Changes in accounting policies (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Jan. 01, 2022	Dec. 31, 2021
Corporate Information And Statement Of IFRS Compliance [Abstract]
Onerous contracts provision (notes 4 & 18)	$ 4,400	$ 1,200	$ 1,200

The amount of provision for onerous contracts. An onerous contract is a contract in which the unavoidable costs of meeting the obligation under the contract exceed the economic benefits expected to be received under it. [Refer: Other provisions]

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 37
-IssueDate 2022-03-24
-Paragraph 66
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2022-en-r&anchor=para_66&doctype=Standard
-URIDate 2022-03-24

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