Available-for-sale Debt Investments (Details) - CNY (¥) ¥ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Available-for-sale Debt Investments | ||
| Fair value of available-for-sale investments | ¥ 306 | ¥ 313 |
| Total accumulated unrealized loss on available-for-sale debt investments recorded in accumulated other comprehensive income | ¥ 41,800 | ¥ 41,800 |
| Particle | Series D1 convertible redeemable preferred shares | ||
| Available-for-sale Debt Investments | ||
| Percentage of equity interests owned by the Company on an as-if converted basis | 0.60% | |
| Available for sale securities debt securities number of shares outstanding | 4,584,209 | 4,584,209 |
| Fair value of available-for-sale investments | ¥ 300 | ¥ 300 |
| X | ||||||||||
- Definition Available for sale securities debt securities number of shares outstanding. No definition available.
|
| X | ||||||||||
- Definition Percentage of equity interests of investee owned by entities on an as-if converted basis. No definition available.
|
| X | ||||||||||
- Definition Amount, after tax, of accumulated unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|