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Derivatives and Risk Management - Schedule of Energy Commodity Derivative Volumes (Details) MWh in Thousands, MMBTU in Thousands | 6 Months Ended | 12 Months Ended
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Jun. 30, 2022 MWh MMBTU | Dec. 31, 2021 MWh MMBTU
Purchase [Member] | Physical [Member] | Electric Derivative [Member] |  |
Energy Commodity Derivative Volumes [Line Items] |  |
Year one | MWh | 67 | 129
Year two | MWh | 0 | 0
Year three | MWh | 0 | 0
Year four | MWh | 0 | 0
Purchase [Member] | Physical [Member] | Gas Derivative [Member] |  |
Energy Commodity Derivative Volumes [Line Items] |  |
Year one | MMBTU | 13,676 | 7,114
Year two | MMBTU | 13,098 | 378
Year three | MMBTU | 533 | 228
Year four | MMBTU | 450 | 0
Purchase [Member] | Financial [Member] | Electric Derivative [Member] |  |
Energy Commodity Derivative Volumes [Line Items] |  |
Year one | MWh | 34 | 0
Year two | MWh | 0 | 0
Year three | MWh | 0 | 0
Year four | MWh | 0 | 0
Purchase [Member] | Financial [Member] | Gas Derivative [Member] |  |
Energy Commodity Derivative Volumes [Line Items] |  |
Year one | MMBTU | 43,633 | 61,405
Year two | MMBTU | 58,465 | 23,218
Year three | MMBTU | 21,053 | 3,413
Year four | MMBTU | 1,125 | 0
Sales [Member] | Physical [Member] | Electric Derivative [Member] |  |
Energy Commodity Derivative Volumes [Line Items] |  |
Year one | MWh | 130 | 234
Year two | MWh | 0 | 0
Year three | MWh | 0 | 0
Year four | MWh | 0 | 0
Sales [Member] | Physical [Member] | Gas Derivative [Member] |  |
Energy Commodity Derivative Volumes [Line Items] |  |
Year one | MMBTU | 3,411 | 3,933
Year two | MMBTU | 1,810 | 1,360
Year three | MMBTU | 1,370 | 1,370
Year four | MMBTU | 1,115 | 1,115
Sales [Member] | Financial [Member] | Electric Derivative [Member] |  |
Energy Commodity Derivative Volumes [Line Items] |  |
Year one | MWh | 174 | 452
Year two | MWh | 386 | 0
Year three | MWh | 0 | 0
Year four | MWh | 0 | 0
Sales [Member] | Financial [Member] | Gas Derivative [Member] |  |
Energy Commodity Derivative Volumes [Line Items] |  |
Year one | MMBTU | 18,918 | 31,485
Year two | MMBTU | 22,555 | 9,323
Year three | MMBTU | 3,128 | 228
Year four | MMBTU | 225 | 0

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