v3.25.1
Cover - shares
 3 Months Ended
Mar. 31, 2025
May 08, 2025
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Entity Interactive Data Current Yes  
Amendment Flag false  
Document Period End Date Mar. 31, 2025  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q1  
Entity Information [Line Items]    
Entity Registrant Name SB FINANCIAL GROUP, INC.  
Entity Central Index Key 0000767405  
Entity File Number 1-36785  
Entity Tax Identification Number 34-1395608  
Entity Incorporation, State or Country Code OH  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Shell Company false  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Contact Personnel [Line Items]    
Entity Address, Address Line One 401 Clinton Street  
Entity Address, City or Town Defiance  
Entity Address, State or Province OH  
Entity Address, Postal Zip Code 43512  
Entity Phone Fax Numbers [Line Items]    
City Area Code (419)  
Local Phone Number 783-8950  
Entity Listings [Line Items]    
Title of 12(b) Security Common Shares, No Par Value  
Trading Symbol SBFG  
Security Exchange Name NASDAQ  
Entity Common Stock, Shares Outstanding   6,525,127