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Land-Use Rights, Net (Details) ¥ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2021 CNY (¥) m² | Dec. 31, 2023 CNY (¥) | Dec. 31, 2022 CNY (¥) | Dec. 31, 2021 CNY (¥)
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Purchases of land-use right |  |  |  | ¥ 43,188
Amortization expenses |  | ¥ 7,704 | ¥ 7,914 | 6,326
Weighted average remaining lease term |  | 47 years 2 months 8 days |  |
Land-use rights |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Useful life of intangible assets |  | 50 years |  |
Land-use rights | Land in Shanghai |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Purchases of land-use right | ¥ 43,188 |  |  |
Number of square meters acquired | m² | 26,615 |  |  |
Useful life of intangible assets | 50 years |  |  |
Amortization expenses |  | ¥ 863 | ¥ 864 | ¥ 718

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