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Other Financial Liabilities - Summary of Other Financial Liabilities (Detail) ¥ in Thousands, $ in Thousands | Dec. 31, 2020 CNY (¥) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 CNY (¥)
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Derivative Not Designated As Hedges Foreign Exchange Forward Contract |  |  |
Disclosure of Detailed Information About Other financial liabilities [Line Items] |  |  |
Other financial liabilities | ¥ 0 | $ 0 | ¥ 999

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- Definition The amount of financial liabilities that the entity does not separately disclose in the same statement or note. [Refer: Financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 54 -Subparagraph m -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_54_m&doctype=Standard -URIDate 2020-01-01 + Details
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