Share-based payment arrangements - Summary of status and movements in RSUs and PSUs (Details) - shares	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Restricted Shares Without Performance Criteria
Disclosure of terms and conditions of share-based payment arrangement [line items]
At January 1,	471,762	478,067
Granted (in shares)	176,414	180,132
Redeemed (in shares)	(294,993)	(135,833)
Forfeited (in shares)	(24,506)	(50,604)
At December 31,	328,677	471,762
Restricted share units with performance criteria
Disclosure of terms and conditions of share-based payment arrangement [line items]
At January 1,	908,377	689,967
Granted (in shares)	229,979	440,508
Redeemed (in shares)	(459,958)	(160,470)
Forfeited (in shares)	(111,658)	(61,628)
At December 31,	566,740	908,377
Performance Share Unit
Disclosure of terms and conditions of share-based payment arrangement [line items]
At January 1,	278,020	525,605
Granted (in shares)	616,920	267,936
Redeemed (in shares)	(528,166)	(514,010)
Forfeited (in shares)	(24,104)	(1,511)
At December 31,	342,670	278,020

Number of other equity instruments redeemed in share-based payment arrangement.

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- Definition

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

+ References

No definition available.

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- Definition

The number of other equity instruments (ie other than share options) granted in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2022-03-24
-Paragraph 47
-Subparagraph b
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-URIDate 2022-03-24

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 2
-IssueDate 2022-03-24
-Paragraph 45
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2022-en-r&anchor=para_45&doctype=Standard
-URIDate 2022-03-24

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The number of other equity instruments (ie other than share options) forfeited in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 2
-IssueDate 2022-03-24
-Paragraph 45
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2022-en-r&anchor=para_45&doctype=Standard
-URIDate 2022-03-24

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- Definition

The number of other equity instruments (ie other than share options) outstanding in a share-based payment arrangement.

+ References

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