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Short-term Investments - Additional Information (Details) - CNY (¥) ¥ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Short-term Investments.
Unrecognized holding gains on held-to-maturity investments	¥ 7,650	¥ 6,045	¥ 5,411
Unrealized gains on available-for-sale investments	0	174	192
Unrealized gains on investments under fair value option	¥ 12,029	¥ 0	¥ 0

X

- Definition

Amount of unrealized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-2

+ Details

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X

- References

No definition available.

+ Details

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X

- Definition

Amount of unrealized gain (loss) on investment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

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X

- Definition

Amount of unrealized gain on investment under fair value option with change in fair value recognized in net income.

+ References

No definition available.

+ Details

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