Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Fair Value Measurement - Summary of Quantitative Information about Level 3 Fair Value Measurements (Detail)	Sep. 30, 2020 USD ($) yr	Dec. 31, 2019 USD ($)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair value of, Debt securities classified as available-for-sale \| $	$ 5,765,000	$ 5,047,000
Quantitative information about Level 3 Fair Value Measurements [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair value of, Debt securities classified as available-for-sale \| $	$ 4,921,000
Debt Securities, Available-for-sale, Valuation Technique [Extensible List]	us-gaap:ValuationTechniqueDiscountedCashFlowMember
Warrant liability \| $	$ (71,636)
Warrants and Rights Outstanding, Valuation Technique [Extensible List]	tlry:ValuationTechniqueMonteCarloMember
Quantitative information about Level 3 Fair Value Measurements [Member] \| Discount Rate [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Debt securities classified as available-for-sale, Range	16.5
Quantitative information about Level 3 Fair Value Measurements [Member] \| Probability of Conversion/ Prepayment [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Debt securities classified as available-for-sale, Range
Quantitative information about Level 3 Fair Value Measurements [Member] \| Probability of Default [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Debt securities classified as available-for-sale, Range
Quantitative information about Level 3 Fair Value Measurements [Member] \| Volatility [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Warrant and rights measurement input	100
Quantitative information about Level 3 Fair Value Measurements [Member] \| Minimum [Member] \| Expected Term [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Warrant and rights measurement input \| yr	0.2
Quantitative information about Level 3 Fair Value Measurements [Member] \| Maximum [Member] \| Expected Term [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Warrant and rights measurement input \| yr	5
Quantitative information about Level 3 Fair Value Measurements [Member] \| Weighted Average [Member] \| Expected Term [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Warrant and rights measurement input \| yr	2.4