v3.26.1
Cover Page - shares
 3 Months Ended
Apr. 30, 2026
May 20, 2026
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Apr. 30, 2026  
Document Transition Report false  
Entity File Number 001-36568  
Entity Registrant Name HEALTHEQUITY, INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 52-2383166  
Entity Address, Address Line One 15 West Scenic Pointe Drive  
Entity Address, Address Line Two Suite 100  
Entity Address, City or Town Draper,  
Entity Address, State or Province UT  
Entity Address, Postal Zip Code 84020  
City Area Code 801  
Local Phone Number 727-1000  
Title of 12(b) Security Common stock, par value $0.0001 per share  
Trading Symbol HQY  
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   83,602,157
Entity Central Index Key 0001428336  
Current Fiscal Year End Date --01-31  
Document Fiscal Year Focus 2027  
Document Fiscal Period Focus Q1  
Amendment Flag false