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DEBT - Schedule of Convertible Senior Notes due in 2026 (Details) - Convertible Notes - Notes due 2026 - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Debt Instrument [Line Items]
Amortization of debt discount	$ 0	$ 1,786
Amortization of debt issuance costs	485	135
Total interest cost recognized	$ 485	$ 1,921

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