FINANCING ARRANGEMENTS - Schedule of Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Debt Instrument
Outstanding principal amount	$ 216,190	$ 217,417
Net carrying amount at end of period	216,190
Senior Convertible Note
Debt Instrument
Principal amounts at beginning of period	15,230	95,178
Conversion of principal into common stock	0	(79,948)
Outstanding principal amount	15,230	15,230
Unamortized discount and issuance costs	(6,865)	(7,157)
Net carrying amount at end of period	$ 8,365	$ 8,073