v2.4.0.8
Document and Entity Information (USD $)
12 Months Ended
Jan. 31, 2015
Mar. 10, 2015
Jul. 31, 2014
Document and Entity Information [Abstract]      
Entity Registrant Name HEALTHEQUITY INC    
Entity Central Index Key 0001428336    
Current Fiscal Year End Date --01-31    
Entity Filer Category Non-accelerated Filer    
Document Type 10-K    
Document Period End Date Jan. 31, 2015    
Document Fiscal Year Focus 2015    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Common Stock, Shares Outstanding   55,065,470  
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float     $ 543,500,000