Summary of Significant Accounting Policies - Financing Receivables (Details) - CNY (¥) ¥ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Financing receivables
Allowance for doubtful accounts relating to financing receivables	¥ 93,185	¥ 58,768
Loss pertaining to finance receivables	50,940	35,515	¥ 19,703
Interest income generated from financing receivables	146,096	168,395	¥ 183,709
Other non-current assets
Financing receivables
Allowance for doubtful accounts relating to financing receivables	¥ 56,863	¥ 40,340
Minimum
Financing receivables
Credit term for financing services	3 months
Maximum
Financing receivables
Credit term for financing services	3 years

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Balance Type:	credit
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- Definition

Amount of interest income on financing receivable on nonaccrual status.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Amount of credit loss expense (reversal of expense) for financing receivable.

+ References

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- References

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- Definition

Credit term of the financing services, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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