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Share-based compensation - Schedule Of Awards Granted Phantom RSU Award (Details) - Phantom RSU award - shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
2019 | Second anniversary of grant date
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant (in shares)					186,081
2019 | Third anniversary of grant date
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant (in shares)					93,040
2019 | Fourth anniversary of grant date
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant (in shares)					93,040
2019 | Fifth anniversary of grant date
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant (in shares)					1,300,496
2020 | First anniversary of grant date
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant (in shares)				65,440
2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant (in shares)			918,387
2021 | First anniversary of grant date
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant (in shares)			44,093
2021 | Third anniversary of grant date
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant (in shares)			874,294
2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant (in shares)		907,536
2022 | First anniversary of grant date
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant (in shares)		41,055
2022 | Third anniversary of grant date
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant (in shares)		866,481
2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant (in shares)	769,375
2023 | First anniversary of grant date
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant (in shares)	32,599
2023 | Third anniversary of grant date
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant (in shares)	736,776

X

- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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