LEASES (Details) ¥ in Thousands, $ in Thousands	12 Months Ended
Dec. 31, 2022 CNY (¥)	Dec. 31, 2021 CNY (¥)	Dec. 31, 2020 CNY (¥)	Dec. 31, 2022 USD ($)
Leases
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Other Liabilities, Current	Other Liabilities, Current		Other Liabilities, Current
Operating lease ROU assets	¥ 163,877	¥ 233,847		$ 23,760
Current portion of operating lease liabilities	64,734	65,740
Long-term operating lease liabilities	100,469	165,614		$ 14,567
Variable lease cost	0	0	¥ 0
Lease expenses	75,827	73,756	41,936
Cash paid for amounts included in the measurement of operating lease liabilities	73,407	77,722	40,792
Right-of-use assets obtained in exchange for the operating lease liabilities	10,274	225,003	50,076
Amount of right-of-use assets decreased due to lease early termination	¥ 10,921	¥ 23,624	¥ 1,685
Weighted-average remaining lease term (in years)	3 years	3 years 7 months 6 days		3 years
Weighted-average discount rate (as a percent)	4.30%	4.30%		4.30%
Maturities of lease liabilities in accordance with Leases (Topic 842)
2023	¥ 70,251
2024	57,351
2025	40,703
2026	6,629
2027	205
Total lease payment	175,139
Less: imputed interest	(9,936)
Present value of minimum operating lease payments	¥ 165,203

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Amount of lessee's undiscounted obligation for lease payment for operating lease.

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.

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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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Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

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Indicates line item in statement of financial position that includes current operating lease liability.

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Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.

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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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Amount of lessee's right to use underlying asset under operating lease.

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

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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 increase in right-of-use asset obtained in exchange for operating lease liability.

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Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

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Amount of increase (decrease) right of use asset due to lease modification.

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