XML 12 R1.htm IDEA: XBRL DOCUMENT v3.21.2
Cover - shares
 9 Months Ended
Sep. 30, 2021
Dec. 08, 2021
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2021  
Document Transition Report false  
Entity File Number 001-41068  
Entity Registrant Name BAYFIRST FINANCIAL CORP.  
Entity Incorporation, State or Country Code FL  
Entity Tax Identification Number 59-3665079  
Entity Address, Address Line One 700 Central Avenue  
Entity Address, City or Town St. Petersburg  
Entity Address, State or Province FL  
Entity Address, Postal Zip Code 33701  
City Area Code 727  
Local Phone Number 440-6848  
Title of 12(b) Security Common stock  
Trading Symbol BAFN  
Security Exchange Name NASDAQ  
Entity Current Reporting Status No  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   3,974,067
Entity Central Index Key 0001649739  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2021  
Document Fiscal Period Focus Q3  
Amendment Flag false