    <SEC-DOCUMENT>0000104894-20-000053-index.html : 20200422
    <SEC-HEADER>0000104894-20-000053.hdr.sgml : 20200422
    <ACCEPTANCE-DATETIME>20200422163702
    ACCESSION NUMBER:		0000104894-20-000053
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		21
    CONFORMED PERIOD OF REPORT:	20200422
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20200422
    DATE AS OF CHANGE:		20200422

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			WASHINGTON REAL ESTATE INVESTMENT TRUST
    		CENTRAL INDEX KEY:			0000104894
    		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
    		IRS NUMBER:				530261100
    		STATE OF INCORPORATION:			MD
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-06622
    		FILM NUMBER:		20808288

    	BUSINESS ADDRESS:
    		STREET 1:		1775 EYE STREET, NW
    		STREET 2:		SUITE 1000
    		CITY:			WASHINGTON
    		STATE:			DC
    		ZIP:			20006
    		BUSINESS PHONE:		2027743200

    	MAIL ADDRESS:
    		STREET 1:		1775 EYE STREET, NW
    		STREET 2:		SUITE 1000
    		CITY:			WASHINGTON
    		STATE:			DC
    		ZIP:			20006
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>q12020earningsrelease8.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: q12020earningsrelease8.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>q12020earningsrelease.htm
    <DESCRIPTION>EXHIBIT 99.1
    <TEXT>
    Document 2 - file: q12020earningsrelease.htm

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    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>q12020supplemental.htm
    <DESCRIPTION>EXHIBIT 99.2
    <TEXT>
    Document 3 - file: q12020supplemental.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>4
    <FILENAME>wre-20200422.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
    <TEXT>
    Document 4 - file: wre-20200422.xsd

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    <DOCUMENT>
    <TYPE>EX-101.CAL
    <SEQUENCE>5
    <FILENAME>wre-20200422_cal.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT
    <TEXT>
    Document 5 - file: wre-20200422_cal.xml

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    <DOCUMENT>
    <TYPE>EX-101.DEF
    <SEQUENCE>6
    <FILENAME>wre-20200422_def.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT
    <TEXT>
    Document 6 - file: wre-20200422_def.xml

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    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>7
    <FILENAME>wre-20200422_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
    <TEXT>
    Document 7 - file: wre-20200422_lab.xml

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    <SEQUENCE>8
    <FILENAME>wre-20200422_pre.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
    <TEXT>
    Document 8 - file: wre-20200422_pre.xml

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    <SEQUENCE>9
    <FILENAME>chart-5e0f557be50d5db48e0.jpg
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    <SEQUENCE>10
    <FILENAME>chart-20c7775117da53abaaa.jpg
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    Document 10 - file: chart-20c7775117da53abaaa.jpg

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    <SEQUENCE>11
    <FILENAME>picture1a23.jpg
    <TEXT>
    Document 11 - file: picture1a23.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>q120covera01.jpg
    <TEXT>
    Document 12 - file: q120covera01.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>wrelogo26.jpg
    <TEXT>
    Document 13 - file: wrelogo26.jpg

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    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>14
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 14 - file: Financial_Report.xlsx

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>15
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 15 - file: R1.htm

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>16
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 16 - file: Show.js

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    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>17
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 17 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>18
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 18 - file: FilingSummary.html

    Document 18 - RAW XML: FilingSummary.xml

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>20
    <FILENAME>q12020earningsrelease8_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 20 - file: q12020earningsrelease8_htm.html

    Document 20 - RAW XML: q12020earningsrelease8_htm.xml

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>21
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 21 - file: report.css

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    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>22
    <FILENAME>0000104894-20-000053-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 22 - file: 0000104894-20-000053-xbrl.zip

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