    <SEC-DOCUMENT>0001071236-24-000043-index.html : 20240425
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    <ACCEPTANCE-DATETIME>20240425163156
    ACCESSION NUMBER:		0001071236-24-000043
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		15
    CONFORMED PERIOD OF REPORT:	20240425
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20240425
    DATE AS OF CHANGE:		20240425

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			RED RIVER BANCSHARES INC
    		CENTRAL INDEX KEY:			0001071236
    		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
    		ORGANIZATION NAME:           	02 Finance
    		IRS NUMBER:				721412058
    		STATE OF INCORPORATION:			LA
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-38888
    		FILM NUMBER:		24876903

    	BUSINESS ADDRESS:
    		STREET 1:		1412 CENTRE COURT DRIVE
    		STREET 2:		SUITE 301
    		CITY:			ALEXANDRIA
    		STATE:			LA
    		ZIP:			71301
    		BUSINESS PHONE:		(318) 561-4000

    	MAIL ADDRESS:
    		STREET 1:		1412 CENTRE COURT DRIVE
    		STREET 2:		SUITE 301
    		CITY:			ALEXANDRIA
    		STATE:			LA
    		ZIP:			71301
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    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>rrbi-20240425.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: rrbi-20240425.htm

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    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>rrbiq12024exhibit991.htm
    <DESCRIPTION>EX-99.1
    <TEXT>
    Document 2 - file: rrbiq12024exhibit991.htm

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    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>3
    <FILENAME>rrbi-20240425.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
    <TEXT>
    Document 3 - file: rrbi-20240425.xsd

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    <DOCUMENT>
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    <SEQUENCE>4
    <FILENAME>rrbi-20240425_lab.xml
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    <TEXT>
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    <TEXT>
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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>bancshareslogo.jpg
    <TEXT>
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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>8
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
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    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>9
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 9 - file: Financial_Report.xlsx

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    <TYPE>XML
    <SEQUENCE>10
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    <TEXT>
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    <TYPE>XML
    <SEQUENCE>11
    <FILENAME>report.css
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    <TEXT>
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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>13
    <FILENAME>FilingSummary.xml
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    <TEXT>
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    Document 13 - RAW XML: FilingSummary.xml

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    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>15
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
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    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>16
    <FILENAME>0001071236-24-000043-xbrl.zip
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    <TEXT>
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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>18
    <FILENAME>rrbi-20240425_htm.xml
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    <TEXT>
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