Derivatives and Risk Management - Schedule of Energy Commodity Derivative Volumes (Details) MWh in Thousands, MMBTU in Thousands	6 Months Ended	12 Months Ended
	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