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DEBT - Convertible Senior Notes due in 2025 Narrative (Details)
 2 Months Ended 3 Months Ended 12 Months Ended
Mar. 01, 2021
USD ($)
shares
Mar. 09, 2020
USD ($)
trading_day
$ / shares
shares
May 19, 2020
trading_day
shares
Jun. 30, 2021
USD ($)
shares
Mar. 31, 2021
USD ($)
shares
Dec. 31, 2021
USD ($)
$ / shares
shares
Dec. 31, 2020
USD ($)
$ / shares
shares
Dec. 31, 2019
USD ($)
May 19, 2021
$ / shares
shares
May 20, 2020
USD ($)
$ / shares
shares
Mar. 31, 2020
USD ($)
Debt Instrument [Line Items]                      
Principal amount outstanding           $ 1,037,646,000 $ 330,865,000        
Common stock, par value (in usd per share) | $ / shares           $ 0.00001 $ 0.00001   $ 0.00001 $ 0.00001  
Common stock, shares authorized (in shares) | shares     150,000,000     300,000,000 200,000,000   300,000,000 200,000,000  
Deferred taxes           $ 122,470,000 $ 92,904,000        
Partial repurchase of convertible notes           290,247,000 40,728,000 $ 0      
Loss on partial settlement of convertible notes           56,497,000 3,037,000 0      
Debt, current           86,052,000 325,967,000        
Payment for bonds hedge           286,235,000 89,056,000 36,313,000      
Proceeds from sale of warrants           220,800,000 71,552,000 $ 29,818,000      
Warrants obligations measured at fair value                   $ 96,400,000  
Convertible Notes                      
Debt Instrument [Line Items]                      
Convertible notes embedded derivative                   117,100,000  
Convertible Notes | Convertible Senior Notes Due 2025                      
Debt Instrument [Line Items]                      
Debt instrument face amount   $ 320,000,000                 $ 320,000,000
Interest rate   0.25%                 0.25%
Conversion ratio   0.0122637                  
Debt conversion price (in USD per share) | $ / shares   $ 81.54                  
Proceeds from convertible debt   $ 313,000,000                  
Number of consecutive trading days | trading_day     20                
Principal amount outstanding           86,052,000 255,021,000        
Convertible notes embedded derivative   68,700,000               116,300,000  
Embedded derivative, host contract   $ 251,300,000                  
Deferred taxes                   200,000  
Debt issuance costs                   $ 7,600,000  
Partial repurchase of convertible notes         $ 217,700,000            
Exercise of warrants related to convertible senior notes (in shares) | shares 1,670,000     485              
Equity component of convertible senior notes, net $ 302,700,000     $ 100,000              
Convertible note, liability component 184,500,000                    
Residual 4,300,000                    
Induced conversion of convertible debt expense $ 37,500,000                    
Remaining expected life 4 years 1 month 6 days                    
Write off of debt discount $ 38,500,000                    
Write off of deferred debt issuance cost $ 4,100,000                    
Loss on partial settlement of convertible notes           9,400,000          
Conversion of debt       $ 100,000              
Debt, current           $ 102,200,000          
Effective percentage rate           5.18%          
Unamortized discount           $ 14,600,000 $ 58,600,000        
Remaining discount amortization period           3 years 2 months 12 days          
Conversion shares (in shares) | shares   3,900,000                  
Payment for bonds hedge   $ 89,100,000                  
Warrants issued, strike price (in USD per share) | $ / shares   $ 106.94                  
Proceeds from sale of warrants   $ 71,600,000                  
Convertible notes hedge settlements, shares received (in shares) | shares         1,900,000            
Warrants unwound, shares issued (in shares) | shares         1,800,000            
Convertible notes hedge transaction, options outstanding (in shares) | shares           1,300,000          
Warrants outstanding (in shares) | shares           1,300,000          
Convertible Notes | Convertible Senior Notes Due 2025 | Discount rate                      
Debt Instrument [Line Items]                      
Measurement input 0.0435                    
Period One | Convertible Notes | Convertible Senior Notes Due 2025                      
Debt Instrument [Line Items]                      
Number of threshold trading days | trading_day   20                  
Number of consecutive trading days | trading_day   30                  
Threshold percentage   130.00%                  
Stock trigger price (in USD per share) | $ / shares           $ 106.00 $ 106.00        
Period Two | Convertible Notes | Convertible Senior Notes Due 2025                      
Debt Instrument [Line Items]                      
Number of consecutive trading days | trading_day   5                  
Threshold percentage   100.00%                  
Business day period after measurement period   5 days                  
Measurement period percentage of stock price trigger   98.00%