member
     
Indianapolis Park Fletcher Bldg 34 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 910us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,427us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 667us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 910us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg34Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,094us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg34Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,004us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 1,718us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Indianapolis Park Fletcher Bldg 35 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 260us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,422us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 134us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg35Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 260us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg35Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,556us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg35Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 1,816us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg35Member
     
Real Estate Accumulated Depreciation 454us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg35Member
     
Indianapolis Park Fletcher Bldg 36 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 326us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg36Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,326us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg36Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 94us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg36Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 326us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg36Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,420us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg36Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,746us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg36Member
     
Real Estate Accumulated Depreciation 659us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg36Member
     
Indianapolis Park Fletcher Bldg 38 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg38Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,428us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg38Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,908us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg38Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements (201)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 977us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg38Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,158us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg38Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,135us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 1,592us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg38Member
     
Indianapolis Park Fletcher Bldg 39 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg39Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 570us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg39Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,054us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg39Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 112us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg39Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 390us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg39Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,346us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg39Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,736us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg39Member
     
Real Estate Accumulated Depreciation 695us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg39Member
     
Indianapolis Park Fletcher Bldg 40 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg40Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 761us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg40Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,965us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg40Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 426us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg40Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 521us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg40Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,631us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg40Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,152us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg40Member
     
Real Estate Accumulated Depreciation 943us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg40Member
     
Indianapolis Park Fletcher Bldg 41 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg41Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 952us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg41Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,119us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg41Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 374us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg41Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 952us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg41Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,493us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg41Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,445us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg41Member
     
Real Estate Accumulated Depreciation 1,348us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg41Member
     
Indianapolis Park Fletcher Bldg 42 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg42Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,095us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg42Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,273us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg42Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 341us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg42Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,095us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg42Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,614us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg42Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,709us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg42Member
     
Real Estate Accumulated Depreciation 2,522us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisParkFletcherBldg42Member
     
Indianapolis One Parkwood Crossing [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisOneParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,018us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisOneParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,091us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisOneParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,518us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisOneParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,018us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisOneParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,609us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisOneParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,627us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisOneParkwoodCrossingMember
     
Real Estate Accumulated Depreciation 5,853us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisOneParkwoodCrossingMember
     
Indianapolis Three Parkwood Crossing [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisThreeParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,377us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisThreeParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,169us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisThreeParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,378us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisThreeParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,316us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisThreeParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,608us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisThreeParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,924us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisThreeParkwoodCrossingMember
     
Real Estate Accumulated Depreciation 4,793us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisThreeParkwoodCrossingMember
     
Indianapolis Four Parkwood Crossing [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisFourParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,383us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisFourParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,197us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisFourParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,595us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisFourParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,431us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisFourParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,744us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisFourParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,175us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisFourParkwoodCrossingMember
     
Real Estate Accumulated Depreciation 5,493us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisFourParkwoodCrossingMember
     
Indianapolis Five Parkwood Crossing [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisFiveParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,485us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisFiveParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,411us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisFiveParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,135us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisFiveParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,485us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisFiveParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,546us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisFiveParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,031us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisFiveParkwoodCrossingMember
     
Real Estate Accumulated Depreciation 5,037us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisFiveParkwoodCrossingMember
     
Indianapolis Six Parkwood Crossing [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisSixParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,960us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisSixParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,805us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisSixParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,251us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisSixParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,960us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisSixParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 15,056us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisSixParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 17,016us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisSixParkwoodCrossingMember
     
Real Estate Accumulated Depreciation 5,815us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisSixParkwoodCrossingMember
     
Indianapolis Seven Parkwood Crossing [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisSevenParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,877us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisSevenParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,078us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisSevenParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,211us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisSevenParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,877us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisSevenParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,289us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisSevenParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,166us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisSevenParkwoodCrossingMember
     
Real Estate Accumulated Depreciation 959us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisSevenParkwoodCrossingMember
     
Indianapolis Eight Parkwood Crossing [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisEightParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 6,435us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisEightParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 15,338us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisEightParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 946us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisEightParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,435us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisEightParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 16,284us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisEightParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 22,719us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisEightParkwoodCrossingMember
     
Real Estate Accumulated Depreciation 8,623us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisEightParkwoodCrossingMember
     
Indianapolis Nine Parkwood Crossing [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisNineParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 6,046us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisNineParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,818us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisNineParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,850us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisNineParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,047us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisNineParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 15,667us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisNineParkwoodCrossingMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 21,714us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisNineParkwoodCrossingMember
     
Real Estate Accumulated Depreciation 5,618us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisNineParkwoodCrossingMember
     
Indianapolis One West [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 14,025us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisOneWestMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,361us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisOneWestMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,182us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisOneWestMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 5,082us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisOneWestMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,361us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisOneWestMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 21,264us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisOneWestMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 26,625us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisOneWestMember
     
Real Estate Accumulated Depreciation 5,578us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisOneWestMember
     
Indianapolis PWW Granite City Lease [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPwwGraniteCityLeaseMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,846us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPwwGraniteCityLeaseMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 856us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPwwGraniteCityLeaseMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 143us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPwwGraniteCityLeaseMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,989us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPwwGraniteCityLeaseMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 856us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPwwGraniteCityLeaseMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,845us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPwwGraniteCityLeaseMember
     
Real Estate Accumulated Depreciation 581us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPwwGraniteCityLeaseMember
     
Indianapolis One West Parking Garage [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisOneWestParkingGarageMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisOneWestParkingGarageMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,616us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisOneWestParkingGarageMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisOneWestParkingGarageMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisOneWestParkingGarageMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,616us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisOneWestParkingGarageMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 1,616us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisOneWestParkingGarageMember
     
Real Estate Accumulated Depreciation 138us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisOneWestParkingGarageMember
     
Indianapolis River Road Bldg I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisRiverRoadBldgIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 856us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisRiverRoadBldgIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,162us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisRiverRoadBldgIMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,164us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisRiverRoadBldgIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 856us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisRiverRoadBldgIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,326us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisRiverRoadBldgIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,182us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisRiverRoadBldgIMember
     
Real Estate Accumulated Depreciation 5,331us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisRiverRoadBldgIMember
     
Indianapolis River Road Bldg II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisRiverRoadBldgIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,827us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisRiverRoadBldgIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,287us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisRiverRoadBldgIiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,233us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisRiverRoadBldgIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,886us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisRiverRoadBldgIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,461us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisRiverRoadBldgIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,347us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisRiverRoadBldgIiMember
     
Real Estate Accumulated Depreciation 3,485us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisRiverRoadBldgIiMember
     
Indianapolis Woodland Corporate Park I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 290us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,288us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkIMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,057us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 290us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,345us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,635us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkIMember
     
Real Estate Accumulated Depreciation 2,254us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkIMember
     
Indianapolis Woodland Corporate Park II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 271us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,796us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkIiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,036us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 271us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,832us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,103us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkIiMember
     
Real Estate Accumulated Depreciation 1,956us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkIiMember
     
Indianapolis Woodland Corporate Park III [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkIiiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,227us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkIiiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,322us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkIiiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 704us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,227us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,026us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,253us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkIiiMember
     
Real Estate Accumulated Depreciation 1,499us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkIiiMember
     
Indianapolis Woodland Corporate Park V [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 768us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkVMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,970us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkVMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 94us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkVMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 768us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkVMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,064us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkVMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,832us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkVMember
     
Real Estate Accumulated Depreciation 4,462us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkVMember
     
Indianapolis Woodland Corporate Park VI [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 2,145us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkViMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,158us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 4,299us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkViMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,145us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkViMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 14,457us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkViMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 16,602us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 5,066us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisWoodlandCorporateParkViMember
     
Indianapolis Georgetown Rd. Bldg 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 468us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,060us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisGeorgetownRdBldg1Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 267us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisGeorgetownRdBldg1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 468us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisGeorgetownRdBldg1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,327us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisGeorgetownRdBldg1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,795us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisGeorgetownRdBldg1Member
     
Real Estate Accumulated Depreciation 496us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisGeorgetownRdBldg1Member
     
Indianapolis Georgetown Rd. Bldg 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisGeorgetownRdBldg2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 465us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisGeorgetownRdBldg2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,154us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisGeorgetownRdBldg2Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 644us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisGeorgetownRdBldg2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 465us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisGeorgetownRdBldg2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,798us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisGeorgetownRdBldg2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,263us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisGeorgetownRdBldg2Member
     
Real Estate Accumulated Depreciation 484us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisGeorgetownRdBldg2Member
     
Indianapolis Georgetown Rd. Bldg 3 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisGeorgetownRdBldg3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 408us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisGeorgetownRdBldg3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,036us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisGeorgetownRdBldg3Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 121us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisGeorgetownRdBldg3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 408us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisGeorgetownRdBldg3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,157us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisGeorgetownRdBldg3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 1,565us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisGeorgetownRdBldg3Member
     
Real Estate Accumulated Depreciation 245us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisGeorgetownRdBldg3Member
     
Indianapolis North Airport Park Bldg 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisNorthAirportParkBldg2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,800us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisNorthAirportParkBldg2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,998us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisNorthAirportParkBldg2Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 304us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisNorthAirportParkBldg2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,800us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisNorthAirportParkBldg2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,302us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisNorthAirportParkBldg2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,102us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisNorthAirportParkBldg2Member
     
Real Estate Accumulated Depreciation 1,201us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisNorthAirportParkBldg2Member
     
Indianapolis Park 100 Bldg 39 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg39Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 628us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg39Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,284us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg39Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 200us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg39Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 628us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg39Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,484us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg39Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,112us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg39Member
     
Real Estate Accumulated Depreciation 517us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg39Member
     
Indianapolis Park 100 Bldg 48 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg48Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 690us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg48Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,730us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg48Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 406us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg48Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 690us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg48Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,136us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg48Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,826us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg48Member
     
Real Estate Accumulated Depreciation 418us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg48Member
     
Indianapolis Park 100 Bldg 49 [Domain]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg49Domain
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 364us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg49Domain
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,687us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg49Domain
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 206us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg49Domain
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 364us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg49Domain
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,893us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg49Domain
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,257us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg49Domain
     
Real Estate Accumulated Depreciation 393us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg49Domain
     
Indianapolis Park 100 Bldg 50 [Domain]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg50Domain
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 327us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg50Domain
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 786us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg50Domain
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 144us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg50Domain
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 327us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg50Domain
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 930us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg50Domain
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 1,257us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg50Domain
     
Real Estate Accumulated Depreciation 180us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg50Domain
     
Indianapolis Park 100 Bldg 53 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg53Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 338us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg53Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,513us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg53Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 171us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg53Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 338us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg53Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,684us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg53Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,022us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg53Member
     
Real Estate Accumulated Depreciation 347us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Indianapolis Park 100 Bldg 54 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg54Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 354us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg54Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,390us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg54Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 251us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg54Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 354us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg54Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,641us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg54Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 1,995us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg54Member
     
Real Estate Accumulated Depreciation 302us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg54Member
     
Indianapolis Park 100 Bldg 57 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg57Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 616us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,183us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg57Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 311us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 616us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg57Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,494us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg57Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,110us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg57Member
     
Real Estate Accumulated Depreciation 288us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg57Member
     
Indianapolis Park 100 Bldg 58 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 642us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,222us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 136us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg58Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 642us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg58Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,358us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg58Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,000us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg58Member
     
Real Estate Accumulated Depreciation 512us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Indianapolis Park 100 Bldg 59 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 411us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,455us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg59Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 203us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 411us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg59Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,658us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg59Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,069us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg59Member
     
Real Estate Accumulated Depreciation 350us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg59Member
     
Indianapolis Park 100 Bldg 60 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg60Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 382us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,526us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg60Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 87us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 382us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg60Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,613us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg60Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 1,995us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg60Member
     
Real Estate Accumulated Depreciation 359us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg60Member
     
Indianapolis Park 100 Bldg 62 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 616us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 718us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg62Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 36us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 616us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg62Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 754us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg62Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 1,370us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg62Member
     
Real Estate Accumulated Depreciation 466us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg62Member
     
Indianapolis Park 100 Bldg 63 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg63Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 388us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg63Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,013us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg63Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 56us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg63Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 388us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg63Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,069us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg63Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 1,457us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg63Member
     
Real Estate Accumulated Depreciation 259us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg63Member
     
Indianapolis Park 100 Bldg 64 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg64Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 389us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,045us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg64Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 72us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg64Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 389us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg64Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,117us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg64Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 1,506us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg64Member
     
Real Estate Accumulated Depreciation 224us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg64Member
     
Indianapolis Park 100 Bldg 67 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg67Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 338us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg67Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 710us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg67Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 213us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg67Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 338us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg67Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 923us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg67Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 1,261us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg67Member
     
Real Estate Accumulated Depreciation 222us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg67Member
     
Indianapolis Park 100 Bldg 68 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg68Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 338us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg68Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,200us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg68Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 67us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg68Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 338us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg68Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,267us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg68Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 1,605us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg68Member
     
Real Estate Accumulated Depreciation 230us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg68Member
     
Indianapolis Park 100 Bldg 83 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg83Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 427us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg83Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,488us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg83Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 118us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg83Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 427us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg83Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,606us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg83Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,033us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg83Member
     
Real Estate Accumulated Depreciation 449us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg83Member
     
Indianapolis Park 100 Bldg 84 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg84Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 427us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg84Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,894us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg84Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 210us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg84Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 427us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg84Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,104us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg84Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,531us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg84Member
     
Real Estate Accumulated Depreciation 381us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg84Member
     
Indianapolis Park 100 Bldg 87 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,136us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg87Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,008us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg87Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,803us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg87Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,136us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg87Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,811us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg87Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,947us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg87Member
     
Real Estate Accumulated Depreciation 1,866us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg87Member
     
Indianapolis Park 100 Bldg 97 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg97Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,070us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg97Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,993us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg97Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 196us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg97Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,070us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg97Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,189us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg97Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,259us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg97Member
     
Real Estate Accumulated Depreciation 908us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg97Member
     
Indianapolis Park 100 Bldg 110 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg110Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 376us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg110Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,690us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg110Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 239us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg110Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 376us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg110Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,929us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg110Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,305us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg110Member
     
