Allowance for Credit Losses - Additional Information (Detail)	Sep. 30, 2020 InvestmentHolding
Allowance For Credit Loss [Abstract]
Number of available for sale debt securities	2
Number of available for sale securities in unrealized loss position	1

Number of available for sale securities in unrealized loss positions.

No definition available.

Name:	tlry_NumberOfAvailableForSaleSecuritiesInUnrealizedLossPositions
Namespace Prefix:	tlry_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant