Annual report pursuant to Section 13 and 15(d)

Cover Page

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Cover Page - shares
12 Months Ended
Dec. 31, 2021
Feb. 25, 2022
Cover [Abstract]    
Document Type 10-K  
Document Annual Report true  
Document Period End Date Dec. 31, 2021  
Current Fiscal Year End Date --12-31  
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 Well-known Seasoned Issuer No  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company true  
Entity Ex Transition Period true  
ICFR Auditor Attestation Flag false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   128,647,836
Documents Incorporated by Reference Portions of the registrant's definitive proxy statement for its 2022 Annual Meeting of Stockholders (“Proxy Statement”), to be filed within 120 days of the registrant's fiscal year ended December 31, 2021, are incorporated by reference into Part III of this Annual Report on Form 10-K where indicated. Except with respect to information specifically incorporated by reference in this Form 10-K, the Proxy Statement is not deemed to be filed as part of this Form 10-K.  
Entity Central Index Key 0001865107  
Document Fiscal Year Focus 2021  
Document Fiscal Period Focus FY  
Amendment Flag false