Salaries and social security expenses - Summary (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Salaries and social security expenses [abstract]
Wages and salaries	$ 132,010	$ 101,818	$ 89,662
Social security costs	36,932	30,296	27,430
Equity-settled share-based compensation	10,227	6,406	4,316
Salaries and social security expenses	179,169	138,520	121,408
Wages and salaries capitalized in property, plant and equipment	$ 30,014	$ 25,105	$ 32,714

The amount of expense arising from equity-settled share-based payment transactions in which the goods or services received did not qualify for recognition as assets. [Refer: Expense from share-based payment transactions]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2022-03-24
-Paragraph 51
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2022-en-r&anchor=para_51_a&doctype=Standard
-URIDate 2022-03-24

Name:	ifrs-full_ExpenseFromEquitysettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration