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CONVERTIBLE DEBT - Narrative (Details)
$ / shares in Units, $ in Thousands
3 Months Ended
Sep. 13, 2019
USD ($)
$ / shares
Mar. 31, 2023
USD ($)
day
Dec. 31, 2022
USD ($)
Debt Instrument [Line Items]      
Convertible debt, current   $ 114,204 $ 113,981
2024 Notes      
Debt Instrument [Line Items]      
Debt instrument principal amount   115,500 $ 115,500
2024 Notes | Senior Notes      
Debt Instrument [Line Items]      
Debt instrument stated percentage (as a percent) 2.00%    
Debt instrument principal amount $ 115,500    
Debt instrument conversion ratio 0.1155001    
Debt instrument conversion price (in dollars per share) | $ / shares $ 8.66    
Convertible debt, current   $ 114,200  
2024 Notes | Senior Notes | Stock Price Greater or Equal 130 Percent of Note Conversion Rate      
Debt Instrument [Line Items]      
Debt instrument threshold trading days | day   20  
Debt instrument threshold consecutive trading days | day   30  
Debt instrument threshold percentage of stock price trigger (as a percent)   130.00%