Document and Entity Information - shares	6 Months Ended
	Sep. 30, 2022	Oct. 21, 2022
Cover [Abstract]
Entity Registrant Name	NEXTGEN HEALTHCARE, INC.
Trading Symbol	NXGN
Entity Central Index Key	0000708818
Document Type	10-Q
Document Period End Date	Sep. 30, 2022
Amendment Flag	false
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--03-31
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Current Reporting Status	Yes
Entity File Number	001-12537
Entity Tax Identification Number	95-2888568
Entity Interactive Data Current	Yes
Title of 12(b) Security	Common Stock, $0.01 Par Value
Security Exchange Name	NASDAQ
Entity Incorporation, State or Country Code	DE
Document Quarterly Report	true
Document Transition Report	false
Entity Common Stock, Shares Outstanding		67,604,797