v3.22.2.2
Document and Entity Information - shares
 9 Months Ended
Oct. 29, 2022
Dec. 02, 2022
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Oct. 29, 2022  
Document Transition Report false  
Entity File Number 001-35535  
Entity Registrant Name TILLY’S, INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 45-2164791  
Entity Address, Address Line One 10 Whatney  
Entity Address, City or Town Irvine  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 92618  
City Area Code 949  
Local Phone Number 609-5599  
Title of 12(b) Security Class A Common Stock, $0.001 par value per share  
Trading Symbol TLYS  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Amendment Flag false  
Document Fiscal Year Focus 2022  
Document Fiscal Period Focus Q3  
Entity Central Index Key 0001524025  
Current Fiscal Year End Date --01-28  
Class A common stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   22,537,461
Common Stock (Class B)    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   7,306,108