Derivatives and Risk Management - Schedule of Energy Commodity Derivative Volumes (Details) MWh in Thousands, MMBTU in Thousands	12 Months Ended
	Dec. 31, 2022 MWh MMBTU	Dec. 31, 2021 MMBTU MWh
Purchase [Member] | Physical [Member] | Electric Derivative [Member]
Energy Commodity Derivative Volumes [Line Items]
Year one | MWh	5	129
Year two | MWh	0	0
Year three | MWh	0	0
Year four | MWh		0
Purchase [Member] | Physical [Member] | Gas Derivative [Member]
Energy Commodity Derivative Volumes [Line Items]
Year one | MMBTU	19,140	7,114
Year two | MMBTU	533	378
Year three | MMBTU	450	228
Year four | MMBTU		0
Purchase [Member] | Financial [Member] | Electric Derivative [Member]
Energy Commodity Derivative Volumes [Line Items]
Year one | MWh	0
Year two | MWh	0	0
Year three | MWh	0	0
Year four | MWh		0
Purchase [Member] | Financial [Member] | Gas Derivative [Member]
Energy Commodity Derivative Volumes [Line Items]
Year one | MMBTU	79,253	61,405
Year two | MMBTU	30,658	23,218
Year three | MMBTU	4,895	3,413
Year four | MMBTU		0
Sales [Member] | Physical [Member] | Electric Derivative [Member]
Energy Commodity Derivative Volumes [Line Items]
Year one | MWh	136	234
Year two | MWh	0	0
Year three | MWh	0	0
Year four | MWh		0
Sales [Member] | Physical [Member] | Gas Derivative [Member]
Energy Commodity Derivative Volumes [Line Items]
Year one | MMBTU	4,145	3,933
Year two | MMBTU	1,370	1,360
Year three | MMBTU	1,115	1,370
Year four | MMBTU		1,115
Sales [Member] | Financial [Member] | Electric Derivative [Member]
Energy Commodity Derivative Volumes [Line Items]
Year one | MWh	1,011	452
Year two | MWh	0	0
Year three | MWh	0	0
Year four | MWh		0
Sales [Member] | Financial [Member] | Gas Derivative [Member]
Energy Commodity Derivative Volumes [Line Items]
Year one | MMBTU	29,473	31,485
Year two | MMBTU	9,668	9,323
Year three | MMBTU	1,125	228
Year four | MMBTU		0