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FINANCIAL INCOME/(EXPENSE), NET - Schedule of financial income, net (Details) ¥ in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021 CNY (¥)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 CNY (¥)	Dec. 31, 2019 CNY (¥)
Interest income	¥ 15,947		¥ 46,667	¥ 52,889
Interest expenses	(4,181)		(6,383)
Gains/(loss) from fair value changes of equity securities investment	59,690		(53,683)	68,555
Bank charges	(529)		(709)	(444)
Others	9,134		5,537	370
Financial Income	¥ 80,061	$ 12,563	¥ (8,571)	¥ 121,370

X

- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Balance Type:	debit
Period Type:	duration

X

- Definition

Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

+ References

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X

- Definition

Amount of expense for bank charges.

+ References

No definition available.

+ Details

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X

- Definition

Represents financial income net.

+ References

No definition available.

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X

- Definition

Financial income others one.

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No definition available.

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X

- Definition

Unrealized gain loss on equity securities with readily determinable fair value and without readily determinable fair value.

+ References

No definition available.

+ Details

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