INDEBTEDNESS - Interest Expense on Convertible Notes (Details) - Convertible Debt - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Debt Instrument [Line Items]
Contractual interest expense	$ 16,437	$ 16,700	$ 32,932	$ 33,166
Amortization of debt issuance costs	2,651	2,738	5,360	5,442
Total	$ 19,088	$ 19,438	$ 38,292	$ 38,608