Notes Payable (Details) (USD $) In Thousands, unless otherwise specified
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12 Months Ended |
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Dec. 31, 2014
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Dec. 31, 2013
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Debt Instrument [Line Items] |
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Total principal |
$ 414,500us-gaap_DebtInstrumentCarryingAmount
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Notes Payable |
747,208us-gaap_NotesPayable
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846,703us-gaap_NotesPayable
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Unsecured Debt [Member] |
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Debt Instrument [Line Items] |
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Total principal |
750,000us-gaap_DebtInstrumentCarryingAmount / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember
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Net unamortized discount |
(2,792)us-gaap_DebtInstrumentUnamortizedDiscount / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember
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Notes Payable |
747,208us-gaap_NotesPayable / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember
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Unsecured Debt [Member] | 10 Year Unsecured Notes 5.359% [Member] |
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Debt Instrument [Line Items] |
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Coupon stated rate |
5.35%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = wre_A10YearUnsecuredNotes5359Member / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember
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Effective rate |
5.359%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_DebtInstrumentAxis = wre_A10YearUnsecuredNotes5359Member / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember
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[1] |
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Notes Payable |
50,000us-gaap_NotesPayable / us-gaap_DebtInstrumentAxis = wre_A10YearUnsecuredNotes5359Member / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember
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Debt Instrument, Maturity Date |
May 01, 2015
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[2] |
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Unsecured Debt [Member] | 10 Year Unsecured Notes 5.49% [Member] |
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Debt Instrument [Line Items] |
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Coupon stated rate |
5.35%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = wre_A10YearUnsecuredNotes549Member / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember
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Effective rate |
5.49%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_DebtInstrumentAxis = wre_A10YearUnsecuredNotes549Member / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember
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[1] |
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Notes Payable |
100,000us-gaap_NotesPayable / us-gaap_DebtInstrumentAxis = wre_A10YearUnsecuredNotes549Member / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember
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Debt Instrument, Maturity Date |
May 01, 2015
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[2] |
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Unsecured Debt [Member] | 10 Year Unsecured Notes 5.053% [Member] |
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Debt Instrument [Line Items] |
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Coupon stated rate |
4.95%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = wre_A10YearUnsecuredNotes5053Member / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember
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Effective rate |
5.053%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_DebtInstrumentAxis = wre_A10YearUnsecuredNotes5053Member / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember
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[1] |
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Notes Payable |
250,000us-gaap_NotesPayable / us-gaap_DebtInstrumentAxis = wre_A10YearUnsecuredNotes5053Member / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember
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Debt Instrument, Maturity Date |
Oct. 01, 2020
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[2] |
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Unsecured Debt [Member] | 10 Year Unsecured Notes 3.950 % [Member] |
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Debt Instrument [Line Items] |
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Coupon stated rate |
3.95%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = wre_ThreePointNineFivePercentUnsecuredNotesMember / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember
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Effective rate |
4.018%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_DebtInstrumentAxis = wre_ThreePointNineFivePercentUnsecuredNotesMember / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember
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[1] |
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Notes Payable |
300,000us-gaap_NotesPayable / us-gaap_DebtInstrumentAxis = wre_ThreePointNineFivePercentUnsecuredNotesMember / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember
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Debt Instrument, Maturity Date |
Oct. 15, 2022
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[2] |
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Unsecured Debt [Member] | 20 Year Unsecured Notes [Member] |
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Debt Instrument [Line Items] |
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Coupon stated rate |
7.25%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = wre_A20YearUnsecuredNotesMember / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember
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Effective rate |
7.36%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_DebtInstrumentAxis = wre_A20YearUnsecuredNotesMember / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember
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[1] |
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Notes Payable |
$ 50,000us-gaap_NotesPayable / us-gaap_DebtInstrumentAxis = wre_A20YearUnsecuredNotesMember / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember
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Debt Instrument, Maturity Date |
Feb. 25, 2028
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[2] |
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Unsecured Debt [Member] | 10 Year Unsecured Notes 5.125% [Member] |
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Debt Instrument [Line Items] |
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Long-term Debt, Maturities, Repayment Terms |
100000
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Unsecured Debt [Member] | 10 Year Unsecured Notes 5.34% [Member] |
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Debt Instrument [Line Items] |
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Coupon stated rate |
5.25%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = wre_A10YearUnsecuredNotes534Member / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember
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