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Employee Benefit Plans (Details) - CNY (¥) ¥ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Contributions by employer | ¥ 60,134 | ¥ 35,947 | ¥ 20,339

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- Definition Amount of contribution by the employer to employee benefit plans. The entity's PRC subsidiaries are required by law to contribute a certain percentages of applicable salaries for retirement benefits, medical insurance benefits, housing funds, unemployment and other statutory benefits. The PRC government is directly responsible for the payments of such benefits. + References No definition available. + Details
Name: | bzun_EmployeeBenefitPlansContributionsByEmployer
Namespace Prefix: | bzun_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration