Convertible Senior Notes - Interest Expenses (Details) - Convertible senior notes $ in Thousands	3 Months Ended
Mar. 31, 2020 USD ($)
Debt
Contractual interest expense	$ 503
Amortization of debt discount	818
Amortization of debt issuance costs	65
Total interest expense	$ 1,386

The amount of contractual interest expense under debt instrument.

No definition available.

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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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- Definition

Amount of amortization expense attributable to debt issuance costs.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

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