Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Amount, after accumulated amortization, of debt premium.

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Weighted average interest rate of debt outstanding.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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

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Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. 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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Debt - Schedule of Long-Term Debt (Details) - USD ($)		3 Months Ended
Debt - Schedule of Long-Term Debt (Details) - USD ($)	Apr. 17, 2024	Mar. 31, 2024	Dec. 31, 2023
Debt Instrument
Total long-term debt		$ 430,024,000	$ 421,173,000
Less: current portion		0	0
Total long-term debt, net of current portion		430,024,000	421,173,000
Credit Facility
Debt Instrument
Total long-term debt		46,961,000	39,208,000
Maximum borrowing capacity		$ 175,000,000
Weighted average interest rate (percent)		8.68%
Unamortized debt issuance costs		$ 3,039,000	3,292,000
Credit Facility \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt Instrument
Applicable margins (percent)		3.25%
Credit Facility \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate \| Subsequent Event
Debt Instrument
Applicable margins (percent)	3.25%
Credit Facility \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate \| Minimum
Debt Instrument
Applicable margins (percent)		2.75%
Credit Facility \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate \| Maximum
Debt Instrument
Applicable margins (percent)		3.75%
Credit Facility \| Prime Rate \| Minimum
Debt Instrument
Applicable margins (percent)		1.75%
Credit Facility \| Prime Rate \| Maximum
Debt Instrument
Applicable margins (percent)		2.75%
Senior Notes \| Senior Notes 11.5% Due February 2028
Debt Instrument
Total long-term debt		$ 383,063,000	381,965,000
Unamortized debt issuance costs		7,737,000	8,235,000
Face amount		$ 400,000,000
Stated interest rate (percent)		11.50%
Unamortized premium		$ 9,200,000	$ 9,800,000