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Directors' and key management remuneration - Summary of aggregate compensation representing the expense recognised under IFRS (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disclosure Of Directors And Key Management Remuneration [Abstract]
Short-term employee benefits and costs	$ 16,159	$ 14,258	$ 18,184
Post-employment benefits	155	174	300
Employment termination benefits	155	0	0
Share-based payments	10,305	10,846	10,303
Total	$ 26,774	$ 25,278	$ 28,787

X

- Definition

The amount of compensation to key management personnel. [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
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2023-en-r&anchor=para_17&doctype=Standard
-URIDate 2023-03-23

+ Details

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X

- 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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X

- 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

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X

- 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

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X

- Definition

The amount of compensation to key management personnel in the form of termination benefits. [Refer: Termination benefits expense; 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 d
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2023-en-r&anchor=para_17_d&doctype=Standard
-URIDate 2023-03-23

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- Definition

Disclosure of directors and key management remuneration.

+ References

No definition available.

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