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Deferred Grants - Additional Information (Detail) ¥ in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 CNY (¥) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 CNY (¥) | Dec. 31, 2019 CNY (¥)
Statement 1 [Line Items] |  |  |  |
Revenue From Government Grants | ¥ 152,932 | $ 24,190 | ¥ 209,793 | ¥ 122,371
Grant Related to Assets [Member] |  |  |  |
Statement 1 [Line Items] |  |  |  |
Revenue From Government Grants | 247,900 | 32,900 | 271,600 |
JSS Grant [Member] |  |  |  |
Statement 1 [Line Items] |  |  |  |
Revenue From Government Grants | ¥ 300 | $ 100 | ¥ 1,100 |

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- Definition The amount of income recognised in relation to government grants. [Refer: Government grants] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 20 -IssueDate 2021-01-01 -Paragraph 39 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=20&code=ifrs-tx-2021-en-r&anchor=para_39_b&doctype=Standard -URIDate 2021-03-24 + Details
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