XML 12 R1.htm IDEA: XBRL DOCUMENT v3.20.1
Document And Entity Information - shares
 3 Months Ended
Mar. 31, 2020
May 01, 2020
Document And Entity Information [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2020  
Document Transition Report false  
Entity File Number 0-25045  
Entity Registrant Name CENTRAL FEDERAL CORP  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 34-1877137  
Entity Address, Address Line One 7000 North High St.  
Entity Address, City or Town Worthington  
Entity Address, State or Province OH  
Entity Address, Postal Zip Code 43085  
City Area Code 614  
Local Phone Number 334-7979  
Title of 12(b) Security Common Stock, $.01 par value  
Trading Symbol cfbk  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   5,316,573
Entity Central Index Key 0001070680  
Amendment Flag false  
Document Fiscal Period Focus Q1  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2020