Cover Page - shares	6 Months Ended
	Jun. 30, 2020	Jul. 31, 2020
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2020
Document Transition Report	false
Entity File Number	001-38034
Entity Registrant Name	Alteryx, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	90-0673106
Entity Address, Address Line One	3345 Michelson Drive,
Entity Address, Address Line Two	Suite 400,
Entity Address, City or Town	Irvine,
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	92612
City Area Code	888
Local Phone Number	836-4274
Title of 12(b) Security	Class A Common Stock, $0.0001 par value per share
Trading Symbol	AYX
Security Exchange Name	NYSE
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
Amendment Flag	false
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q2
Entity Central Index Key	0001689923
Current Fiscal Year End Date	--12-31
Class A Common Stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		53,498,926
Class B Common Stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		12,677,445