Document and Entity Information - shares
 9 Months Ended
Oct. 31, 2020
Nov. 16, 2020
Document and Entity Information    
Document Type 10-Q  
Document Period End Date Oct. 31, 2020  
Entity File Number 000-51315  
Entity Registrant Name CITI TRENDS, INC.  
Document Quarterly Report true  
Document Transition Report false  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 52-2150697  
Entity Address, Address Line One 104 Coleman Boulevard  
Entity Address, City or Town Savannah  
Entity Address, State or Province GA  
Entity Address, Postal Zip Code 31408  
City Area Code 912  
Local Phone Number 236-1561  
Title of 12(b) Security Common Stock, $0.01 par value  
Trading Symbol CTRN  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   10,138,962
Current Fiscal Year End Date --01-30  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q3  
Entity Central Index Key 0001318484  
Amendment Flag false