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CONVERTIBLE NOTES - Interest Expense Recognized Related to Convertible Note (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Debt Instrument [Line Items]    
Amortization of debt discount and debt issuance cost $ 386 $ 456
2028 Convertible Notes | Convertible Notes    
Debt Instrument [Line Items]    
Contractual interest expense 575 575
Amortization of debt discount and debt issuance cost 499 495
Total interest expense $ 1,074 $ 1,070