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Subsequent Events (Details) - Employees share options [Member] $ / shares in Units, ¥ in Thousands, $ in Thousands	Mar. 04, 2016 USD ($) $ / shares	Mar. 04, 2016 CNY (¥)	May. 15, 2014 USD ($) $ / shares	May. 15, 2014 CNY (¥)
Subsequent events
Exercise price (In dollars per share)			$ 5.00
Total incremental cost			$ 276	¥ 1,698
Subsequent events [Member] | 2014 Plan [Member]
Subsequent events
Exercise price (In dollars per share)	$ 3.09
Total incremental cost	$ 3,400	¥ 22,100
Subsequent events [Member] | 2014 Plan [Member] | Minimum [Member]
Subsequent events
Amortization period for unvested options incremental cost	33 months	33 months
Subsequent events [Member] | 2014 Plan [Member] | Maximum [Member]
Subsequent events
Amortization period for unvested options incremental cost	45 months	45 months

X

- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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X

- Definition

An excess of the fair value of the modified award over the fair value of the award immediately before the modification.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)(iii)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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X

- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

+ References

No definition available.

+ Details

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X

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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- Details

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