Commitments and Contingencies - Summary of Commitments (Details) $ in Thousands	Sep. 30, 2023 USD ($)
Other Commitments [Line Items]
2023 (remaining)	$ 6,054
2024	29,581
2025	9,050
2026	2,408
2027	2,761
2028 and thereafter	37,968
Purchase Obligation, Total	87,822
Fuel Supply Payments
Other Commitments [Line Items]
2023 (remaining)	550
2024	3,904
2025	1,702
2026	1,718
2027	2,060
2028 and thereafter	28,263
Purchase Obligation, Total	38,197
Zero6 Commitment
Other Commitments [Line Items]
2023 (remaining)	4,386
2024	24,453
2025	6,670
2026	0
2027	0
2028 and thereafter	0
Purchase Obligation, Total	35,509
PRAJ Commitment
Other Commitments [Line Items]
2023 (remaining)	953
2024	558
2025	0
2026	0
2027	0
2028 and thereafter	0
Purchase Obligation, Total	1,511
Renewable Energy Credits
Other Commitments [Line Items]
2023 (remaining)	36
2024	144
2025	144
2026	145
2027	144
2028 and thereafter	1,779
Purchase Obligation, Total	2,392
Electricity Above Use (Est.)
Other Commitments [Line Items]
2023 (remaining)	129
2024	522
2025	534
2026	545
2027	557
2028 and thereafter	7,926
Purchase Obligation, Total	$ 10,213

Purchase Obligation, to be Paid, after Year Four

No definition available.

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- Definition

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.

+ References

No definition available.

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- Definition

Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.

+ References

No definition available.

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- Definition

Amount of purchase arrangement to be paid in fourth fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

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- Definition

Amount of purchase arrangement to be paid in next fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

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- Definition

Amount of purchase arrangement to be paid in second fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

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- Definition

Amount of purchase arrangement to be paid in third fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

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- Definition

Amount of purchase arrangement to be paid in remainder of current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment.

+ References

No definition available.

+ Details

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