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Investments in affiliates and joint ventures - Summary of Movement in Investments In Affiliates and Joint Ventures (Details) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Equity Method Investment, Financial Statement, Reported Amounts [Roll Forward] |  |
Share of net income | $ 49,208 | $ 37,133
Equity method investments |  |
Equity Method Investment, Financial Statement, Reported Amounts [Roll Forward] |  |
Balance, beginning of the year | 42,908 | 11,788
Additions | 2,790 | 0
Share of net income | 5,942 | 2,780
Dividends, repayments of loans and other adjustments | (7,590) | (8,685)
Balance, end of the year | 44,050 | 42,908
Nuna Logistics Partnership | Equity method investments |  |
Equity Method Investment, Financial Statement, Reported Amounts [Roll Forward] |  |
Additions | $ 0 | $ 37,025

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