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SUMMARY OF PRINCIPAL ACCOUNTING POLICIES - Property and equipment, net (Details) | Dec. 31, 2023
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Leasehold improvements |
Property and equipment, net |
Property, Plant, and Equipment, Useful Life, Term, Description [Extensible Enumeration] | us-gaap:UsefulLifeShorterOfTermOfLeaseOrAssetUtilityMember
Buildings | Minimum |
Property and equipment, net |
Property and equipment, estimated useful life | 20 years
Buildings | Maximum |
Property and equipment, net |
Property and equipment, estimated useful life | 40 years
Furniture, fixtures and equipment | Minimum |
Property and equipment, net |
Property and equipment, estimated useful life | 1 year
Furniture, fixtures and equipment | Maximum |
Property and equipment, net |
Property and equipment, estimated useful life | 20 years
Motor vehicles |
Property and equipment, net |
Property and equipment, estimated useful life | 5 years

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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- Definition Indicates description of term of useful life for property, plant, and equipment when not stated as numeric value. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 35 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482190/360-10-35-3 + 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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