Quarterly report pursuant to Section 13 or 15(d)

Cover

v3.21.2
Cover - shares
 9 Months Ended
Sep. 30, 2021
Nov. 03, 2021
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2021  
Document Transition Report false  
Entity File Number 001-40828  
Entity Registrant Name a.k.a. Brands Holding Corp.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 87-0970919  
Entity Address, Address Line One 100 Montgomery Street  
Entity Address, Address Line Two Suite 1600  
Entity Address, City or Town San Francisco  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 94104  
City Area Code 415  
Local Phone Number 295-6085  
Title of 12(b) Security Common Stock, par value $0.001 per share  
Trading Symbol AKA  
Security Exchange Name NYSE  
Entity Current Reporting Status No  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period true  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   128,647,836
Entity Central Index Key 0001865107  
Document Fiscal Year Focus 2021  
Document Fiscal Period Focus Q3  
Amendment Flag false  
Current Fiscal Year End Date --12-31