LONG-TERM DEBT RELATED-PARTY - Interest Expense in Connection with the Secured Note (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Contractual interest	$ 1,794	$ 3,934	$ 4,288
Amortization of the debt discount	0	10,869	10,518
Total interest expense on convertible notes	2,268	$ 15,475	$ 15,457
Jack W. Schuler Living Trust | August 2022 Exchange Transaction | Five Point Zero Percent Secured Promissory Note | Senior Notes
Debt Instrument [Line Items]
Contractual interest	663
Amortization of the debt discount	834
Total interest expense on convertible notes	$ 1,497