Document and Entity Information - USD ($)
 12 Months Ended
Jan. 30, 2016
Mar. 22, 2016
Jul. 31, 2015
Document and Entity Information      
Entity Registrant Name Citi Trends Inc    
Entity Central Index Key 0001318484    
Document Type 10-K    
Document Period End Date Jan. 30, 2016    
Amendment Flag false    
Current Fiscal Year End Date --01-30    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Accelerated Filer    
Entity Public Float     $ 354,867,058
Entity Common Stock, Shares Outstanding   14,907,706  
Document Fiscal Year Focus 2015    
Document Fiscal Period Focus FY