DEBT - Components of Convertible Debt Interest Expense (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Debt Instrument [Line Items]
Amortization of debt discount and issuance costs	[1]			$ 25,666	$ 6,388
Convertible debt
Debt Instrument [Line Items]
Coupon interest		$ 1,624	$ 1,164	4,801	3,492
Amortization of debt discount and issuance costs		785	791	2,105	2,326
Total interest expense		$ 2,409	$ 1,955	$ 6,906	$ 5,818
Effective interest rate		10.28%	9.12%	10.28%	9.12%
Convertible debt | PIK Securities
Debt Instrument [Line Items]
Coupon interest		$ 1,100	$ 0	$ 3,300	$ 0

[1] Condensed consolidated statements of cash flows include discontinued operations. September 30, 2022September 30, 2021Cash and cash equivalents from continuing operations$56,387 $12,009 Cash and cash equivalents from discontinued operations10,641 4,963 Total$67,028 $16,972