v3.20.2

Convertible Senior Notes - Interest Expense related to 2025 Notes (Details) - 0.125% Convertible Senior Notes due 2025 - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2020
Debt Instrument [Line Items]
Contractual interest expense	$ 234	$ 306
Amortization of debt discount	7,589	9,929
Amortization of issuance costs	473	617
Total	$ 8,296	$ 10,852

X

- 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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