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DEBT - Schedule of Interest Cost Recognized In Statements Of Operations (Details) - Convertible Notes - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Notes due 2028
Debt Instrument [Line Items]
Amortization of debt issuance costs	$ 316	$ 316
Total interest cost recognized	316	316
Notes due 2026
Debt Instrument [Line Items]
Amortization of debt issuance costs	485	485
Total interest cost recognized	485	485
Notes due 2025
Debt Instrument [Line Items]
Contractual interest expense	64	64
Amortization of debt discount	1,105	1,049
Amortization of debt issuance costs	118	118
Total interest cost recognized	1,287	1,231
Notes due 2023
Debt Instrument [Line Items]
Contractual interest expense	50	50
Amortization of debt issuance costs	10	10
Total interest cost recognized	$ 60	$ 60

X

- Definition

Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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Amount of amortization expense attributable to debt issuance costs.

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

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