Currency Appreciation (Depreciation) Percentage.

No definition available.

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- Definition

Amount of increase in interest expenses from one-percentage-point increase or decrease.

+ References

No definition available.

+ Details

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- Definition

Number of customers.

+ References

No definition available.

+ Details

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- Definition

Number of suppliers.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 954
-SubTopic 310
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478785/954-310-50-2

+ Details

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-42

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-21

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-20

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 275
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-Section 50
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-18

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-20

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- Definition

Incremental percentage increase (decrease) in the stated rate on a debt instrument.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Concentration of Risks - Additional Information (Details) ¥ in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2024 CNY (¥) item customer	Dec. 31, 2024 USD ($) item customer	Dec. 31, 2023 item customer	Dec. 31, 2022 item customer
Concentration of Risks
Increase or decrease in annual interest rates	1.00%	1.00%
CNY
Concentration of Risks
Currency depreciation percentage	2.80%	2.80%	2.90%	8.20%
Customer Concentration Risk
Concentration of Risks
Number of customers \| customer	3	3	3	3
Customer Concentration Risk \| Revenue Benchmark \| Customer One
Concentration of Risks
Concentration risk percentage	35.00%	35.00%	35.00%	39.00%
Customer Concentration Risk \| Revenue Benchmark \| Customer Two
Concentration of Risks
Concentration risk percentage	35.00%	35.00%	30.00%	31.00%
Customer Concentration Risk \| Revenue Benchmark \| Customer Three
Concentration of Risks
Concentration risk percentage	19.00%	19.00%	25.00%	23.00%
Supplier Concentration Risk \| Cost of Revenues Benchmark
Concentration of Risks
Number of suppliers \| item	2	2	3	3
Supplier Concentration Risk \| Cost of Revenues Benchmark \| Supplier One
Concentration of Risks
Concentration risk percentage	14.00%	14.00%	27.00%	30.00%
Supplier Concentration Risk \| Cost of Revenues Benchmark \| Supplier Two
Concentration of Risks
Concentration risk percentage	10.00%	10.00%	24.00%	24.00%
Supplier Concentration Risk \| Cost of Revenues Benchmark \| Supplier Three
Concentration of Risks
Concentration risk percentage			15.00%	21.00%
Interest Rate Risk
Concentration of Risks
Amount of increase or decrease interest expense per year if 1% increase or decrease in annual interest rates	¥ 1,100	$ 151