Other Investments - Summary of Gains Recognized Upon Increase in Fair Value on Other Investments (Detail) - CAD ($)
$ in Thousands |
12 Months Ended |
Dec. 31, 2017 |
Dec. 31, 2016 |
| Gains Recognized Upon The Increase In Fair Value On Other Investments [line items] |
|
|
| Gain (loss) recognized through profit-and-loss |
$ 4,858
|
$ (310)
|
| Gain recognized through other comprehensive income |
608
|
2,014
|
| The Hydropothecary Corporation [member] |
|
|
| Gains Recognized Upon The Increase In Fair Value On Other Investments [line items] |
|
|
| Gain (loss) recognized through profit-and-loss |
657
|
25
|
| Gain recognized through other comprehensive income |
|
137
|
| Canopy Growth Corporation [member] |
|
|
| Gains Recognized Upon The Increase In Fair Value On Other Investments [line items] |
|
|
| Gain (loss) recognized through profit-and-loss |
36
|
258
|
| Gain recognized through other comprehensive income |
608
|
79
|
| AbCann Global Corp. [member] |
|
|
| Gains Recognized Upon The Increase In Fair Value On Other Investments [line items] |
|
|
| Gain (loss) recognized through profit-and-loss |
4,160
|
75
|
| Gain recognized through other comprehensive income |
|
1,498
|
| AbCann Global Corp. [member] | Warrant [member] |
|
|
| Gains Recognized Upon The Increase In Fair Value On Other Investments [line items] |
|
|
| Gain (loss) recognized through profit-and-loss |
$ 5
|
1,005
|
| Peace Naturals Project Inc. [member] |
|
|
| Gains Recognized Upon The Increase In Fair Value On Other Investments [line items] |
|
|
| Gain (loss) recognized through profit-and-loss |
|
(1,326)
|
| Peace Naturals Project Inc. [member] | Acquisitions [Member] |
|
|
| Gains Recognized Upon The Increase In Fair Value On Other Investments [line items] |
|
|
| Gain (loss) recognized through profit-and-loss |
|
(347)
|
| VertMedical Inc. [member] |
|
|
| Gains Recognized Upon The Increase In Fair Value On Other Investments [line items] |
|
|
| Gain recognized through other comprehensive income |
|
$ 300
|