Leases - Summary of Operating Lease Additional Information (Detail) ¥ in Thousands	12 Months Ended
Dec. 31, 2019 CNY (¥)
Disclosure Of Operating Lease Additional Information [Abstract]
Operating cash flows from operating leases	¥ 106,288
Operating leases	¥ 127,362
Weighted average remaining lease term, Operating leases	1 year 7 months 2 days
Weighted average discount rate, Operating leases	4.52%

Disclosure Of Operating Lease Additional Information [abstract]

No definition available.

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- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Weighted average discount rate for operating lease calculated at point in time.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
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- Definition

Weighted average remaining lease term for 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/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
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- Definition

Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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