v3.25.1
Cover Page - shares
 3 Months Ended
Mar. 31, 2025
May 01, 2025
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2025  
Document Transition Report false  
Entity File Number 001-38678  
Entity Registrant Name UPWORK INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 46-4337682  
Entity Address, Address Line One 530 Lytton Avenue  
Entity Address, Address Line Two Suite 301  
Entity Address, City or Town Palo Alto,  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 94301  
City Area Code 650  
Local Phone Number 316-7500  
Title of 12(b) Security Common Stock, $0.0001 par value per share  
Trading Symbol UPWK  
Security Exchange Name NASDAQ  
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  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding (in shares)   131,589,909
Amendment Flag false  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q1  
Entity Central Index Key 0001627475  
Current Fiscal Year End Date --12-31