Debt - Convertible Notes - Summary (Details) - USD ($) $ in Thousands	Jun. 30, 2020	May 19, 2020
Debt Instrument [Line Items]
Par value of the Convertible Notes		$ 143,800
Convertible Notes
Debt Instrument [Line Items]
Par value of the Convertible Notes	$ 143,750
Unamortized debt discounts	(52,595)
Unamortized debt issuance costs	(3,615)
Net Carrying value of Convertible Notes	$ 87,540

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Face (par) amount of debt instrument at time of issuance.

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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.

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Amount, after accumulated amortization, of debt discount.

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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