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Long - Term Investments - Components (Details) ¥ in Thousands, $ in Thousands | Dec. 31, 2023 CNY (¥) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 CNY (¥) | Dec. 31, 2021 CNY (¥) | Dec. 31, 2020 CNY (¥)
--- | --- | --- | --- | --- | ---
Long-Term Investments. |  |  |  |  |
Long -term held - to - maturity investments | ¥ 178,153 |  |  |  |
Equity Securities without ready determinable Fair Value | 33,605 |  | ¥ 11,969 | ¥ 11,812 | ¥ 2,741
Total | ¥ 211,758 | $ 29,825 | ¥ 11,969 |  |

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