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Long-Term Debt - Schedule of Interest (Details) - Convertible Debt - Convertible Senior Notes Due 2026 - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Debt Instrument [Line Items]
Contractual Interest Expense	$ 1,941	$ 1,941
Amortization of Debt Discount	0	3,722
Amortization of Issuance Costs	471	252
Total Interest Expense	$ 2,412	$ 5,915

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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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