Summary of Significant Accounting Policies - Schedule of Consolidated Entity (Detail)	12 Months Ended
	Dec. 31, 2020
Natura Naturals Inc. [Member]
Accounting Policies [Line Items]
Date of entity incorporation	May 31, 1985
Place of entity incorporation	Canada
Tilray, Inc. [Member]
Accounting Policies [Line Items]
Date of entity incorporation	Jul. 08, 2005
Place of entity incorporation	United States
Manitoba Harvest USA LLC [Member]
Accounting Policies [Line Items]
Date of entity incorporation	Feb. 08, 2010
Place of entity incorporation	United States
Tilray Canada, Ltd. [Member]
Accounting Policies [Line Items]
Date of entity incorporation	Sep. 06, 2013
Place of entity incorporation	Canada
Dorada Ventures, Ltd. [Member]
Accounting Policies [Line Items]
Date of entity incorporation	Oct. 18, 2013
Place of entity incorporation	Canada
FHF Holdings Ltd. [Member]
Accounting Policies [Line Items]
Date of entity incorporation	Jul. 15, 2015
Place of entity incorporation	Canada
High Park Farms Ltd [Member]
Accounting Policies [Line Items]
Date of entity incorporation	Feb. 19, 2016
Place of entity incorporation	Canada
Tilray Deutschland GmbH [Member]
Accounting Policies [Line Items]
Date of entity incorporation	Nov. 03, 2016
Place of entity incorporation	Germany
Pardal Holdings, Lda. [Member]
Accounting Policies [Line Items]
Date of entity incorporation	Apr. 05, 2017
Place of entity incorporation	Portugal
Tilray Portugal Unipessoal Lda [Member]
Accounting Policies [Line Items]
Date of entity incorporation	Apr. 20, 2017
Place of entity incorporation	Portugal
Tilray Australia New Zealand Pty. Ltd. [Member]
Accounting Policies [Line Items]
Date of entity incorporation	May 09, 2017
Place of entity incorporation	Australia
Tilray Ventures Ltd. [Member]
Accounting Policies [Line Items]
Date of entity incorporation	Jun. 06, 2017
Place of entity incorporation	Ireland
Manitoba Harvest Japan K.K. [Member]
Accounting Policies [Line Items]
Date of entity incorporation	Aug. 29, 2017
Place of entity incorporation	Japan
High Park Holdings, Ltd. [Member]
Accounting Policies [Line Items]
Date of entity incorporation	Feb. 08, 2018
Place of entity incorporation	Canada
Fresh Hemp Foods Ltd. [Member]
Accounting Policies [Line Items]
Date of entity incorporation	May 07, 2018
Place of entity incorporation	Canada
Natura Naturals Holdings Inc [Member]
Accounting Policies [Line Items]
Date of entity incorporation	May 17, 2018
Place of entity incorporation	Canada
National Cannabinoid Clinics Pty Ltd. [Member]
Accounting Policies [Line Items]
Date of entity incorporation	Sep. 19, 2018
Place of entity incorporation	Australia
Tilray Latin America SpA [Member]
Accounting Policies [Line Items]
Date of entity incorporation	Nov. 19, 2018
Place of entity incorporation	Chile
Tilray Portugal II, Lda. [Member]
Accounting Policies [Line Items]
Date of entity incorporation	Dec. 11, 2018
Place of entity incorporation	Portugal
High Park Gardens Inc. [Member]
Accounting Policies [Line Items]
Date of entity incorporation	Feb. 07, 2019
Place of entity incorporation	Canada
1197879 B.C. Ltd [Member]
Accounting Policies [Line Items]
Date of entity incorporation	Feb. 15, 2019
Place of entity incorporation	Canada
High Park Shops Inc. [Member]
Accounting Policies [Line Items]
Date of entity incorporation	Aug. 15, 2019
Place of entity incorporation	Canada
Privateer Evolution, LLC. [Member]
Accounting Policies [Line Items]
Date of entity incorporation	Dec. 12, 2019
Place of entity incorporation	United States
Tilray France SAS [Member]
Accounting Policies [Line Items]
Date of entity incorporation	Jul. 02, 2020
Place of entity incorporation	France
High Park Holdings B.V. [Member]
Accounting Policies [Line Items]
Date of entity incorporation	Jul. 15, 2020
Place of entity incorporation	Netherlands
High Park Botanicals B.V. [Member]
Accounting Policies [Line Items]
Date of entity incorporation	Jul. 17, 2020
Place of entity incorporation	Netherlands