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Reserves - Summary of Statutory Reserves (Detail) ¥ in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2021 CNY (¥) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 CNY (¥)
Disclosure of reserves within equity [line items] |  |  |
Beginning balance | ¥ 307,165 |  |
Ending balance | 309,237 | $ 48,913 | ¥ 307,165
Statutory general reserve [member] |  |  |
Disclosure of reserves within equity [line items] |  |  |
Beginning balance | 281,459 | 44,519 | 278,601
Transfer from retained earnings | 2,072 | 328 | 2,858
Ending balance | 283,531 | 44,847 | 281,459
General surplus reserve [member] |  |  |
Disclosure of reserves within equity [line items] |  |  |
Beginning balance | 25,706 |  |
Ending balance | 25,706 | 4,066 | 25,706
Capital reserves [member] |  |  |
Disclosure of reserves within equity [line items] |  |  |
Beginning balance | 30,704 |  |
Ending balance | ¥ 30,704 | $ 4,857 | ¥ 30,704

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The increase (decrease) in equity resulting from transfers to a statutory reserve. [Refer: Statutory reserve] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 106 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_106_d&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition A component of equity representing reserves created based on legal requirements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_55&doctype=Standard -URIDate 2021-03-24 + Details
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- Details
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- Details
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- Details
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