Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2020	Apr. 30, 2020
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2020
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q1
Trading Symbol	SAIL
Entity Registrant Name	SailPoint Technologies Holdings, Inc.
Entity Central Index Key	0001627857
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Current Reporting Status	Yes
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding (in shares)		90,185,976
Entity File Number	001-38297
Entity Tax Identification Number	47-1628077
Entity Address, Address Line One	11120 Four Points Drive
Entity Address, Address Line Two	Suite 100
Entity Address, City or Town	Austin
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	78726
City Area Code	512
Local Phone Number	346-2000
Entity Incorporation, State or Country Code	DE
Title of 12(b) Security	Common stock, par value $0.0001 per share
Security Exchange Name	NYSE
Document Quarterly Report	true
Document Transition Report	false
Entity Interactive Data Current	Yes