Intangible Assets and Goodwill - Summary of Key Assumptions Used in Estimation of Receivable Amounts of CGU (Detail)	12 Months Ended
Dec. 31, 2018
OGBC [member]
Disclosure of information for cash-generating units [line items]
Weighted average cost of capital (after-tax)	12.00%
The average growth rate is the annualized average of the expected year-over-year growth rate (in EBITDA) over five years	0.00%
Peace Naturals [member]
Disclosure of information for cash-generating units [line items]
Weighted average cost of capital (after-tax)	12.00%
The average growth rate is the annualized average of the expected year-over-year growth rate (in EBITDA) over five years	14.00%

The growth rate used to extrapolate cash flow projections beyond the period covered by the most recent budgets/forecasts for a cash-generating unit (group of units). [Refer: Cash-generating units [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

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

+ References

No definition available.

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- Definition

Weighted average cost of capital used as a significant Level 3 unobservable input for assets. [Refer: Level 3 of fair value hierarchy [member]]

+ References

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