    <SEC-DOCUMENT>0000826675-25-000122-index.html : 20250728
    <SEC-HEADER>0000826675-25-000122.hdr.sgml : 20250728
    <ACCEPTANCE-DATETIME>20250728164124
    ACCESSION NUMBER:		0000826675-25-000122
    CONFORMED SUBMISSION TYPE:	S-3ASR
    PUBLIC DOCUMENT COUNT:		18
    FILED AS OF DATE:		20250728
    DATE AS OF CHANGE:		20250728
    EFFECTIVENESS DATE:		20250728

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			DYNEX CAPITAL INC
    		CENTRAL INDEX KEY:			0000826675
    		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
    		ORGANIZATION NAME:           	05 Real Estate & Construction
    		EIN:				521549373
    		STATE OF INCORPORATION:			VA
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-3ASR
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-289004
    		FILM NUMBER:		251156173

    	BUSINESS ADDRESS:
    		STREET 1:		4991 LAKE BROOK DRIVE
    		STREET 2:		STE 100
    		CITY:			GLEN ALLEN
    		STATE:			VA
    		ZIP:			23060
    		BUSINESS PHONE:		8042175800

    	MAIL ADDRESS:
    		STREET 1:		4991 LAKE BROOK DRIVE
    		STREET 2:		STE 100
    		CITY:			GLEN ALLEN
    		STATE:			VA
    		ZIP:			23060

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	RESOURCE MORTGAGE CAPITAL INC/VA
    		DATE OF NAME CHANGE:	19930722

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	RESOURCE MORTGAGE INVESTMENT CORP
    		DATE OF NAME CHANGE:	19930505

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	RAC MORTGAGE INVESTMENT CORP /VA/
    		DATE OF NAME CHANGE:	19930505
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>S-3ASR
    <SEQUENCE>1
    <FILENAME>a2025forms-3.htm
    <DESCRIPTION>S-3ASR
    <TEXT>
    Document 1 - file: a2025forms-3.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-FILING FEES
    <SEQUENCE>2
    <FILENAME>exfilingfees.htm
    <DESCRIPTION>EX-FILING FEES
    <TEXT>
    Document 2 - file: exfilingfees.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-5.1
    <SEQUENCE>3
    <FILENAME>exhibit51opinion2025forms-3.htm
    <DESCRIPTION>EX-5.1
    <TEXT>
    Document 3 - file: exhibit51opinion2025forms-3.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-8.1
    <SEQUENCE>4
    <FILENAME>exhibit81taxopinion2025for.htm
    <DESCRIPTION>EX-8.1
    <TEXT>
    Document 4 - file: exhibit81taxopinion2025for.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-23.1
    <SEQUENCE>5
    <FILENAME>exhibit231auditorconsentju.htm
    <DESCRIPTION>EX-23.1
    <TEXT>
    Document 5 - file: exhibit231auditorconsentju.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>dynex-newlogo002a.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: dynex-newlogo002a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>image_0.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: image_0.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>image_0a.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: image_0a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>10
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 10 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>11
    <FILENAME>R2.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 11 - file: R2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>12
    <FILENAME>R3.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 12 - file: R3.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>13
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 13 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>14
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 14 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>16
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 16 - file: FilingSummary.html

    Document 16 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>18
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 18 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>19
    <FILENAME>0000826675-25-000122-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 19 - file: 0000826675-25-000122-xbrl.zip

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

    Document 20 - RAW XML: exfilingfees_htm.xml

    </DOCUMENT>
    </SEC-DOCUMENT>