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Derivative Instruments (Details)	3 Months Ended
	Mar. 31, 2023
Electricity (in MWH) [Member] | Second quarter 2023
Derivative [Line Items]
Volume	31,728
Electricity (in MWH) [Member] | Third quarter 2023
Derivative [Line Items]
Volume	45,056
Electricity (in MWH) [Member] | Fourth quarter 2023
Derivative [Line Items]
Volume	108,332
Electricity (in MWH) [Member] | First quarter 2024
Derivative [Line Items]
Volume	6,160
Electricity (in MWH) [Member] | Second quarter 2024
Derivative [Line Items]
Volume
Electricity (in MWH) [Member] | Third quarter of 2024
Derivative [Line Items]
Volume	16,592
Electricity (in MWH) [Member] | Fourth quarter of 2024
Derivative [Line Items]
Volume
Electricity (in MWH) [Member] | First quarter of 2025
Derivative [Line Items]
Volume	13,520
Electricity (in MWH) [Member] | Second quarter of 2025
Derivative [Line Items]
Volume
Electricity (in MWH) [Member] | Third quarter of 2025
Derivative [Line Items]
Volume
Electricity (in MWH) [Member] | Fourth quarter of 2025
Derivative [Line Items]
Volume
Electricity (in MWH) [Member] | First quarter of 2026
Derivative [Line Items]
Volume
Electricity (in MWH) [Member] | Second quarter of 2026
Derivative [Line Items]
Volume
Electricity (in MWH) [Member] | Third quarter of 2026
Derivative [Line Items]
Volume	3,520
Gas (in Dth) [Member] | Second quarter 2023
Derivative [Line Items]
Volume	13,072
Gas (in Dth) [Member] | Third quarter 2023
Derivative [Line Items]
Volume
Gas (in Dth) [Member] | Fourth quarter 2023
Derivative [Line Items]
Volume	610,000
Gas (in Dth) [Member] | First quarter 2024
Derivative [Line Items]
Volume	910,000
Gas (in Dth) [Member] | Second quarter 2024
Derivative [Line Items]
Volume
Gas (in Dth) [Member] | Third quarter of 2024
Derivative [Line Items]
Volume
Gas (in Dth) [Member] | Fourth quarter of 2024
Derivative [Line Items]
Volume
Gas (in Dth) [Member] | First quarter of 2025
Derivative [Line Items]
Volume	225,000
Gas (in Dth) [Member] | Second quarter of 2025
Derivative [Line Items]
Volume	227,500
Gas (in Dth) [Member] | Third quarter of 2025
Derivative [Line Items]
Volume	230,000
Gas (in Dth) [Member] | Fourth quarter of 2025
Derivative [Line Items]
Volume	230,000
Gas (in Dth) [Member] | First quarter of 2026
Derivative [Line Items]
Volume
Gas (in Dth) [Member] | Second quarter of 2026
Derivative [Line Items]
Volume
Gas (in Dth) [Member] | Third quarter of 2026
Derivative [Line Items]
Volume

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959

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