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Related Party Disclosures - Additional Information (Detail) ¥ in Thousands, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 CNY (¥) shares | Dec. 31, 2020 USD ($) shares | Dec. 31, 2019 CNY (¥) shares | Dec. 31, 2018 CNY (¥)
Hong Leong Asia Limited [member] | Subsidiaries [member] |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |
Ownership interest in the entity, shares | 18,270,965 | 18,270,965 | 17,059,154 |
Ownership interest in the entity, percentage | 44.70% | 44.70% | 41.80% |
Consultancy fees charged | ¥ 300 | $ 0.1 | ¥ 30 | ¥ 30
HL Technology Systems Private Limited [member] | Subsidiaries [member] |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |
Ownership interest held by controlling shareholder, percent | 23.30% | 23.30% | 23.30% |
Well Summit Investments Limited [member] | Subsidiaries [member] |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |
Ownership interest held by controlling shareholder, percent | 21.40% | 21.40% | 18.50% |
Yulin City Government [member] |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |
Ownership interest held by non-controlling shareholder with significant influence over the Group | 17.20% | 17.20% | 17.20% |

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- Definition Percentage of share in the Entity held by controlling shareholders through its subsidiaries. + References No definition available. + Details
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- Definition Percentage of share in the Entity held by Non-Controlling Shareholder with significant influence over the Group. + References No definition available. + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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- Details
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