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FAIR VALUE MEASUREMENTS - Liabilities measured (Details) ¥ in Thousands | 1 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 CNY (¥) | Sep. 30, 2024 CNY (¥)
2027 Convertible Notes |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation |  |
Beginning Balance | ¥ 1,683,270 |
Changes in fair value through the earnings | ¥ 135,075 |
Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Changes In The Fair Value Of Convertible Promissory Notes |
Due to instrument-specific credit changes in other comprehensive income | ¥ 7,109 |
Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Liability, Gain (Loss), Statement of Other Comprehensive Income or Comprehensive Income [Extensible Enumeration] | Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, after Tax and Reclassification Adjustment, Attributable to Parent |
Foreign currency translation adjustment | ¥ (31,560) | ¥ (31,560)
Ending Balance | 1,793,894 | 1,793,894
Derivative liability |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation |  |
Beginning Balance |  | 188,706
Changes in fair value through the earnings |  | ¥ (132,538)
Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |  | Changes In The Fair Value Of Convertible Promissory Notes
Foreign currency translation adjustment | 892 | ¥ 892
Ending Balance | ¥ 57,060 | ¥ 57,060

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