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FINANCIAL INFORMATION OF PARENT COMPANY (Narrative) (Details) - 12 months ended Dec. 31, 2016 | $ / ¥ | Total
--- | --- | ---
Foreign Currency Exchange Rate Weighted Average Translation Rate | 6.9430 | 6.943

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- Definition Weighted Average Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency. + References No definition available. + Details
Name: | bzun_ForeignCurrencyExchangeRateWeightedAverageTranslationRate
Namespace Prefix: | bzun_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration