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Restricted Net Assets - Additional Information (Detail) ¥ in Millions	12 Months Ended
	Dec. 31, 2021 CNY (¥)
Restricted Net Assets Disclosure [Line Items]
Restricted net assets	¥ 918.3
Percentage of total restricted net assets to total consolidated net assets	8.60%
Annual Appropriations Of Net After Tax Profits To Be Set Aside As General Reserve Fund Or Statutory Surplus Fund	10.00%
Foreign Invested Enterprise [Member] | General Reserve Fund [Member] | CHINA
Restricted Net Assets Disclosure [Line Items]
Appropriation of after-tax profits to non distributable reserve funds, percentage	10.00%
Required general reserve registered capital ratio to deforce compulsory net profit allocation to general reserve	50.00%
Domestic Enterprise [Member] | Statutory Surplus Reserve [Member] | CHINA
Restricted Net Assets Disclosure [Line Items]
Appropriation Of After Tax Profit To Statutory Surplus Fund Required Percentage Minimum	10.00%
Required statutory surplus registered capital ratio to deforce compulsory net profit allocation to statutory surplus	50.00%

X

- Definition

Annual appropriations of net after tax profits to be set aside as general reserve fund or statutory surplus fund.

+ References

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- Definition

Appropriation of after tax profit to general reserve fund required percentage minimum.

+ References

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- Definition

Appropriation of after tax profit to statutory surplus fund required percentage minimum.

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- Definition

Percentage of total restricted net assets to total consolidated net assets.

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- Definition

For entities incorporated in PRC, the ratio of the statutory reserve to the registered capital which triggers the elimination of the requirement to contribute to the statutory reserve.

+ References

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- Definition

For entities incorporated in PRC, the ratio of the statutory reserve to the registered capital which triggers the elimination of the requirement to contribute to the statutory reserve.

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- Definition

Restricted assets disclosure.

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- Definition

Amount of restricted net assets of consolidated and unconsolidated subsidiaries as of the end of the most recently completed fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(e)(3)(ii))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

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