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v3.21.1

Leases - Summary of detailed Information About Carrying Amounts of Right-of-use Assets Recognized and Movements During Year (Detail) ¥ in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2020 CNY (¥) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 CNY (¥) | Dec. 31, 2019 USD ($)
Disclosure of quantitative information about right-of-use assets [line items] |  |  |  |
Beginning balance | ¥ 415,384 | $ 64,189 | ¥ 446,608 | $ 69,014
Addition | 15,256 | 2,357 | 11,473 | 1,773
Depreciation expenses | (43,298) | (6,691) | (40,958) | (6,329)
Disposal | (3,198) | (494) | (1,771) | (274)
Translation difference | (143) | (22) | 32 | 5
Ending balance | 384,001 | $ 59,339 | 415,384 | $ 64,189
Leasehold land [member] |  |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |  |
Beginning balance | 353,807 |  | 369,925 |
Addition | 2,058 |  |  |
Depreciation expenses | (14,102) |  | (14,347) |
Disposal | (3,198) |  | (1,771) |
Ending balance | 338,565 |  | 353,807 |
Building and office space [member] |  |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |  |
Beginning balance | 61,556 |  | 76,644 |
Addition | 13,198 |  | 11,473 |
Depreciation expenses | (29,182) |  | (26,597) |
Translation difference | (142) |  | 36 |
Ending balance | 45,430 |  | 61,556 |
Office Furniture, Fittings and Equipment [member] |  |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |  |
Beginning balance | 21 |  | 39 |
Depreciation expenses | (14) |  | (14) |
Translation difference | (1) |  | (4) |
Ending balance | ¥ 6 |  | ¥ 21 |

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- Definition Translation difference on right of use asset. + References No definition available. + Details
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- Definition The amount of additions to right-of-use assets. [Refer: Right-of-use assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2020-01-01 -Paragraph 53 -Subparagraph h -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2020-en-r&anchor=para_53_h&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of depreciation expense. Depreciation is the systematic allocation of depreciable amounts of tangible assets over their useful lives. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_112_c&doctype=Standard -URIDate 2020-01-01 + 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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- Definition The amount of assets that represent a lessee's right to use an underlying asset for the lease term. Underlying asset is an asset that is the subject of a lease, for which the right to use that asset has been provided by a lessor to a lessee. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2020-01-01 -Paragraph 53 -Subparagraph j -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2020-en-r&anchor=para_53_j&doctype=Standard -URIDate 2020-01-01 + Details
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