v3.25.2
Document and Entity Information Document
Jul. 30, 2025
Cover [Abstract]  
Document Type 8-K
Document Period End Date Jul. 30, 2025
Entity Registrant Name Red River Bancshares, Inc.
Entity Central Index Key 0001071236
Amendment Flag false
Entity Incorporation, State or Country Code LA
Entity File Number 001-38888
Entity Tax Identification Number 72-1412058
Entity Address, Address Line Two Suite 301
Entity Address, Address Line One 1412 Centre Court Drive
Entity Address, City or Town Alexandria
Entity Address, State or Province LA
Entity Address, Postal Zip Code 71301
City Area Code 318
Local Phone Number 561-4000
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, no par value
Trading Symbol RRBI
Security Exchange Name NASDAQ
Entity Emerging Growth Company false