Estimated compensation fee.

No definition available.

Name:	tlry_EstimatedCompensationFee
Namespace Prefix:	tlry_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Long term purchase commitment maximum quantity.

+ References

No definition available.

+ Details

Name:	tlry_LongTermPurchaseCommitmentMaximumQuantity
Namespace Prefix:	tlry_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Long term purchase commitment maximum quantity as percentage.

+ References

No definition available.

+ Details

Name:	tlry_LongTermPurchaseCommitmentMaximumQuantityAsPercentage
Namespace Prefix:	tlry_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Long term purchase commitment purchase price based on cost of goods sold as percentage.

+ References

No definition available.

+ Details

Name:	tlry_LongTermPurchaseCommitmentPurchasePriceBasedOnCostOfGoodsSoldAsPercentage
Namespace Prefix:	tlry_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The minimum amount the entity agreed to spend under the long-term purchase commitment.

+ References

No definition available.

+ Details

Name:	us-gaap_LongTermPurchaseCommitmentAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_LongTermPurchaseCommitmentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Period covered by the long-term purchase commitment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_LongtermPurchaseCommitmentPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	dei_LegalEntityAxis=tlry_RoseLifescienceIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=tlry_CannabisMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis=tlry_DistributionAndMarketingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Commitments and Contingencies - Additional Information (Detail)	9 Months Ended	12 Months Ended
	Sep. 30, 2020 USD ($)	Dec. 31, 2018 USD ($) kg
Long Term Purchase Commitment [Line Items]
Estimated compensation fee	$ 10,350,000
Rose Lifescience, Inc [Member]
Long Term Purchase Commitment [Line Items]
Maximum quantity of purchase commitment \| kg		2,000
Purchase commitment price based on cost of goods sold percentage		115.00%
Rose Lifescience, Inc [Member] \| Cannabis [Member]
Long Term Purchase Commitment [Line Items]
Purchase commitment percentage		40.00%
Rose Lifescience, Inc [Member] \| Distribution and Marketing [Member]
Long Term Purchase Commitment [Line Items]
Commitment Term		5 years
Rose Lifescience, Inc [Member] \| Distribution and Marketing [Member] \| Minimum [Member]
Long Term Purchase Commitment [Line Items]
Minimum commitment Fee		$ 384,000