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RELATED PARTY TRANSACTIONS - Other income (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 CNY (¥) | Dec. 31, 2025 USD ($) | Dec. 31, 2024 CNY (¥) | Dec. 31, 2023 CNY (¥)
RELATED PARTY TRANSACTIONS |  |  |  |
Interest income, net | ¥ 807,505 | $ 115,472 | ¥ 1,260,163 | ¥ 1,263,332
Related party |  |  |  |
RELATED PARTY TRANSACTIONS |  |  |  |
Interest income, net | 11,895 |  | 7,010 | 6,987
Related party | IFM |  |  |  |
RELATED PARTY TRANSACTIONS |  |  |  |
Interest income, net | 1,552 |  | 3,421 | 5,076
Related party | Beihaojia business investees |  |  |  |
RELATED PARTY TRANSACTIONS |  |  |  |
Interest income, net | 10,014 |  | 2,258 | 0
Related party | Others |  |  |  |
RELATED PARTY TRANSACTIONS |  |  |  |
Interest income, net | ¥ 329 |  | ¥ 1,331 | ¥ 1,911

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