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Taxation - Additional Information (Details) ¥ in Thousands | 12 Months Ended
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Dec. 31, 2019 CNY (¥)
Tax Examinations Computational Errors |
Income Tax Examination [Line Items] |
Statute of limitation, period (in years) | 3 years
Tax Examinations Underpayment of Taxes Exceeding Threshold Amount |
Income Tax Examination [Line Items] |
Statute of limitation, period (in years) | 5 years
Minimum threshold amount for determining statute of limitation | ¥ 100
Tax Examinations Transfer Pricing Issues |
Income Tax Examination [Line Items] |
Statute of limitation, period (in years) | 10 years
Tax Examinations Tax Evasion |
Income Tax Examination [Line Items] |
Statute of limitation, period (in years) | 0 years

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