TAXATION - Current and deferred components (Details) ¥ in Thousands, $ in Thousands	12 Months Ended
Dec. 31, 2025 CNY (¥)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 CNY (¥)	Dec. 31, 2023 CNY (¥)
TAXATION
Current income tax expenses	¥ 6,387	$ 913	¥ 12,012	¥ 21,666
Total income tax expenses	¥ 6,387	$ 913	¥ 12,012	¥ 21,666

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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+ Details