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Share-based payments - Long term incentive plan (Details) $ in Thousands |  | 12 Months Ended
--- | --- | ---
May 17, 2023 USD ($) | Dec. 31, 2023 USD ($) shares | Dec. 31, 2023 $ / shares | Dec. 31, 2022 USD ($)
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Common shares on non-diluted basis | 13.00% |  |  |
Change in terms of DSUs |  | $ 203 |  |
Contributed surplus |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Change in terms of DSUs | $ 203 | $ 203 |  |
LTIP |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Common shares on non-diluted basis | 4.90% |  |  |
Number of trading days preceding the date the share option granted |  | 5 days |  |
Share-based compensation expense |  | $ 2,206 |  | $ 1,724
LTIP | DSU |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Restricted stock units, Shares authorized | shares |  | 25,000 |  |
LTIP | RSUs |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Restricted stock units, Shares authorized | shares |  | 235,500 |  |
Vesting period |  | 3 years |  |
LTIP | RSUs | DSU |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Maximum period of share options vested |  | 3 years |  |
LTIP | Bottom of range | RSUs |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Restricted stock units, Market price | $ / shares |  |  | $ 12.38 |

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