    <SEC-DOCUMENT>0000907254-25-000039-index.html : 20250324
    <SEC-HEADER>0000907254-25-000039.hdr.sgml : 20250324
    <ACCEPTANCE-DATETIME>20250324165748
    ACCESSION NUMBER:		0000907254-25-000039
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		13
    FILED AS OF DATE:		20250324
    DATE AS OF CHANGE:		20250324

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			SAUL CENTERS, INC.
    		CENTRAL INDEX KEY:			0000907254
    		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
    		ORGANIZATION NAME:           	05 Real Estate & Construction
    		EIN:				521833074
    		STATE OF INCORPORATION:			MD
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-12254
    		FILM NUMBER:		25764896

    	BUSINESS ADDRESS:
    		STREET 1:		7501 WISCONSIN AVENUE
    		STREET 2:		SUITE 1500
    		CITY:			BETHESDA
    		STATE:			MD
    		ZIP:			20814
    		BUSINESS PHONE:		301-986-7737

    	MAIL ADDRESS:
    		STREET 1:		7501 WISCONSIN AVENUE
    		STREET 2:		SUITE 1500
    		CITY:			BETHESDA
    		STATE:			MD
    		ZIP:			20814

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	SAUL CENTERS INC
    		DATE OF NAME CHANGE:	19930617
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>bfs-20250324.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: bfs-20250324.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>2
    <FILENAME>bfs-20250324.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
    <TEXT>
    Document 2 - file: bfs-20250324.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>bfs-20250324_g1.jpg
    <TEXT>
    Document 3 - file: bfs-20250324_g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>bfs-20250324_g2.jpg
    <TEXT>
    Document 4 - file: bfs-20250324_g2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>6
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 6 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>7
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 7 - file: Financial_Report.xlsx

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>8
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 8 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>9
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 9 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>11
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 11 - file: FilingSummary.html

    Document 11 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>13
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 13 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>14
    <FILENAME>0000907254-25-000039-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 14 - file: 0000907254-25-000039-xbrl.zip

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>15
    <FILENAME>bfs-20250324_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 15 - file: bfs-20250324_htm.html

    Document 15 - RAW XML: bfs-20250324_htm.xml

    </DOCUMENT>
    </SEC-DOCUMENT>