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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2021
Accounting Policies [Abstract] |
Summary of Estimated Useful Lives of Class of Asset |
Category |  | Estimated Useful Life |  | Estimated Residual Value
Office and electronic equipment |  | 3-5 years |  | 5%
Motor vehicles |  | 4 years |  | 5%
Leasehold improvements |  | Over the shorter of the expected life of |  |
|  | leasehold improvements or the lease term |  | Nil

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- Definition Tabular disclosure of useful lives of different types of property and equipment. + References No definition available. + Details
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Namespace Prefix: | cang_
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Balance Type: | na
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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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