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Employee Benefits (Details) - CNY (¥) ¥ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Defined Benefit Plan [Abstract]
Medical and welfare defined contribution plan	¥ 21,869	¥ 8,504	¥ 6,581
Other employee benefits	2,741	2,340	1,571
Total	¥ 24,610	¥ 10,844	¥ 8,152

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- References

No definition available.

+ Details

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- Definition

Amount of defined benefit plan cost (credit), classified as other.

+ References

No definition available.

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- Definition

Amount of cost for defined contribution plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 70
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942

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- Definition

Amount of expense for employee benefit and equity-based compensation.

+ References

No definition available.

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