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Bank facilities (Details) $ in Thousands | Dec. 31, 2021 CAD ($) $ / $ | Dec. 31, 2021 USD ($) $ / $ | Dec. 31, 2020 CAD ($)
--- | --- | --- | ---
Disclosure of detailed information about borrowings [line items] |  |  |
Unrealized gain (loss) on forward foreign exchange contracts | $ (33,000) |  | $ 632,000
Currency risk |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Foreign exchange contracts | $ 26,500,000 |  | 16,750,000
Average price of hedging instrument (CDN per USD) | 1.26 | 1.26 |
LG Facility |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Facility, maximum borrowing capacity | $ 2,000,000 |  |
Borrowings outstanding | 0 |  | $ 0
FX Facility |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Facility, maximum borrowing capacity | $ 29,000,000 | $ 23,684 |

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