Real Estate Accumulated Depreciation 337us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg110Member
     
Indianapolis Park 100 Bldg 111 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg111Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 633us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg111Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,795us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg111Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 295us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg111Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 633us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg111Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,090us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg111Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,723us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg111Member
     
Real Estate Accumulated Depreciation 587us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg111Member
     
Indianapolis Park 100 Bldg 128 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 7,260us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg128Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,152us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg128Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 13,688us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg128Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 72us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg128Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,152us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg128Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,760us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg128Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,912us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg128Member
     
Real Estate Accumulated Depreciation 2,257us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg128Member
     
Indianapolis Park 100 Bldg 129 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 5,354us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg129Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,280us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg129Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,053us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg129Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,993us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg129Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,280us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg129Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,046us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg129Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,326us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg129Member
     
Real Estate Accumulated Depreciation 1,703us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg129Member
     
Indianapolis Park 100 Bldg 131 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 6,185us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg131Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,680us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg131Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,834us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg131Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 351us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg131Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,680us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg131Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,185us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg131Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,865us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg131Member
     
Real Estate Accumulated Depreciation 1,734us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_IndianapolisPark100Bldg131Member
     
Itasca 751 Expressway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Itasca751ExpresswayMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,208us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Itasca751ExpresswayMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,424us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Itasca751ExpresswayMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements (23)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Itasca751ExpresswayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,208us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Itasca751ExpresswayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,401us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Itasca751ExpresswayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,609us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Itasca751ExpresswayMember
     
Real Estate Accumulated Depreciation 380us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Itasca751ExpresswayMember
     
Jourdanton Jourdanton MOB [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_JourdantonJourdantonMOBMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 583us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_JourdantonJourdantonMOBMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,152us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_JourdantonJourdantonMOBMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_JourdantonJourdantonMOBMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 583us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_JourdantonJourdantonMOBMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,152us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_JourdantonJourdantonMOBMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,735us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_JourdantonJourdantonMOBMember
     
Real Estate Accumulated Depreciation 147us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_JourdantonJourdantonMOBMember
     
Katy Christus St. Catherine Plaza 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KatyChristusStCatherinePlaza1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 47us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KatyChristusStCatherinePlaza1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,092us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KatyChristusStCatherinePlaza1Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 241us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KatyChristusStCatherinePlaza1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 47us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KatyChristusStCatherinePlaza1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,333us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KatyChristusStCatherinePlaza1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,380us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KatyChristusStCatherinePlaza1Member
     
Real Estate Accumulated Depreciation 1,546us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KatyChristusStCatherinePlaza1Member
     
Katy Christus St. Catherine Plaza 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KatyChristusStCatherinePlaza2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 122us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KatyChristusStCatherinePlaza2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,009us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KatyChristusStCatherinePlaza2Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 314us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KatyChristusStCatherinePlaza2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 122us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KatyChristusStCatherinePlaza2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,323us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KatyChristusStCatherinePlaza2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,445us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KatyChristusStCatherinePlaza2Member
     
Real Estate Accumulated Depreciation 1,748us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KatyChristusStCatherinePlaza2Member
     
Katy Christus St. Catherine Plaza 3 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KatyChristusStCatherinePlaza3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 131us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KatyChristusStCatherinePlaza3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,963us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KatyChristusStCatherinePlaza3Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 86us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KatyChristusStCatherinePlaza3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 131us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KatyChristusStCatherinePlaza3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,049us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KatyChristusStCatherinePlaza3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,180us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KatyChristusStCatherinePlaza3Member
     
Real Estate Accumulated Depreciation 2,049us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KatyChristusStCatherinePlaza3Member
     
Keller Baylor Emergency @ Keller [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 2,365us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,028us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 217us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,365us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,245us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,610us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 604us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Kissimmee Kissimmee Medical Plaza [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 10,437us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 763us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 18,221us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 128us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 763us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 18,349us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KissimmeeKissimmeeMedicalPlazaMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 19,112us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 1,981us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Kutztown West Hills Building Center A [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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= dre_KutztownWestHillsBuildingCenterAMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 15,340us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KutztownWestHillsBuildingCenterAMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 47,981us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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= dre_KutztownWestHillsBuildingCenterAMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 15,340us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KutztownWestHillsBuildingCenterAMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 47,981us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KutztownWestHillsBuildingCenterAMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 63,321us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KutztownWestHillsBuildingCenterAMember
     
Real Estate Accumulated Depreciation 1,584us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KutztownWestHillsBuildingCenterAMember
     
Kyle Seton Hays MOB I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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= dre_KyleSetonHaysMobIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 165us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KyleSetonHaysMobIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,730us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KyleSetonHaysMobIMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 4,535us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KyleSetonHaysMobIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 165us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KyleSetonHaysMobIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 16,265us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KyleSetonHaysMobIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 16,430us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KyleSetonHaysMobIMember
     
Real Estate Accumulated Depreciation 2,663us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_KyleSetonHaysMobIMember
     
La Miranda Trojan Way [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LaMirandaTrojanWayMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 23,503us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LaMirandaTrojanWayMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 33,342us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LaMirandaTrojanWayMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 125us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LaMirandaTrojanWayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 23,503us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LaMirandaTrojanWayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 33,467us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LaMirandaTrojanWayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 56,970us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LaMirandaTrojanWayMember
     
Real Estate Accumulated Depreciation 4,041us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LaMirandaTrojanWayMember
     
LaPorte Bayport Container Lot [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LaporteBayportContainerLotMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,334us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LaporteBayportContainerLotMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LaporteBayportContainerLotMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LaporteBayportContainerLotMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,334us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LaporteBayportContainerLotMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LaporteBayportContainerLotMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,334us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LaporteBayportContainerLotMember
     
Real Estate Accumulated Depreciation 0us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LaporteBayportContainerLotMember
     
Las Cruces Mountain View Medical Plaza [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 11,635us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LasCrucesMountainViewMedicalPlazaMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 430us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LasCrucesMountainViewMedicalPlazaMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 18,892us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LasCrucesMountainViewMedicalPlazaMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 567us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LasCrucesMountainViewMedicalPlazaMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 430us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LasCrucesMountainViewMedicalPlazaMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 19,459us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LasCrucesMountainViewMedicalPlazaMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 19,889us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LasCrucesMountainViewMedicalPlazaMember
     
Real Estate Accumulated Depreciation 1,551us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LasCrucesMountainViewMedicalPlazaMember
     
Lawrenceville Weyerhaeuser BTS [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 9,312us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LawrencevilleWeyerhaeuserBtsMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,974us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LawrencevilleWeyerhaeuserBtsMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,101us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LawrencevilleWeyerhaeuserBtsMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 22us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LawrencevilleWeyerhaeuserBtsMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,982us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LawrencevilleWeyerhaeuserBtsMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,115us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LawrencevilleWeyerhaeuserBtsMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,097us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LawrencevilleWeyerhaeuserBtsMember
     
Real Estate Accumulated Depreciation 2,582us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LawrencevilleWeyerhaeuserBtsMember
     
Lebanon Lebanon Building 4 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 10,606us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 305us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,954us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 113us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LebanonLebanonBuilding4Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 177us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LebanonLebanonBuilding4Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,195us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LebanonLebanonBuilding4Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,372us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 3,978us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LebanonLebanonBuilding4Member
     
Lebanon Lebanon Building 9 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 10,342us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 554us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LebanonLebanonBuilding9Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,675us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,039us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LebanonLebanonBuilding9Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 340us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LebanonLebanonBuilding9Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,928us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LebanonLebanonBuilding9Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,268us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 3,067us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LebanonLebanonBuilding9Member
     
Lebanon Lebanon Building 12 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 25,033us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LebanonLebanonBuilding12Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,163us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,851us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 757us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LebanonLebanonBuilding12Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,163us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,608us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LebanonLebanonBuilding12Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 18,771us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 7,625us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LebanonLebanonBuilding12Member
     
Lebanon Lebanon Building 13 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 7,770us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LebanonLebanonBuilding13Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 561us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LebanonLebanonBuilding13Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,156us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LebanonLebanonBuilding13Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 436us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LebanonLebanonBuilding13Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,901us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LebanonLebanonBuilding13Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,252us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LebanonLebanonBuilding13Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,153us-gaap_RealEstateGrossAtCarryingValue
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Lebanon Pk 840 Logistics Cnt. Bldg 653 [Member]        
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Lockbourne Creekside XXII [Member]        
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Lockbourne Creekside XIV [Member]        
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Logan Township 1130 Commerce Boulevard [Member]        
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Long Beach 3700 Cover Street [Member]        
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Longview Longview MOB [Member]        
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 26,792us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LongviewLongviewMobMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 27,195us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LongviewLongviewMobMember
     
Real Estate Accumulated Depreciation 3,728us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Lynwood Century Distribution Center [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LynwoodCenturyDistributionCenterMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 16,847us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,881us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 34us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LynwoodCenturyDistributionCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 16,847us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LynwoodCenturyDistributionCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 17,915us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LynwoodCenturyDistributionCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 34,762us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LynwoodCenturyDistributionCenterMember
     
Real Estate Accumulated Depreciation 2,730us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_LynwoodCenturyDistributionCenterMember
     
Mansfield Baylor Emergency @ Mansfield [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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= dre_MansfieldBaylorEmergencyMansfieldMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,238us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MansfieldBaylorEmergencyMansfieldMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,546us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MansfieldBaylorEmergencyMansfieldMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,238us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MansfieldBaylorEmergencyMansfieldMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,546us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MansfieldBaylorEmergencyMansfieldMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,784us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MansfieldBaylorEmergencyMansfieldMember
     
Real Estate Accumulated Depreciation 254us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MansfieldBaylorEmergencyMansfieldMember
     
Manteca 600 Spreckels Ave [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Manteca600SpreckelsAveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,851us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Manteca600SpreckelsAveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 19,703us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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= dre_Manteca600SpreckelsAveMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 67us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Manteca600SpreckelsAveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,851us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Manteca600SpreckelsAveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 19,770us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Manteca600SpreckelsAveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 24,621us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Manteca600SpreckelsAveMember
     
Real Estate Accumulated Depreciation 2,025us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Manteca600SpreckelsAveMember
     
Marble Falls Marble Falls Medical Center [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarbleFallsMarbleFallsMedicalCenterMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,519us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarbleFallsMarbleFallsMedicalCenterMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 18,836us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarbleFallsMarbleFallsMedicalCenterMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 744us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarbleFallsMarbleFallsMedicalCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,519us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarbleFallsMarbleFallsMedicalCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 19,580us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarbleFallsMarbleFallsMedicalCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 21,099us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarbleFallsMarbleFallsMedicalCenterMember
     
Real Estate Accumulated Depreciation 1,619us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarbleFallsMarbleFallsMedicalCenterMember
     
Maryland Heights Riverport Tower [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportTowerMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,549us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportTowerMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 23,491us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportTowerMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 10,102us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportTowerMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,250us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportTowerMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 33,892us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportTowerMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 37,142us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportTowerMember
     
Real Estate Accumulated Depreciation 14,576us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportTowerMember
     
Maryland Heights Riverport Distribution [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportDistributionMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 242us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportDistributionMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,217us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportDistributionMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,473us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportDistributionMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 242us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportDistributionMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,690us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportDistributionMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,932us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportDistributionMember
     
Real Estate Accumulated Depreciation 1,958us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportDistributionMember
     
Maryland Heights 14000 Riverport Dr [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeights14000RiverportDrMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,197us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeights14000RiverportDrMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,590us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeights14000RiverportDrMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements (869)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeights14000RiverportDrMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 942us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeights14000RiverportDrMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,976us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeights14000RiverportDrMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,918us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeights14000RiverportDrMember
     
Real Estate Accumulated Depreciation 4,111us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeights14000RiverportDrMember
     
Maryland Heights 13900 Riverport Dr [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeights13900RiverportDrMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,285us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeights13900RiverportDrMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,473us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeights13900RiverportDrMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 286us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeights13900RiverportDrMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,680us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeights13900RiverportDrMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,364us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeights13900RiverportDrMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,044us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeights13900RiverportDrMember
     
Real Estate Accumulated Depreciation 4,270us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeights13900RiverportDrMember
     
Maryland Heights Riverport 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 900us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,556us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportIMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 283us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 551us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,188us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,739us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportIMember
     
Real Estate Accumulated Depreciation 1,349us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportIMember
     
Maryland Riverport 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,238us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,117us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportIiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,581us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,238us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,698us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,936us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportIiMember
     
Real Estate Accumulated Depreciation 2,393us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportIiMember
     
Maryland Riverport III [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportIiiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,269us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportIiiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,904us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportIiiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,503us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,269us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,407us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,676us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportIiiMember
     
Real Estate Accumulated Depreciation 2,052us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportIiiMember
     
