Commitments and contingencies disclosure.

No definition available.

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- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918673-209980

+ Details

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- Definition

Amount of operating lease expense. Excludes sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918638-209977

+ Details

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- Definition

Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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Commitments and Contingencies - Additional Information (Details) ¥ in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021 CNY (¥)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 CNY (¥)	Dec. 31, 2019 CNY (¥)
Commitments And Contingencies Disclosure [Line Items]
Operating lease, expenses	¥ 12,707	$ 1,994	¥ 16,584	¥ 16,380
Consulting Service for Lease Term within One Year
Commitments And Contingencies Disclosure [Line Items]
Future minimum payment under non-cancellable purchase commitment	¥ 0
Maximum [Member] \| Office Premise [Member]
Commitments And Contingencies Disclosure [Line Items]
Operating Lease term of contract	5 years
Minimum [Member] \| Office Premise [Member]
Commitments And Contingencies Disclosure [Line Items]
Operating Lease term of contract	1 year