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SHARE BASED COMPENSATION - Schedule of valuation assumption (Details) - LTIP Options
6 Months Ended
Jun. 30, 2022
$ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Risk-free interest rates 1.47%
Expected volatility rates 58.00%
Expected dividend yield 0.00%
Cost of equity (for derived service period) 9.96%
Weighted-average grant date fair value of options $ 8.13