XML 18 R1.htm IDEA: XBRL DOCUMENT v3.25.0.1
Cover - USD ($)
$ in Billions
 12 Months Ended
Dec. 31, 2024
Feb. 14, 2025
Jun. 28, 2024
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Fiscal Year Focus 2024    
Document Period End Date Dec. 31, 2024    
Document Transition Report false    
Entity File Number 001-40256    
Entity Registrant Name ACV Auctions Inc.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 47-2415221    
Entity Address, Address Line One 640 Ellicott Street, #321    
Entity Address, City or Town Buffalo    
Entity Address, State or Province NY    
Entity Address, Postal Zip Code 14203    
City Area Code 800    
Local Phone Number 553-4070    
Title of 12(b) Security Class A common stock, par value $0.001 per share    
Trading Symbol ACVA    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 2.8
Entity Common Stock, Shares Outstanding   168,765,167  
Documents Incorporated by Reference
Portions of the registrant's Proxy Statement for its 2024 Annual Meeting of Stockholders are incorporated by reference into Part III of this Annual Report on Form 10-K to the extent stated herein. Such Proxy Statement will be filed with the Securities and Exchange Commission within 120 days of the registrant's fiscal year ended December 31, 2024.
    
Amendment Flag false    
Document Fiscal Period Focus FY    
Entity Central Index Key 0001637873    
Current Fiscal Year End Date --12-31