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Principal Accounting Policies (Details 5) | 12 Months Ended
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Dec. 31, 2021
Building |
Property, Equipment and Software |
Estimated useful lives of assets | 20 years
Decoration |
Property, Equipment and Software |
Estimated useful lives of assets | 5 years
Leasehold improvements |
Property, Equipment and Software |
Estimated useful lives of assets | lesser of the term of the lease and the estimated useful lives of the assets
Furniture, fixtures, office and other equipments | Equal to or more than |
Property, Equipment and Software |
Estimated useful lives of assets | 3 years
Furniture, fixtures, office and other equipments | Less than |
Property, Equipment and Software |
Estimated useful lives of assets | 10 years
Vehicles |
Property, Equipment and Software |
Estimated useful lives of assets | 5 years
Servers and computers |
Property, Equipment and Software |
Estimated useful lives of assets | 3 years
Software |
Property, Equipment and Software |
Estimated useful lives of assets | 3 years

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- Definition Describes the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 35 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123364984&loc=d3e1205-110223 + Details
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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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