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INVESTMENTS (Schedule of Investments Categorized by Investment Class) (Details) In Thousands, unless otherwise specified	Dec. 31, 2014 USD ($)	Dec. 31, 2014 CNY	Dec. 31, 2013 CNY	Dec. 31, 2014 Private companies [Member] USD ($)	Dec. 31, 2014 Private companies [Member] CNY	Dec. 31, 2013 Private companies [Member] CNY	Dec. 31, 2014 Limited partnerships [Member] USD ($)	Dec. 31, 2014 Limited partnerships [Member] CNY	Dec. 31, 2013 Limited partnerships [Member] CNY
Cost Method Investments
Long-term Investments	$ 1,072us-gaap_LongTermInvestments	6,652us-gaap_LongTermInvestments		$ 824us-gaap_LongTermInvestments / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = wbai_PrivatelyHeldEntitesMember	5,114us-gaap_LongTermInvestments / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = wbai_PrivatelyHeldEntitesMember		$ 248us-gaap_LongTermInvestments / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_LimitedPartnerMember	1,538us-gaap_LongTermInvestments / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_LimitedPartnerMember

X

- Definition

The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle).

+ 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 210.5-02.12)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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- Details

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Namespace Prefix:	wbai_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration