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v3.21.1

NON-CONTROLLING INTERESTS (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 USD ($) | Dec. 31, 2020 CNY (¥) | Dec. 31, 2019 CNY (¥) | Dec. 31, 2018 CNY (¥) shareholder
NON-CONTROLLING INTERESTS [Line Items] |  |  |  |
Proceeds from minority shareholder capital injection |  |  | ¥ 559 | ¥ 1,470
Gain from deregistration of subsidiaries | $ 608 | ¥ 3,967 | ¥ 1,841 | ¥ 2,858
Shenyang K-12 |  |  |  |
NON-CONTROLLING INTERESTS [Line Items] |  |  |  |
Ownership (as a percent) | 100.00% | 100.00% |  | 10.00%
Adjustment to paid in capital |  |  |  | ¥ 4,504
Gain from deregistration of subsidiaries |  |  |  | ¥ 1,885
Beijing Ambow Cowain Education and Technology Co Ltd |  |  |  |
NON-CONTROLLING INTERESTS [Line Items] |  |  |  |
Ownership (as a percent) |  |  |  | 49.00%
Proceeds from minority shareholder capital injection |  |  |  | ¥ 1,470
Number of corporate shareholders | shareholder |  |  |  | 1
Number of individual shareholders | shareholder |  |  |  | 1
Zhong'an Ambow |  |  |  |
NON-CONTROLLING INTERESTS [Line Items] |  |  |  |
Ownership (as a percent) |  |  | 49.00% |
Proceeds from minority shareholder capital injection |  |  | ¥ 1,285 |
Ownership (as a percent) |  |  | 51.00% |
Shanghai Tongguo Education Technology Co., Ltd. |  |  |  |
NON-CONTROLLING INTERESTS [Line Items] |  |  |  |
Ownership (as a percent) |  |  | 40.00% |
Gain from deregistration of subsidiaries |  |  | ¥ 306 |
Beijing Zhong An Handa Technology Consulting Co., Ltd |  |  |  |
NON-CONTROLLING INTERESTS [Line Items] |  |  |  |
Ownership (as a percent) | 49.00% | 49.00% |  |
Gain from deregistration of subsidiaries |  | ¥ (19) |  |

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