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SHORT-TERM INVESTMENT (Details) ¥ in Thousands, $ in Thousands	1 Months Ended		12 Months Ended
	Jan. 31, 2024 CNY (¥)	Jan. 31, 2024 USD ($)	Dec. 31, 2024 CNY (¥)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 CNY (¥)	Dec. 31, 2022 CNY (¥)	Dec. 31, 2024 USD ($)
SHORT-TERM INVESTMENT
Total investment consideration	¥ 204,607	$ 28,031	¥ 204,607	$ 28,031	¥ 0	¥ 0
Proceeds from disposal of short - term investment			77,276	10,587	¥ 0	¥ 0
Short-term investment			134,621				$ 18,443
Gain (loss) on investment			¥ 7,290	$ 999

X

- Definition

The cash inflow under financing activities for disposal of short term investment.

+ References

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- Definition

The cash outflow under financing activities for purchase of short term investment.

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- Definition

Amount of realized and unrealized gain (loss) on investment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
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-Subparagraph (SX 210.5-03(9)(a))
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- Definition

Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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