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Restricted Net Assets - Additional Information (Detail) ¥ in Thousands	12 Months Ended
	Dec. 31, 2019 CNY (¥)
Restrictions for Consolidated and Unconsolidated Subsidiaries [Abstract]
Percentage of annual appropriations net of tax income prior to payment of dividends as the statutory general reserve	10.00%
Restricted net assets	¥ 4,577,602
Percentage of restricted net assets	57.10%

X

- Definition

Percentage of annual appropriations net of tax income prior to payment of dividends as statutory general reserve.

+ References

No definition available.

+ Details

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X

- Definition

Percentage of restricted net assets for consolidated and unconsolidated subsidiaries.

+ References

No definition available.

+ Details

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X

- 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://fasb.org/us-gaap/role/ref/legacyRef
-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=26873400&loc=d3e23780-122690

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- References

No definition available.

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