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Employee benefits (Details Textual) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Employee benefits [Line Items] |  |  |  |
Key management personnel compensation |  | $ 31,560,000 | $ 23,770,000 | $ 22,598,000
Number of shares effected |  | 146,708 |  |
Weighted average share price |  | $ 54 | $ 41.93 |
Executive Compensation Plan [Member] |  |  |  |
Employee benefits [Line Items] |  |  |  |
Key management personnel compensation |  |  | $ 875,000 | $ 5,979,000
Number of shares effected |  | 188,740 | 177,905 |
Executive Compensation Plan [Member] | Two Thousand And Twenty Bonus [Member] |  |  |  |
Employee benefits [Line Items] |  |  |  |
Key management personnel compensation | $ 42,032 |  |  |
Men [Member] |  |  |  |
Employee benefits [Line Items] |  |  |  |
Actuarial assumption of retirement age |  | 65 years | 65 years | 65 years
Men [Member] | Top of range [member] |  |  |  |
Employee benefits [Line Items] |  |  |  |
Actuarial assumption of retirement age |  |  | 65 years |
Women [Member] |  |  |  |
Employee benefits [Line Items] |  |  |  |
Actuarial assumption of retirement age |  | 60 years | 60 years | 60 years
Women [Member] | Top of range [member] |  |  |  |
Employee benefits [Line Items] |  |  |  |
Actuarial assumption of retirement age |  |  | 60 years |

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- Definition The retirement age used as a significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit obligation, at present value; Actuarial assumptions [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 144 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_144&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of compensation to key management personnel. [Refer: Key management personnel of entity or parent [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2021-01-01 -Paragraph 17 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_17&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The weighted average share price. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2021-01-01 -Paragraph 45 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_c&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The number of shares effected in plan. + References No definition available. + Details
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