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SIGNIFICANT ACCOUNTING POLICIES - Weighted average estimated fair value of employee stock (Details)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dividend yield 1.13% 0.88%  
Expected volatility 47.64% 49.45%  
Risk-free interest 2.83% 0.50%  
Expected life 4 years 1 month 6 days 3 years 7 months 9 days  
Minimum      
Dividend yield     1.01%
Expected volatility     37.89%
Risk-free interest     0.29%
Expected life     3 years 6 months 25 days
Maximum      
Dividend yield     1.17%
Expected volatility     43.09%
Risk-free interest     1.43%
Expected life     4 years 2 months 23 days