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CONVERTIBLE PROMISSORY NOTES - Interest Expense Recognized Related to Convertible Note (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Amortization of debt discount and debt issuance cost	$ 1,901	$ 9,648	$ 10,044
2028 Convertible Notes | Convertible Notes
Debt Instrument [Line Items]
Contractual interest expense	2,300	249
Amortization of debt discount and debt issuance cost	1,986	1,812
Total interest expense	$ 4,286	$ 2,061

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Amount of amortization expense attributable to debt discount (premium) and 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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