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INCOME PER SHARE (Tables) | 12 Months Ended
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Dec. 31, 2019
Earnings Per Share [Abstract] |
Summary of computation of basic and diluted net income per share attribute to ordinary shareholders after stock split | The following table sets forth the computation of basic and diluted net income per share attribute to ordinary shareholders after the stock split:
|  | Year Ended December 31, |
|  | 2017 |  |  | 2018 |  |  | 2019 |
|  | RMB |  |  | RMB |  |  | RMB |
Net income attributable to ordinary shareholders – basic and diluted |  |  | 539,545 |  |  |  | 611,758 |  |  |  | 527,747 |
Weighted average number of ordinary shares outstanding – diluted and diluted |  |  | 200,000,000 |  |  |  | 200,000,000 |  |  |  | 210,409,863 |
Basic and diluted net income per share |  |  | 2.70 |  |  |  | 3.06 |  |  |  | 2.51 |

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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://fasb.org/us-gaap/role/ref/legacyRef -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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