Document And Entity Information	May 28, 2020
Cover [Abstract]
Document Type	8-K
Amendment Flag	false
Entity Registrant Name	Tilray, Inc.
Entity Central Index Key	0001731348
Document Period End Date	May 28, 2020
Entity Emerging Growth Company	false
Entity File Number	001-38594
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	82-4310622
Entity Address, Address Line One	1100 Maughan Rd
Entity Address, City or Town	Nanaimo
Entity Address, State or Province	BC
Entity Address, Country	CA
Entity Address, Postal Zip Code	V9X 1J2
City Area Code	844
Local Phone Number	845-7291
Written Communications	false
Soliciting Material	false
Pre-commencement Tender Offer	false
Pre-commencement Issuer Tender Offer	false
Title of 12(b) Security	Class 2 Common Stock, $0.0001 par value per share
Trading Symbol	TLRY
Security Exchange Name	NASDAQ