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Debt - Components (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Revolving Credit Facility
Debt Instrument [Line Items]
Principal amount	$ 4,467	$ 7,851
Net carrying amount	3,651	6,919
Unamortized Debt Issuance Expense	(816)	(932)
2025 Notes | Convertible Debt
Debt Instrument [Line Items]
Principal amount	161,898	161,898
Embedded Derivative, Fair Value of Embedded Derivative Liability	0	0
Unamortized debt discount	(1,725)	(1,933)
Unamortized issuance costs	(1,374)	(1,538)
Net carrying amount	$ 158,799	$ 158,427
Debt Instrument, Interest Rate During Period	4.23%

X

- 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.

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- Definition

The average effective interest rate during the reporting period.

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Amount, after accumulated amortization, of debt discount.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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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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