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Long-Term Investments - Summary of long-term investments (Details) - CNY (¥) ¥ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Long-Term Investments.
Equity securities without readily determinable fair value - Balances, beginning	¥ 11,969	¥ 11,812	¥ 2,741
Equity securities without readily determinable fair value - Additions	24,208		9,900
Equity securities without readily determinable fair value - Impairment	(2,060)	0	(784)
Equity securities without readily determinable fair value - Foreign currency translation adjustment	(512)	(157)	45
Equity securities without readily determinable fair value - Balances, ending	¥ 33,605	¥ 11,969	¥ 11,812

X

- Definition

Amount of investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479536/321-10-50-3

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- Definition

Amount of impairment loss on investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479536/321-10-50-3

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- Definition

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+ References

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- Definition

Amount of foreign currency translation adjustment on investment in equity security without readily determinable fair value.

+ References

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