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NON-CONTROLLING INTERESTS (Narrative) (Details) ¥ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 CNY (¥) | Dec. 31, 2017 JPY (¥) | Dec. 31, 2016 CNY (¥)
NON-CONTROLLING INTERESTS [Line Items] |  |  |
Noncontrolling Interest, Decrease from Deconsolidation | ¥ 1,885 | ¥ 758 |
Non Controlling Interests, Purchase Of Interests, Consideration Transferred | ¥ 4,504 |  |
Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions | 100.00% |  |
Huanyu Liren and Suzhou Jiaxue [Member] |  |  |
NON-CONTROLLING INTERESTS [Line Items] |  |  |
Non Controlling Interests, Purchase Of Interests, Consideration Transferred |  | ¥ 798 |
Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions |  | 100.00% |
Ambow Jingxue [Member] |  |  |
NON-CONTROLLING INTERESTS [Line Items] |  |  |
Non-controlling interest (as a percent) |  |  | 40.00%
Suzhou Ambow Jiaxue Education and Investment Co., Ltd [Member] |  |  |
NON-CONTROLLING INTERESTS [Line Items] |  |  |
Non-controlling interest acquired |  |  | ¥ 400
Shanghai Huanyu Liren Ducation Training Co., Ltd [Member] |  |  |
NON-CONTROLLING INTERESTS [Line Items] |  |  |
Non-controlling interest (as a percent) |  |  | 40.00%
Non-controlling interest acquired |  |  | ¥ 396
Beijing Ambow Cowain Education and Technology Co Ltd [Member] |  |  |
NON-CONTROLLING INTERESTS [Line Items] |  |  |
Non-controlling interest (as a percent) | 49.00% |  |
Non-controlling interest acquired | ¥ 1,470 |  |
Shenyang Hanwen Classic Books Publishing Co., Ltd [Member] |  |  |
NON-CONTROLLING INTERESTS [Line Items] |  |  |
Non-controlling interest (as a percent) | 10.00% |  |
Huanyu Liren and Suzhou Jiaxue [Member] |  |  |
NON-CONTROLLING INTERESTS [Line Items] |  |  |
Non-controlling interest (as a percent) |  | 40.00% |

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