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SHARE-BASED COMPENSATION - General (Details)
12 Months Ended
Dec. 31, 2022
instrument
shares
Dec. 31, 2021
shares
Dec. 31, 2020
shares
SHARE-BASED COMPENSATION      
Number of share options approved for grant 8,026,159    
Number of shares exercised | instrument 1,531,105    
Unallocated pool 1,208,170 295,897 101,722