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Basis of preparation of interim financial statements - Presentation currency (Details) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022
United State Dollars [Member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Closing rate | 4.8192 |  | 4.8192 |  | 5.2177
Average rate | 4.9485 | 4.9265 | 5.0744 | 5.0783 |
Canadian Dollar [Member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Closing rate | 3.6421 |  | 3.6421 |  | 3.8550
Average rate | 3.6860 | 3.8573 | 3.7654 | 3.9937 |
Euro [Member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Closing rate | 5.2626 |  | 5.2626 |  | 5.5694
Average rate | 5.3867 | 5.2409 | 5.4831 | 5.5568 |

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