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Commitments and Contingencies - Additional Information (Detail) ¥ in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($)	Apr. 25, 2023 CNY (¥)
Subsequent Event [Member]
Loss Contingencies [Line Items]
Loss contingency accrual | ¥		¥ 3,375
Pending litigation [Member] | Company and chairman and chief executive officer of the company [Member]
Loss Contingencies [Line Items]
Damages sought value	$ 10,000
Pending litigation [Member] | Company and chairman and chief executive officer of the company [Member] | Compensatory damages [Member]
Loss Contingencies [Line Items]
Damages sought value	3,500
Pending litigation [Member] | Company chairman chief executive officer and variable interest entity [Member] | Compensatory damages [Member]
Loss Contingencies [Line Items]
Damages sought value	3,500
Pending litigation [Member] | Chief executive officer [Member]
Loss Contingencies [Line Items]
Damages sought value	5,000
Pending litigation [Member] | Chief executive officer [Member] | Compensatory damages [Member]
Loss Contingencies [Line Items]
Damages sought value	$ 3,500

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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

No definition available.

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- Definition

Amount of loss contingency liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349

Reference 2: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 10
-URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14615-108349

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- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349

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