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Segment - Long-term assets (Details) - CNY (¥) ¥ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Total long-term assets | ¥ 1,186,204 | ¥ 679,862
Mainland China |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Total long-term assets | 1,144,643 | 665,511
Thailand |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Total long-term assets | 39,312 |
North America |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Total long-term assets | 2,146 | ¥ 14,351
Switzerland |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Total long-term assets | ¥ 103 |

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- Definition Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-41 + Details
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