FAIR VALUE OF FINANCIAL INSTRUMENTS - Narrative (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Jun. 09, 2023	Apr. 21, 2023	Mar. 31, 2023	Mar. 15, 2023	Mar. 13, 2023	Dec. 31, 2022	Aug. 15, 2022	Jun. 30, 2022	Mar. 31, 2022	Mar. 21, 2022	Dec. 31, 2021	Mar. 27, 2018
Equity Option
Debt Instrument [Line Items]
Derivative liability	$ 42,786	$ 38,200		$ 0			$ 0		$ 0	$ 0		$ 0
Level 3 | Equity Option
Debt Instrument [Line Items]
Derivative liability	42,800
Convertible Notes
Debt Instrument [Line Items]
Carrying amount	33,015						56,413
Outstanding principal	$ 67,619						$ 56,595
Convertible Notes | 2.50% Convertible Notes Due 2023
Debt Instrument [Line Items]
Interest rate	2.50%	2.50%	2.50%		2.50%	2.50%	2.50%	2.50%	2.50%		2.50%		2.50%
Carrying amount	$ 726	$ 66,900					$ 56,413
Outstanding principal	$ 726						56,595
Convertible Notes | 2.50% Convertible Notes Due 2023 | Level 2
Debt Instrument [Line Items]
Fair value							51,900
Convertible Notes | 5.00% Convertible Notes Due 2026
Debt Instrument [Line Items]
Interest rate	5.00%	5.00%
Carrying amount	$ 32,289						0
Outstanding principal	66,893						0
Convertible Notes | 5.00% Convertible Notes Due 2026 | Level 3
Debt Instrument [Line Items]
Fair value	35,200	$ 34,800
Senior Notes | 2.50% Convertible Notes Due 2023 | Affiliated Entity
Debt Instrument [Line Items]
Carrying amount	700
Senior Notes | 5.0% Secured Promissory Note | Affiliated Entity | Schuler Trust
Debt Instrument [Line Items]
Alternative Investment	$ 900
Senior Notes | 5.0% Secured Promissory Note | Level 3 | Affiliated Entity | Schuler Trust
Debt Instrument [Line Items]
Outstanding principal							34,900
Fair value							$ 16,000	$ 16,000