FAIR VALUE OF FINANCIAL INSTRUMENTS - Narrative (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Aug. 15, 2022	Dec. 31, 2021
Jack W. Schuler Living Trust | Embeded Warrant | August 2022 Exchange Transaction
Debt Instrument [Line Items]
Warrants fair value		$ 3,800
Level 3 | Jack W. Schuler Living Trust | Embeded Warrant | August 2022 Exchange Transaction
Debt Instrument [Line Items]
Warrants fair value		3,800
Convertible Notes | 2.50% Convertible Notes due 2023
Debt Instrument [Line Items]
Outstanding principal	$ 56,595		$ 120,500
Fair value	51,900		$ 89,400
Senior Notes | Five Point Zero Percent Secured Promissory Note | Jack W. Schuler Living Trust | August 2022 Exchange Transaction
Debt Instrument [Line Items]
Outstanding principal	$ 34,934
Senior Notes | Five Point Zero Percent Secured Promissory Note | Level 3 | Jack W. Schuler Living Trust
Debt Instrument [Line Items]
Fair value		16,000
Senior Notes | Five Point Zero Percent Secured Promissory Note | Level 3 | Jack W. Schuler Living Trust | August 2022 Exchange Transaction
Debt Instrument [Line Items]
Fair value		$ 16,000