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Income Tax Expense - Summary of Deferred Tax (Parenthetical) (Detail) ¥ in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023 CNY (¥)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 CNY (¥)
Disclosure of deferred tax assets and liabilities [Line Items]
Beginning balance	¥ (61,825)
Ending balance	(65,089)	$ (9,163)	¥ (61,825)
PRC withholding tax on dividend income [Member]
Disclosure of deferred tax assets and liabilities [Line Items]
Beginning balance	(61,825)	(8,703)	(65,544)
Provision made to consolidated statement of profit or loss	(14,457)	(2,035)	(11,458)
Utilization	11,565	1,628	15,177
Ending balance	¥ (64,717)	$ (9,110)	¥ (61,825)

X

- Definition

Deferred tax liability (asset) utilization.

+ References

No definition available.

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X

- Definition

Disclosure of deferred tax assets and liabilities.

+ References

No definition available.

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X

- Definition

The amount of tax expense or income relating to changes in deferred tax liabilities and deferred tax assets, recognised in profit or loss. [Refer: Deferred tax assets; Deferred tax expense (income); Deferred tax liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2023-01-01
-Paragraph 81
-Subparagraph g
-Clause ii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2023-en-r&anchor=para_81_g_ii&doctype=Standard
-URIDate 2023-03-23

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X

- Definition

The amounts of income taxes payable in future periods in respect of taxable temporary differences. [Refer: Temporary differences [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2023-01-01
-Paragraph 81
-Subparagraph g
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2023-en-r&anchor=para_81_g_i&doctype=Standard
-URIDate 2023-03-23

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 54
-Subparagraph o
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_o&doctype=Standard
-URIDate 2023-03-23

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 56
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_56&doctype=Standard
-URIDate 2023-03-23

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