v3.26.1
Document and Entity Information - shares
 3 Months Ended
Mar. 31, 2026
May 12, 2026
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2026  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1  
Trading Symbol VRM  
Entity Registrant Name VROOM, INC.  
Entity Central Index Key 0001580864  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Current Fiscal Year End Date --12-31  
Entity Filer Category Non-accelerated Filer  
Entity Shell Company false  
Entity Small Business true  
Entity Emerging Growth Company false  
Title of 12(b) Security Common Stock, $0.001 par value  
Security Exchange Name NASDAQ  
Entity File Number 001-39315  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 90-1112566  
Entity Address, Address Line One 4700 Mercantile Dr  
Entity Address, City or Town Fort Worth  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 76137  
City Area Code 518  
Local Phone Number 535-9125  
Document Quarterly Report true  
Document Transition Report false  
Entity Bankruptcy Proceedings, Reporting Current true  
Entity Common Stock, Shares Outstanding   5,207,627