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Long-Term Debt - Schedule of Interest (Details) - Convertible Debt - Convertible 2.25% Senior Notes Due 2026 $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($)
Debt Instrument [Line Items]
Contractual Interest Expense	$ 5,175
Amortization of Debt Discount	9,516
Amortization of Issuance Costs	655
Total Interest Expense	$ 15,346

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- Definition

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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Amount of amortization expense attributable to 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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