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Joint Operations - Additional Information (Details) $ in Thousands, ft² in Millions |  | 12 Months Ended |
--- | --- | --- | ---
Oct. 10, 2017 CAD ($) ft² a | Mar. 31, 2018 CAD ($) shares | Mar. 31, 2017 CAD ($)
Disclosure Of Joint Operations [Line Items] |  |  |
Name of joint operation | BC Tweed Joint Venture Inc. |  |
Share capital |  | $ 1,076,838 | $ 621,541
BC Tweed |  |  |
Disclosure Of Joint Operations [Line Items] |  |  |
Ownership interest in joint operation | 66.67% |  |
Ownership percentage held by partner | 33.33% |  |
Fair value of put option estimated using discounted cash flow approach |  | 36,400 |
Put liability |  | 56,300 |
Changes in fair value of put liability |  | 19,900 |
Cash commitments to joint venture |  | 20,000 |
Cash advanced to joint venture | $ 1,000 | $ 79,879 |
Preferred dividend rate |  | 24.00% |
Adjustment to Prime Rate for Borrowings |  | 3.00% |
Percentage of cannabis produced for a fixed price per gram |  | 100.00% |
Grant date fair value of share-based compensation |  | $ 6,731 |
Contribution to loss |  | 19,907 |
Acquisition-related transaction costs |  | 641 |
BC Tweed | BC Lease 1 |  |  |
Disclosure Of Joint Operations [Line Items] |  |  |
Purchase Price for Acquiring Limited Partnership Units |  | $ 28,000 |
BC Tweed | BC Lease 1 | License Date |  |  |
Disclosure Of Joint Operations [Line Items] |  |  |
Percentage of increase in purchase price |  | 3.00% |
BC Tweed | BC Lease 1 | Fifth Anniversary |  |  |
Disclosure Of Joint Operations [Line Items] |  |  |
Percentage of increase in purchase price |  | 8.00% |
BC Tweed | BC Lease 2 |  |  |
Disclosure Of Joint Operations [Line Items] |  |  |
Purchase Price for Acquiring Limited Partnership Units |  | $ 45,000 |
BC Tweed | BC Lease 2 | License Date |  |  |
Disclosure Of Joint Operations [Line Items] |  |  |
Percentage of increase in purchase price |  | 3.00% |
BC Tweed | BC Lease 2 | Fifth Anniversary |  |  |
Disclosure Of Joint Operations [Line Items] |  |  |
Percentage of increase in purchase price |  | 8.00% |
BC Tweed | Two Tranches |  |  |
Disclosure Of Joint Operations [Line Items] |  |  |
Number of shares to be issued | shares |  | 310,316 |
BC Tweed | Additional Two Tranches |  |  |
Disclosure Of Joint Operations [Line Items] |  |  |
Share capital |  | $ 2,750 |
BC Tweed | BC Tweed |  |  |
Disclosure Of Joint Operations [Line Items] |  |  |
Share-based compensation expense |  | $ 5,001 |
BC Tweed | Partner | British Columbia |  |  |
Disclosure Of Joint Operations [Line Items] |  |  |
Area of land | a | 55 |  |
BC Tweed | Partner | British Columbia | BC Lease 1 |  |  |
Disclosure Of Joint Operations [Line Items] |  |  |
Area of greenhouse | ft² | 1.3 |  |
BC Tweed | Partner | British Columbia | BC Lease 2 |  |  |
Disclosure Of Joint Operations [Line Items] |  |  |
Area of greenhouse | ft² | 1.7 |  |

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