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Summary of Significant Accounting Policies - Estimated useful lives of class of asset (Details) | Dec. 31, 2024
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Office and electronic equipment | Minimum |
Summary of Significant Accounting Policies |
Estimated Useful Life | 3 years
Estimated Residual | 0.00%
Office and electronic equipment | Maximum |
Summary of Significant Accounting Policies |
Estimated Useful Life | 10 years
Estimated Residual | 5.00%
Motor vehicles |
Summary of Significant Accounting Policies |
Estimated Useful Life | 4 years
Estimated Residual | 5.00%
Aircraft |
Summary of Significant Accounting Policies |
Estimated Useful Life | 10 years
Estimated Residual | 5.00%
Building |
Summary of Significant Accounting Policies |
Estimated Useful Life | 30 years
Estimated Residual | 5.00%
Leasehold improvements |
Summary of Significant Accounting Policies |
Estimated Residual | 0.00%

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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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 7A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A + Details
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- Definition Stated as a percentage, the estimated or actual value of the asset at the end of its useful life or when it is no longer serviceable (cannot be used for its original purpose) divided by its [historical] capitalized cost. + 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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