Debt - Summary of Convertible Notes (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Bank indebtedness [Line Items]
Unamortized discounts and debt issuance costs	$ (1,777)	$ (1,967)
Total	222,486
Convertible Notes [Member]
Bank indebtedness [Line Items]
Convertible Notes	230,000
Unamortized discounts and debt issuance costs	(7,514)
Total	$ 222,486

Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company.

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- Definition

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.

+ References

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-Publisher FASB
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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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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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