    <SEC-DOCUMENT>0001104659-22-103348-index.html : 20220927
    <SEC-HEADER>0001104659-22-103348.hdr.sgml : 20220927
    <ACCEPTANCE-DATETIME>20220927170536
    ACCESSION NUMBER:		0001104659-22-103348
    CONFORMED SUBMISSION TYPE:	S-3ASR
    PUBLIC DOCUMENT COUNT:		17
    FILED AS OF DATE:		20220927
    DATE AS OF CHANGE:		20220927
    EFFECTIVENESS DATE:		20220927

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			MFA FINANCIAL, INC.
    		CENTRAL INDEX KEY:			0001055160
    		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
    		IRS NUMBER:				133974868
    		STATE OF INCORPORATION:			MD
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-3ASR
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-267634
    		FILM NUMBER:		221271932

    	BUSINESS ADDRESS:
    		STREET 1:		350 PARK AVENUE
    		STREET 2:		20TH FL
    		CITY:			NEW YORK
    		STATE:			NY
    		ZIP:			10022
    		BUSINESS PHONE:		2122076400

    	MAIL ADDRESS:
    		STREET 1:		350 PARK AVE
    		STREET 2:		20TH FLOOR
    		CITY:			NEW YORK
    		STATE:			NY
    		ZIP:			10022

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	MFA MORTGAGE INVESTMENTS
    		DATE OF NAME CHANGE:	20020809

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	AMERICA FIRST MORTGAGE INVESTMENTS INC
    		DATE OF NAME CHANGE:	19980211
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>S-3ASR
    <SEQUENCE>1
    <FILENAME>tm2226520-3_s3asr.htm
    <DESCRIPTION>S-3ASR
    <TEXT>
    Document 1 - file: tm2226520-3_s3asr.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-5.1
    <SEQUENCE>2
    <FILENAME>tm2226520d4_ex5-1.htm
    <DESCRIPTION>EXHIBIT 5.1
    <TEXT>
    Document 2 - file: tm2226520d4_ex5-1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-8.1
    <SEQUENCE>3
    <FILENAME>tm2226520d4_ex8-1.htm
    <DESCRIPTION>EXHIBIT 8.1
    <TEXT>
    Document 3 - file: tm2226520d4_ex8-1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-23.3
    <SEQUENCE>4
    <FILENAME>tm2226520d4_ex23-3.htm
    <DESCRIPTION>EXHIBIT 23.3
    <TEXT>
    Document 4 - file: tm2226520d4_ex23-3.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>5
    <FILENAME>tm2226520d2_ex99-1.htm
    <DESCRIPTION>EX-99.1
    <TEXT>
    Document 5 - file: tm2226520d2_ex99-1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>6
    <FILENAME>tm2226520d2_ex99-2.htm
    <DESCRIPTION>EX-99.2
    <TEXT>
    Document 6 - file: tm2226520d2_ex99-2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.3
    <SEQUENCE>7
    <FILENAME>tm2226520d2_ex99-3.htm
    <DESCRIPTION>EX-99.3
    <TEXT>
    Document 7 - file: tm2226520d2_ex99-3.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-FILING FEES
    <SEQUENCE>8
    <FILENAME>tm2226520d4_ex-filingfees.htm
    <DESCRIPTION>EX-FILING FEES
    <TEXT>
    Document 8 - file: tm2226520d4_ex-filingfees.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>tm2226520d2_ex99-1img001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: tm2226520d2_ex99-1img001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>tm2226520d2_ex99-1img002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: tm2226520d2_ex99-1img002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>tm2226520d2_ex99-1img003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: tm2226520d2_ex99-1img003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>tm2226520d2_ex99-2img001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: tm2226520d2_ex99-2img001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>tm2226520d2_ex99-2img002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: tm2226520d2_ex99-2img002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>tm2226520d2_ex99-2img003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: tm2226520d2_ex99-2img003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>tm2226520d2_ex99-3img001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: tm2226520d2_ex99-3img001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>tm2226520d2_ex99-3img002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: tm2226520d2_ex99-3img002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>tm2226520d2_ex99-3img003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 17 - file: tm2226520d2_ex99-3img003.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>