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ORGANIZATION AND PRINCIPAL ACTIVITIES (Details) - $ / shares
1 Months Ended
Oct. 05, 2020
Jun. 30, 2018
Dec. 31, 2020
Mar. 06, 2020
May 08, 2019
Aug. 31, 2017
Equity interest divesture (in percent)     100.00%      
Issue price (per share) $ 3.98          
Ambow NSAD Inc            
Ownership interest of parent         100.00%  
American Depository Shares            
Shares issued (in shares) 1,507,538          
American Depository Shares | Registered Direct Offering            
Shares issued (in shares) 1,507,538          
Issue price (per share) $ 3.98          
Class A Shares per ADS (in shares) 2          
American Depository Shares | Public Offering            
Shares issued (in shares)   2,070,000        
Issue price (per share)   $ 4.25        
Ambow Online            
Equity interest divesture (in percent)           100.00%
NewSchool            
Ownership interest acquired (as a percent)       100.00%    
NewSchool | Ambow NSAD Inc            
Ownership interest acquired (as a percent)       100.00%