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Segment information - Additional Information (Details) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Jan. 01, 2019 USD ($) | Dec. 31, 2020 USD ($) segment | Dec. 31, 2019 USD ($)
Disclosure of operating segments [line items] |  |  |
Number of reportable segments | segment |  | 6 |
Revenue |  | $ 1,026,685 | $ 617,823
Initial adoption of IFRS 16 | $ 9,379 |  | 9,379
Turkey |  |  |
Disclosure of operating segments [line items] |  |  |
Revenue |  | 588,188 | 352,385
CANADA |  |  |
Disclosure of operating segments [line items] |  |  |
Revenue |  | 257,267 | 125,282
Two customers | Turkey |  |  |
Disclosure of operating segments [line items] |  |  |
Revenue |  | 368,459 | 280,092
One customer | CANADA |  |  |
Disclosure of operating segments [line items] |  |  |
Revenue |  | $ 255,558 | $ 122,160

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