Cover Page - shares	3 Months Ended
	Mar. 31, 2020	Apr. 30, 2020
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2020
Document Transition Report	false
Entity File Number	001-36350
Entity Registrant Name	Q2 Holdings, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	20-2706637
Entity Address, Address Line One	13785 Research Blvd.,
Entity Address, Address Line Two	Suite 150
Entity Address, City or Town	Austin,
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	78750
City Area Code	512
Local Phone Number	275-0072
Title of 12(b) Security	Common Stock, $0.0001 par value
Trading Symbol	QTWO
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Smaller Reporting Company	false
Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock Shares Outstanding		48,973,069
Entity Central Index Key	0001410384
Current Fiscal Year End Date	--12-31
Amendment Flag	false
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q1