Income taxes - Summary of unrecognized deferred tax assets (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Unrecognized Deferred Tax Assets
Tax losses	$ 191,448	$ 192,880
Other deductible temporary differences	99,835	85,142
Total unrecognized deferred tax assets	$ 291,283	$ 278,022

The amount of deferred tax expense or income relating to the creation or reversal of temporary differences. [Refer: Temporary differences [member]; Deferred tax expense (income)]

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 12
-IssueDate 2022-03-24
-Paragraph 80
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&anchor=para_80_c&doctype=Standard
-URIDate 2022-03-24

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Period Type:	duration