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Summary of Significant Accounting Policies - Schedule of Redeemable Non-controlling Interest (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2023 CNY (¥) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 CNY (¥) | Dec. 31, 2021 CNY (¥)
Summary of Significant Accounting Policies |  |  |  |
Acquisition of redeemable non-controlling interest | ¥ 96,296 |  |  |
Net loss attributable to mezzanine equity classified as non-controlling interests shareholders | (3,536) | $ (498) | ¥ 0 | ¥ 0
Balance | ¥ 92,760 | $ 13,065 |  |

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