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NET (LOSS)/INCOME PER SHARE AND NET (LOSS)/INCOME ATTRIBUTABLE TO COMMON STOCKHOLDERS (Tables) | 12 Months Ended
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Dec. 31, 2016
NET (LOSS)/INCOME PER SHARE AND NET (LOSS)/INCOME ATTRIBUTABLE TO COMMON STOCKHOLDERS |
Schedule of the computation of the basic and diluted net (loss)/income per share |
|  | Year ended December 31, 2014 |  | Year ended December 31, 2015 |  | Year ended December 31, 2016 |
|  | RMB |  | RMB |  | RMB |
Numerator: |  |  |  |  |  |  |
Net (loss)/income |  | (27,708 | ) | 275,339 |  | 1,116,398 |
Denominator: |  |  |  |  |  |  |
Weighted average number of ordinary shares outstanding, basic |  | 100,000,000 |  | 100,652,055 |  | 118,240,414 |
Plus incremental weighted average ordinary shares from assumed vesting of restricted share units using the treasury stock method |  | — |  | — |  | 696,668 |
Weighted average number of ordinary shares outstanding, diluted |  | 100,000,000 |  | 100,652,055 |  | 118,937,082 |
Basic (loss)/income per share |  | (0.2771 | ) | 2.7356 |  | 9.4418 |
Diluted (loss)/income per share (i) |  | (0.2771 | ) | 2.7356 |  | 9.3865 |
| (i) | No RSUs were excluded from the computation of diluted earnings per common share for 2014, 2015 and 2016 because their effect were dilutive.

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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