Maryland Heights Riverport IV [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportIvMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,864us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportIvMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,230us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MarylandHeightsRiverportIvMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,874us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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McDonough 120 Declaration Dr [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
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McDonough 250 Declaration Dr [Member]        
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McKinney Baylor McKinney MOB I [Member]        
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Mechanicsburg 500 Independence Avenue [Member]        
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Melrose Park Melrose Business Center [Member]        
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Mendota Heights Enterprise Industrial Center [Member]        
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Mequon Seton Professional Building [Member]        
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Miami 9601 NW 112 Ave - Dade Paper [Member]        
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Middletown 560 Merrimac Ave. [Member]        
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Milwaukee Water Tower Medical Commons [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Minooka 801 Midpoint Rd [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate Accumulated Depreciation 1,634us-gaap_RealEstateAccumulatedDepreciation
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Modesto 1000 Oates Court [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 10,115us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 18,397us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 28,512us-gaap_RealEstateGrossAtCarryingValue
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Real Estate Accumulated Depreciation 2,405us-gaap_RealEstateAccumulatedDepreciation
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Moosic Shoppes at Montage [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 21,347us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 35,791us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,134us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 21,347us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 36,925us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate Accumulated Depreciation 22,894us-gaap_RealEstateAccumulatedDepreciation
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Morgans Point Barbours Cut I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,482us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,209us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,482us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,209us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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= dre_MorgansPointBarboursCutIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,691us-gaap_RealEstateGrossAtCarryingValue
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Real Estate Accumulated Depreciation 1,623us-gaap_RealEstateAccumulatedDepreciation
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Morgans Point Barbours Cut II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,447us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,471us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,447us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,471us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate Accumulated Depreciation 1,675us-gaap_RealEstateAccumulatedDepreciation
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Morrisville 507 Airport Blvd [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,327us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,040us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,351us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,901us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,252us-gaap_RealEstateGrossAtCarryingValue
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Real Estate Accumulated Depreciation 3,497us-gaap_RealEstateAccumulatedDepreciation
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Morrisville 5151 McCrimmon Pkwy [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,318us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,558us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,277us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,342us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,811us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,153us-gaap_RealEstateGrossAtCarryingValue
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Real Estate Accumulated Depreciation 3,921us-gaap_RealEstateAccumulatedDepreciation
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Morrisville 2600 Perimeter Park Dr [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 975us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,480us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,726us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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= dre_Morrisville2600PerimeterParkDrMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 991us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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= dre_Morrisville2600PerimeterParkDrMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,190us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,181us-gaap_RealEstateGrossAtCarryingValue
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Real Estate Accumulated Depreciation 2,339us-gaap_RealEstateAccumulatedDepreciation
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Morrisville 2400 Perimeter Park Drive [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 760us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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= dre_Morrisville2400PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,948us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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= dre_Morrisville2400PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 778us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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= dre_Morrisville2400PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,347us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2400PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,125us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 2,897us-gaap_RealEstateAccumulatedDepreciation
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= dre_Morrisville2400PerimeterParkDriveMember
     
Morrisville 3000 Perimeter Park Dr (Met 1) [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 482us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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= dre_Morrisville3000PerimeterParkDrMet1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,385us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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= dre_Morrisville3000PerimeterParkDrMet1Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,400us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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= dre_Morrisville3000PerimeterParkDrMet1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 491us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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= dre_Morrisville3000PerimeterParkDrMet1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,776us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville3000PerimeterParkDrMet1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,267us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville3000PerimeterParkDrMet1Member
     
Real Estate Accumulated Depreciation 1,617us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville3000PerimeterParkDrMet1Member
     
Morrisville 2900 Perimeter Park Dr (Met 2) [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 235us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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= dre_Morrisville2900PerimeterParkDrMet2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,564us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2900PerimeterParkDrMet2Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,381us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2900PerimeterParkDrMet2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 241us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2900PerimeterParkDrMet2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,939us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2900PerimeterParkDrMet2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,180us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2900PerimeterParkDrMet2Member
     
Real Estate Accumulated Depreciation 1,223us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2900PerimeterParkDrMet2Member
     
Morrisville 2800 Perimeter Park Dr (Met 3) [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2800PerimeterParkDrMet3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 777us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2800PerimeterParkDrMet3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,270us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2800PerimeterParkDrMet3Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,132us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2800PerimeterParkDrMet3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 791us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2800PerimeterParkDrMet3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,388us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2800PerimeterParkDrMet3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,179us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2800PerimeterParkDrMet3Member
     
Real Estate Accumulated Depreciation 2,113us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2800PerimeterParkDrMet3Member
     
Morrisville 1100 Perimeter Park Drive [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1100PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 777us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1100PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,433us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1100PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,752us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1100PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 794us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1100PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,168us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1100PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,962us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1100PerimeterParkDriveMember
     
Real Estate Accumulated Depreciation 3,429us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1100PerimeterParkDriveMember
     
Morrisville 1500 Perimeter Park Drive [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1500PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,148us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1500PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,058us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1500PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,265us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1500PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,177us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1500PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,294us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1500PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,471us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1500PerimeterParkDriveMember
     
Real Estate Accumulated Depreciation 4,944us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1500PerimeterParkDriveMember
     
Morrisville 1600 Perimeter Park Drive [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1600PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,463us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1600PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,251us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1600PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,543us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1600PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,492us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1600PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,765us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1600PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,257us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1600PerimeterParkDriveMember
     
Real Estate Accumulated Depreciation 4,301us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1600PerimeterParkDriveMember
     
Morrisville 1800 Perimeter Park Drive [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1800PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 907us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1800PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,930us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1800PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,973us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1800PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 923us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1800PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,887us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1800PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,810us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1800PerimeterParkDriveMember
     
Real Estate Accumulated Depreciation 2,838us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1800PerimeterParkDriveMember
     
Morrisville 2000 Perimeter Park Drive [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2000PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 788us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2000PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,038us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2000PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,063us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2000PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 810us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2000PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,079us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2000PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,889us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2000PerimeterParkDriveMember
     
Real Estate Accumulated Depreciation 2,636us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2000PerimeterParkDriveMember
     
Morrisville 1700 Perimeter Park Drive [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1700PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,230us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1700PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,838us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1700PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 4,022us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1700PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,260us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1700PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,830us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1700PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,090us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1700PerimeterParkDriveMember
     
Real Estate Accumulated Depreciation 5,307us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1700PerimeterParkDriveMember
     
Morrisville 5200 East Paramount Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville5200EastParamountParkwayMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,748us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville5200EastParamountParkwayMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,093us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville5200EastParamountParkwayMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,480us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville5200EastParamountParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,797us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville5200EastParamountParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,524us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville5200EastParamountParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,321us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville5200EastParamountParkwayMember
     
Real Estate Accumulated Depreciation 933us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville5200EastParamountParkwayMember
     
Morrisville 2700 Perimeter Park [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2700PerimeterParkMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 662us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2700PerimeterParkMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,170us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2700PerimeterParkMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,919us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2700PerimeterParkMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 662us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2700PerimeterParkMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,089us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2700PerimeterParkMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,751us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2700PerimeterParkMember
     
Real Estate Accumulated Depreciation 1,080us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2700PerimeterParkMember
     
Morrisville 5200 West Paramount [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville5200WestParamountMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,831us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville5200WestParamountMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,001us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville5200WestParamountMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,836us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville5200WestParamountMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,831us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville5200WestParamountMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,837us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville5200WestParamountMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,668us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville5200WestParamountMember
     
Real Estate Accumulated Depreciation 4,257us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville5200WestParamountMember
     
Morrisville 2450 Perimeter Park Drive [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2450PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 669us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2450PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,259us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2450PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 178us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2450PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 669us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2450PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,437us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2450PerimeterParkDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,106us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2450PerimeterParkDriveMember
     
Real Estate Accumulated Depreciation 843us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2450PerimeterParkDriveMember
     
Morrisville 3800 Paramount Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville3800ParamountParkwayMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,657us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville3800ParamountParkwayMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,392us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville3800ParamountParkwayMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,665us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville3800ParamountParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,657us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville3800ParamountParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,057us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville3800ParamountParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,714us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville3800ParamountParkwayMember
     
Real Estate Accumulated Depreciation 2,632us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville3800ParamountParkwayMember
     
Morrisville Lenovo BTS I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MorrisvilleLenovoBtsIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,439us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MorrisvilleLenovoBtsIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,956us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MorrisvilleLenovoBtsIMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,547us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MorrisvilleLenovoBtsIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,439us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MorrisvilleLenovoBtsIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 18,503us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MorrisvilleLenovoBtsIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 19,942us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MorrisvilleLenovoBtsIMember
     
Real Estate Accumulated Depreciation 7,185us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MorrisvilleLenovoBtsIMember
     
Morrisville Lenovo BTS II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MorrisvilleLenovoBtsIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,725us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MorrisvilleLenovoBtsIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,804us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MorrisvilleLenovoBtsIiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,019us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MorrisvilleLenovoBtsIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,725us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MorrisvilleLenovoBtsIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 18,823us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MorrisvilleLenovoBtsIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 20,548us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MorrisvilleLenovoBtsIiMember
     
Real Estate Accumulated Depreciation 6,580us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MorrisvilleLenovoBtsIiMember
     
Morrisville 5221 Paramount Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,661us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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= dre_Morrisville5221ParamountParkwayMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 13,595us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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= dre_Morrisville5221ParamountParkwayMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,014us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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= dre_Morrisville5221ParamountParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,661us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville5221ParamountParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 16,609us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville5221ParamountParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 18,270us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville5221ParamountParkwayMember
     
Real Estate Accumulated Depreciation 4,928us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville5221ParamountParkwayMember
     
Morrisville 2250 Perimeter Park [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 2,290us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,230us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,469us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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= dre_Morrisville2250PerimeterParkMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,290us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville2250PerimeterParkMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,699us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,989us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 3,611us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Morrisville Perimeter One [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 5,880us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,915us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 9,390us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,750us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 18,435us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 24,185us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 6,555us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Morrisville Market at Perimeter Park [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,152us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,634us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 683us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,152us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,317us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,469us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 719us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Morrisville Perimeter Two [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 5,522us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 21,873us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,522us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 21,873us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 27,395us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 880us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Morrisville Perimeter Three [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 5,965us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 26,560us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,965us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MorrisvillePerimeterThreeMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 26,560us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 32,525us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 501us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_MorrisvillePerimeterThreeMember
     
Morrisville 100 Innovation [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 633us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,470us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 782us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 633us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,252us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,885us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 1,651us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville100InnovationMember
     
Morrisville 101 Innovation [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 615us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,958us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 237us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 615us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville101InnovationMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,195us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville101InnovationMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,810us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville101InnovationMember
     
Real Estate Accumulated Depreciation 1,601us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville101InnovationMember
     
Morrisville 200 Innovation [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 357us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,949us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville200InnovationMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 458us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 357us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,407us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville200InnovationMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,764us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville200InnovationMember
     
Real Estate Accumulated Depreciation 1,692us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville200InnovationMember
     
Morrisville 501 Innovation [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 640us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,571us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville501InnovationMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 320us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 640us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,891us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville501InnovationMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,531us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville501InnovationMember
     
Real Estate Accumulated Depreciation 2,255us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville501InnovationMember
     
Morrisville 1000 Innovation [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 514us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1000InnovationMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,926us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1000InnovationMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 231us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1000InnovationMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 514us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1000InnovationMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,157us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1000InnovationMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,671us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1000InnovationMember
     
Real Estate Accumulated Depreciation 1,066us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1000InnovationMember
     
Morrisville 1200 Innovation [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 740us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,416us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1200InnovationMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 362us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1200InnovationMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 740us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1200InnovationMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,778us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1200InnovationMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,518us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1200InnovationMember
     
Real Estate Accumulated Depreciation 1,615us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Morrisville1200InnovationMember
     
Morrisville 400 Innovation [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Murfreesboro Middle Tenn Med Ctr - MOB [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
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Murphy Baylor Emergency @ Murphy [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
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Naperville 1835 Jefferson [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Naperville 175 Ambassador Dr [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
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Naperville 1860 W. Jefferson [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 35,590us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate Accumulated Depreciation 4,732us-gaap_RealEstateAccumulatedDepreciation
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Nahville Airpark East-800 Commerce Dr. [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 2,243us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,521us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate Accumulated Depreciation 1,068us-gaap_RealEstateAccumulatedDepreciation
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Nashville Nashville Business Center I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Nashville Nashville Business Center II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,436us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 4,167us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Nashville Four-Forty Business Center I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 938us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,516us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,454us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 2,535us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Nashville Four-Forty Business Center III [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,812us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,898us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,643us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,812us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,541us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,353us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 3,270us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Nashville Four-Forty Business Center IV [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,522us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,126us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,138us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,522us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,264us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,786us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 2,354us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Nashville Four-Forty Business Center V [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NashvilleFourFortyBusinessCenterVMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 471us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NashvilleFourFortyBusinessCenterVMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,221us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NashvilleFourFortyBusinessCenterVMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,400us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NashvilleFourFortyBusinessCenterVMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 471us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NashvilleFourFortyBusinessCenterVMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,621us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NashvilleFourFortyBusinessCenterVMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,092us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NashvilleFourFortyBusinessCenterVMember
     
Real Estate Accumulated Depreciation 1,208us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NashvilleFourFortyBusinessCenterVMember
     
Nashville Four-Forty Business Center II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 2,177us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NashvilleFourFortyBusinessCenterIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,108us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NashvilleFourFortyBusinessCenterIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,829us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NashvilleFourFortyBusinessCenterIiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NashvilleFourFortyBusinessCenterIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,108us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NashvilleFourFortyBusinessCenterIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,829us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NashvilleFourFortyBusinessCenterIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,937us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NashvilleFourFortyBusinessCenterIiMember
     
Real Estate Accumulated Depreciation 724us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NashvilleFourFortyBusinessCenterIiMember
     
New Century New Century Building One [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 9,222us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NewCenturyNewCenturyBuildingOneMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,710us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NewCenturyNewCenturyBuildingOneMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 18,279us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NewCenturyNewCenturyBuildingOneMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 156us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NewCenturyNewCenturyBuildingOneMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,710us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NewCenturyNewCenturyBuildingOneMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 18,435us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NewCenturyNewCenturyBuildingOneMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 20,145us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NewCenturyNewCenturyBuildingOneMember
     
Real Estate Accumulated Depreciation 1,558us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NewCenturyNewCenturyBuildingOneMember
     
Norfolk 1400 Sewells Point Rd [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 1,182us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Norfolk1400SewellsPointRdMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,463us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Norfolk1400SewellsPointRdMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,723us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Norfolk1400SewellsPointRdMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 575us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Norfolk1400SewellsPointRdMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,463us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Norfolk1400SewellsPointRdMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,298us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Norfolk1400SewellsPointRdMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,761us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Norfolk1400SewellsPointRdMember
     
Real Estate Accumulated Depreciation 1,596us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Norfolk1400SewellsPointRdMember
     
Northlake Northlake I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 7,970us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NorthlakeNorthlakeIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,721us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NorthlakeNorthlakeIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,123us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NorthlakeNorthlakeIMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 882us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NorthlakeNorthlakeIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,721us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NorthlakeNorthlakeIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,005us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NorthlakeNorthlakeIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,726us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NorthlakeNorthlakeIMember
     
Real Estate Accumulated Depreciation 3,065us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NorthlakeNorthlakeIMember
     
Northlake Northlake III-Grnd Whse [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 7,150us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NorthlakeNorthlakeIiiGrndWhseMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,382us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NorthlakeNorthlakeIiiGrndWhseMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,708us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NorthlakeNorthlakeIiiGrndWhseMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,544us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NorthlakeNorthlakeIiiGrndWhseMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,382us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NorthlakeNorthlakeIiiGrndWhseMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,252us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NorthlakeNorthlakeIiiGrndWhseMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,634us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NorthlakeNorthlakeIiiGrndWhseMember
     
Real Estate Accumulated Depreciation 2,687us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_NorthlakeNorthlakeIiiGrndWhseMember
     
Northlake 200 Champion Way [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Northlake200ChampionWayMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,554us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Northlake200ChampionWayMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,262us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Northlake200ChampionWayMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 22us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Northlake200ChampionWayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,554us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Northlake200ChampionWayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,284us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Northlake200ChampionWayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,838us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Northlake200ChampionWayMember
     
Real Estate Accumulated Depreciation 1,707us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Northlake200ChampionWayMember
     
Orlando Southcenter I-Brede Allied BTS [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoSouthcenterIBredeAlliedBtsMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,094us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoSouthcenterIBredeAlliedBtsMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,337us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoSouthcenterIBredeAlliedBtsMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 121us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoSouthcenterIBredeAlliedBtsMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,094us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoSouthcenterIBredeAlliedBtsMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,458us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoSouthcenterIBredeAlliedBtsMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,552us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoSouthcenterIBredeAlliedBtsMember
     
Real Estate Accumulated Depreciation 1,639us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoSouthcenterIBredeAlliedBtsMember
     
Orlando Parksouth Distribution Ctr. B [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrBMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 565us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrBMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,471us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrBMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 578us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrBMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 570us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrBMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,044us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrBMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,614us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrBMember
     
Real Estate Accumulated Depreciation 2,005us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrBMember
     
Orlando Parksouth Distribution Ctr. A [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 493us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,331us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 834us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 498us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,160us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,658us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrMember
     
Real Estate Accumulated Depreciation 2,013us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrMember
     
Orlando Parksouth Distribution Ctr. D [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrDMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 593us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrDMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,056us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrDMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 996us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrDMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 597us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrDMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,048us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrDMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,645us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrDMember
     
Real Estate Accumulated Depreciation 2,068us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrDMember
     
Orlando Parksouth Distribution Ctr. E [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrEMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 649us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrEMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,361us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrEMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,190us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrEMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 653us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrEMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,547us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrEMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,200us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrEMember
     
Real Estate Accumulated Depreciation 2,109us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrEMember
     
Orlando Parksouth Distribution Ctr. F [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrFMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,030us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrFMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,695us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrFMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,576us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrFMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,035us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrFMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,266us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrFMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,301us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrFMember
     
Real Estate Accumulated Depreciation 2,593us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrFMember
     
Orlando Parksouth Distribution Ctr. H [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrHMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 725us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrHMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,923us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrHMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,443us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrHMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 754us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrHMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,337us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrHMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,091us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrHMember
     
Real Estate Accumulated Depreciation 1,453us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrHMember
     
Orlando Parksouth Distribution Ctr. C [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrCMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 598us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrCMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,766us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrCMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,695us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrCMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 674us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrCMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,385us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrCMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,059us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrCMember
     
Real Estate Accumulated Depreciation 1,340us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthDistributionCtrCMember
     
Orlando Parksouth-Benjamin Moore BTS [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthBenjaminMooreBtsMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 708us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthBenjaminMooreBtsMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,067us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthBenjaminMooreBtsMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 62us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthBenjaminMooreBtsMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,129us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthBenjaminMooreBtsMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,708us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthBenjaminMooreBtsMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,837us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthBenjaminMooreBtsMember
     
Real Estate Accumulated Depreciation 906us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoParksouthBenjaminMooreBtsMember
     
Orlando Crossroads VII [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoCrossroadsViiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,803us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoCrossroadsViiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,246us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoCrossroadsViiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,466us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoCrossroadsViiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,803us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoCrossroadsViiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,712us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoCrossroadsViiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,515us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoCrossroadsViiMember
     
Real Estate Accumulated Depreciation 3,803us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoCrossroadsViiMember
     
Orlando Crossroads VIII [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoCrossroadsViiiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,701us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoCrossroadsViiiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,424us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoCrossroadsViiiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,914us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoCrossroadsViiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,701us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoCrossroadsViiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,338us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoCrossroadsViiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,039us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoCrossroadsViiiMember
     
Real Estate Accumulated Depreciation 2,034us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoCrossroadsViiiMember
     
Orlando E Orlando Med Surgery Plaza [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoEOrlandoMedSurgeryPlazaMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 683us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoEOrlandoMedSurgeryPlazaMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 14,011us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoEOrlandoMedSurgeryPlazaMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 48us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoEOrlandoMedSurgeryPlazaMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 683us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoEOrlandoMedSurgeryPlazaMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 14,059us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoEOrlandoMedSurgeryPlazaMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,742us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoEOrlandoMedSurgeryPlazaMember
     
Real Estate Accumulated Depreciation 1,645us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OrlandoEOrlandoMedSurgeryPlazaMember
     
Otsego Gateway North 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OtsegoGatewayNorth1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,243us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OtsegoGatewayNorth1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,959us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OtsegoGatewayNorth1Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,253us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OtsegoGatewayNorth1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,287us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OtsegoGatewayNorth1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,168us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OtsegoGatewayNorth1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,455us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OtsegoGatewayNorth1Member
     
Real Estate Accumulated Depreciation 1,907us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OtsegoGatewayNorth1Member
     
Otsego Gateway North 6 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OtsegoGatewayNorth6Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,266us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OtsegoGatewayNorth6Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,653us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OtsegoGatewayNorth6Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OtsegoGatewayNorth6Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,266us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OtsegoGatewayNorth6Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,653us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OtsegoGatewayNorth6Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,919us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OtsegoGatewayNorth6Member
     
Real Estate Accumulated Depreciation 88us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_OtsegoGatewayNorth6Member
     
Pasadena Interport Bldg I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PasadenaInterportBldgIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,715us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PasadenaInterportBldgIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 32,523us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PasadenaInterportBldgIMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 50us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PasadenaInterportBldgIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,715us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PasadenaInterportBldgIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 32,573us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PasadenaInterportBldgIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 38,288us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PasadenaInterportBldgIMember
     
Real Estate Accumulated Depreciation 2,377us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PasadenaInterportBldgIMember
     
Phoenix Estrella Buckeye [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PhoenixEstrellaBuckeyeMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,796us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PhoenixEstrellaBuckeyeMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,389us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PhoenixEstrellaBuckeyeMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 461us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PhoenixEstrellaBuckeyeMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,796us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PhoenixEstrellaBuckeyeMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,850us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PhoenixEstrellaBuckeyeMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,646us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PhoenixEstrellaBuckeyeMember
     
Real Estate Accumulated Depreciation 1,517us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PhoenixEstrellaBuckeyeMember
     
Phoenix Riverside Business Center [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PhoenixRiversideBusinessCenterMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,349us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PhoenixRiversideBusinessCenterMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,293us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PhoenixRiversideBusinessCenterMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 884us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PhoenixRiversideBusinessCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,349us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PhoenixRiversideBusinessCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,177us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PhoenixRiversideBusinessCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 18,526us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PhoenixRiversideBusinessCenterMember
     
Real Estate Accumulated Depreciation 3,512us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PhoenixRiversideBusinessCenterMember
     
Phoenix 2021 S 51st Ave Terminal [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Phoenix2021S51stAveTerminalMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 6,554us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Phoenix2021S51stAveTerminalMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,140us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Phoenix2021S51stAveTerminalMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Phoenix2021S51stAveTerminalMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,554us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Phoenix2021S51stAveTerminalMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,140us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Phoenix2021S51stAveTerminalMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,694us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Phoenix2021S51stAveTerminalMember
     
Real Estate Accumulated Depreciation 169us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Phoenix2021S51stAveTerminalMember
     
Plainfield Edward Plainfield MOB I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldEdwardPlainfieldMobIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldEdwardPlainfieldMobIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,688us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldEdwardPlainfieldMobIMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,675us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldEdwardPlainfieldMobIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldEdwardPlainfieldMobIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,363us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldEdwardPlainfieldMobIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,363us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldEdwardPlainfieldMobIMember
     
Real Estate Accumulated Depreciation 3,936us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldEdwardPlainfieldMobIMember
     
Plainfield Plainfield Building 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 15,723us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,104us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,151us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding1Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,528us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,341us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 14,442us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,783us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding1Member
     
Real Estate Accumulated Depreciation 5,483us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding1Member
     
Plainfield Plainfield Building 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 14,650us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,387us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,863us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding2Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,268us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,868us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,650us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,518us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding2Member
     
Real Estate Accumulated Depreciation 5,434us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding2Member
     
Plainfield Plainfield Building 3 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 15,668us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,016us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,852us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding3Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,637us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,016us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,489us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,505us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding3Member
     
Real Estate Accumulated Depreciation 3,371us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding3Member
     
Plainfield Plainfield Building 5 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 11,600us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding5Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,726us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding5Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,993us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding5Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,102us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding5Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,726us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding5Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,095us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding5Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,821us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding5Member
     
Real Estate Accumulated Depreciation 2,966us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding5Member
     
Plainfield Plainfield Building 8 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 20,885us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding8Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,527us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding8Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,088us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding8Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,105us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding8Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,527us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding8Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,193us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding8Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 16,720us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding8Member
     
Real Estate Accumulated Depreciation 4,088us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlainfieldPlainfieldBuilding8Member
     
Plano Baylor Plano MOB [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PianoBaylorPlanoMobMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 16us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PianoBaylorPlanoMobMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 28,010us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PianoBaylorPlanoMobMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 8,505us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PianoBaylorPlanoMobMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 49us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PianoBaylorPlanoMobMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 36,482us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PianoBaylorPlanoMobMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 36,531us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PianoBaylorPlanoMobMember
     
Real Estate Accumulated Depreciation 5,418us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PianoBaylorPlanoMobMember
     
Plantation Crossroads Business Park 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 10,564us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlantationCrossroadsBusinessPark1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,735us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlantationCrossroadsBusinessPark1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,548us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlantationCrossroadsBusinessPark1Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,439us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlantationCrossroadsBusinessPark1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,587us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlantationCrossroadsBusinessPark1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,135us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlantationCrossroadsBusinessPark1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 16,722us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlantationCrossroadsBusinessPark1Member
     
Real Estate Accumulated Depreciation 1,854us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlantationCrossroadsBusinessPark1Member
     
Plantation Crossroads Business Park 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 12,716us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlantationCrossroadsBusinessPark2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,610us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlantationCrossroadsBusinessPark2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,847us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlantationCrossroadsBusinessPark2Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,798us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlantationCrossroadsBusinessPark2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,610us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlantationCrossroadsBusinessPark2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,645us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlantationCrossroadsBusinessPark2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,255us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlantationCrossroadsBusinessPark2Member
     
Real Estate Accumulated Depreciation 1,946us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlantationCrossroadsBusinessPark2Member
     
Plantation Crossroads Business Park 3 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 17,483us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlantationCrossroadsBusinessPark3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,938us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlantationCrossroadsBusinessPark3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 13,085us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlantationCrossroadsBusinessPark3Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,210us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlantationCrossroadsBusinessPark3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,938us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlantationCrossroadsBusinessPark3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 16,295us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlantationCrossroadsBusinessPark3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 20,233us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlantationCrossroadsBusinessPark3Member
     
Real Estate Accumulated Depreciation 2,663us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlantationCrossroadsBusinessPark3Member
     
Plantation Crossroads Business Park 4 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlantationCrossroadsBusinessPark4Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,037us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlantationCrossroadsBusinessPark4Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,462us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlantationCrossroadsBusinessPark4Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 4,266us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlantationCrossroadsBusinessPark4Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,037us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlantationCrossroadsBusinessPark4Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 15,728us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlantationCrossroadsBusinessPark4Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 18,765us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlantationCrossroadsBusinessPark4Member
     
Real Estate Accumulated Depreciation 2,393us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlantationCrossroadsBusinessPark4Member
     
Plymouth Medicine Lake Indus. Center [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlymouthMedicineLakeIndusCenterMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,145us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlymouthMedicineLakeIndusCenterMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,246us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlymouthMedicineLakeIndusCenterMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,180us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlymouthMedicineLakeIndusCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,145us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlymouthMedicineLakeIndusCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,426us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlymouthMedicineLakeIndusCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,571us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlymouthMedicineLakeIndusCenterMember
     
Real Estate Accumulated Depreciation 3,231us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PlymouthMedicineLakeIndusCenterMember
     
Pompano Atlantic Business Center 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,165us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,949us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter1Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,207us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,165us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,156us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,321us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter1Member
     
Real Estate Accumulated Depreciation 1,559us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter1Member
     
Pompano Atlantic Business Center 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,663us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,751us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter2Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,000us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,663us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,751us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,414us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter2Member
     
Real Estate Accumulated Depreciation 1,659us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter2Member
     
Pompano Atlantic Business Center 3 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,764us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,323us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter3Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 178us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,764us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,501us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,265us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter3Member
     
Real Estate Accumulated Depreciation 1,316us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter3Member
     
Pompano Atlantic Business Center 4A [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter4AMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,804us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter4AMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,156us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter4AMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 45us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter4AMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,804us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter4AMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,201us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter4AMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,005us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter4AMember
     
Real Estate Accumulated Depreciation 1,062us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter4AMember
     
Pompano Atlantic Business Center 4B [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 4,197us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter4BMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,834us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter4BMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,531us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter4BMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 38us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter4BMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,834us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter4BMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,569us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter4BMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,403us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter4BMember
     
Real Estate Accumulated Depreciation 990us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter4BMember
     
Pompano Atlantic Business Center 5A [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter5AMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,980us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter5AMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,139us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter5AMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,176us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter5AMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,980us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter5AMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,315us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter5AMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,295us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter5AMember
     
Real Estate Accumulated Depreciation 1,149us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter5AMember
     
Pompano Atlantic Business Center 5B [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter5BMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,995us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter5BMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,257us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter5BMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 512us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter5BMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,995us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter5BMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,769us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter5BMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,764us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter5BMember
     
Real Estate Accumulated Depreciation 992us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter5BMember
     
Pompano Atlantic Business Center 6A [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter6AMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,999us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter6AMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,086us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter6AMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 357us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter6AMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,999us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter6AMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,443us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter6AMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,442us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter6AMember
     
Real Estate Accumulated Depreciation 950us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter6AMember
     
Pompano Atlantic Business Center 6B [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter6BMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,988us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter6BMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,155us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter6BMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 43us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter6BMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,988us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter6BMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,198us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter6BMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,186us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter6BMember
     
Real Estate Accumulated Depreciation 934us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter6BMember
     
Pompano Atlantic Business Center 7A [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter7AMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,194us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter7AMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,200us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter7AMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 115us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter7AMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,194us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter7AMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,315us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter7AMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,509us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter7AMember
     
Real Estate Accumulated Depreciation 707us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter7AMember
     
Pompano Atlantic Business Center 7B [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter7BMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,066us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter7BMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,915us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter7BMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 36us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter7BMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,066us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter7BMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,951us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter7BMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,017us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter7BMember
     
Real Estate Accumulated Depreciation 1,163us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter7BMember
     
Pompano Atlantic Business Center 8 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter8Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,616us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter8Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,654us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter8Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 47us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter8Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,616us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter8Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,701us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter8Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,317us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter8Member
     
Real Estate Accumulated Depreciation 593us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter8Member
     
Pompano Atlantic Business Center 9 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter9Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,429us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter9Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,329us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter9Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 27us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter9Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,429us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter9Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,356us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter9Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,785us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter9Member
     
Real Estate Accumulated Depreciation 416us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachAtlanticBusinessCenter9Member
     
Pompano Copans Business Park 3 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 3,854us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachCopansBusinessPark3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,710us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachCopansBusinessPark3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,718us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachCopansBusinessPark3Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 230us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachCopansBusinessPark3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,710us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachCopansBusinessPark3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,948us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachCopansBusinessPark3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,658us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachCopansBusinessPark3Member
     
Real Estate Accumulated Depreciation 616us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachCopansBusinessPark3Member
     
Pompano Copans Business Park 4 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 4,093us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachCopansBusinessPark4Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,781us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachCopansBusinessPark4Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,435us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachCopansBusinessPark4Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 117us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachCopansBusinessPark4Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,781us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachCopansBusinessPark4Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,552us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachCopansBusinessPark4Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,333us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachCopansBusinessPark4Member
     
Real Estate Accumulated Depreciation 670us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachCopansBusinessPark4Member
     
Pompano Park Central Business Park 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 5,555us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,613us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,569us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark1Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,166us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,613us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,735us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,348us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark1Member
     
Real Estate Accumulated Depreciation 1,041us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark1Member
     
Pompano Park Central Business Park 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 943us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 634us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 502us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark2Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 50us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 634us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 552us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 1,186us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark2Member
     
Real Estate Accumulated Depreciation 112us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark2Member
     
Pompano Park Central Business Park 3 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 1,219us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 638us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,007us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark3Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 58us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 638us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,065us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 1,703us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark3Member
     
Real Estate Accumulated Depreciation 177us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark3Member
     
Pompano Park Central Business Park 4 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 1,737us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark4Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 938us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark4Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,076us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark4Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 286us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark4Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 938us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark4Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,362us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark4Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,300us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark4Member
     
Real Estate Accumulated Depreciation 253us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark4Member
     
Pompano Park Central Business Park 5 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 2,543us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark5Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,125us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark5Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,430us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark5Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 726us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark5Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,125us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark5Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,156us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark5Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,281us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark5Member
     
Real Estate Accumulated Depreciation 366us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark5Member
     
Pompano Park Central Business Park 6 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 1,865us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark6Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,088us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark6Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 984us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark6Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 448us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark6Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,088us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark6Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,432us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark6Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,520us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark6Member
     
Real Estate Accumulated Depreciation 264us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark6Member
     
Pompano Park Central Business Park 7 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 1,949us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark7Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 979us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark7Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 950us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark7Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 41us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark7Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 979us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark7Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 991us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark7Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 1,970us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark7Member
     
Real Estate Accumulated Depreciation 348us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark7Member
     
Pompano Park Central Business Park 10 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 3,508us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark10Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,688us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark10Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,299us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark10Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements (4)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark10Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,688us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark10Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,295us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark10Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,983us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark10Member
     
Real Estate Accumulated Depreciation 632us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark10Member
     
Pompano Park Central Business Park 11 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 5,509us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark11Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,098us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark11Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,454us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark11Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,081us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark11Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,098us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark11Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,535us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark11Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,633us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark11Member
     
Real Estate Accumulated Depreciation 949us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark11Member
     
Pompano Pompano Commerce Ctr I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachPompanoCommerceCtrIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,250us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachPompanoCommerceCtrIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,425us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachPompanoCommerceCtrIMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 732us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachPompanoCommerceCtrIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,250us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachPompanoCommerceCtrIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,157us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachPompanoCommerceCtrIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,407us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachPompanoCommerceCtrIMember
     
Real Estate Accumulated Depreciation 1,657us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachPompanoCommerceCtrIMember
     
Pompano Pompano Commerce Ctr III [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachPompanoCommerceCtrIiiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,250us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachPompanoCommerceCtrIiiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,704us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachPompanoCommerceCtrIiiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachPompanoCommerceCtrIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,250us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachPompanoCommerceCtrIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,704us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachPompanoCommerceCtrIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,954us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachPompanoCommerceCtrIiiMember
     
Real Estate Accumulated Depreciation 1,654us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachPompanoCommerceCtrIiiMember
     
Pompano Sample 95 Business Park 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 6,670us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachSample95BusinessPark1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,300us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachSample95BusinessPark1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,380us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachSample95BusinessPark1Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 68us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachSample95BusinessPark1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,300us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachSample95BusinessPark1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,448us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachSample95BusinessPark1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,748us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachSample95BusinessPark1Member
     
Real Estate Accumulated Depreciation 1,037us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachSample95BusinessPark1Member
     
Pompano Sample 95 Business Park 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 9,918us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachSample95BusinessPark2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,963us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachSample95BusinessPark2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,367us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachSample95BusinessPark2Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 32us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachSample95BusinessPark2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,963us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachSample95BusinessPark2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,399us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachSample95BusinessPark2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,362us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachSample95BusinessPark2Member
     
Real Estate Accumulated Depreciation 1,078us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachSample95BusinessPark2Member
     
Pompano Sample 95 Business Park 3 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 8,635us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachSample95BusinessPark3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,713us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachSample95BusinessPark3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,465us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachSample95BusinessPark3Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 154us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachSample95BusinessPark3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,713us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachSample95BusinessPark3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,619us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachSample95BusinessPark3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,332us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachSample95BusinessPark3Member
     
Real Estate Accumulated Depreciation 912us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachSample95BusinessPark3Member
     
Pompano Sample 95 Business Park 4 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachSample95BusinessPark4Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,688us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachSample95BusinessPark4Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,146us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachSample95BusinessPark4Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 131us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachSample95BusinessPark4Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,688us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachSample95BusinessPark4Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,277us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachSample95BusinessPark4Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,965us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachSample95BusinessPark4Member
     
Real Estate Accumulated Depreciation 868us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachSample95BusinessPark4Member
     
Pompano Copans Business Park 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachCopansBusinessPark1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,856us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachCopansBusinessPark1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,211us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachCopansBusinessPark1Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 581us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachCopansBusinessPark1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,856us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachCopansBusinessPark1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,792us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachCopansBusinessPark1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,648us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachCopansBusinessPark1Member
     
Real Estate Accumulated Depreciation 663us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachCopansBusinessPark1Member
     
Pompano Copans Business Park 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachCopansBusinessPark2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,988us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachCopansBusinessPark2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,528us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachCopansBusinessPark2Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 213us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachCopansBusinessPark2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,988us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachCopansBusinessPark2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,741us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachCopansBusinessPark2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,729us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachCopansBusinessPark2Member
     
Real Estate Accumulated Depreciation 627us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachCopansBusinessPark2Member
     
Pompano Park Central Business Park 8-9 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 6,632us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark89Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,136us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark89Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,592us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark89Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 562us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark89Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,136us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark89Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,154us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark89Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,290us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark89Member
     
Real Estate Accumulated Depreciation 1,215us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PompanoBeachParkCentralBusinessPark89Member
     
Pompano Park Central Business Park 12 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 8,564us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 2,696us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate Accumulated Depreciation 1,009us-gaap_RealEstateAccumulatedDepreciation
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Pompano Park Central Business Park 14 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 2,798us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate Accumulated Depreciation 511us-gaap_RealEstateAccumulatedDepreciation
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Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 2,230us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,500us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,500us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,473us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 411us-gaap_RealEstateAccumulatedDepreciation
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Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 4,058us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 2,438us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,311us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,438us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,079us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,517us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 765us-gaap_RealEstateAccumulatedDepreciation
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Pompano Atlantic Business Ctr. 10-KFC [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 771us-gaap_RealEstateGrossAtCarryingValue
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Real Estate Accumulated Depreciation 17us-gaap_RealEstateAccumulatedDepreciation
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Port Wentworth 318 Grange Road [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 808us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,309us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 1,053us-gaap_RealEstateAccumulatedDepreciation
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Port Wentworth 246 Grange Road [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 4,552us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,191us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,347us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,538us-gaap_RealEstateGrossAtCarryingValue
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Real Estate Accumulated Depreciation 2,485us-gaap_RealEstateAccumulatedDepreciation
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Port Wentworth 100 Ocean Link Way-Godley Rd [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 8,262us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 2,306us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,075us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,896us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,336us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,941us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 16,277us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 2,976us-gaap_RealEstateAccumulatedDepreciation
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Port Wentworth 500 Expansion Blvd [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 3,592us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 649us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,282us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 216us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 649us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,498us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate Accumulated Depreciation 1,406us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Port Wentworth 400 Expansion Blvd [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 8,344us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,636us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,636us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,473us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 2,265us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_PortWentworth400ExpansionBlvdMember
     
Port Wentworth 605 Expansion Blvd [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 4,917us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,615us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,893us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,615us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,919us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,534us-gaap_RealEstateGrossAtCarryingValue
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Real Estate Accumulated Depreciation 1,207us-gaap_RealEstateAccumulatedDepreciation
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Port Wentworth 405 Expansion Blvd [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 1,968us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 535us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,194us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,194us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Port Wentworth 600 Expansion Blvd [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
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Port Wentworth 602 Expansion Blvd [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
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Raleigh Crabtree Overlook [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
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Raleigh WakeMed Brier Creek Healthplex [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
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Raleigh WakeMed Raleigh Medical Park [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Raleigh Walnut Creek Business Park I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,403us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,845us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 866us-gaap_RealEstateAccumulatedDepreciation
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Raleigh Walnut Creek Business Park II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,712us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 983us-gaap_RealEstateAccumulatedDepreciation
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Raleigh Walnut Creek Business Park III [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,372us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,259us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,978us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 1,395us-gaap_RealEstateAccumulatedDepreciation
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Raleigh Walnut Creek Business Park IV [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 2,038us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,460us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,452us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,083us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_RaleighWalnutCreekBusinessParkIvMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,867us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_RaleighWalnutCreekBusinessParkIvMember
     
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/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 1,645us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Raleigh Walnut Creek Business Park V [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,718us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_RaleighWalnutCreekBusinessParkVMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,976us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_RaleighWalnutCreekBusinessParkVMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 602us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_RaleighWalnutCreekBusinessParkVMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,718us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_RaleighWalnutCreekBusinessParkVMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,578us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_RaleighWalnutCreekBusinessParkVMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,296us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_RaleighWalnutCreekBusinessParkVMember
     
Real Estate Accumulated Depreciation 1,281us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_RaleighWalnutCreekBusinessParkVMember
     
Redlands Redlands Commerce Center [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 17,391us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 20,031us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 18,893us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 20,031us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 19,045us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 39,076us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 1,673us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_RedlandsRedlandsCommerceCenterMember
     
Rockwall Baylor Emergency @ Rockwall [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 2,974us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,075us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,974us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,075us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate Accumulated Depreciation 454us-gaap_RealEstateAccumulatedDepreciation
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Rome Harbin Cancer Center [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 718us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 14,032us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate Accumulated Depreciation 1,586us-gaap_RealEstateAccumulatedDepreciation
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Rome Harbin Clinic Heart Center [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,363us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Rome Harbin Clinic 1825 MarthaBerry [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Rome Harbin Clinic Rome Dialysis [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate Accumulated Depreciation 91us-gaap_RealEstateAccumulatedDepreciation
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Rome Harbin Specialty Center [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 2,203us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,203us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 14,764us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate Accumulated Depreciation 1,509us-gaap_RealEstateAccumulatedDepreciation
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Romeoville Park 55 Bldg. 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 7,973us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,865us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,433us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,572us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Romeoville Crossroads 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 6,299us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,938us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,070us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate Accumulated Depreciation 1,980us-gaap_RealEstateAccumulatedDepreciation
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Romeoville Crossroads 5 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 6,887us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 5,296us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,199us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 255us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,296us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,454us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate Accumulated Depreciation 2,952us-gaap_RealEstateAccumulatedDepreciation
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Roseville I-35 Business Center 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,966us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,020us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,655us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,986us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,641us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 884us-gaap_RealEstateAccumulatedDepreciation
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Roseville I-35 Business Center 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,373us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,220us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 31us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,373us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,251us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,624us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 659us-gaap_RealEstateAccumulatedDepreciation
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Roswell North Fulton Medical Plaza [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 291us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,908us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 777us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 291us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,685us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,976us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 1,340us-gaap_RealEstateAccumulatedDepreciation
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= dre_RoswellNorthFultonMedicalPlazaMember
     
San Antonio Christus Santa Rosa Hospital [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 5,267us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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= dre_SanAntonioChristusSantaRosaHospitalMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,660us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 197us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,267us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SanAntonioChristusSantaRosaHospitalMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,857us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SanAntonioChristusSantaRosaHospitalMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 16,124us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SanAntonioChristusSantaRosaHospitalMember
     
Real Estate Accumulated Depreciation 1,481us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SanAntonioChristusSantaRosaHospitalMember
     
Sandy Springs Center Pointe I & II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 13,552us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SandySpringsCenterPointeIIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 18,548us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SandySpringsCenterPointeIIiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 23,658us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SandySpringsCenterPointeIIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 13,562us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SandySpringsCenterPointeIIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 42,196us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SandySpringsCenterPointeIIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 55,758us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SandySpringsCenterPointeIIiMember
     
Real Estate Accumulated Depreciation 15,527us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SandySpringsCenterPointeIIiMember
     
Savannah 198 Gulfstream [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 5,272us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 549us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,805us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah198GulfstreamMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 174us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah198GulfstreamMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 549us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah198GulfstreamMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,979us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah198GulfstreamMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,528us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah198GulfstreamMember
     
Real Estate Accumulated Depreciation 1,011us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah198GulfstreamMember
     
Savannah 194 Gulfstream [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah194GulfstreamMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 412us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah194GulfstreamMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,514us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah194GulfstreamMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 20us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah194GulfstreamMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 412us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah194GulfstreamMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,534us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah194GulfstreamMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,946us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah194GulfstreamMember
     
Real Estate Accumulated Depreciation 607us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah194GulfstreamMember
     
Savannah 190 Gulfstream [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 32us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 689us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah190GulfstreamMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,391us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah190GulfstreamMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 209us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah190GulfstreamMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 689us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah190GulfstreamMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,600us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah190GulfstreamMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,289us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah190GulfstreamMember
     
Real Estate Accumulated Depreciation 1,120us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah190GulfstreamMember
     
Savannah 250 Grange Rd [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 1,717us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah250GrangeRdMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 928us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah250GrangeRdMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,648us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 14us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah250GrangeRdMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 928us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah250GrangeRdMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,662us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah250GrangeRdMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,590us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah250GrangeRdMember
     
Real Estate Accumulated Depreciation 2,495us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah250GrangeRdMember
     
Savannah 248 Grange Rd [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 731us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 664us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah248GrangeRdMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,496us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 8us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah248GrangeRdMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 664us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah248GrangeRdMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,504us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah248GrangeRdMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,168us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah248GrangeRdMember
     
Real Estate Accumulated Depreciation 1,016us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah248GrangeRdMember
     
Savannah 163 Portside Court [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 18,616us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 8,433us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah163PortsideCourtMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,766us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 35us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah163PortsideCourtMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 8,433us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah163PortsideCourtMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,801us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah163PortsideCourtMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 16,234us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah163PortsideCourtMember
     
Real Estate Accumulated Depreciation 3,670us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah163PortsideCourtMember
     
Savannah 151 Portside Court [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 1,516us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah151PortsideCourtMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 966us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah151PortsideCourtMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,140us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah151PortsideCourtMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 624us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah151PortsideCourtMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 966us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah151PortsideCourtMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,764us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah151PortsideCourtMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,730us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah151PortsideCourtMember
     
Real Estate Accumulated Depreciation 1,702us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah151PortsideCourtMember
     
Savannah 175 Portside Court [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 10,056us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah175PortsideCourtMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,300us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah175PortsideCourtMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 15,696us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah175PortsideCourtMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 667us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah175PortsideCourtMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,791us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah175PortsideCourtMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 15,872us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah175PortsideCourtMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 20,663us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah175PortsideCourtMember
     
Real Estate Accumulated Depreciation 5,251us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah175PortsideCourtMember
     
Savannah 150 Portside Court [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah150PortsideCourtMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,071us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah150PortsideCourtMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 22,520us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah150PortsideCourtMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,367us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah150PortsideCourtMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,071us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah150PortsideCourtMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 23,887us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah150PortsideCourtMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 26,958us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah150PortsideCourtMember
     
Real Estate Accumulated Depreciation 7,296us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah150PortsideCourtMember
     
Savannah 235 Jimmy Deloach Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah235JimmyDeloachParkwayMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,074us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah235JimmyDeloachParkwayMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,442us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah235JimmyDeloachParkwayMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 195us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah235JimmyDeloachParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,074us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah235JimmyDeloachParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,637us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah235JimmyDeloachParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,711us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah235JimmyDeloachParkwayMember
     
Real Estate Accumulated Depreciation 2,496us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah235JimmyDeloachParkwayMember
     
Savannah 239 Jimmy Deloach Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah239JimmyDeloachParkwayMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,074us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah239JimmyDeloachParkwayMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,141us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah239JimmyDeloachParkwayMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 88us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah239JimmyDeloachParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,074us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Savannah239JimmyDeloachParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,229us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,303us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 2,133us-gaap_RealEstateAccumulatedDepreciation
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Savannah 246 Jimmy Deloach Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 2,766us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 992us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,383us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 140us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 992us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,523us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,515us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 1,645us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Savannah 200 Ocean Link Way [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 5,481us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 878us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,021us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 90us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 883us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,106us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,989us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 2,429us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Savannah 2509 Dean Forest Rd - Westport [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 8,878us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 2,392us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,303us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,175us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,960us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,910us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,870us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 1,969us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Savannah 276 Jimmy Deloach Land [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 2,267us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 276us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,520us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 23us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,543us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 406us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Sea Brook Bayport Logistics Center [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 2,629us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 13,284us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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= dre_SeaBrookBayportLogisticsCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,629us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SeaBrookBayportLogisticsCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,284us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SeaBrookBayportLogisticsCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,913us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 2,712us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Sebring Sebring Medical Pavilion [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 393us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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= dre_SebringSebringMedicalPavilionMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,870us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 39us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 393us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,909us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,302us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 735us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Seven Hills Rock Run North [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
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Real Estate and Accumulated Depreciation, Initial Cost of Land 837us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,239us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 837us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,056us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SevenHillsRockRunNorthMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,893us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SevenHillsRockRunNorthMember
     
Real Estate Accumulated Depreciation 2,804us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SevenHillsRockRunNorthMember
     
Seven Hills Rock Run Center [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,046us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,134us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements (2,307)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,046us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,873us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 2,981us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SevenHillsRockRunCenterMember
     
Shakopee MN Valley West [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 1,496us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,112us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,496us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,112us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,608us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 793us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Sharonville Mosteller Distribution Ctr. II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 828us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,171us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,479us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 408us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SharonvilleMostellerDistributionCtrIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,070us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,478us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 2,327us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Snellville New Hampton Place [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 27us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,076us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,507us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land 27us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,583us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,610us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate Accumulated Depreciation 1,203us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Springfield Centerre/Mercy Rehab Hospital [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Land 2,729us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
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Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 18,319us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
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Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SpringfieldCenterreMercyRehabHospitalMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,729us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SpringfieldCenterreMercyRehabHospitalMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 18,319us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SpringfieldCenterreMercyRehabHospitalMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 21,048us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SpringfieldCenterreMercyRehabHospitalMember
     
Real Estate Accumulated Depreciation 777us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SpringfieldCenterreMercyRehabHospitalMember
     
St. Louis Lakeside Crossing Building One [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisLakesideCrossingBuildingOneMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 547us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisLakesideCrossingBuildingOneMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 812us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisLakesideCrossingBuildingOneMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 735us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisLakesideCrossingBuildingOneMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 431us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisLakesideCrossingBuildingOneMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,663us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisLakesideCrossingBuildingOneMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,094us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisLakesideCrossingBuildingOneMember
     
Real Estate Accumulated Depreciation 507us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisLakesideCrossingBuildingOneMember
     
St. Louis Lakeside Crossing Building II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisLakesideCrossingBuildingIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 732us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisLakesideCrossingBuildingIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,095us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisLakesideCrossingBuildingIiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 89us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisLakesideCrossingBuildingIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 731us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisLakesideCrossingBuildingIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,185us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisLakesideCrossingBuildingIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 1,916us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisLakesideCrossingBuildingIiMember
     
Real Estate Accumulated Depreciation 572us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisLakesideCrossingBuildingIiMember
     
St Louis Lakeside Crossing Building III [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisLakesideCrossingBuildingIiiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,784us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisLakesideCrossingBuildingIiiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,453us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisLakesideCrossingBuildingIiiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 543us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisLakesideCrossingBuildingIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,502us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisLakesideCrossingBuildingIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,278us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisLakesideCrossingBuildingIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,780us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisLakesideCrossingBuildingIiiMember
     
Real Estate Accumulated Depreciation 1,530us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisLakesideCrossingBuildingIiiMember
     
St. Louis 530 Maryville Centre [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis530MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,219us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis530MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 13,783us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis530MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,931us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis530MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,219us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis530MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 17,714us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis530MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 19,933us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis530MaryvilleCentreMember
     
Real Estate Accumulated Depreciation 8,187us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis530MaryvilleCentreMember
     
St. Louis 550 Maryville Centre [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis550MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,996us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis550MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,301us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis550MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,012us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis550MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,996us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis550MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,313us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis550MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,309us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis550MaryvilleCentreMember
     
Real Estate Accumulated Depreciation 5,833us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis550MaryvilleCentreMember
     
St. Louis 635-645 Maryville Centre [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis635645MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,048us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis635645MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,794us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis635645MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 4,621us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis635645MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,048us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis635645MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 21,415us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis635645MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 24,463us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis635645MaryvilleCentreMember
     
Real Estate Accumulated Depreciation 10,048us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis635645MaryvilleCentreMember
     
St. Louis 655 Maryville Centre [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis655MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,860us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis655MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 13,067us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis655MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,518us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis655MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,860us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis655MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 15,585us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis655MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 17,445us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis655MaryvilleCentreMember
     
Real Estate Accumulated Depreciation 7,352us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis655MaryvilleCentreMember
     
St. Louis 540 Maryville Centre [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis540MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,219us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis540MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,807us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis540MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,168us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis540MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,219us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis540MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 15,975us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis540MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 18,194us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis540MaryvilleCentreMember
     
Real Estate Accumulated Depreciation 7,581us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis540MaryvilleCentreMember
     
St. Louis 520 Maryville Centre [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis520MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,404us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis520MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 13,843us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis520MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,964us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis520MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,350us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis520MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 16,861us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis520MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 19,211us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis520MaryvilleCentreMember
     
Real Estate Accumulated Depreciation 6,848us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis520MaryvilleCentreMember
     
St. Louis 625 Maryville Centre [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis625MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,509us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis625MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,694us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis625MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,707us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis625MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,509us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis625MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,401us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis625MaryvilleCentreMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,910us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis625MaryvilleCentreMember
     
Real Estate Accumulated Depreciation 5,185us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouis625MaryvilleCentreMember
     
St. Louis Westport Center I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestportCenterIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,315us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestportCenterIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,410us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestportCenterIMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,349us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestportCenterIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,315us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestportCenterIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,759us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestportCenterIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,074us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestportCenterIMember
     
Real Estate Accumulated Depreciation 2,570us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestportCenterIMember
     
St. Louis Westport Center II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestportCenterIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 707us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestportCenterIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,763us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestportCenterIiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 609us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestportCenterIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 707us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestportCenterIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,372us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestportCenterIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,079us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestportCenterIiMember
     
Real Estate Accumulated Depreciation 1,102us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestportCenterIiMember
     
St. Louis Westport Center III [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestportCenterIiiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,206us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestportCenterIiiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,575us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestportCenterIiiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,164us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestportCenterIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 931us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestportCenterIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,014us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestportCenterIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,945us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestportCenterIiiMember
     
Real Estate Accumulated Depreciation 1,515us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestportCenterIiiMember
     
St. Louis Westport Center V [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestportCenterVMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 493us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestportCenterVMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,263us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestportCenterVMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 553us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestportCenterVMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 493us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestportCenterVMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,816us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestportCenterVMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,309us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestportCenterVMember
     
Real Estate Accumulated Depreciation 702us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestportCenterVMember
     
St. Louis Westmark [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestmarkMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,491us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestmarkMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,065us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestmarkMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,870us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestmarkMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,336us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestmarkMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,090us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestmarkMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,426us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestmarkMember
     
Real Estate Accumulated Depreciation 6,641us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestmarkMember
     
