    <SEC-DOCUMENT>0001558370-22-011647-index.html : 20220802
    <SEC-HEADER>0001558370-22-011647.hdr.sgml : 20220802
    <ACCEPTANCE-DATETIME>20220802161626
    ACCESSION NUMBER:		0001558370-22-011647
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		24
    CONFORMED PERIOD OF REPORT:	20220802
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20220802
    DATE AS OF CHANGE:		20220802

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			JBG SMITH Properties
    		CENTRAL INDEX KEY:			0001689796
    		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
    		IRS NUMBER:				814307010
    		STATE OF INCORPORATION:			MD
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-37994
    		FILM NUMBER:		221128910

    	BUSINESS ADDRESS:
    		STREET 1:		4747 BETHESDA AVENUE
    		STREET 2:		SUITE 200
    		CITY:			BETHESDA
    		STATE:			MD
    		ZIP:			20814
    		BUSINESS PHONE:		240-333-3600

    	MAIL ADDRESS:
    		STREET 1:		4747 BETHESDA AVENUE
    		STREET 2:		SUITE 200
    		CITY:			BETHESDA
    		STATE:			MD
    		ZIP:			20814

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	Vornado DC Spinco
    		DATE OF NAME CHANGE:	20161109
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>jbgs-20220802x8k.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: jbgs-20220802x8k.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>jbgs-20220802xex99d1.htm
    <DESCRIPTION>EX-99.1
    <TEXT>
    Document 2 - file: jbgs-20220802xex99d1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>jbgs-20220802x8k001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: jbgs-20220802x8k001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>jbgs-20220802xex99d1006.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: jbgs-20220802xex99d1006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>jbgs-20220802xex99d1005.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: jbgs-20220802xex99d1005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>jbgs-20220802xex99d1015.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: jbgs-20220802xex99d1015.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>jbgs-20220802xex99d1001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: jbgs-20220802xex99d1001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>jbgs-20220802xex99d1003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: jbgs-20220802xex99d1003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>jbgs-20220802xex99d1014.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: jbgs-20220802xex99d1014.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>jbgs-20220802xex99d1055.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: jbgs-20220802xex99d1055.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>jbgs-20220802xex99d1002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: jbgs-20220802xex99d1002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>jbgs-20220802xex99d1013.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: jbgs-20220802xex99d1013.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>jbgs-20220802xex99d1004.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: jbgs-20220802xex99d1004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>14
    <FILENAME>jbgs-20220802.xsd
    <DESCRIPTION>EX-101.SCH
    <TEXT>
    Document 14 - file: jbgs-20220802.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>15
    <FILENAME>jbgs-20220802_lab.xml
    <DESCRIPTION>EX-101.LAB
    <TEXT>
    Document 15 - file: jbgs-20220802_lab.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>16
    <FILENAME>jbgs-20220802_pre.xml
    <DESCRIPTION>EX-101.PRE
    <TEXT>
    Document 16 - file: jbgs-20220802_pre.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>17
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 17 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>18
    <FILENAME>jbgs-20220802x8k_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 18 - file: jbgs-20220802x8k_htm.html

    Document 18 - RAW XML: jbgs-20220802x8k_htm.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>19
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 19 - file: Financial_Report.xlsx

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>20
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 20 - file: Show.js

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

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>22
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 22 - file: FilingSummary.html

    Document 22 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>24
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 24 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>25
    <FILENAME>0001558370-22-011647-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 25 - file: 0001558370-22-011647-xbrl.zip

    </DOCUMENT>
    </SEC-DOCUMENT>