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LONG-TERM DEBT - Convertible Debt, Additional Information (Details)
3 Months Ended
May 17, 2018
USD ($)
Jul. 31, 2017
USD ($)
shares
Jul. 25, 2017
$ / shares
Mar. 31, 2022
USD ($)
shares
day
$ / shares
Mar. 31, 2019
USD ($)
Jan. 13, 2022
USD ($)
Dec. 31, 2020
USD ($)
Debt Instrument [Line Items]              
Debt instrument, convertible, threshold percentage of conversion price trigger for redemption       130.00%      
Debt instrument, convertible, threshold trading days for redemption | day       20      
Threshold consecutive trading days for redemption       30 days      
Percentage of maximum number of shares that would require cash settlement       60.00%      
Percentage of the maximum number of shares authorized for issuance       40.00%      
Tax impact of convertible debt embedded derivative liability reclassification to equity $ 7,800,000            
Loss on embedded derivative         $ 24,800,000    
Convertible debt              
Debt Instrument [Line Items]              
Principal amount, long-term debt issued   $ 230,000,000   $ 95,200,000      
Interest rate on convertible debt   5.00%   5.00%      
Repurchased face amount             $ 136,900,000
Initial conversion rate, convertible debt       0.0460829      
Initial conversion price, convertible debt (in dollars per share) | $ / shares       $ 21.70      
Conversion premium     40.00%        
Share price (in dollars per share) | $ / shares     $ 15.50        
Threshold trading days | day       20      
Threshold consecutive trading days | day       30      
Threshold percentage of stock price trigger       130.00%      
Number of business days after the specified trading price criteria met that notes may be converted | day       5      
Consecutive trading days, trading price criteria       5 days      
Convertible debt, threshold percentage, product of common stock price and conversion price       98.00%      
Number of shares into which debt is convertible (in shares) | shares   10,599,067   4,291,705      
Shares outstanding, percentage threshold   19.99%   19.99%      
Redemption price, percentage (equal to)       100.00%      
Repurchase of convertible debt   $ 222,300,000          
Convertible debt | PIK Securities              
Debt Instrument [Line Items]              
Principal amount, long-term debt issued           $ 51,969,000  
Interest rate on convertible debt           5.00%  
Convertible debt | Minimum | PIK Securities              
Debt Instrument [Line Items]              
Interest rate on convertible debt           5.00%  
Denomination of issuance           $ 1.00  
Convertible debt | Maximum | PIK Securities              
Debt Instrument [Line Items]              
Interest rate on convertible debt           8.00%  
Denomination of issuance           $ 1,000  
Credit Facility | Not Designated as Hedging Instrument              
Debt Instrument [Line Items]              
Embedded derivative liability $ 45,400,000