Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2021	Nov. 03, 2021
Cover [Abstract]
Entity Registrant Name	Minerva Neurosciences, Inc.
Entity Central Index Key	0001598646
Amendment Flag	false
Entity Current Reporting Status	Yes
Document Type	10-Q
Document Fiscal Period Focus	Q3
Document Period End Date	Sep. 30, 2021
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Interactive Data Current	Yes
Document Fiscal Year Focus	2021
Title of 12(b) Security	Common Stock, $0.0001 par value per share
Trading Symbol	NERV
Entity Tax Identification Number	26-0784194
Entity File Number	001-36517
Entity Address, Address Line One	1601 Trapelo Road
Entity Address, Address Line Two	Suite 286
Entity Address, City or Town	Waltham
Entity Address, State or Province	MA
Entity Incorporation, State or Country Code	DE
Entity Address, Postal Zip Code	02451
City Area Code	617
Local Phone Number	600-7373
Document Transition Report	false
Document Quarterly Report	true
Security Exchange Name	NASDAQ
Entity Common Stock, Shares Outstanding		42,721,566