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Deferred Government Grants (Details) $ in Thousands |  |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Dec. 12, 2024 USD ($) | Dec. 12, 2024 CNY (¥) | Nov. 02, 2023 USD ($) | Nov. 02, 2023 CNY (¥) | Jun. 23, 2020 USD ($) | Jun. 23, 2020 CNY (¥) | Oct. 17, 2014 CNY (¥) | Dec. 31, 2021 USD ($) | Dec. 31, 2021 CNY (¥) | Dec. 31, 2024
Deferred Government Grants [Abstract] |  |  |  |  |  |  |  |  |  |
Government grants |  |  |  |  |  |  |  |  |  | Deferred government grants, current
Subsidy received |  |  |  |  |  |  | ¥ 46,150,000 |  |  |
Amount received |  |  |  |  | $ 6,820 | ¥ 47,100,000 |  |  |  |
Other income |  |  |  |  |  |  |  | $ 1,600 | ¥ 10,000,000 |
Subsidy |  |  |  |  |  |  |  | $ 5,900 | ¥ 37,100,000 |
Development cost | $ 1,600 | ¥ 11,420,000 | $ 1,200 | ¥ 8,400,000 |  |  |  |  |  |

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