    <SEC-DOCUMENT>0001206774-21-002648-index.html : 20211026
    <SEC-HEADER>0001206774-21-002648.hdr.sgml : 20211026
    <ACCEPTANCE-DATETIME>20211026091206
    ACCESSION NUMBER:		0001206774-21-002648
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		24
    CONFORMED PERIOD OF REPORT:	20211026
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20211026
    DATE AS OF CHANGE:		20211026

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			SOUTHERN FIRST BANCSHARES INC
    		CENTRAL INDEX KEY:			0001090009
    		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
    		IRS NUMBER:				582459561
    		STATE OF INCORPORATION:			SC
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-27719
    		FILM NUMBER:		211346396

    	BUSINESS ADDRESS:
    		STREET 1:		100 VERDAE BOULEVARD
    		STREET 2:		SUITE 100
    		CITY:			GREENVILLE
    		STATE:			SC
    		ZIP:			29607
    		BUSINESS PHONE:		8646799000

    	MAIL ADDRESS:
    		STREET 1:		100 VERDAE BOULEVARD
    		STREET 2:		SUITE 100
    		CITY:			GREENVILLE
    		STATE:			SC
    		ZIP:			29607

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	GREENVILLE FIRST BANCSHARES INC
    		DATE OF NAME CHANGE:	19990707
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>sfb3974021-8k.htm
    <DESCRIPTION>CURRENT REPORT
    <TEXT>
    Document 1 - file: sfb3974021-8k.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>sfb3974021-ex991.htm
    <DESCRIPTION>EARNINGS PRESS RELEASE FOR PERIOD ENDED SEPTEMBER 30, 2021
    <TEXT>
    Document 2 - file: sfb3974021-ex991.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>sfb3974021-ex992.htm
    <DESCRIPTION>SLIDE PRESENTATION
    <TEXT>
    Document 3 - file: sfb3974021-ex992.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>4
    <FILENAME>sfst-20211026.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA
    <TEXT>
    Document 4 - file: sfst-20211026.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>5
    <FILENAME>sfst-20211026_pre.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE
    <TEXT>
    Document 5 - file: sfst-20211026_pre.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>6
    <FILENAME>sfst-20211026_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE
    <TEXT>
    Document 6 - file: sfst-20211026_lab.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>sfb3974021-8kx1x1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: sfb3974021-8kx1x1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>sfb3974021-ex991x1x1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: sfb3974021-ex991x1x1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>sfb3974021-ex992x01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: sfb3974021-ex992x01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>sfb3974021-ex992x02.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: sfb3974021-ex992x02.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>sfb3974021-ex992x03.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: sfb3974021-ex992x03.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>sfb3974021-ex992x04.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: sfb3974021-ex992x04.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>sfb3974021-ex992x05.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: sfb3974021-ex992x05.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>sfb3974021-ex992x06.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: sfb3974021-ex992x06.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>sfb3974021-ex992x07.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: sfb3974021-ex992x07.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>sfb3974021-ex992x08.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: sfb3974021-ex992x08.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>17
    <FILENAME>sfb3974021-8k_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 17 - file: sfb3974021-8k_htm.html

    Document 17 - RAW XML: sfb3974021-8k_htm.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>18
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 18 - file: R1.htm

    </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>0001206774-21-002648-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 25 - file: 0001206774-21-002648-xbrl.zip

    </DOCUMENT>
    </SEC-DOCUMENT>