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Debt and Credit Facilities - Debt summary (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022	Apr. 19, 2022
Debt
Long-term debt, gross	$ 103,115	$ 101,437
Unamortized debt discounts and issuance costs	(8,053)	(8,386)
Long-term debt, net	95,062	93,051
OFA
Debt
Maximum borrowing capacity			$ 260,000
Credit Facility
Debt
Maximum borrowing capacity			135,000
Credit Agreement and Guaranty
Debt
Accrued interest	1,205	807
Long-term debt, gross	70,000	70,000
Revenue Interest Financing Agreement
Debt
Revenue Interest Financing Agreement	30,000	30,000
Accrued interest	3,139	2,041
Payments	(29)	(10)
Long-term debt, gross	33,110	32,031
Current portion of debt liability	(1,200)	(1,401)
Long-term debt liability	$ 31,910	$ 30,630
Maximum borrowing capacity			$ 120,000

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Amount before unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation.

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