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LEASES - Additional Information (Details) ¥ in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023 CNY (¥)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 CNY (¥)	Dec. 31, 2021 CNY (¥)
LEASES
Lease cost	¥ 20,875	$ 2,940	¥ 21,797	¥ 22,147
Operating lease costs	10,349	1,458	21,567	21,755
Short-term lease costs	10,526	1,482	230	392
Cash payments for operating leases	¥ 11,749	$ 1,655	¥ 24,795	¥ 21,598
Weighted-average remaining lease terms	2 years 1 month 17 days	2 years 1 month 17 days	1 year 1 month 13 days
Weighted average incremental borrowing rates	7.68%	7.68%	7.75%

X

- Definition

Amount of lease cost recognized by lessee for lease contract.

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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- Definition

Weighted average discount rate for operating lease calculated at point in time.

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- Definition

Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of short-term lease cost, excluding expense for lease with term of one month or less.

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