Document and Entity Information Document
Jun. 03, 2021
Cover [Abstract]  
Document Type 8-K
Document Period End Date Jul. 08, 2021
Entity Registrant Name Phreesia, Inc.
Amendment Flag false
Entity Central Index Key 0001412408
Entity Incorporation, State or Country Code DE
Entity File Number 001-38977
Entity Tax Identification Number 20-2275479
Entity Address, Address Line One 434 Fayetteville Street, Suite 1400
Entity Address, City or Town Raleigh
Entity Address, State or Province NC
Entity Address, Postal Zip Code 27601
City Area Code 888
Local Phone Number 654-7473
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.01 per share
Trading Symbol PHR
Security Exchange Name NYSE
Entity Emerging Growth Company false