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Cover
May 26, 2021
Affiliate, Collateralized Security [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date May 26, 2021
Entity File Number 001-38990
Entity Registrant Name Advantage Solutions Inc.
Entity Central Index Key 0001776661
Entity Tax Identification Number 83-4629508
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 18100 Von Karman Avenue
Entity Address, Address Line Two Suite 1000
Entity Address, City or Town Irvine
Entity Address, State or Province CA
Entity Address, Postal Zip Code 92612
City Area Code (949)
Local Phone Number 797-2900
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Class A common stock, $0.0001 par value per share  
Affiliate, Collateralized Security [Line Items]  
Title of 12(b) Security Class A common stock, $0.0001 par value per share
Trading Symbol ADV
Security Exchange Name NASDAQ
Warrants to purchase Class A common stock  
Affiliate, Collateralized Security [Line Items]  
Title of 12(b) Security Warrants to purchase Class A common stock
Trading Symbol ADVWW
Security Exchange Name NASDAQ