Related-party transactions - Transactions with directors (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Related party transactions [abstract]
Wages and salaries	$ 2,589	$ 1,923	$ 1,928
Share-based compensation expense	2,894	2,191	832
Variable / bonus expense	678	1,068	787
Pension costs - defined contribution plans	407	291	303
Transactions with directors	$ 6,568	$ 5,473	$ 3,850

The amount of compensation to key management personnel. [Refer: Key management personnel of entity or parent [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2023-01-01
-Paragraph 17
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-URIDate 2023-03-23

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of compensation to key management personnel in the form of post-employment benefits. [Refer: Key management personnel of entity or parent [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2023-01-01
-Paragraph 17
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2023-en-r&anchor=para_17_b&doctype=Standard
-URIDate 2023-03-23

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- Definition

The amount of compensation to key management personnel in the form of share-based payments. [Refer: Key management personnel of entity or parent [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2023-01-01
-Paragraph 17
-Subparagraph e
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2023-en-r&anchor=para_17_e&doctype=Standard
-URIDate 2023-03-23

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of compensation to key management personnel in the form of short-term employee benefits. [Refer: Key management personnel of entity or parent [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2023-01-01
-Paragraph 17
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2023-en-r&anchor=para_17_a&doctype=Standard
-URIDate 2023-03-23

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- References

No definition available.

+ Details

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- Definition

The amount of compensation to key management personnel in the form of social security costs. [Refer: Key management personnel of entity or parent [member]]

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	duration