Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2025	Jul. 24, 2025
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2025
Document Fiscal Year Focus	2025
Document Fiscal Period Focus	Q2
Document Quarterly Report	true
Document Transition Report	false
Entity Interactive Data Current	Yes
Entity Registrant Name	Mind Medicine (MindMed) Inc.
Entity Central Index Key	0001813814
Trading Symbol	MNMD
Current Fiscal Year End Date	--12-31
Title of 12(b) Security	Common Shares, no par value per share
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	false
Entity File Number	001-40360
Entity Incorporation, State or Country Code	A1
Entity Tax Identification Number	98-1582438
Entity Address, Address Line One	One World Trade Center
Entity Address, Address Line Two	Suite 8500
Entity Address, City or Town	New York
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10007
City Area Code	212
Local Phone Number	220-6633
Entity Common Stock, Shares Outstanding		76,087,943