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Related Party Transactions - Summary of Amount Due from Related Parties (Details) - CNY (¥) ¥ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Gulin Group |  |  |
Related Party Transaction [Line Items] |  |  |
Loan to related party | ¥ 25,000 | ¥ 13,000 | ¥ 80,500
Repayments from related party | 25,000 | ¥ 13,000 | 80,500
AiFenLei Group |  |  |
Related Party Transaction [Line Items] |  |  |
Loan to related party | 70,000 |  | 85,900
Repayments from related party | ¥ 70,000 |  | 110,015
Yueqing |  |  |
Related Party Transaction [Line Items] |  |  |
Repayments from related party |  |  | ¥ 9,500

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