FINANCING ARRANGEMENTS - Components of Convertible Notes (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Principal balance at the end of period	$ 217,417	$ 265,839
Convertible Senior Note
Debt Instrument [Line Items]
Principal balance at beginning of period	95,178	155,000
Conversion of principal into common stock	(79,948)	(59,822)
Principal balance at the end of period	15,230	95,178
Unamortized discount and issuance costs	(7,157)	(51,005)
Net carrying amount at the end of period	$ 8,073	$ 44,173