XML 18 R1.htm IDEA: XBRL DOCUMENT v3.20.4
Cover Page - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Mar. 15, 2021
Jun. 30, 2020
Document Information [Line Items]      
Entity Registrant Name Advantage Solutions Inc.    
Entity Central Index Key 0001776661    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Document Type 10-K    
Document Period End Date Dec. 31, 2020    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2020    
Document Annual Report true    
Document Transition Report false    
Entity Current Reporting Status Yes    
Entity Filer Category Accelerated Filer    
Entity Small Business false    
Entity Shell Company false    
Entity Emerging Growth Company false    
Entity File Number 001-38990    
Entity Interactive Data Current Yes    
Entity Incorporation State Country Code DE    
Entity Public Float     $ 520.9
Entity Well Known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Common Stock, Shares Outstanding   318,449,966  
Entity Tax Identification Number 83-4629508    
Title of 12(b) Security Class A common stock, $0.0001 par value per share    
Trading Symbol ADV    
Security Exchange Name NASDAQ    
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    
ICFR Auditor Attestation Flag false    
Warrant [Member]      
Document Information [Line Items]      
Title of 12(b) Security Warrants exercisable for one share of Class A common stock at an exercise price of $11.50    
Trading Symbol ADVWW    
Security Exchange Name NASDAQ