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INCOME TAXES (Summary of Aggregate Amount and per Share Effect of Tax Holidays) (Details) In Thousands, except Per Share data, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 USD ($) | Dec. 31, 2014 CNY | Dec. 31, 2013 CNY | Dec. 31, 2012 CNY | Dec. 31, 2014 Basic [Member] USD ($) | Dec. 31, 2014 Basic [Member] CNY | Dec. 31, 2013 Basic [Member] CNY | Dec. 31, 2012 Basic [Member] CNY | Dec. 31, 2014 Diluted [Member] USD ($) | Dec. 31, 2014 Diluted [Member] CNY | Dec. 31, 2013 Diluted [Member] CNY | Dec. 31, 2012 Diluted [Member] CNY
Income Tax Holiday [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
The aggregate amount | $ 2,606 us-gaap_IncomeTaxHolidayAggregateDollarAmount | 16,170 us-gaap_IncomeTaxHolidayAggregateDollarAmount | 942 us-gaap_IncomeTaxHolidayAggregateDollarAmount | 8,449 us-gaap_IncomeTaxHolidayAggregateDollarAmount |  |  |  |  |  |  |  |
The aggregate effect on basic and diluted earnings per share for Class A and Class B ordinary shares outstanding |  |  |  |  | $ 0.01 us-gaap_IncomeTaxHolidayIncomeTaxBenefitsPerShare / us-gaap_IncomeStatementLocationAxis = wbai_BasicMember | 0.05 us-gaap_IncomeTaxHolidayIncomeTaxBenefitsPerShare / us-gaap_IncomeStatementLocationAxis = wbai_BasicMember |  | 0.04 us-gaap_IncomeTaxHolidayIncomeTaxBenefitsPerShare / us-gaap_IncomeStatementLocationAxis = wbai_BasicMember | $ 0.01 us-gaap_IncomeTaxHolidayIncomeTaxBenefitsPerShare / us-gaap_IncomeStatementLocationAxis = wbai_DilutedMember | 0.05 us-gaap_IncomeTaxHolidayIncomeTaxBenefitsPerShare / us-gaap_IncomeStatementLocationAxis = wbai_DilutedMember |  | 0.04 us-gaap_IncomeTaxHolidayIncomeTaxBenefitsPerShare / us-gaap_IncomeStatementLocationAxis = wbai_DilutedMember

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- Definition The amount of income taxes from which a reporting entity is exempt or for which it will receive a reduction in income taxes as a result of the income tax holiday granted by the taxing jurisdiction. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 11.C) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330215-122817 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 11 -Section C + Details
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- Definition Per share amount effect of the income tax benefit resulting from the income tax holidays granted by taxing jurisdictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 11.C) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330215-122817 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 11 -Section C + Details
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- Details
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