Quarterly report pursuant to Section 13 or 15(d)

Real Estate - Discontinued Operations (Details)

v2.4.1.9
Real Estate - Discontinued Operations (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended 1 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
sqft
Sep. 30, 2013
agreements
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Rentable Square Feet     430,000us-gaap_AreaOfRealEstateProperty  
Contract sale price $ 37,800wre_DisposalGroupIncludingDiscontinuedOperationSalePrice   $ 195,161wre_DisposalGroupIncludingDiscontinuedOperationSalePrice  
Disposal Group, including discontinued operation, gain (loss) on sale of real estate 30,277wre_Gainlossonsaleofrealestateincludingdiscontinuedoperations   106,555wre_Gainlossonsaleofrealestateincludingdiscontinuedoperations  
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal 30,277us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal 0us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal    
Gain on sale of real estate 0us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax 106,273us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax    
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]        
Real estate rental revenue 0us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue 892us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue    
Real estate expenses 0us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense (346)us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense    
Income from operations classified as discontinued operations 0us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax 546us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax    
Country Club Towers [Member]        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Number of Units in Real Estate Property 227us-gaap_NumberOfUnitsInRealEstateProperty
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= wre_CountryClubTowersMember
     
Medical Office Porfolio [Member]        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Number of Purchase and Sale Agreements       4wre_NumberofPurchaseandSaleAgreements
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= wre_MedicalOfficePorfolioMember
Multifamily [Member] | Country Club Towers [Member]        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Disposal Group, Not Discontinued Operation, Sale Price 37,800wre_DisposalGroupNotDiscontinuedOperationSalePrice
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= wre_MultifamilyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= wre_CountryClubTowersMember
[1]      
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal 30,277us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= wre_MultifamilyMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= wre_CountryClubTowersMember
[1]      
Medical Office Building [Member] | Medical Office Portfolio Transactions III & IV [Member]        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Rentable Square Feet     427,000us-gaap_AreaOfRealEstateProperty
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= wre_MedicalOfficeBuildingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= wre_MedicalOfficePortfolioTransactionsIIIIVMember
[2]  
Contract sale price     193,561wre_DisposalGroupIncludingDiscontinuedOperationSalePrice
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= wre_MedicalOfficeBuildingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= wre_MedicalOfficePortfolioTransactionsIIIIVMember
[2]  
Medical Office [Member] | Medical Office Portfolio Transactions III & IV [Member]        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Gain on sale of real estate     105,985us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= wre_MedicalOfficeMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= wre_MedicalOfficePortfolioTransactionsIIIIVMember
 
Retail [Member] | Gateway 7-11 [Member]        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Rentable Square Feet     3,000us-gaap_AreaOfRealEstateProperty
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= wre_RetailMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= wre_Gateway711Member
[1]  
Disposal Group, Not Discontinued Operation, Sale Price     1,600wre_DisposalGroupNotDiscontinuedOperationSalePrice
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= wre_RetailMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= wre_Gateway711Member
[1]  
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal     570us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= wre_RetailMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= wre_Gateway711Member
[1]  
Office [Member] | Medical Office Porfolio [Member]        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Number of Buildings Sold       2wre_NumberofBuildingsSold
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= wre_OfficeMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= wre_MedicalOfficePorfolioMember
Medical Office And Office Building [Member] | Medical Office Porfolio [Member]        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Contract sale price $ 500,800wre_DisposalGroupIncludingDiscontinuedOperationSalePrice
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= wre_MedicalOfficeAndOfficeBuildingMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= wre_MedicalOfficePorfolioMember
     
[1] (1) These properties are classified as continuing operations.
[2] (2) Woodburn Medical Park I and II and Prosperity Medical Center I, II and III, which are classified as discontinued operations.