ADDITIONAL INFORMATION OF THE PARENT COMPANY - CONDENSED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (INCOME) (Details) ¥ in Thousands, $ in Thousands |
12 Months Ended | |||
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Dec. 31, 2025
CNY (¥)
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Dec. 31, 2025
USD ($)
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Dec. 31, 2024
CNY (¥)
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Dec. 31, 2023
CNY (¥)
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| Condensed Statement of Income Captions [Line Items] | ||||
| Net revenues | ¥ 3,027,573 | $ 432,937 | ¥ 2,077,157 | ¥ 1,876,989 |
| Sales and marketing expenses | 191,990 | 27,454 | 193,032 | 148,798 |
| General and administrative expenses | (288,828) | (41,302) | (316,913) | (320,144) |
| Other operating income, net | 181,415 | 25,942 | 276,093 | 26,520 |
| Interest income | 130,237 | 18,624 | 104,401 | 99,813 |
| Foreign exchange (loss) gain | 2,156 | 308 | 14,577 | (452) |
| Other income, net | 184,566 | 26,393 | (2,476) | 34 |
| Equity in (deficit) earnings of subsidiaries | (74) | (11) | (13) | (45) |
| Total net (loss) income before income tax | 466,715 | (101,246) | (475,310) | |
| Income tax expense | (30,835) | (4,409) | (1,130) | (658) |
| Net (loss) income | 435,880 | 62,330 | (102,376) | (475,968) |
| Net (loss) income attributable to ordinary shareholders of the Company | 435,880 | 62,330 | (102,376) | (475,968) |
| Comprehensive income, (loss), net of tax of nil: | ||||
| Foreign currency translation adjustments | (50,446) | (7,214) | 18,535 | 42,048 |
| Comprehensive (loss) income | 385,434 | 55,116 | (83,841) | (433,920) |
| Parent company | Reportable legal entities | ||||
| Condensed Statement of Income Captions [Line Items] | ||||
| Net revenues | 0 | 0 | 0 | 0 |
| Sales and marketing expenses | (2,319) | (332) | (6,741) | 0 |
| General and administrative expenses | (25,856) | (3,697) | (67,475) | (98,099) |
| Other operating income, net | 45,212 | 6,465 | 0 | 0 |
| Interest income | 89,496 | 12,799 | 50,754 | 42,402 |
| Foreign exchange (loss) gain | 14,950 | 2,138 | (9) | (12) |
| Other income, net | 8,220 | 1,175 | 0 | 0 |
| Equity in (deficit) earnings of subsidiaries | 309,545 | 44,264 | (78,905) | (420,259) |
| Total net (loss) income before income tax | 439,248 | 62,812 | (102,376) | (475,968) |
| Income tax expense | (3,368) | (482) | 0 | 0 |
| Net (loss) income | 435,880 | 62,330 | (102,376) | (475,968) |
| Net (loss) income attributable to ordinary shareholders of the Company | 435,880 | 62,330 | (102,376) | (475,968) |
| Comprehensive income, (loss), net of tax of nil: | ||||
| Foreign currency translation adjustments | (50,446) | (7,214) | 18,535 | 42,048 |
| Comprehensive (loss) income | ¥ 385,434 | $ 55,116 | ¥ (83,841) | ¥ (433,920) |
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- 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
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- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, before tax, of realized and unrealized gain (loss) from foreign currency transaction. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of income (loss) for proportionate share of equity method investee's income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of operating interest income, including, but not limited to, amortization and accretion of premiums and discounts on securities. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to parent entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Amount of income (expense) related to nonoperating activities, classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations. No definition available.
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The aggregate total amount of expenses directly related to the marketing or selling of products or services. No definition available.
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