CONVERTIBLE NOTES - Schedule of Interest Expense (Details) - Convertible Notes - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Debt Instrument [Line Items]
Contractual coupon interest	$ 838	$ 79	$ 1,730	$ 1,528
Amortization of debt discount and issuance costs	1,367	121	2,060	386
Total interest expense on convertible notes	2,205	200	3,790	1,914
2.50% Convertible Notes Due 2023
Debt Instrument [Line Items]
Contractual coupon interest	5	79	562	1,528
Amortization of debt discount and issuance costs	0	121	182	386
Total interest expense on convertible notes	5	200	744	1,914
5.00% Convertible Notes Due 2026
Debt Instrument [Line Items]
Contractual coupon interest	833	0	1,168	0
Amortization of debt discount and issuance costs	1,367	0	1,878	0
Total interest expense on convertible notes	$ 2,200	$ 0	$ 3,046	$ 0