v3.26.1
Cover Page - shares
 3 Months Ended
Mar. 31, 2026
Apr. 20, 2026
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2026  
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2026  
Current Fiscal Year End Date --12-31  
Entity Registrant Name Dave Inc./DE  
Entity Central Index Key 0001841408  
Entity Tax Identification Number 86-1481509  
Entity Filer Category Large Accelerated Filer  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity File Number 001-40161  
Entity Incorporation, State or Country Code DE  
Entity Address, Address Line One 1265 South Cochran Ave  
Entity Address, City or Town Los Angeles  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 90019  
City Area Code 844  
Local Phone Number 857-3283  
Document Transition Report false  
Entity Shell Company false  
Entity Small Business false  
Entity Emerging Growth Company false  
Warrant [Member]    
Document Information [Line Items]    
Title of 12(b) Security Redeemable warrants, each lot of 32 warrants exercisable for one share of Class A common stock at an exercise price of $368  
Trading Symbol DAVEW  
Security Exchange Name NASDAQ  
Class A common stock [Member]    
Document Information [Line Items]    
Title of 12(b) Security Class A common stock, par value $0.0001  
Trading Symbol DAVE  
Security Exchange Name NASDAQ  
Entity Common Stock, Shares Outstanding   11,400,165
Class V common stock [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   1,314,082