XML 19 R1.htm IDEA: XBRL DOCUMENT v3.21.1
Document And Entity Information - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Mar. 25, 2021
Jan. 21, 2021
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2020    
Document Fiscal Year Focus 2020    
Document Fiscal Period Focus FY    
Trading Symbol AFBI    
Entity Registrant Name Affinity Bancshares, Inc.    
Entity Central Index Key 0001823406    
Current Fiscal Year End Date --12-31    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company true    
Entity Ex Transition Period false    
Entity Common Stock, Shares Outstanding   6,755,160  
Entity Public Float     $ 71.8
Entity Well-known Seasoned Issuer No    
Entity Current Reporting Status Yes    
Entity Shell Company false    
Entity Voluntary Filers No    
Entity File Number 001-39914    
Entity Tax Identification Number 86-1339773    
Entity Address, Address Line One 3175 Highway 278    
Entity Address, City or Town Covington    
Entity Address, State or Province GA    
Entity Address, Postal Zip Code 30014    
City Area Code 770    
Local Phone Number 786-7088    
Entity Interactive Data Current Yes    
Title of 12(b) Security Common Stock, par value $0.01 per share    
Entity Incorporation, State or Country Code MD    
Document Annual Report true    
Document Transition Report false    
Security Exchange Name NASDAQ    
Documents Incorporated by Reference

1.  Portions of the Proxy Statement for the 2020 Annual Meeting of Stockholders. (Part III)