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DEBT - Schedule of Outstanding Exchangeable (Details)
1 Months Ended
Aug. 31, 2020
Jan. 31, 2017
USD ($)
$ / shares
Dec. 31, 2021
$ / shares
Aug. 30, 2020
$ / shares
Exchangeable Notes        
Debt Instrument [Line Items]        
Conversion rate effective (per $1000 principal amount) 0.00334 0.012025    
2020 Exchangeable Notes        
Debt Instrument [Line Items]        
Cash coupon rate (per annum)       0.00%
Effective conversion price (per ADS) (in usd per share)     $ 299.19 $ 299.19
2017 Exchangeable Notes        
Debt Instrument [Line Items]        
Principal amount | $   $ 110,187,000    
Cash coupon rate (per annum)   1.25%    
Effective conversion price (per ADS) (in usd per share)   $ 82.96