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Leases - Additional Information (Details) ¥ in Thousands	12 Months Ended
	Dec. 31, 2019 CNY (¥)
Leases
Operating Lease, Cost	¥ 94,929
Short-term Lease, Cost	¥ 34,255
Weighted average remaining lease terms of the right-of-use assets	4 years 4 months 13 days
Weighted average incremental borrowing rate	5.36%

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- References

No definition available.

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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- Definition

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

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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.

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Amount of short-term lease cost, excluding expense for lease with term of one month or less.

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