CONVERTIBLE NOTES AND CREDIT FACILITY - Interest Expense (Details) - Convertible Debt - Senior Convertible Note - 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]
Interest expense related to contractual coupon interest	$ 809	$ 809	$ 2,426	$ 2,426
Interest expense related to amortization of the debt discount	109	104	323	310
Interest expense, debt	$ 918	$ 913	$ 2,749	$ 2,736

Amount of the cost of borrowed funds accounted for as interest expense for debt.

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Name:	us-gaap_InterestExpenseDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration