Ratio applied to the conversion of convertible securities into common shares.

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Percentage of equity interests acquired by investors.

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The interest compounding rate.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Fair value of the entity's equity.

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The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders.

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No definition available.

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The cash inflow from issuance of preferred stocks identified as being convertible into another form of financial instrument, typically the entity's common stock.

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Per share or per unit amount of equity securities issued.

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No definition available.

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Number of shares issued during the period as a result of the conversion of convertible securities.

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Number of new stock issued during the period.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Per share amount of par value or stated value of stock classified as temporary equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable.

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Convertible Redeemable Preferred Shares (Narrative) (Details) ¥ / shares in Units, ¥ in Thousands	1 Months Ended				6 Months Ended	8 Months Ended	12 Months Ended					34 Months Ended
	Oct. 31, 2014 CNY (¥) ¥ / shares shares	Aug. 31, 2014 CNY (¥) shares	Sep. 30, 2012 CNY (¥)	Jan. 31, 2011 CNY (¥)	Jun. 30, 2011 CNY (¥)	Aug. 19, 2010 CNY (¥)	Dec. 31, 2016 CNY (¥) shares	Dec. 31, 2016 USD ($) shares	Dec. 31, 2015 CNY (¥) shares	Dec. 31, 2014 CNY (¥) shares	Dec. 31, 2013 shares	Sep. 30, 2012 CNY (¥)	Oct. 31, 2014 $ / shares
Convertible Redeemable Preferred Shares [Line Items]
Deemed dividend										¥ 16,666
Ordinary shares repurchased \| shares										1,925,063
Consideration paid to repurchase ordinary shares							50,842		13,958	¥ 20,963
Proceeds from issuance of Series D convertible redeemable preferred shares, net										145,746
Stock Issued During Period, Shares, New Issues \| shares							9,000,000	9,000,000	37,950,000
Founding Shareholders [Member]
Convertible Redeemable Preferred Shares [Line Items]
Ordinary shares repurchased \| shares		1,925,063
Consideration paid to repurchase ordinary shares		¥ 20,964
Series A equity interests [Member]
Convertible Redeemable Preferred Shares [Line Items]
Interest compounding rate (as a percent)									12.50%
Conversion ratio									1
Series B equity interests [Member]
Convertible Redeemable Preferred Shares [Line Items]
Interest compounding rate (as a percent)									12.50%
Conversion ratio									1
Series C1 equity interests [Member]
Convertible Redeemable Preferred Shares [Line Items]
Interest compounding rate (as a percent)							15.00%	15.00%
Conversion ratio							1	1
Fair value of shares determined by the Company with the assistance of independent valuation firm			¥ 270,923									¥ 270,923
Deemed dividend			¥ 4,683
Series A Shares [Member]
Convertible Redeemable Preferred Shares [Line Items]
Shares issued upon conversion of equity interests \| shares											19,622,241
Series B Shares [Member]
Convertible Redeemable Preferred Shares [Line Items]
Shares issued upon conversion of equity interests \| shares											26,532,203
Series C1 Shares [Member]
Convertible Redeemable Preferred Shares [Line Items]
Shares issued upon conversion of equity interests \| shares											29,056,332
Series C2 Shares [Member]
Convertible Redeemable Preferred Shares [Line Items]
Fair value of shares determined by the Company with the assistance of independent valuation firm		37,630
Deemed dividend		16,666								¥ 16,666
Proceeds from issuance of Series D convertible redeemable preferred shares, net		¥ 20,964
Stock Issued During Period, Shares, New Issues \| shares		1,925,063
Series D Preferred Stock [Member]
Convertible Redeemable Preferred Shares [Line Items]
Proceeds from issuance of Series D convertible redeemable preferred shares, net	¥ 145,746
Par value of preferred share (in dollars per share) \| $ / shares													$ 0.0001
Issue price per share \| (per share)	¥ 19.69												$ 3.20
Stock Issued During Period, Shares, New Issues \| shares	7,504,324
Alibaba [Member] \| Shanghai Baozun [Member]
Convertible Redeemable Preferred Shares [Line Items]
Percentage of equity interest acquired by investors												25.16%
Alibaba [Member] \| Shanghai Baozun [Member] \| Series A equity interests [Member]
Convertible Redeemable Preferred Shares [Line Items]
Percentage of equity interest acquired by investors						39.56%
Total consideration						¥ 32,732
Alibaba [Member] \| Shanghai Baozun [Member] \| Series B equity interests [Member]
Convertible Redeemable Preferred Shares [Line Items]
Percentage of equity interest acquired by investors				7.29%
Total consideration				¥ 12,859
Crescent Castle and New Access [Member] \| Shanghai Baozun [Member] \| Series B equity interests [Member]
Convertible Redeemable Preferred Shares [Line Items]
Percentage of equity interest acquired by investors					27.55%
Total consideration					¥ 119,120
Group of investors including existing preferred share investors [Member] \| Shanghai Baozun [Member] \| Series C1 equity interests [Member]
Convertible Redeemable Preferred Shares [Line Items]
Percentage of equity interest acquired by investors			27.62%
Total consideration			¥ 266,240