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Other non-current assets (Details) ¥ in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($)	Dec. 31, 2015 CNY (¥)	Dec. 31, 2015 CNY (¥)	Dec. 31, 2014 CNY (¥)
Other non-current assets [Abstract]
Prepayment to suppliers - HNA	$ 50,123		¥ 324,680
Yield enhancement products from Exchange and trust companies	46,353		300,267
Other long term assets	3,785		24,534	¥ 15,368
Balance at the end of year	100,261		649,481	¥ 15,368
Minimum amount of products and services acquired from HNA	$ 100,000	¥ 649,400
Period for products and services from HNA	2 years	2 years
Prepayment to suppliers, current	$ 50,000		¥ 324,700

X

- Definition

Represents the minimum amount of products and services acquired.

+ References

No definition available.

+ Details

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- Definition

Represents the carrying value as of the balance sheet date of prepayment to suppliers. Used to reflect the current portion of the assets.

+ References

No definition available.

+ Details

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- Definition

Represents the carrying value as of the balance sheet date of prepayment to suppliers. Used to reflect the non-current portion of the assets.

+ References

No definition available.

+ Details

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- Definition

Represents the period for products and service to be acquired.

+ References

No definition available.

+ Details

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- Definition

Represents the carrying value as of the balance sheet date of Yield enhancement products from Exchange and trust companies. Used to reflect the non-current portion of the assets.

+ References

No definition available.

+ Details

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- Definition

Amount of other miscellaneous assets expected to be realized or consumed after one year or normal operating cycle, if longer.

+ References

No definition available.

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- Definition

Aggregate carrying amount, as of the balance sheet date, of noncurrent assets not separately disclosed in the balance sheet. Noncurrent assets are expected to be realized or consumed after one year (or the normal operating cycle, if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- References

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