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FAIR VALUE MEASUREMENTS (Schedule of Information about Inputs Into the Fair Value Measurements of the Assets and Liabilities that the Group Makes on a Recurring Basis) (Details) - Recurring basis [Member] - CNY (¥) ¥ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Assets: |  |
Short term investments, available for sale | ¥ 47,208 | ¥ 128,042
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Assets: |  |
Short term investments, available for sale | 47,208 | 128,042
Significant Other Observable Inputs (Level 2) [Member] |  |
Assets: |  |
Short term investments, available for sale |  |
Significant Unobservable Inputs (Level 3) [Member] |  |
Assets: |  |
Short term investments, available for sale |  |

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- References No definition available. + Details
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- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References No definition available. + Details
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