St. Louis Westview Place [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestviewPlaceMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 669us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestviewPlaceMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,307us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestviewPlaceMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 4,939us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestviewPlaceMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 669us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestviewPlaceMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,246us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestviewPlaceMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,915us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestviewPlaceMember
     
Real Estate Accumulated Depreciation 6,211us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWestviewPlaceMember
     
St. Louis Woodsmill Commons II (400) [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWoodsmillCommonsIi400Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,718us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWoodsmillCommonsIi400Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,742us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWoodsmillCommonsIi400Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 4,136us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWoodsmillCommonsIi400Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,365us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWoodsmillCommonsIi400Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,231us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWoodsmillCommonsIi400Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,596us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWoodsmillCommonsIi400Member
     
Real Estate Accumulated Depreciation 3,104us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWoodsmillCommonsIi400Member
     
St. Louis Woodsmill Commons I (424) [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWoodsmillCommonsI424Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,836us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWoodsmillCommonsI424Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,253us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWoodsmillCommonsI424Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,086us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWoodsmillCommonsI424Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,836us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWoodsmillCommonsI424Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,339us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWoodsmillCommonsI424Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,175us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWoodsmillCommonsI424Member
     
Real Estate Accumulated Depreciation 3,133us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StLouisWoodsmillCommonsI424Member
     
Stafford Stafford Distribution Center [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StaffordStaffordDistributionCenterMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,502us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StaffordStaffordDistributionCenterMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,670us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StaffordStaffordDistributionCenterMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,326us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StaffordStaffordDistributionCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,502us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StaffordStaffordDistributionCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,996us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StaffordStaffordDistributionCenterMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,498us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StaffordStaffordDistributionCenterMember
     
Real Estate Accumulated Depreciation 2,491us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_StaffordStaffordDistributionCenterMember
     
Sterling 22800 Davis Drive [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Sterling22800DavisDriveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,550us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Sterling22800DavisDriveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,250us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Sterling22800DavisDriveMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements (6,511)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Sterling22800DavisDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,550us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Sterling22800DavisDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,739us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Sterling22800DavisDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,289us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Sterling22800DavisDriveMember
     
Real Estate Accumulated Depreciation 2,831us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Sterling22800DavisDriveMember
     
Sterling 22714 Glenn Drive [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Sterling22714GlennDriveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,973us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Sterling22714GlennDriveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,617us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Sterling22714GlennDriveMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,096us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Sterling22714GlennDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,973us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Sterling22714GlennDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,713us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Sterling22714GlennDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,686us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Sterling22714GlennDriveMember
     
Real Estate Accumulated Depreciation 1,584us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Sterling22714GlennDriveMember
     
Suffolk 101 Industrial Dr, Bldg. A [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suffolk101IndustrialDrBldgMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,558us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suffolk101IndustrialDrBldgMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,080us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suffolk101IndustrialDrBldgMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 24us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suffolk101IndustrialDrBldgMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,558us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suffolk101IndustrialDrBldgMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,104us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suffolk101IndustrialDrBldgMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,662us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suffolk101IndustrialDrBldgMember
     
Real Estate Accumulated Depreciation 1,432us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suffolk101IndustrialDrBldgMember
     
Suffolk 103 Industrial Dr [Domain]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suffolk103IndustrialDrDomain
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,558us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suffolk103IndustrialDrDomain
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,080us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suffolk103IndustrialDrDomain
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 60us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suffolk103IndustrialDrDomain
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,558us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suffolk103IndustrialDrDomain
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,140us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suffolk103IndustrialDrDomain
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,698us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suffolk103IndustrialDrDomain
     
Real Estate Accumulated Depreciation 1,437us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suffolk103IndustrialDrDomain
     
Summerville Harbin Clinic Summerville Dial [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SummervilleHarbinClinicSummervilleDialMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 195us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SummervilleHarbinClinicSummervilleDialMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,182us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SummervilleHarbinClinicSummervilleDialMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SummervilleHarbinClinicSummervilleDialMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 195us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SummervilleHarbinClinicSummervilleDialMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,182us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SummervilleHarbinClinicSummervilleDialMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 1,377us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SummervilleHarbinClinicSummervilleDialMember
     
Real Estate Accumulated Depreciation 226us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SummervilleHarbinClinicSummervilleDialMember
     
Sumner Sumner Transit [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 14,051us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SumnerSumnerTransitMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 16,032us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SumnerSumnerTransitMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,935us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SumnerSumnerTransitMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 278us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SumnerSumnerTransitMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 16,032us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SumnerSumnerTransitMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,213us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SumnerSumnerTransitMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 22,245us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SumnerSumnerTransitMember
     
Real Estate Accumulated Depreciation 3,179us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SumnerSumnerTransitMember
     
Sunrise Sawgrass - Bldg B [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseSawgrassBldgBMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,211us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseSawgrassBldgBMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,263us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseSawgrassBldgBMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,094us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseSawgrassBldgBMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,211us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseSawgrassBldgBMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,357us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseSawgrassBldgBMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,568us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseSawgrassBldgBMember
     
Real Estate Accumulated Depreciation 2,862us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseSawgrassBldgBMember
     
Sunrise Sawgrass - Bldg A [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseSawgrassBldgMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,147us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseSawgrassBldgMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,732us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseSawgrassBldgMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 785us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseSawgrassBldgMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,147us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseSawgrassBldgMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,517us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseSawgrassBldgMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,664us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseSawgrassBldgMember
     
Real Estate Accumulated Depreciation 1,730us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseSawgrassBldgMember
     
Sunrise Sawgrass Pointe I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseSawgrassPointeIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,484us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseSawgrassPointeIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,108us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseSawgrassPointeIMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 10,643us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseSawgrassPointeIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,484us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseSawgrassPointeIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 27,751us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseSawgrassPointeIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 31,235us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseSawgrassPointeIMember
     
Real Estate Accumulated Depreciation 11,387us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseSawgrassPointeIMember
     
Sunrise Sawgrass Pointe II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseSawgrassPointeIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,481us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseSawgrassPointeIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,874us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseSawgrassPointeIiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements (12)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseSawgrassPointeIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,481us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseSawgrassPointeIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,862us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseSawgrassPointeIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,343us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseSawgrassPointeIiMember
     
Real Estate Accumulated Depreciation 2,044us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseSawgrassPointeIiMember
     
Sunrise VA Outpatient [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseVaOutpatientMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,132us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseVaOutpatientMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 20,887us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseVaOutpatientMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 484us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseVaOutpatientMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,132us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseVaOutpatientMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 21,371us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseVaOutpatientMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 26,503us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseVaOutpatientMember
     
Real Estate Accumulated Depreciation 2,260us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SunriseVaOutpatientMember
     
Suwanee 90 Horizon Drive [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee90HorizonDriveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 180us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee90HorizonDriveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,274us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee90HorizonDriveMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 107us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee90HorizonDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 180us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee90HorizonDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,381us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee90HorizonDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 1,561us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee90HorizonDriveMember
     
Real Estate Accumulated Depreciation 265us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee90HorizonDriveMember
     
Suwanee 225 Horizon Drive [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee225HorizonDriveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 457us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee225HorizonDriveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,089us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee225HorizonDriveMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 187us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee225HorizonDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 457us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee225HorizonDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,276us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee225HorizonDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,733us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee225HorizonDriveMember
     
Real Estate Accumulated Depreciation 388us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee225HorizonDriveMember
     
Suwanee 250 Horizon Drive [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee250HorizonDriveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,625us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee250HorizonDriveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,470us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee250HorizonDriveMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 740us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee250HorizonDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,625us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee250HorizonDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,210us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee250HorizonDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,835us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee250HorizonDriveMember
     
Real Estate Accumulated Depreciation 1,316us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee250HorizonDriveMember
     
Suwanee 70 Crestridge Drive [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee70CrestridgeDriveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 956us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee70CrestridgeDriveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,523us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee70CrestridgeDriveMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 235us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee70CrestridgeDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 956us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee70CrestridgeDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,758us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee70CrestridgeDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,714us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee70CrestridgeDriveMember
     
Real Estate Accumulated Depreciation 675us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee70CrestridgeDriveMember
     
Suwanee 2780 Horizon Ridge [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee2780HorizonRidgeMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,143us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee2780HorizonRidgeMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,724us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee2780HorizonRidgeMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 126us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee2780HorizonRidgeMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,143us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee2780HorizonRidgeMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,850us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee2780HorizonRidgeMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,993us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee2780HorizonRidgeMember
     
Real Estate Accumulated Depreciation 1,000us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee2780HorizonRidgeMember
     
Suwanee 25 Crestridge Dr [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee25CrestridgeDrMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 723us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee25CrestridgeDrMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,564us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee25CrestridgeDrMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,301us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee25CrestridgeDrMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 723us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee25CrestridgeDrMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,865us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee25CrestridgeDrMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,588us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee25CrestridgeDrMember
     
Real Estate Accumulated Depreciation 588us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee25CrestridgeDrMember
     
Suwanee Genera Corp. BTS [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SuwaneeGeneraCorpBtsMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,505us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SuwaneeGeneraCorpBtsMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,958us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SuwaneeGeneraCorpBtsMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SuwaneeGeneraCorpBtsMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,505us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SuwaneeGeneraCorpBtsMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,958us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SuwaneeGeneraCorpBtsMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,463us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SuwaneeGeneraCorpBtsMember
     
Real Estate Accumulated Depreciation 1,072us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_SuwaneeGeneraCorpBtsMember
     
Suwanee 1000 Northbrook Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee1000NorthbrookParkwayMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 756us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee1000NorthbrookParkwayMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,931us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee1000NorthbrookParkwayMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 572us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee1000NorthbrookParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 756us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee1000NorthbrookParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,503us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee1000NorthbrookParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,259us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee1000NorthbrookParkwayMember
     
Real Estate Accumulated Depreciation 925us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Suwanee1000NorthbrookParkwayMember
     
Tampa Fairfield Distribution Ctr I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 1,650us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 483us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,539us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrIMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 315us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 487us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,850us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,337us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrIMember
     
Real Estate Accumulated Depreciation 1,095us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrIMember
     
Tampa Fairfield Distribution Ctr II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 2,887us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 530us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,794us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrIiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 287us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 534us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,077us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,611us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrIiMember
     
Real Estate Accumulated Depreciation 1,975us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrIiMember
     
Tampa Fairfield Distribution Ctr III [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 1,557us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrIiiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 334us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrIiiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,709us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrIiiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 135us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 338us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,840us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,178us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrIiiMember
     
Real Estate Accumulated Depreciation 1,112us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrIiiMember
     
Tampa Fairfield Distribution Ctr IV [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 1,669us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrIvMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 600us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrIvMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,390us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrIvMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,387us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrIvMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 604us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrIvMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,773us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrIvMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,377us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrIvMember
     
Real Estate Accumulated Depreciation 1,078us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrIvMember
     
Tampa Fairfield Distribution Ctr V [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 1,750us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrVMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 488us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrVMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,620us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrVMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 263us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrVMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 488us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrVMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,883us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrVMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,371us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrVMember
     
Real Estate Accumulated Depreciation 1,134us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrVMember
     
Tampa Fairfield Distribution Ctr VI [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 2,607us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrViMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 555us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrViMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,575us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrViMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 872us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrViMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 555us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrViMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,447us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrViMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,002us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrViMember
     
Real Estate Accumulated Depreciation 1,576us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrViMember
     
Tampa Fairfield Distribution Ctr VII [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 1,497us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrViiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 394us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrViiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,853us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrViiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 855us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrViiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 394us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrViiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,708us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrViiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,102us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrViiMember
     
Real Estate Accumulated Depreciation 935us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistributionCtrViiMember
     
Tampa Fairfield Distrib. Ctr. VIII [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 1,788us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistribCtrViiiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,082us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistribCtrViiiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,071us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistribCtrViiiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 420us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistribCtrViiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,082us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistribCtrViiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,491us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistribCtrViiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,573us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistribCtrViiiMember
     
Real Estate Accumulated Depreciation 1,277us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaFairfieldDistribCtrViiiMember
     
Tampa Eagle Creek Business Ctr. I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaEagleCreekBusinessCtrIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,705us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaEagleCreekBusinessCtrIMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,355us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaEagleCreekBusinessCtrIMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,052us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaEagleCreekBusinessCtrIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,705us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaEagleCreekBusinessCtrIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,407us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaEagleCreekBusinessCtrIMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,112us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaEagleCreekBusinessCtrIMember
     
Real Estate Accumulated Depreciation 2,038us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaEagleCreekBusinessCtrIMember
     
Tampa Eagle Creek Business Ctr. II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaEagleCreekBusinessCtrIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,354us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaEagleCreekBusinessCtrIiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,669us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaEagleCreekBusinessCtrIiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 977us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaEagleCreekBusinessCtrIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,354us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaEagleCreekBusinessCtrIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,646us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaEagleCreekBusinessCtrIiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,000us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaEagleCreekBusinessCtrIiMember
     
Real Estate Accumulated Depreciation 1,325us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaEagleCreekBusinessCtrIiMember
     
Tampa Eagle Creek Business Ctr. III [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaEagleCreekBusinessCtrIiiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,332us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaEagleCreekBusinessCtrIiiMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,237us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaEagleCreekBusinessCtrIiiMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,745us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaEagleCreekBusinessCtrIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,332us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaEagleCreekBusinessCtrIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,982us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaEagleCreekBusinessCtrIiiMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,314us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaEagleCreekBusinessCtrIiiMember
     
Real Estate Accumulated Depreciation 1,891us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaEagleCreekBusinessCtrIiiMember
     
Tampa VA Primary Care Annex at Tampa [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaVAPrimaryCareAnnexatTampaMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 7,456us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaVAPrimaryCareAnnexatTampaMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 25,557us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaVAPrimaryCareAnnexatTampaMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaVAPrimaryCareAnnexatTampaMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 7,456us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaVAPrimaryCareAnnexatTampaMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 25,557us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaVAPrimaryCareAnnexatTampaMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 33,013us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaVAPrimaryCareAnnexatTampaMember
     
Real Estate Accumulated Depreciation 844us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TampaVAPrimaryCareAnnexatTampaMember
     
Temple Bone & Joint Institute [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TempleBoneJointInstituteMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,534us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TempleBoneJointInstituteMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,382us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TempleBoneJointInstituteMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,522us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TempleBoneJointInstituteMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,613us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TempleBoneJointInstituteMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 18,825us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TempleBoneJointInstituteMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 20,438us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TempleBoneJointInstituteMember
     
Real Estate Accumulated Depreciation 1,236us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_TempleBoneJointInstituteMember
     
Tracy 1400 Pescadero Ave [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Tracy1400PescaderoAveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 9,633us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Tracy1400PescaderoAveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 39,644us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Tracy1400PescaderoAveMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Tracy1400PescaderoAveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 9,633us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Tracy1400PescaderoAveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 39,644us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Tracy1400PescaderoAveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 49,277us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Tracy1400PescaderoAveMember
     
Real Estate Accumulated Depreciation 2,793us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Tracy1400PescaderoAveMember
     
Visalia 2500 North Plaza Dr [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Visalia2500NorthPlazaDrMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,746us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Visalia2500NorthPlazaDrMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 22,503us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Visalia2500NorthPlazaDrMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Visalia2500NorthPlazaDrMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,746us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Visalia2500NorthPlazaDrMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 22,503us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Visalia2500NorthPlazaDrMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 25,249us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Visalia2500NorthPlazaDrMember
     
Real Estate Accumulated Depreciation 1,529us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_Visalia2500NorthPlazaDrMember
     
Waco Hillcrest MOB 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WacoHillcrestMob1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 812us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WacoHillcrestMob1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 25,050us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WacoHillcrestMob1Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,779us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WacoHillcrestMob1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 812us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WacoHillcrestMob1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 26,829us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WacoHillcrestMob1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 27,641us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WacoHillcrestMob1Member
     
Real Estate Accumulated Depreciation 3,595us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WacoHillcrestMob1Member
     
Waco Hillcrest MOB 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WacoHillcrestMob2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 502us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WacoHillcrestMob2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,243us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WacoHillcrestMob2Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 571us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WacoHillcrestMob2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 502us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WacoHillcrestMob2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,814us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WacoHillcrestMob2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,316us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WacoHillcrestMob2Member
     
Real Estate Accumulated Depreciation 1,486us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WacoHillcrestMob2Member
     
Waco Hillcrest Cancer Center @ Waco [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WacoHillcrestCancerCenterWacoMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,844us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WacoHillcrestCancerCenterWacoMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,006us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WacoHillcrestCancerCenterWacoMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 505us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WacoHillcrestCancerCenterWacoMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,926us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WacoHillcrestCancerCenterWacoMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,429us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WacoHillcrestCancerCenterWacoMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,355us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WacoHillcrestCancerCenterWacoMember
     
Real Estate Accumulated Depreciation 812us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WacoHillcrestCancerCenterWacoMember
     
West Chester World Park at Union Centre 10 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre10Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,150us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre10Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,503us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre10Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 7,408us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre10Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,151us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre10Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,910us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre10Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,061us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre10Member
     
Real Estate Accumulated Depreciation 7,108us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre10Member
     
West Chester World Park at Union Centre 11 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre11Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,592us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre11Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,065us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre11Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 189us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre11Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,592us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre11Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,254us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre11Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,846us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre11Member
     
Real Estate Accumulated Depreciation 2,989us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre11Member
     
West Chester World Park at Union Centre 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 287us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,333us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre2Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 206us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 287us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,539us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,826us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre2Member
     
Real Estate Accumulated Depreciation 444us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre2Member
     
West Chester World Park at Union Centre 3 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,125us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,042us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre3Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 248us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,125us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,290us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,415us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre3Member
     
Real Estate Accumulated Depreciation 1,026us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre3Member
     
West Chester World Park at Union Centre 5 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre5Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 482us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre5Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,528us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre5Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 15us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre5Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 482us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre5Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,543us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre5Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,025us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre5Member
     
Real Estate Accumulated Depreciation 530us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre5Member
     
West Chester World Park at Union Centre 6 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre6Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,219us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre6Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,415us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre6Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 214us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre6Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,219us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre6Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,629us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre6Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,848us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre6Member
     
Real Estate Accumulated Depreciation 1,175us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre6Member
     
West Chester World Park at Union Centre 7 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre7Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,918us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre7Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,230us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre7Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 299us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre7Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,918us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre7Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,529us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre7Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,447us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre7Member
     
Real Estate Accumulated Depreciation 1,430us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre7Member
     
West Chester World Park at Union Centre 8 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre8Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,160us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre8Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,028us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre8Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 323us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre8Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,160us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre8Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,351us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre8Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,511us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre8Member
     
Real Estate Accumulated Depreciation 1,031us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre8Member
     
West Chester World Park at Union Centre 9 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre9Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,189us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre9Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,914us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre9Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 130us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre9Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,189us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre9Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,044us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre9Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,233us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre9Member
     
Real Estate Accumulated Depreciation 1,046us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChesterWorldParkAtUnionCentre9Member
     
Wesley Chapel Wesley Chapel Wellness MOB [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WesleyChapelWesleyChapelWellnessMOBMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WesleyChapelWesleyChapelWellnessMOBMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 15,699us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WesleyChapelWesleyChapelWellnessMOBMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,314us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WesleyChapelWesleyChapelWellnessMOBMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WesleyChapelWesleyChapelWellnessMOBMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 17,013us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WesleyChapelWesleyChapelWellnessMOBMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 17,013us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WesleyChapelWesleyChapelWellnessMOBMember
     
Real Estate Accumulated Depreciation 1,911us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WesleyChapelWesleyChapelWellnessMOBMember
     
West Chicago 1250 Carolina Drive [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChicago1250CarolinaDriveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,246us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChicago1250CarolinaDriveMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,073us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChicago1250CarolinaDriveMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 124us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChicago1250CarolinaDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,246us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChicago1250CarolinaDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,197us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChicago1250CarolinaDriveMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,443us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChicago1250CarolinaDriveMember
     
Real Estate Accumulated Depreciation 562us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestChicago1250CarolinaDriveMember
     
West Jefferson Restoration Hardware BTS [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestJeffersonRestorationHardwareBtsMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 6,454us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestJeffersonRestorationHardwareBtsMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 24,812us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestJeffersonRestorationHardwareBtsMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 15,993us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestJeffersonRestorationHardwareBtsMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 10,017us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestJeffersonRestorationHardwareBtsMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 37,242us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestJeffersonRestorationHardwareBtsMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 47,259us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestJeffersonRestorationHardwareBtsMember
     
Real Estate Accumulated Depreciation 8,576us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestJeffersonRestorationHardwareBtsMember
     
West Jefferson 15 Commerce Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestJefferson15CommerceParkwayMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 10,439us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestJefferson15CommerceParkwayMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 27,143us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestJefferson15CommerceParkwayMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 63us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestJefferson15CommerceParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 10,439us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestJefferson15CommerceParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 27,206us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestJefferson15CommerceParkwayMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 37,645us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestJefferson15CommerceParkwayMember
     
Real Estate Accumulated Depreciation 5,715us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestJefferson15CommerceParkwayMember
     
West Jefferson 10 Enterprise Pkwy [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestJefferson10EnterprisePkwyMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,300us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestJefferson10EnterprisePkwyMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 19,215us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestJefferson10EnterprisePkwyMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestJefferson10EnterprisePkwyMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,300us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestJefferson10EnterprisePkwyMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 19,215us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestJefferson10EnterprisePkwyMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 21,515us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestJefferson10EnterprisePkwyMember
     
Real Estate Accumulated Depreciation 319us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestJefferson10EnterprisePkwyMember
     
West Palm Beach Park of Commerce 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachParkOfCommerce1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,635us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachParkOfCommerce1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,927us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachParkOfCommerce1Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 158us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachParkOfCommerce1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,635us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachParkOfCommerce1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,085us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachParkOfCommerce1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,720us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachParkOfCommerce1Member
     
Real Estate Accumulated Depreciation 453us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachParkOfCommerce1Member
     
West Palm Beach Park of Commerce 3 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachParkOfCommerce3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,160us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachParkOfCommerce3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,340us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachParkOfCommerce3Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 514us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachParkOfCommerce3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,320us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachParkOfCommerce3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,694us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachParkOfCommerce3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,014us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachParkOfCommerce3Member
     
Real Estate Accumulated Depreciation 1,008us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachParkOfCommerce3Member
     
West Palm Beach Airport Center 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachAirportCenter1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,437us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachAirportCenter1Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,948us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachAirportCenter1Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 81us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachAirportCenter1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,437us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachAirportCenter1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,029us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachAirportCenter1Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,466us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachAirportCenter1Member
     
Real Estate Accumulated Depreciation 962us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachAirportCenter1Member
     
West Palm Beach Airport Center 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachAirportCenter2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,706us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachAirportCenter2Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,495us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachAirportCenter2Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 158us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachAirportCenter2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,706us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachAirportCenter2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,653us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachAirportCenter2Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,359us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachAirportCenter2Member
     
Real Estate Accumulated Depreciation 723us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachAirportCenter2Member
     
West Palm Beach Airport Center 3 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachAirportCenter3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,500us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachAirportCenter3Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,750us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachAirportCenter3Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 340us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachAirportCenter3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,500us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachAirportCenter3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,090us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachAirportCenter3Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,590us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachAirportCenter3Member
     
Real Estate Accumulated Depreciation 977us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachAirportCenter3Member
     
West Palm Beach Park of Commerce 4 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 5,725us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachParkOfCommerce4Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,934us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachParkOfCommerce4Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachParkOfCommerce4Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachParkOfCommerce4Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,934us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachParkOfCommerce4Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachParkOfCommerce4Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,934us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachParkOfCommerce4Member
     
Real Estate Accumulated Depreciation 19us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachParkOfCommerce4Member
     
West Palm Beach Park of Commerce 5 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 6,026us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachParkOfCommerce5Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 6,308us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachParkOfCommerce5Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachParkOfCommerce5Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachParkOfCommerce5Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,308us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachParkOfCommerce5Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachParkOfCommerce5Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,308us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachParkOfCommerce5Member
     
Real Estate Accumulated Depreciation 18us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WestPalmBeachParkOfCommerce5Member
     
Whitestown AllPoints Anson Bldg 14 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WhitestownAllpointsAnsonBldg14Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,127us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WhitestownAllpointsAnsonBldg14Member
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,155us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WhitestownAllpointsAnsonBldg14Member
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 805us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WhitestownAllpointsAnsonBldg14Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,127us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WhitestownAllpointsAnsonBldg14Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,960us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WhitestownAllpointsAnsonBldg14Member
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,087us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WhitestownAllpointsAnsonBldg14Member
     
Real Estate Accumulated Depreciation 1,660us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WhitestownAllpointsAnsonBldg14Member
     
Woodstock NSH Cherokee Towne Lake MOB [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WoodstockNSHCherokeeTowneLakeMOBMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 21us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WoodstockNSHCherokeeTowneLakeMOBMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,026us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WoodstockNSHCherokeeTowneLakeMOBMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,395us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WoodstockNSHCherokeeTowneLakeMOBMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 21us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WoodstockNSHCherokeeTowneLakeMOBMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 17,421us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WoodstockNSHCherokeeTowneLakeMOBMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 17,442us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WoodstockNSHCherokeeTowneLakeMOBMember
     
Real Estate Accumulated Depreciation 1,024us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_WoodstockNSHCherokeeTowneLakeMOBMember
     
Zionsville Marketplace at Anson [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_ZionsvilleMarketplaceAtAnsonMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,147us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_ZionsvilleMarketplaceAtAnsonMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,471us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_ZionsvilleMarketplaceAtAnsonMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,534us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_ZionsvilleMarketplaceAtAnsonMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,147us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_ZionsvilleMarketplaceAtAnsonMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,005us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_ZionsvilleMarketplaceAtAnsonMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,152us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_ZionsvilleMarketplaceAtAnsonMember
     
Real Estate Accumulated Depreciation 1,686us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_ZionsvilleMarketplaceAtAnsonMember
     
Accum. Depr. on Improvements of Undeveloped Land [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AccumDeprOnImprovementsOfUndevelopedLandMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AccumDeprOnImprovementsOfUndevelopedLandMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AccumDeprOnImprovementsOfUndevelopedLandMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AccumDeprOnImprovementsOfUndevelopedLandMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AccumDeprOnImprovementsOfUndevelopedLandMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AccumDeprOnImprovementsOfUndevelopedLandMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 0us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AccumDeprOnImprovementsOfUndevelopedLandMember
     
Real Estate Accumulated Depreciation 30,474us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_AccumDeprOnImprovementsOfUndevelopedLandMember
     
Eliminations [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EliminationsMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Land 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EliminationsMember
     
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EliminationsMember
     
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements (2,507)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EliminationsMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land (16)us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EliminationsMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements (2,491)us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EliminationsMember
     
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements (2,507)us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EliminationsMember
     
Real Estate Accumulated Depreciation (3,388)us-gaap_RealEstateAccumulatedDepreciation
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= dre_EliminationsMember
     
Maximum [Member] | Developed Properties [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Property, Plant and Equipment, Useful Life 40 years      
Maximum [Member] | Acquired Properties [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Property, Plant and Equipment, Useful Life 30 years      
Maximum [Member] | Leasehold Improvements [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Property, Plant and Equipment, Useful Life 10 years      
Minimum [Member] | Developed Properties [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Property, Plant and Equipment, Useful Life 15 years      
Minimum [Member] | Acquired Properties [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Property, Plant and Equipment, Useful Life 10 years      
Minimum [Member] | Leasehold Improvements [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Property, Plant and Equipment, Useful Life 3 years