Employee benefits - Sensitivity Analysis of Actuarial Assumptions (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Actuarial assumption of discount rates
Employee benefits [Line Items]
Increase in actuarial assumption	$ (2,090)	$ (1,614)	$ (1,985)
Decrease in actuarial assumption	2,352	1,817	2,234
Actuarial assumption of employee turnover rate
Employee benefits [Line Items]
Increase in actuarial assumption	(274)	(212)	(261)
Decrease in actuarial assumption	$ 307	$ 237	$ 291

The increase (decrease) in a defined benefit obligation that would have been caused by an increase in a significant actuarial assumption that was reasonably possible at the end of the reporting period. [Refer: Actuarial assumptions [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 19
-IssueDate 2022-03-24
-Paragraph 145
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2022-en-r&anchor=para_145_a&doctype=Standard
-URIDate 2022-03-24

Name:	ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant