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Income Tax - Summary of Years Open to Examination under Different Jurisdiction (Detail)	12 Months Ended
	Dec. 31, 2024
Canada [Member] | Canada [Member]
Income Tax Examination [Line Items]
Years open to examination	2020 2021 2022 2023 2024
Canada [Member] | UK [Member]
Income Tax Examination [Line Items]
Years open to examination	2018 2019 2020 2021 2022 2023 2024
US [Member]
Income Tax Examination [Line Items]
Years open to examination	2021 2022 2023 2024

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 15
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-15

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- Definition

Tax year that remains open to examination under enacted tax laws, in YYYY format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 15
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-15

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